Puerto Rico climate — normals and trends

Q: What is the climate of Puerto Rico?

Puerto Rico has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 19.8 °C and it receives 1,863 mm of precipitation per year.

Q: What is the hottest day ever recorded in Puerto Rico?

The hottest day measured in Puerto Rico between 1940 and 2025 was 15 February 1964, reaching 33.9 °C.

Q: What is the coldest day in Puerto Rico?

The coldest day measured in Puerto Rico between 1940 and 2025 was 19 July 1975, at 10.3 °C.

Q: Does it snow in Puerto Rico?

Almost never: Puerto Rico sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Puerto Rico warmed?

Yes: Puerto Rico warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Puerto Rico?

The wettest day measured in Puerto Rico between 1940 and 2025 was 4 November 2016, with 198 mm of rain in 24 hours.

Q: What was the windiest day in Puerto Rico?

The windiest day measured in Puerto Rico between 1940 and 2025 was 12 March 1948, with winds reaching 15.5 km/h.

Q: What is the warmest month in Puerto Rico?

The warmest month in Puerto Rico is February (20.8 °C on average); the coldest is July (18.5 °C).

Q: How much does it rain in Puerto Rico?

Puerto Rico receives on average 1,863 mm of precipitation per year, spread over about 278 rainy days.

Q: Is it sunny in Puerto Rico?

Puerto Rico gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Puerto Rico (Colombia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 19.8 °C and it receives 1,863 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 February (20.8 °C on average) and the coldest is July (18.5 °C). Rainfall peaks in April.

Puerto Rico averages 0 frost days, 2 hot days (≥ 30 °C) and 278 rainy days per year.

Puerto Rico has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The hottest day of the period reached 33.9 °C (on 15 February 1964) and the coldest 10.3 °C (on 19 July 1975).

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

Puerto RicoCaquetá

coords: 1.91°, -75.16°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthFebruaryColdest monthJulyWettest monthAprilDriest monthJanuary

Mean daily temperature

19.8°C

Average daily high

24.6°C

Average daily low

16.1°C

Annual rainfall

1,863mm

Sunshine / day

10.3h

Mean relative humidity

81%

Average peak wind

8.0km/h

Seasonal range

2.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

2 d/yr

Rainy days (≥ 1 mm)

278 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.9 °C

Average feels-like low

17.2 °C

Average peak gust

33.6 km/h

Tropical nights (≥ 20 °C)

