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Contents
- The climate of Vieques
- The best time to visit Vieques
- The worst time to visit Vieques
- Spring weather in Vieques
- Summer weather in Vieques
- Autumn weather in Vieques
- Winter weather in Vieques
- 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 Vieques
The atmospheric conditions in Vieques, Puerto Rico, USA fall under the Tropical monsoon climatological categorization, according to the Köppen climate classification. This special geographical positioning of the region gives rise to its distinctive weather profile. Throughout the year, the weather portrays a gentle flux in temperature and humidity. Temperature high ranges from 79°F (26.1°C) in the cooler months, peaking at about 84.2°F (29°C) in warmer months. On the other side, the minimum temperatures revolve around the mid-70s°F, consistently maintaining the tropical character of the region.
Vieques experiences overlapping patterns of rainfall, wind, and sunshine. On average, the island gets rainfall measurements from 1.06" (27mm) in drier months to a high of 2.83" (72mm) in wetter periods, nevertheless bearing the aspect of a monsoon climate. Interestingly, the amount of sunshine varies markedly throughout the year, with maximum sunshine hours of 10.6h in sunnier months and dropping to 6.4h in the cloudier periods. The wind speed in Vieques fluctuates gently from 8.6mph (13.8km/h) to 12mph (19.3km/h), adding to the dynamic and lively weather of the region.
Vieques experiences overlapping patterns of rainfall, wind, and sunshine. On average, the island gets rainfall measurements from 1.06" (27mm) in drier months to a high of 2.83" (72mm) in wetter periods, nevertheless bearing the aspect of a monsoon climate. Interestingly, the amount of sunshine varies markedly throughout the year, with maximum sunshine hours of 10.6h in sunnier months and dropping to 6.4h in the cloudier periods. The wind speed in Vieques fluctuates gently from 8.6mph (13.8km/h) to 12mph (19.3km/h), adding to the dynamic and lively weather of the region.
The best time to visit Vieques
Considering a variety of climatological parameters, the most favorable time to visit Vieques is between March and May. The month of May particularly features high temperatures of around 81.5°F (27.5°C) and a relatively low rainfall figure of 1.69" (43mm). Additionally, May offers an inviting sea temperature of approximately 81.6°F (27.6°C) and a pleasant average sunshine duration of 10.3 hours. These conditions make it an ideal time for outdoor activities and exploring the island's radiating beauty.
The worst time to visit Vieques
Although one can visit Vieques any time of the year, the months from August to October are less favorable considering the climatological data. August manifests a peak of rainfall up to 2.83" (72mm), coupled with high relative humidity of 79%, which can reduce comfort levels. Despite the sea temperature being the highest in this month at around 84.4°F (29.1°C), the heavy rainfall and high humidity often waters down most of the outdoor activities that the visitors might opt for.
Spring weather in Vieques
The springtime in Vieques spanning from March to May presents a pleasant weather with mild temperature ranging from 79°F (26.1°C) to 82.9°F (28.3°C). Rainfall during this period varies from 1.14" (29mm) to 1.69" (43mm), creating an enchanting mix of sunny and rainy days. Wind speed maintains a steady flow at an average of 10.6mph (17.1km/h), just enough to ruffle the spring bloom. The daylight duration increases steadily in the spring, reaching up to 13.2 hours in May, offering extended daylight.
Summer weather in Vieques
The summer months from June to August bring modest changes. Peak temperatures range from 83.5°F (28.6°C) to 84.4°F (29.1°C), and nights remain warm with temperature lows of around 80.1°F (26.7°C) to 80.2°F (26.8°C). Rainfall moves towards its annual peak, reaching up to 2.83" (72mm) in August. However, the sunshine hours in summer average at around 10 hours per day, reducing slightly due to the increased cloud cover.
Autumn weather in Vieques
Autumn, from September to November, uncovers a slight drop in the top temperatures from 84°F (28.9°C) in September to 82.2°F (27.9°C) in November. The sea temperature remains warm till the end of autumn, making it a good time for water activities. However, the rainfall stands high during this time, with November witnessing rainfall up to 2.4" (61mm). As an added advantage, the wind speed is slightly lower during this period, averaging around 9.2mph (14.8km/h), making the weather relatively calm compared to other seasons.
