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Contents
- The climate of Culebra
- The best time to visit Culebra
- The worst time to visit Culebra
- Spring weather in Culebra
- Summer weather in Culebra
- Autumn weather in Culebra
- Winter weather in Culebra
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Culebra
Culebra is located in Puerto Rico, USA and is characterized by the Köppen climate classification as a Tropical Monsoon region (Am). This classification implies that the climate is predominantly hot and humid year-round. Across the twelve-month stretch, Culebra's climate exhibits minor fluctuations in its weather parameters.
The highest temperature recorded throughout the year is 84°F (28.9°C) in September while the lowest is around 75.7°F (24.3°C) in March. These temperatures manifest a significant consistency in the rate of warmth, indicative of the tropical monsoon imprint. Relative humidity hovers around the 75% to 78% range, presenting a generally humid environment. Rainfall levels show more variance with the maximum recorded rainfall being 4.45" (113mm) in September and the least at 1.22" (31mm) in February. During the year, the island experiences rainfall on an average of 18 to 25 days per month.
One distinct weather pattern to note is that the months from August to November receive the highest amount of rainfall, exceeding 4" (102mm). This indicates the presence of a more pronounced monsoonal impact during these months. Similarly, the highest sea temperatures are also experienced during the same period. The wind speeds also increase during the mid-year months to about 15mph (24.1km/h).
The highest temperature recorded throughout the year is 84°F (28.9°C) in September while the lowest is around 75.7°F (24.3°C) in March. These temperatures manifest a significant consistency in the rate of warmth, indicative of the tropical monsoon imprint. Relative humidity hovers around the 75% to 78% range, presenting a generally humid environment. Rainfall levels show more variance with the maximum recorded rainfall being 4.45" (113mm) in September and the least at 1.22" (31mm) in February. During the year, the island experiences rainfall on an average of 18 to 25 days per month.
One distinct weather pattern to note is that the months from August to November receive the highest amount of rainfall, exceeding 4" (102mm). This indicates the presence of a more pronounced monsoonal impact during these months. Similarly, the highest sea temperatures are also experienced during the same period. The wind speeds also increase during the mid-year months to about 15mph (24.1km/h).
The best time to visit Culebra
The optimal time to visit Culebra would be when the weather conditions are relatively dry and temperate. While conditions remain tropical and warm throughout the year, a notable period of lesser rainfall occurs from February to April. The rainfall during these months fluctuates between 1.22" (31mm) to 1.5" (38mm). Moreover, sea temperatures remain warm, approximately 78.7°F (25.9°C) to 80.5°F (26.9°C), conducive for water-related activities. Sunshine hours are also relatively high during this period, making outdoor exploration and leisure more pleasurable.
The worst time to visit Culebra
The period from August to November cannot be recommended as the best time to visit Culebra. The weather during these months is characterized by the highest rainfall measurements, in the range of 4.21" (107mm) to 4.45" (113mm), paired with increased wind speeds. These factors might compromise outdoor activities and overall enjoyment of the island's offerings. Therefore, potential visitors are advised to consider other months for their trip to Culebra.
Spring weather in Culebra
During the spring months in Culebra, from March to May, temperatures remain warm with lows around 75.7°F (24.3°C) in March to a high of 81.1°F (27.3°C) in May. The rainfall during this period shows a gradual increase from 1.85" (47mm) in March to 3.03" (77mm) in May. However, the number of rainfall days doesn't see a similar increase, indicating sporadic and possibly heavier showers. The spring also brings in more hours of daylight, in the range of 12.1 hours to 13 hours, and sunshine lasting 8.5 hours to 10.3 hours.
Summer weather in Culebra
Culebra's summer from June to August presents the highest temperatures of the year. The warmth escalates from 82.6°F (28.1°C) in June to 84°F (28.9°C) in August. Humidity remains almost constant at 78% while the island receives increased rainfall, particularly in August at 4.21" (107mm). Wind speeds are noticeably higher and the number of sunshine hours begins to decrease. Despite some showers, this period is characterized by pleasantly warm sea temperatures from 83°F (28.3°C) to 84.5°F (29.2°C).
Autumn weather in Culebra
Autumn, covering September to November, is marked by a highest round-the-year temperature of 84°F (28.9°C) in September, after which it gradually starts to descend. Rainfall is at its peak during this season with September and October both witnessing rainfall over 4" (102mm). The sea temperatures remain relatively high, approximately in the mid 80s°F, but the hours of sunshine decrease significantly, making this season less vibrant.
Winter weather in Culebra
Winter in Culebra (December through February) is still relatively warm, owing to the island's tropical monsoon climate. Temperatures remain in the range of 79.2°F (26.2°C) to 80.6°F (27°C). Rainfall decreases drastically compared to Autumn months, with February reporting the lowest rainfall of 1.22" (31mm). Winter also brings fewer sunlight hours, but the weather remains pleasant and favorable for a winter getaway. Sea temperatures continue to be on the warmer side from 79.6°F (26.4°C) to 81.5°F (27.5°C) throughout the winter months. The winter winds are much calmer, enhancing the comfort of the season.