0 d/yr

Solar radiation

17.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.62 · p = < 0.001

19402025

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

33.9 °C

15 February 1964

Coldest day

10.3 °C

19 July 1975

Wettest day

198 mm

4 November 2016

Windiest day

15.5 km/h

12 March 1948

Strongest gust

62.6 km/h

23 June 1994

Hottest feels-like

36.3 °C

21 February 2024

Coldest feels-like

9.3 °C

2 August 1955

Sunniest day

12.0 h

5 April 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	28.9 °C5 February 2025	14.6 °C7 June 2025	20.5 °C	2,084 mm	0
2024	31.7 °C21 February 2024	14.8 °C2 August 2024	21.3 °C	1,756 mm	4
2023	30.0 °C27 September 2023	13.8 °C19 June 2023	20.9 °C	1,788 mm	1
2022	30.8 °C29 January 2022	13.1 °C22 August 2022	20.3 °C	1,989 mm	2
2021	29.9 °C8 February 2021	13.5 °C4 July 2021	20.5 °C	2,012 mm	0
2020	30.4 °C5 January 2020	13.7 °C25 September 2020	20.8 °C	1,694 mm	1
2019	28.8 °C23 April 2019	13.4 °C6 August 2019	20.3 °C	1,849 mm	0
2018	29.3 °C11 February 2018	13.8 °C23 December 2018	20.2 °C	2,102 mm	0
2017	28.6 °C20 February 2017	12.5 °C20 July 2017	20.4 °C	1,918 mm	0
2016	31.5 °C18 January 2016	14.4 °C24 August 2016	20.5 °C	2,286 mm	12
2015	29.7 °C2 March 2015	14.2 °C30 August 2015	20.4 °C	1,540 mm	0
2014	31.2 °C25 January 2014	13.7 °C30 August 2014	20.3 °C	1,810 mm	6
2013	28.9 °C26 January 2013	13.5 °C30 July 2013	20.1 °C	1,745 mm	0
2012	29.3 °C6 December 2012	13.3 °C20 July 2012	20.0 °C	2,013 mm	0
2011	30.1 °C6 February 2011	13.6 °C25 August 2011	20.3 °C	2,525 mm	1
2010	31.0 °C12 January 2010	13.7 °C4 January 2010	20.7 °C	2,065 mm	5
2009	30.1 °C28 December 2009	14.3 °C14 June 2009	20.5 °C	1,567 mm	1
2008	32.5 °C2 February 2008	14.1 °C17 July 2008	20.3 °C	2,104 mm	3
2007	32.6 °C6 February 2007	12.9 °C30 July 2007	20.4 °C	1,629 mm	26
2006	29.3 °C16 February 2006	13.4 °C12 May 2006	20.2 °C	1,791 mm	0
2005	30.4 °C13 March 2005	12.9 °C11 July 2005	20.4 °C	1,712 mm	1
2004	29.1 °C13 October 2004	13.8 °C23 July 2004	19.9 °C	1,612 mm	0
2003	30.4 °C23 January 2003	13.4 °C15 July 2003	19.7 °C	1,652 mm	1
2002	28.7 °C11 April 2002	13.9 °C26 June 2002	19.8 °C	1,388 mm	0
2001	29.0 °C13 March 2001	12.4 °C22 June 2001	19.7 °C	1,572 mm	0
2000	29.2 °C17 March 2000	12.6 °C16 July 2000	19.6 °C	1,764 mm	0
1999	28.5 °C7 March 1999	12.1 °C17 August 1999	19.4 °C	1,941 mm	0
1998	28.9 °C28 January 1998	14.2 °C29 June 1998	20.2 °C	1,874 mm	0
1997	29.1 °C26 March 1997	12.3 °C11 August 1997	19.9 °C	1,660 mm	0
1996	28.2 °C27 January 1996	13.3 °C1 July 1996	19.5 °C	1,795 mm	0
1995	31.1 °C8 February 1995	13.4 °C23 July 1995	20.0 °C	1,663 mm	3
1994	29.8 °C28 December 1994	13.5 °C30 June 1994	19.8 °C	1,896 mm	0
1993	28.3 °C15 February 1993	12.8 °C16 July 1993	19.7 °C	1,881 mm	0
1992	30.4 °C4 February 1992	13.4 °C26 July 1992	20.0 °C	1,573 mm	1
1991	30.0 °C31 January 1991	12.5 °C26 August 1991	19.9 °C	2,003 mm	1
1990	28.7 °C2 January 1990	12.6 °C15 September 1990	19.8 °C	1,710 mm	0
1989	29.0 °C30 December 1989	11.7 °C10 July 1989	19.6 °C	1,943 mm	0
1988	31.3 °C12 March 1988	12.3 °C21 December 1988	20.0 °C	1,944 mm	4
1987	28.9 °C28 March 1987	13.8 °C5 April 1987	20.1 °C	1,878 mm	0
