Fajardo climate — normals and trends
Fajardo (Puerto Rico) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.4 °C and it receives 1,380 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is August (26.7 °C on average) and the coldest is February (23.9 °C). Rainfall peaks in September.
Fajardo averages 0 frost days, 3 hot days (≥ 30 °C) and 278 rainy days per year.
Fajardo has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.8 °C (on 18 June 2024) and the coldest 19.2 °C (on 12 March 1951).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
FajardoFajardo
- coords
- 18.33°, -65.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.4°C
Average daily high
27.1°C
Average daily low
24.0°C
Annual rainfall
1,380mm
Sunshine / day
11.3h
Mean relative humidity
83%
Average peak wind
18.0km/h
Seasonal range
2.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
278 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.0 °C
Average feels-like low
27.0 °C
Average peak gust
37.2 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
20.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.70 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
31.8 °C
18 June 2024
Coldest day
19.2 °C
12 March 1951
Wettest day
175 mm
18 September 2022
Windiest day
69.2 km/h
20 September 2017
Strongest gust
140.0 km/h
18 September 1989
Hottest feels-like
39.7 °C
10 September 2023
Coldest feels-like
17.8 °C
16 January 2000
Sunniest day
13.0 h
19 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 26.7 °C | +1.1 °C | 65 mm | +2 mm |
| Feb | 26.4 °C | +0.9 °C | 67 mm | +12 mm |
| Mar | 26.8 °C | +1.0 °C | 75 mm | +16 mm |
| Apr | 26.6 °C | +0.2 °C | 150 mm | +59 mm |
| May | 27.8 °C | +0.6 °C | 166 mm | +19 mm |
| Jun | 28.1 °C | +0.2 °C | 65 mm | -54 mm |
| Jul | 28.4 °C | +0.3 °C | 89 mm | -47 mm |
| Aug | 29.2 °C | +0.8 °C | 119 mm | -34 mm |
| Sep | 29.2 °C | +0.7 °C | 219 mm | +45 mm |
| Oct | 29.1 °C | +0.9 °C | 159 mm | -12 mm |
| Nov | 28.1 °C | +0.9 °C | 120 mm | -14 mm |
| Dec | 27.0 °C | +0.8 °C | 48 mm | -28 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Fajardo?
Fajardo has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.4 °C and it receives 1,380 mm of precipitation per year.
What is the hottest day ever recorded in Fajardo?
The hottest day measured in Fajardo between 1940 and 2025 was 18 June 2024, reaching 31.8 °C.
What is the coldest day in Fajardo?
The coldest day measured in Fajardo between 1940 and 2025 was 12 March 1951, at 19.2 °C.
Does it snow in Fajardo?
Almost never: Fajardo sees virtually no snow, with about 0 frost days per year.
Has the climate of Fajardo warmed?
Yes: Fajardo warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Fajardo?
The wettest day measured in Fajardo between 1940 and 2025 was 18 September 2022, with 175 mm of rain in 24 hours.
What was the windiest day in Fajardo?
The windiest day measured in Fajardo between 1940 and 2025 was 20 September 2017, with winds reaching 69.2 km/h.
What is the warmest month in Fajardo?
The warmest month in Fajardo is August (26.7 °C on average); the coldest is February (23.9 °C).
How much does it rain in Fajardo?
Fajardo receives on average 1,380 mm of precipitation per year, spread over about 278 rainy days.
Is it sunny in Fajardo?
Fajardo gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.
Are there tropical nights in Fajardo?
Yes: Fajardo has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Fajardo?
In Fajardo, between 1940 and 2025, the highest apparent temperature reached 39.7 °C on 10 September 2023, and the lowest was 17.8 °C on 16 January 2000.
Compare Fajardo with another city
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Nearby cities
The climate around Fajardo