Climate and monthly weather forecast
Cabo Rojo, PR

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The climate of Cabo Rojo

Cabo Rojo, located in Puerto Rico, USA, predominantly basks in Tropical monsoon climate identified by the Köppen climate classification as Am. This Caribbean location is best known for its uniformly warm temperatures and high humidity all year round. The weather parameters follow a steady trend, providing Cabo Rojo with fairly predictable tropical weather.

Temperature highs fluctuate gently between 81.3°F (27.4°C) and 85.8°F (29.9°C) at different phases of the year, with the warmest months being July and August. Contrarily, the coldest months are January and February, but with lows only dropping to 73.4°F (23°C) to 73.8°F (23.2°C), the climate remains delightfully balmy. An examination of the humidity values reveals high figures ranging from 74% to 76% with an upward trend as the year progresses.

Rainfall varies considerably too. The island sees the smallest amount of rainfall in January and February with values of 0.67" (17mm) and 0.87" (22mm) respectively. The amount of rainfall escalates steadily throughout the year, reaching an annual maximum of 3.58" (91mm) in September. It is worth noting that the number of rainfall days peaks in May at 24.3, showing a similar upward trend as rainfall volume. The number of daylight and sunshine hours oscillate between 11.1 hours and 13.2 hours, with the longest days occurring in June and July.

Throughout the year, Cabo Rojo is also distinct for its steady visibility of 6 miles, and uniform UV index of 7, making it a sun-lovers paradise. It also experiences moderate wind speeds, ranging from 7mph (11.3km/h) to 8.7mph (14km/h).

The best time to visit Cabo Rojo

The best time to visit Cabo Rojo depends largely on what one seeks from the trip. If sunshine and long days are the top preference, June and July would be ideal as they offer the most daylight hours (13.2 and 13.1, respectively) and the highest temperature peak at 85.5°F (29.7°C) and 85.6°F (29.8°C) respectively. Additionally, these months experience high levels of sunlight with 11.2 hours a day, allowing visitors plenty of time to explore and enjoy the Caribbean wonders.

The worst time to visit Cabo Rojo

The least desirable time to visit Cabo Rojo would be the late summer and early autumn months. These are the rainiest months with August reaching peak rainfall levels of 3.39" (86mm), and September closely following with 3.58" (91mm). Furthermore, these months also have the highest number of rainy days, 23.8 in August and 21.7 in September, leading to weather conditions not conducive to outdoor activities and beach leisure.

Spring weather in Cabo Rojo

Springtime in Cabo Rojo, from March to May, is characterized by gradually rising temperatures, from 81.5°F (27.5°C) to 83.8°F (28.8°C). Humidity remains fairly high with averages around the 75% to 76% mark. Rainfall sees a notable increase from 1.5" (38mm) in March to 2.56" (65mm) in May, coupled with an increase in rainfall days from 17.6 to 24.3. However, longer daylight hours, increasing from 12.1 hours in March to 13 hours in May, compliment the favorable tropical climate, perfect for sightseeing.

Summer weather in Cabo Rojo

Cabo Rojo's summer, which lasts from June to August, is the warmest season with temperatures peaking at 85.6°F (29.8°C) to 85.8°F (29.9°C). Humidity hovers around the 77% mark, which is noticeably high due to monsoon influences. The rainfall measures from 1.81" (46mm) to 3.39" (86mm) with 18.3 to 23.8 rainfall days but gets offset by long daylight hours close to 13.1 and 13.2 hours in these months. Despite the concentrated rainfall, the tropical summer atmosphere remains unbroken.

Autumn weather in Cabo Rojo

Autumn descends on Cabo Rojo from September to November. Temperatures during this season remain warm, shifting between 85.8°F (29.9°C) and 83.8°F (28.8°C). However, it's a season marked by high precipitation, peak rainfall measuring 3.58" (91mm) in September, tapering to 2.64" (67mm) by November. The number of daylight and sunshine hours decrease from 12.2 hours in September to 11.3 hours in November.