Winter weather in Vieques
Winter, from December to February, does not present typical cold conditions in Vieques. The highest temperature floats around 79.3°F (26.3°C) - 80.2°F (26.8°C) during the winter months, while the lowest temperature settles around the mid-70s°F. The rainfall averages at around 1.14" (29mm) to 1.18" (30mm), showcasing a significant drop from the previous autumn months. The daylight lasts about 11.6 hours in February, while the sunshine duration goes from 6.4 hours in December to 8.9 hours in February. This period can offer a warm winter getaway for those looking to escape the cold winter in other regions.
Weather in January
January, the same as December, is another warm winter month in Vieques, Puerto Rico, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 76.3°F (24.6°C). January's presence marks an average high-temperature of a still moderately hot 79.3°F (26.3°C), subtly varied from December's 80.2°F (26.8°C). Weather in January »
Weather in February
The last month of the winter, February, is also a moderately hot month in Vieques, Puerto Rico, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 75.7°F (24.3°C). Vieques's climate in February displays an average high temperature of a still warm 79.3°F (26.3°C), consistent with the January's record. Weather in February »
Weather in March
March, the first month of the spring in Vieques, is also a moderately hot month, with an average temperature varying between 75.7°F (24.3°C) and 79°F (26.1°C). During the coldest month, March, temperatures average a high of 79°F (26.1°C) and a low of 75.7°F (24.3°C). Weather in March »
Weather in April
April is the transitional month in Vieques, as the weather eases itself from mild springtime conditions into the dominant heat of the tropics. Daylight in April reaches its peak at 12.6 hours per day, setting Vieques into a vibrant and energetic state. Weather in April »
Weather in May
May is characterized by a more pronounced shift into the rainy season in Vieques. There is a marked rise in both rainfall and humidity making the weather take on steamy tropical characteristics. Nevertheless, daylight is at its longest with 13 hours. Weather in May »
Weather in June
In June, Vieques gets more immersed into the rainy summer with high humidity and long sunny days. The apparent increase in rainfall from 1.65" (42mm) does not interfere significantly with outdoor activities, thanks to the tropical nature of the island. Weather in June »
Weather in July
July ventures deeper into the summer, with Vieques experiencing its highest sea temperature of the year at 83.6°F (28.7°C). The hot weather creates a perfect environment for water activities, cooling down in sea breezes, and lounging on sun-drenched beaches. Weather in July »
Weather in August
August invites more precipitation to the island of Vieques, reaching an annual peak at 2.83" (72mm). Nonetheless, the weather remains sultry and tropical characterized by high temperatures and humidity. The daylight hours start to reduce gradually, signalling the slow progression towards autumn. Weather in August »
Weather in September
As September sets in, Vieques begins to see a gradual decline in both temperature and rainfall. The climate remains quite cosy with its slightly cooler mornings and enchanting sunsets. Despite the decrease in rainfall and wind intensity, this month marks the high cloudiness season with 33% cloud cover, adding an extra layer of beauty to the island sky. Weather in September »
Weather in October
October brings a further reduction in length of day with a slight fall in sea and air temperature in Vieques. Though rainfall is higher compared to September at 2.44" (62mm), the amount dispersed throughout the month does not disrupt daily activities. Weather in October »
Weather in November
In November, the weather of Vieques starts to shift from warm tropical to comparatively cooler conditions. The temperature drops noticeably at night creating a balance with the warm daytime weather. Despite higher cloud percentage and decrease in sunshine hours, this month still offers good visibility. Weather in November »
Weather in December
December ushers in the cooler winter weather in Vieques with the most notable drop in sea temperature at 81.7°F (27.6°C). Winds simultaneously pick up their speed to reach annual highs at 11.6mph (18.7km/h). Despite being the onset of winter, temperatures stay comfortably warm, making December a delightful time for beach getaways or island exploration. Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Vieques?
Throughout the year, in Vieques, there are 216 rainfall days, and 21.5" (546mm) of precipitation is accumulated.
What are the months with the highest UV index in Vieques?
January, March through December, with an average maximum UV index of 7, are months with the highest UV index.
What is the least humid month in Vieques?
The months with the lowest humidity in Vieques, Puerto Rico, are February and March, with an average relative humidity of 76%.
What is the driest month in Vieques?
February is the month with the least rainfall in Vieques, Puerto Rico. Rain falls for 13.8 days and accumulates 1.06" (27mm) of precipitation.
What is the month with the coldest ocean in Vieques?
February is the month with the coldest seawater in Vieques, with an average ocean temperature of 78.6°F (25.9°C).
What is the month with the lowest UV index in Vieques?
The month with the lowest UV index in Vieques is February, with an average maximum UV index of 6.
What is the coldest month in Vieques?