Weather in January
The weather in Culebra, Puerto Rico, USA, commences the year with noticeable stability. January experiences somewhat high humidity, making the days feel hotter. The sea temperature lingers close to the average land temperature, offering a pleasant beach experience. Weather in January »
Weather in February
February is akin to January but with slight improvements. The lower land temperature, compared to sea temperature, makes outdoor activities more engaging. Days tend to be longer with more daylight hours, creating better visibility for various indoor adventures. Weather in February »
Weather in March
Transitioning from February, March sees a decline in land temperatures whereas the sea temperatures register a mild increase. Diverse aquatic life can be experienced with warmer sea temperature making water sports more enjoyable. Weather in March »
Weather in April
Culebra weather in April witnesses a rise in both land and sea temperatures. Such increases make for warm evenings and prime conditions for late-night beach walks. As temperatures rise, so does the humidity, resulting in the occasional heavier rainfall of 1.5" (38mm) during this month. Weather in April »
Weather in May
May introduces significant changes to Culebra weather. The temperatures register an upward trend, paramount in announcing the onset of summer. A spike in humidity and rainfall to 3.03" (77mm) during May hints at the refreshingly wet season. Weather in May »
Weather in June
The Culebra weather in June is characterized by a further rise in temperatures and higher humidity levels. However, the windy conditions ease, allowing for quiet afternoons and evenings. Rainfall quantifies to 2.05" (52mm), distributed evenly over an average of 18.2 days. Weather in June »
Weather in July
Culebra's weather in July continues to intensify. With the hottest temperature of 82.9°F (28.3°C) and rainfall totalling 2.91" (74mm) spread over 21.7 days, it is a warm and wet month. Despite increasing cloud cover, there's plenty of sunshine to keep things exciting. Weather in July »
Weather in August
In August, Culebra weather is humid and warm, reaching its peak temperature of 83.7°F (28.7°C). The sea temperature also escalates to 84.5°F (29.2°C), encouraging aquatic activities among tourists. The increasing rainfall of 4.21" (107mm) over this month nourishes the thriving vegetation on the island. Weather in August »
Weather in September
Entering September, Culebra sees a slow decline in land temperatures. Meanwhile, rainfall increases to a significant 4.45" (113mm), making this month the wettest of the year. Despite lesser daylight, outdoor activities are still popular among the inhabitants and visitors. Weather in September »
Weather in October
In October, Culebra, Puerto Rico, USA, experiences further reductions in temperatures. The decline in daylight hours indicates the approaching winter season. The extended rainy period, with 4.37" (111mm) of rainfall over 23.6 days, breathes life into the island's flora. Weather in October »
Weather in November
The sudden drop in sea temperature, from 84.6°F (29.2°C) to 83.6°F (28.7°C), in November anticipates the arrival of the cold season in Culebra. The combination of high humidity and cooling temperatures makes for comfortable evenings. Weather in November »
Weather in December
December welcomes cooler days in Culebra, as both land and sea experience consistent drops in temperatures. Despite the overall decrease, the temperature remains higher than the yearly average, maintaining the island's tropical feel during the holiday season. Weather in December »
[Resources]Frequently asked questions
What is the least humid month in Culebra?
January through March, October through December, with an average relative humidity of 75%, are the least humid months.
How much does it rain in Culebra?
In Culebra, Puerto Rico, during the entire year, the rain falls for 253.1 days and collects up to 33.27" (845mm) of precipitation.
What are the months with the highest UV index in Culebra?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
When is the lowest UV index in Culebra?
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Culebra.
What is the driest month in Culebra?
The month with the least rainfall in Culebra, Puerto Rico, is February, when the rain falls for 18.2 days and typically collects 1.22" (31mm) of precipitation.
When is the ocean coldest in Culebra?
With an average ocean temperature of 78.6°F (25.9°C), February is the month with the coldest seawater.
What month is the coldest in Culebra?
In Culebra, March is the month with the lowest recorded average temperatures, measuring a high of 78.4°F (25.8°C) and a low of 75.7°F (24.3°C).
What is the most humid month in Culebra?
May through August, with an average relative humidity of 78%, are most humid months in Culebra.
When are the longest days in Culebra?
With an average of 13h and 12min of daylight, June has the longest days of the year in Culebra.
What month has the most sunshine in Culebra?
June has the most sunshine of the year in Culebra, Puerto Rico, with an average of 10.5h of sunshine.
What month is the hottest in Culebra?
In Culebra, Puerto Rico, the average highest temperatures are observed in September, with a high of 84°F (28.9°C) and a low of 81.3°F (27.4°C).
What is the wettest month in Culebra?