Winter weather in Cabo Rojo

Winter in Cabo Rojo, spanning December to February, offers a soothing respite from the otherwise tropical heat. High temperatures decrease to a still-pleasant range from 82.8°F (28.2°C) to 81.3°F (27.4°C), while lows reach a comfortable 73.8°F (23.2°C) to 75°F (23.9°C). Rainfall recedes significantly to values between 1.26" (32mm) to 0.67" (17mm), and the rainfall days reduce down to 15.6 in December, making it a relatively dry period. Daylight hours are at their shortest during this period with a range from 11.1 hours in December to 11.6 hours by February. The winter season's mild temperatures and reduced rainfall make it an agreeable time for visitors.

Weather in January

Cabo Rojo welcomes the new year with mildly warm weather. The city experiences rain, but it is moderate, with rainfall reaching 0.67" (17mm). Rarely does the weather disrupt the day-to-day life of individuals residing in the city or those looking forward to enjoying New Year vacation. Weather in January »

Weather in February

The weather in Cabo Rojo in February mirrors that in January. While slight changes in temperature, humidity and rainfall exist, these aren't significant enough to cause any noticeable differences. The city continues to facilitate a variety of activity options that the diverse weather offers from outdoor dining to visiting tourist highlights. February notes an average high-temperature of a still warm 81.5°F (27.5°C), subtly differing from January's 81.3°F (27.4°C). Weather in February »

Weather in March

As the year progresses, the city of Cabo Rojo starts to receive slightly more rain than the previous months, with rainfall climbing up to 1.5" (38mm). Despite this increase, the location remains a favorite amongst tourists, owing to the infrequency of these rains and the ability of the city to maintain its charm and functionality. Weather in March »

Weather in April

Cabo Rojo continues to maintain its pattern in April. The city continues to exhibit weather akin to the previous month, fostering the stability in the weather conditions of the city. The mild, consistent climate makes way for people to plan their activities without concern for major weather disruptions. April brings an average high-temperature of a still moderately hot 82.9°F (28.3°C) in Cabo Rojo, showing a slight difference from March's 81.5°F (27.5°C). Weather in April »

Weather in May

In May, Cabo Rojo experiences a considerable surge in rainfall, with precipitation measures reaching up to 2.56" (65mm). The intermittent rain showers add a unique touch to the city’s weather. Still, the weather encourages visitors and residents to enjoy the city's various amenities, thanks to the intermittent nature of showers. The transition into May in Cabo Rojo, Puerto Rico, marks the average high-temperature at a still warm 83.8°F (28.8°C), differing minimally from April's 82.9°F (28.3°C). Weather in May »

Weather in June

Cabo Rojo greets the onset of summer with aplomb. Slight fluctuations in the weather are present when compared with the preceding month. However, the uniqueness of the weather in the city, the higher temperatures and increased daylight hours, adds to the charm that the city offers. The arrival of June in Cabo Rojo, Puerto Rico, records an average high-temperature of a still warm 85.5°F (29.7°C), closely related to the 83.8°F (28.8°C) observed in May. Weather in June »

Weather in July

In July, Cabo Rojo witnesses its peak summer alongside peak rainfall, with rainfall figures hitting 2.56" (65mm). The presence of rain does not dampen the summer spirit of the city, instead providing a unique blend of weather conditions that captivate visitors. Weather in July »

Weather in August

The rainfall in Cabo Rojo sees an upward trend in August, with rainfall marking a significant rise from 2.56" (65mm) to 3.39" (86mm). Despite the increase in rainfall, Cabo Rojo weather does not pose significant hindrances to the regular life of the city. Weather in August »

Weather in September

September weather in Cabo Rojo is a transition from the rains of August, with rainfall rates slightly reducing to 3.58" (91mm). However, the city continues to provide ample opportunities to make the most of the diverse weather. Weather in September »

Weather in October

In October, Cabo Rojo starts to witness a decline in rainfall, decreasing from 3.58" (91mm) to 3.03" (77mm). The mild weather and lesser rains make the city an ideal destination for all, offering comfort and ease within the city. Weather in October »

Weather in November

As Cabo Rojo moves towards the end of the year, rainfall registers further decline, sliding down to 2.64" (67mm). The city continues its trend of favoring pleasant weather, offering a comforting ambiance. Moderate weather conditions keep visitors and locals on their toes to enjoy all that the city has to offer. November commences in Cabo Rojo, Puerto Rico, with an average high-temperature of a still warm 83.8°F (28.8°C), showing little deviation from October's 85.1°F (29.5°C). Weather in November »

Weather in December

Cabo Rojo ends the year with notably less rainfall, diminution from 2.64" (67mm) in November to 1.26" (32mm) in December. The reduced rainfall and milder weather marks the welcoming of the holiday season, making Cabo Rojo an enchanting holiday destination. Weather in December »
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Frequently asked questions

What are the coldest months in Cabo Rojo?