Temperature records mark March as the coldest month, with highs averaging 79°F (26.1°C) and lows at 75.7°F (24.3°C).
What are the most humid months in Vieques?
The months with the highest humidity in Vieques are May through August, with an average relative humidity of 79%.
When are the longest days in Vieques?
The month with the longest days in Vieques is June, with an average of 13h and 12min of daylight.
What month has the most sunshine in Vieques?
June has the most sunshine of the year in Vieques, with an average of 10.6h of sunshine.
What month is the hottest in Vieques?
Vieques's warmest month, August, generally records average temperatures ranging from a high of 84.2°F (29°C) to a low of 80.2°F (26.8°C).
What is the rainiest month in Vieques?
The month with the most rainfall in Vieques is August, when the rain falls for 21.3 days and typically aggregates up to 2.83" (72mm) of precipitation.
What is the month with the warmest ocean in Vieques?
The month with the warmest seawater is September, with an average ocean temperature of 84.9°F (29.4°C).
What is the month with the shortest days in Vieques?
December has the shortest days of the year, with an average of 11h and 6min of daylight.
Is there Daylight Saving Time (DST) in Vieques?
Vieques does not observe Daylight Saving Time (DST). AST timezone is used throughout the entire year.
What is the month with the least sunshine in Vieques?
With an average of 6.4h of sunshine, December has the least sunshine of the year in Vieques, Puerto Rico.
Average temperature
Vieques, PR
The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is March (79°F).
The months with the highest average low temperature are September and October (80.8°F).
The coldest months (with the lowest average low temperature) are February and March (75.7°F).
Average pressure
Vieques, 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:
29.98"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:
29.92"Hg - Average pressure in October:
29.9"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 month with the lowest atmospheric pressure is October (29.9"Hg).
Average wind speed
Vieques, PR
- Average wind speed in January:
11.5mph - Average wind speed in February:
11.7mph - Average wind speed in March:
10.9mph - Average wind speed in April:
10.6mph - Average wind speed in May:
10.4mph - Average wind speed in June:
11mph
- Average wind speed in July:
12mph - Average wind speed in August:
11.4mph - Average wind speed in September:
9.3mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.2mph - Average wind speed in December:
11.6mph
The windiest month (with the highest average wind speed) is July (12mph).
The calmest month (with the lowest average wind speed) is October (8.6mph).
Average humidity
Vieques, PR
The months with the highest relative humidity are May, June, July and August (79%).
The months with the lowest relative humidity are February and March (76%).
Average rainfall
Vieques, PR
- Average rainfall in January:
1.14" - Average rainfall in February:
1.06" - Average rainfall in March:
1.14" - Average rainfall in April:
1.18" - Average rainfall in May:
1.69" - Average rainfall in June:
1.65"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days
Vieques, PR
- Average rainfall days in January:
15.5 days - Average rainfall days in February:
13.8 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
19.8 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
19.8 days - Average rainfall days in August:
21.3 days - Average rainfall days in September:
19.6 days - Average rainfall days in October:
20 days - Average rainfall days in November:
21.2 days - Average rainfall days in December:
18.1 days
The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is February (13.8 days).
Average sea temperature
Vieques, PR
The best month for swimming (with the highest average sea temperature) is September (85°F).
The coldest month (with the lowest average sea temperature) is February (78.7°F).
Average daylight / Average sunshine
Vieques, 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 2min - Average sunshine in February:
8h and 5min - Average sunshine in March:
8h and 3min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 2min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
8h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
7h and 4min - Average sunshine in November:
6h and 3min - Average sunshine in December:
6h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days
Vieques, PR
- Average sunshine days in January:
7.6 days - Average sunshine days in February:
8.7 days - Average sunshine days in March:
10 days - Average sunshine days in April:
9.5 days - Average sunshine days in May:
6.9 days - Average sunshine days in June:
7 days
- Average sunshine days in July:
5.3 days - Average sunshine days in August:
5 days - Average sunshine days in September:
6.7 days - Average sunshine days in October:
7.5 days - Average sunshine days in November:
4.9 days - Average sunshine days in December:
8.5 days
The month with the most sunshine days is March (10 days).
The month with the least sunshine days is November (4.9 days).
Average UV index
Vieques, PR
The months with the highest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is February (UV index 6).
Average cloud cover
Vieques, PR
The months with the most cloud cover are May and July (Cloud cover 40).
The months with the least cloud cover are February, September and October (Cloud cover 33).
Average visibility
Vieques, 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).
Vieques, Puerto Rico, USA
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