September is the month with the most rainfall in Culebra, Puerto Rico. Rain falls for 22.2 days and accumulates 4.45" (113mm) of precipitation.
What month is the ocean warmest in Culebra?
September is the month with the warmest seawater in Culebra, with an average ocean temperature of 84.9°F (29.4°C).
What is the month with the least sunshine in Culebra?
The months with the least sunshine in Culebra, Puerto Rico, are November and December, with an average of 6.5h of sunshine.
What is the month with the shortest days in Culebra?
The month with the shortest days is December, with an average of 11h and 6min of daylight.
Is there Daylight Saving Time (DST) in Culebra?
Culebra does not utilize Daylight Saving Time (DST). AST timezone is used throughout the entire year.
Average temperature
Culebra, PR
The warmest month (with the highest average high temperature) is September (84°F).
The month with the lowest average high temperature is March (78.4°F).
The month with the highest average low temperature is October (81.5°F).
The coldest month (with the lowest average low temperature) is March (75.7°F).
Average pressure
Culebra, PR
- Average pressure in January:
30.02"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
30.01"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.91"Hg - Average pressure in November:
29.91"Hg - Average pressure in December:
29.98"Hg
The months with the highest atmospheric pressure are January and February (30.02"Hg).
The months with the lowest atmospheric pressure are October and November (29.91"Hg).
Average wind speed
Culebra, PR
- Average wind speed in January:
14.5mph - Average wind speed in February:
14.5mph - Average wind speed in March:
13.5mph - Average wind speed in April:
13.2mph - Average wind speed in May:
13.1mph - Average wind speed in June:
13.6mph
- Average wind speed in July:
15mph - Average wind speed in August:
14.4mph - Average wind speed in September:
11.7mph - Average wind speed in October:
11.1mph - Average wind speed in November:
12mph - Average wind speed in December:
14.7mph
The windiest month (with the highest average wind speed) is July (15mph).
The calmest month (with the lowest average wind speed) is October (11.1mph).
Average humidity
Culebra, PR
The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are January, February, March, October, November and December (75%).
Average rainfall
Culebra, PR
- Average rainfall in January:
1.54" - Average rainfall in February:
1.22" - Average rainfall in March:
1.85" - Average rainfall in April:
1.5" - Average rainfall in May:
3.03" - Average rainfall in June:
2.05"
- Average rainfall in July:
2.91" - Average rainfall in August:
4.21" - Average rainfall in September:
4.45" - Average rainfall in October:
4.37" - Average rainfall in November:
4.09" - Average rainfall in December:
2.05"
The wettest month (with the highest rainfall) is September (4.45").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days
Culebra, PR
- Average rainfall days in January:
21.2 days - Average rainfall days in February:
18.2 days - Average rainfall days in March:
18.2 days - Average rainfall days in April:
18.3 days - Average rainfall days in May:
20.9 days - Average rainfall days in June:
18.2 days
- Average rainfall days in July:
21.7 days - Average rainfall days in August:
22.5 days - Average rainfall days in September:
22.2 days - Average rainfall days in October:
23.6 days - Average rainfall days in November:
25.5 days - Average rainfall days in December:
22.6 days
The month with the highest number of rainy days is November (25.5 days).
The months with the least rainy days are February, March and June (18.2 days).
Average sea temperature
Culebra, PR
The best month for swimming (with the highest average sea temperature) is September (84.9°F).
The coldest month (with the lowest average sea temperature) is February (78.7°F).
Average daylight / Average sunshine
Culebra, PR
- Average daylight in January:
11h and 1min - Average daylight in February:
11h and 4min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 4min - Average daylight in May:
13h and 0min - Average daylight in June:
13h and 1min
- Average daylight in July:
13h and 1min - Average daylight in August:
12h and 4min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 4min - Average daylight in November:
11h and 2min - Average daylight in December:
11h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in January:
8h and 1min - Average sunshine in February:
8h and 5min - Average sunshine in March:
8h and 3min - Average sunshine in April:
9h and 2min - Average sunshine in May:
10h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
8h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 3min - Average sunshine in December:
6h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).
Average sunshine days
Culebra, PR
- Average sunshine days in January:
4.9 days - Average sunshine days in February:
6.2 days - Average sunshine days in March:
7.3 days - Average sunshine days in April:
7.3 days - Average sunshine days in May:
5.4 days - Average sunshine days in June:
5.8 days
- Average sunshine days in July:
4.6 days - Average sunshine days in August:
4 days - Average sunshine days in September:
5.2 days - Average sunshine days in October:
4.5 days - Average sunshine days in November:
2.4 days - Average sunshine days in December:
3.6 days
The months with the most sunshine days are March and April (7.3 days).
The month with the least sunshine days is November (2.4 days).
Average UV index
Culebra, PR
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Culebra, PR
The months with the most cloud cover are May and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 33).
Average visibility
Culebra, PR
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Culebra, Puerto Rico, USA
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