Cabo Rojo experiences its lowest temperatures in January, with an average peak of 81.3°F (27.4°C) and a low of 73.8°F (23.2°C).

What is the driest month in Cabo Rojo?

The month with the least rainfall in Cabo Rojo, Puerto Rico, is January, when the rain falls for 13.5 days and typically collects 0.67" (17mm) of precipitation.

How many days does it rain in Cabo Rojo?

In Cabo Rojo, during the entire year, the rain falls for 235 days and collects up to 25.55" (649mm) of precipitation.

When is the lowest UV index in Cabo Rojo?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 6.

What is the least humid month in Cabo Rojo?

With an average relative humidity of 74%, March is the least humid month in Cabo Rojo.

When is the highest UV index in Cabo Rojo?

March through November, with an average maximum UV index of 7, are months with the highest UV index.

When are the longest days in Cabo Rojo?

The month with the longest days is June, with an average of 13h and 12min of daylight.

What month has the most sunshine in Cabo Rojo?

June has the most sunshine of the year in Cabo Rojo, with an average of 11.2h of sunshine.

What part of the year is the hottest in Cabo Rojo?

August, on average, is the warmest month, registering a high temperature of 85.8°F (29.9°C) and a low of 78.8°F (26°C).

What is the wettest month in Cabo Rojo?

The month with the most rainfall in Cabo Rojo is September, when the rain falls for 21.7 days and typically aggregates up to 3.58" (91mm) of precipitation.

What is the most humid month in Cabo Rojo?

With an average relative humidity of 78%, November is the most humid month.

What is the month with the least sunshine in Cabo Rojo?

With an average of 7.1h of sunshine, November has the least sunshine of the year in Cabo Rojo, Puerto Rico.

What is the month with the shortest days in Cabo Rojo?

The month with the shortest days in Cabo Rojo is December, with an average of 11h and 6min of daylight.

Is there Daylight Saving Time (DST) in Cabo Rojo?

Cabo Rojo does not utilize Daylight Saving Time (DST). AST timezone is used throughout the entire year.

Average temperature
Cabo Rojo, PR

Average temperature - Cabo Rojo, PR

The warmest month (with the highest average high temperature) is August (85.8°F).
The month with the lowest average high temperature is January (81.3°F).

The months with the highest average low temperature are July and August (78.8°F).
The coldest month (with the lowest average low temperature) is February (73.4°F).

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Average pressure
Cabo Rojo, PR

Average pressure - Cabo Rojo, PR

The months with the highest atmospheric pressure are January and February (30.01"Hg).
The month with the lowest atmospheric pressure is October (29.89"Hg).

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Average wind speed
Cabo Rojo, PR

Average wind speed - Cabo Rojo, PR

The windiest month (with the highest average wind speed) is July (8.7mph).
The calmest months (with the lowest average wind speed) are October and November (7mph).

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Average rainfall
Cabo Rojo, PR

Average rainfall - Cabo Rojo, PR

The wettest month (with the highest rainfall) is September (3.58").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days
Cabo Rojo, PR

Average rainfall days - Cabo Rojo, PR

The month with the highest number of rainy days is May (24.3 days).
The month with the least rainy days is January (13.5 days).

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Average daylight / Average sunshine
Cabo Rojo, PR

Average daylight / Average sunshine - Cabo Rojo, PR

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).

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 7h and 6min).

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Average sunshine days
Cabo Rojo, PR

Average sunshine days - Cabo Rojo, PR

The month with the most sunshine days is January (13.5 days).
The month with the least sunshine days is May (4.7 days).

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Average UV index
Cabo Rojo, PR

Average UV index - Cabo Rojo, PR

The months with the highest UV index are March, April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February and December (UV index 6).

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Average visibility
Cabo Rojo, PR

Average visibility - Cabo Rojo, 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).

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Cabo Rojo, Puerto Rico, USA

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