1986	28.6 °C6 April 1986	12.5 °C24 July 1986	19.4 °C	2,209 mm	0
1985	29.4 °C1 February 1985	12.1 °C10 June 1985	19.5 °C	1,888 mm	0
1984	29.3 °C14 March 1984	12.8 °C28 August 1984	19.4 °C	1,734 mm	0
1983	31.2 °C13 February 1983	14.0 °C25 June 1983	20.2 °C	1,293 mm	5
1982	29.5 °C3 February 1982	13.4 °C19 January 1982	19.9 °C	1,624 mm	0
1981	30.2 °C21 March 1981	10.6 °C21 July 1981	20.1 °C	2,062 mm	3
1980	30.0 °C1 March 1980	14.0 °C9 January 1980	20.2 °C	1,449 mm	1
1979	29.4 °C13 February 1979	14.2 °C2 June 1979	19.9 °C	2,006 mm	0
1978	30.2 °C14 January 1978	10.7 °C16 August 1978	20.1 °C	2,034 mm	3
1977	31.0 °C30 January 1977	13.2 °C7 January 1977	20.0 °C	1,778 mm	4
1976	28.4 °C26 February 1976	12.9 °C3 July 1976	19.3 °C	2,459 mm	0
1975	29.6 °C15 February 1975	10.3 °C19 July 1975	19.4 °C	2,154 mm	0
1974	28.6 °C18 March 1974	13.1 °C4 January 1974	19.6 °C	2,376 mm	0
1973	28.9 °C9 March 1973	14.0 °C22 December 1973	19.8 °C	2,241 mm	0
1972	28.1 °C11 February 1972	12.9 °C28 December 1972	19.7 °C	2,191 mm	0
1971	28.8 °C24 January 1971	12.5 °C18 July 1971	19.2 °C	2,416 mm	0
1970	29.0 °C3 March 1970	13.4 °C12 August 1970	19.9 °C	2,077 mm	0
1969	29.5 °C17 February 1969	13.4 °C12 July 1969	20.2 °C	2,393 mm	0
1968	28.7 °C23 February 1968	12.7 °C4 January 1968	19.5 °C	2,513 mm	0
1967	29.1 °C14 February 1967	13.0 °C17 September 1967	19.7 °C	1,869 mm	0
1966	30.3 °C5 February 1966	12.1 °C3 June 1966	19.9 °C	1,875 mm	3
1965	31.0 °C28 January 1965	11.8 °C22 August 1965	19.9 °C	1,661 mm	2
1964	33.9 °C15 February 1964	12.7 °C10 August 1964	20.0 °C	1,512 mm	46
1963	30.6 °C28 January 1963	12.8 °C24 July 1963	20.3 °C	1,463 mm	3
1962	31.0 °C15 January 1962	12.7 °C10 July 1962	19.8 °C	1,604 mm	3
1961	29.1 °C15 February 1961	13.1 °C22 June 1961	19.7 °C	1,467 mm	0
1960	29.5 °C5 February 1960	12.5 °C23 December 1960	19.5 °C	1,451 mm	0
1959	29.8 °C16 March 1959	12.1 °C3 January 1959	19.5 °C	1,335 mm	0
1958	31.5 °C9 February 1958	13.9 °C21 January 1958	20.2 °C	1,611 mm	7
1957	30.7 °C5 October 1957	11.9 °C23 July 1957	19.7 °C	1,346 mm	1
1956	26.7 °C8 March 1956	13.2 °C5 August 1956	18.6 °C	2,065 mm	0
1955	26.2 °C29 January 1955	10.5 °C2 August 1955	18.8 °C	2,052 mm	0
1954	27.8 °C12 February 1954	13.7 °C13 August 1954	19.0 °C	1,591 mm	0
1953	29.1 °C15 February 1953	13.7 °C13 July 1953	19.5 °C	1,704 mm	0
1952	28.8 °C7 March 1952	13.2 °C3 September 1952	19.2 °C	1,624 mm	0
1951	26.8 °C7 October 1951	13.4 °C12 January 1951	18.8 °C	2,178 mm	0
1950	26.4 °C30 March 1950	13.2 °C12 January 1950	18.8 °C	2,157 mm	0
1949	25.6 °C23 April 1949	13.3 °C11 February 1949	18.6 °C	1,788 mm	0
1948	26.0 °C19 February 1948	13.1 °C28 June 1948	18.6 °C	1,924 mm	0
1947	27.2 °C18 March 1947	13.4 °C4 August 1947	19.0 °C	2,097 mm	0
1946	26.7 °C7 February 1946	13.0 °C9 August 1946	18.7 °C	1,714 mm	0
1945	28.2 °C9 February 1945	13.0 °C13 December 1945	19.0 °C	1,587 mm	0
1944	27.6 °C21 February 1944	13.5 °C30 December 1944	19.0 °C	1,753 mm	0
1943	26.7 °C19 February 1943	12.5 °C24 November 1943	18.1 °C	2,167 mm	0
1942	27.8 °C14 January 1942	12.2 °C15 July 1942	18.5 °C	2,394 mm	0
1941	28.1 °C10 March 1941	13.7 °C4 November 1941	19.2 °C	1,903 mm	0
1940	30.0 °C26 February 1940	13.8 °C13 January 1940	19.5 °C	1,683 mm	1

