Climate and monthly weather forecastFajardo, PR
Climate and monthly weather forecast
The climate of Fajardo
Fajardo, Puerto Rico, USA, is located within a climate classification designated as Am, signifying a tropical monsoon climate under the Köppen climate classification system. This warm tropical monsoon climate provides high temperatures and significant rainfall throughout the greater part of the year, combined with high humidity levels.The average high temperatures throughout the year range from 79°F (26.1°C) in February and March, rising gradually to a peak of 84.2°F (29°C) in August. Likewise, the average minimum temperatures start at a mark of 75.7°F (24.3°C) in February and March, and escalate to 80.8°F (27.1°C) in both September and October. These numbers signify that Fajardo experiences a warm, humid climate with very slight temperature variation during the year.
Humidity is consistently high all year in Fajardo. The relative humidity oscillates around 76% for the early part of the year, peaking at 79% from May to August. Rainfall is a prominent feature of Fajardo's climate, with monthly averages ranging from 1.06" (27mm) in February to a high of 2.83" (72mm) in August.
The sea temperatures also fluctuate mildly, starting at 78.7°F (25.9°C) in February, peaking at 85°F (29.4°C) in September, and falling back to 81.7°F (27.6°C) in December. These temperatures result in Fajardo's beach-friendly weather throughout most of the year.
The best time to visit Fajardo
Taking temperature, sunshine, and rainfall into consideration, the best time to visit Fajardo would be during the late spring months of April and May. The average maximum temperatures during these months range from 80.4°F (26.9°C) to 81.5°F (27.5°C), while the low-temperature averages vary from 76.8°F (24.9°C) to 78.4°F (25.8°C), providing a pleasant climate for outdoor activities. Additionally, these months present slightly lesser rainfall, with average amounts of 1.18" (30mm) and 1.69" (43mm), respectively, compared to other times of the year.The worst time to visit Fajardo
The worst time to visit Fajardo is generally seen to be in the late summer and early autumn months, when rainfall is at its highest. August boasts the highest average precipitation levels at 2.83" (72mm), and September and October are not far behind with measures of 1.77" (45mm) and 2.44" (62mm), respectively. These months also witness the fewest sunshine hours.Spring weather in Fajardo
The typical spring season in Fajardo is characterized by slowly rising temperatures and increasing rainfall. April sees average high and low temperatures of 80.4°F (26.9°C) and 76.8°F (24.9°C) respectively, while in May, these values elevate to 81.5°F (27.5°C), and 78.4°F (25.8°C). Rainfall increases from 1.18" (30mm) in April to 1.69" (43mm) in May. However, this period is still one of the less rainy times of the year in Fajardo.Summer weather in Fajardo
The summer weather in Fajardo is hot and humid, with high rainfall amounts. The average high-temperature ranges from 82.9°F (28.3°C) in June to 84.2°F (29°C) in August, and the minimum temperatures range from 79.7°F (26.5°C) to 80.2°F (26.8°C) over the same period. Rainfall consistently sits above 2.6" (66mm) during these three months, reaching it's annual peak of 2.83" (72mm) in August.Autumn weather in Fajardo
Autumn weather in Fajardo continues to be warm and humid. The temperatures stay high with average highs dropping from 84°F (28.9°C) in September to 82.2°F (27.9°C) in November. The low temperatures range from 80.8°F (27.1°C) in September and October to 79.2°F (26.2°C) in November. Autumn, particularly September and October, are wet months, with rainfall averaging above 2.4" (61mm).Winter weather in Fajardo
Winter in Fajardo is mild and pleasant, with slightly cooler temperatures. The maximum temperature averages 80.2°F (26.8°C) in December, decreasing to 79°F (26.1°C) by February, while the minimum temperature falls to 75.7°F (24.3°C) by February, a small decrease from 77.2°F (25.1°C) in December. Rainfall also lessens during this period, dropping from 1.57" (40mm) in December to 1.14" (29mm) by February, making this season relatively drier than the others.Weather in January
The commencement of the new year in Fajardo, Puerto Rico, USA, greets its inhabitants with mild warmth and occasional rainfall. Even though winter has engulfed most of North America, this island city experiences a noticeable constancy in its climate. Weather in January »Weather in February
As Fajardo steps into February, the city continues to maintain its steady and warm climate. Despite being the shortest month, February shows little variation in meteorological measures from January, keeping up its reputation of year-round summer-like conditions. Weather in February »Weather in March