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?

Year

Across the whole year

Average daily high

24.4 °C

-0.2 °C

Hot days (≥ 30 °C)

0 d/yr

-2

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2084 mm

+221 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	26.2 °C	+0.3 °C	53 mm	-30 mm
Feb	25.7 °C	-0.5 °C	114 mm	+10 mm
Mar	24.9 °C	-0.5 °C	230 mm	+52 mm
Apr	25.1 °C	+0.6 °C	205 mm	-20 mm
May	23.8 °C	0.0 °C	206 mm	-10 mm
Jun	23.5 °C	+0.6 °C	330 mm	+147 mm
Jul	22.8 °C	+0.1 °C	354 mm	+196 mm
Aug	23.9 °C	+0.1 °C	142 mm	+47 mm
Sep	24.5 °C	-0.2 °C	94 mm	+1 mm
Oct	23.9 °C	-1.1 °C	120 mm	-56 mm
Nov	24.1 °C	-0.8 °C	109 mm	-113 mm
Dec	24.6 °C	-0.6 °C	129 mm	-4 mm

The year's extremes

Hottest day

28.9 °C

5 Feb 2025

Coldest day

14.6 °C

7 Jun 2025

Wettest day

57.3 mm

2 Jul 2025

Windiest day

13.6 km/h

22 Jan 2025

Strongest gust

50.4 km/h

23 Sep 2025

Hottest feels-like

31.3 °C

14 Jan 2025

Coldest feels-like

14.7 °C

7 Jun 2025

Sunniest day

12.0 h

7 Apr 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Puerto Rico?

Puerto Rico has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 19.8 °C and it receives 1,863 mm of precipitation per year.

What is the hottest day ever recorded in Puerto Rico?

The hottest day measured in Puerto Rico between 1940 and 2025 was 15 February 1964, reaching 33.9 °C.

What is the coldest day in Puerto Rico?

The coldest day measured in Puerto Rico between 1940 and 2025 was 19 July 1975, at 10.3 °C.

Does it snow in Puerto Rico?

Almost never: Puerto Rico sees virtually no snow, with about 0 frost days per year.

Has the climate of Puerto Rico warmed?

Yes: Puerto Rico warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Puerto Rico?

The wettest day measured in Puerto Rico between 1940 and 2025 was 4 November 2016, with 198 mm of rain in 24 hours.

What was the windiest day in Puerto Rico?

The windiest day measured in Puerto Rico between 1940 and 2025 was 12 March 1948, with winds reaching 15.5 km/h.

What is the warmest month in Puerto Rico?

The warmest month in Puerto Rico is February (20.8 °C on average); the coldest is July (18.5 °C).

How much does it rain in Puerto Rico?

Puerto Rico receives on average 1,863 mm of precipitation per year, spread over about 278 rainy days.

Is it sunny in Puerto Rico?

Puerto Rico gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Are there tropical nights in Puerto Rico?

Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Puerto Rico.

What was the most extreme apparent temperature in Puerto Rico?

In Puerto Rico, between 1940 and 2025, the highest apparent temperature reached 36.3 °C on 21 February 2024, and the lowest was 9.3 °C on 2 August 1955.

Compare Puerto Rico with another city

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