By March, sunglasses become an essential accessory in Fajardo, as the city basks under longer daylight hours. March's weather mostly emulates the preceding months, with a very slight uptick in temperature highs and lows. Environmental conditions are largely characterized by remarkable uniformity with no particular extremities. Weather in March »Weather in April
April in Fajardo is synonymous with a grand showcase of sunlight, as daylight hours stretch to approximately 12.6 hours a day. As spring blossoms in other parts of the world, Fajardo continues its steady march with minor fluctuations in its weather statistics. Weather in April »Weather in May
May brings with it the highest sea temperature of the year, a sizzling 81.6°F (27.6°C), making it the perfect time for a beach holiday in Fajardo. Alongside this, Fajardo steps up its sunlight game, offering approximately 13 hours of daylight, the highest so far. Weather in May »Weather in June
June in Fajardo sees summer in full swing as the climate continues its love affair with the sun. The heat is quite perceptible, but never unbearable, making it favorable for outdoor excursions and water-based activities. A salient characteristic of June weather is a slightly more humid environment with a relative humidity of 79%. Weather in June »Weather in July
July is characterized by occasional tropical showers interspersed with steady sun-beamed days in Fajardo. A strong sun and warm weather dominate the daily forecast, with fairly uniform temperature highs and lows. The sea temperature remains quite inviting, thanks to the consistent heating conditions. Weather in July »Weather in August
August stands out in the calendar for the highest air temperature recorded in the year in Fajardo, touching a high of 84.2°F (29°C). As the city experiences peak summer heat, the month also brings with it the highest rainfall of the year, experiencing approximately 2.83in of precipitation. Weather in August »Weather in September
As Fajardo moves into September, the temperatures still maintain a higher register, both on land and at sea. Albeit, a marginal dip in daily sunlight hours is observed, compared to the preceding summer months. Being a transitional month, September does bring quite a bit of rainfall, marking about 19.6 days of rainfall that adds up to 1.77in in total. Weather in September »Weather in October
In October, Fajardo starts to reel in from the summer, venturing into slightly cooler terrain. While the temperatures rarely plummet, there is a discernible gradual decline. Close synchrony with previous months is observed, with substantial rainfall marking about 20 days comprising 2.44in in total. Weather in October »Weather in November
November brings a relative coolness to Fajardo's tropical climate, yet maintaining pleasurable warmth throughout the day. The month records fewer sunlight hours with the onset of winter in the Northern Hemisphere. A principal feature of November weather is the longer uninterrupted dry periods despite 21.2 rainy days with a total precipitation of 2.4in. Weather in November »Weather in December
December marks the year's end with pleasant holiday weather in Fajardo, accompanied by cooler nights and slightly reduced daily sunshine hours. Although winter is prevalent across much of the globe, Fajardo remains comfortably warm with uniform temperatures. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Fajardo, 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
Fajardo, 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
Fajardo, 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
Fajardo, 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
Fajardo, 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
Fajardo, 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
Fajardo, 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
Fajardo, PR
- Average daylight in January:
11h and 12min - Average daylight in February:
11h and 36min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 36min - Average daylight in May:
13h and 0min - Average daylight in June:
13h and 12min
- Average daylight in July:
13h and 6min - Average daylight in August:
12h and 42min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 18min - Average daylight in December:
11h and 6min
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 24min - Average sunshine in February:
8h and 54min - Average sunshine in March:
8h and 30min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 18min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
8h and 42min - Average sunshine in September:
9h and 6min - Average sunshine in October:
7h and 42min - Average sunshine in November:
6h and 30min - Average sunshine in December:
6h and 24min
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
Fajardo, 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
Fajardo, 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
Fajardo, 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
Fajardo, 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).





