Vega Baja climate — normals and trends

Q: What is the climate of Vega Baja?

Vega Baja has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 1,030 mm of precipitation per year.

Q: What is the hottest day ever recorded in Vega Baja?

The hottest day measured in Vega Baja between 1940 and 2025 was 29 April 2015, reaching 33.8 °C.

Q: What is the coldest day in Vega Baja?

The coldest day measured in Vega Baja between 1940 and 2025 was 12 March 1951, at 17.9 °C.

Q: Does it snow in Vega Baja?

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

Q: Has the climate of Vega Baja warmed?

Yes: Vega Baja warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Vega Baja?

The wettest day measured in Vega Baja between 1940 and 2025 was 20 September 2017, with 213 mm of rain in 24 hours.

Q: What was the windiest day in Vega Baja?

The windiest day measured in Vega Baja between 1940 and 2025 was 20 September 2017, with winds reaching 92.7 km/h.

Q: What is the warmest month in Vega Baja?

The warmest month in Vega Baja is August (27.0 °C on average); the coldest is January (23.9 °C).

Q: How much does it rain in Vega Baja?

Vega Baja receives on average 1,030 mm of precipitation per year, spread over about 188 rainy days.

Q: Is it sunny in Vega Baja?

Vega Baja gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.

Vega Baja (Puerto Rico) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.5 °C and it receives 1,030 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 (27.0 °C on average) and the coldest is January (23.9 °C). Rainfall peaks in May.

Vega Baja averages 0 frost days, 76 hot days (≥ 30 °C) and 188 rainy days per year.

Vega Baja has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.

The hottest day of the period reached 33.8 °C (on 29 April 2015) and the coldest 17.9 °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

Vega BajaVega Baja

coords: 18.44°, -66.39°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAugustColdest monthJanuaryWettest monthMayDriest monthFebruary

Mean daily temperature

25.5°C

Average daily high

28.5°C

Average daily low

23.3°C

Annual rainfall

1,030mm

Sunshine / day

11.3h

Mean relative humidity

80%

Average peak wind

18.7km/h

Seasonal range

3.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

76 d/yr

Rainy days (≥ 1 mm)

188 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.9 °C

Average feels-like low

26.2 °C

Average peak gust

36.8 km/h

Tropical nights (≥ 20 °C)

361 d/yr

Solar radiation

20.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °C per decade · r² = 0.70 · 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

33.8 °C

29 April 2015

Coldest day

17.9 °C

12 March 1951

Wettest day

213 mm

20 September 2017

Windiest day

92.7 km/h

20 September 2017

Strongest gust

153.4 km/h

20 September 2017

Hottest feels-like

41.2 °C

27 August 2023

Coldest feels-like

16.7 °C

6 February 1955

Sunniest day

13.0 h

7 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.9 °C19 August 2025	20.3 °C29 December 2025	26.3 °C	997 mm	105
2024	33.6 °C18 August 2024	21.0 °C23 February 2024	26.8 °C	1,381 mm	174
2023	33.5 °C28 August 2023	20.7 °C18 January 2023	26.5 °C	976 mm	156
2022	32.5 °C5 June 2022	20.6 °C25 February 2022	26.0 °C	1,101 mm	92
2021	32.2 °C4 September 2021	21.0 °C11 April 2021	26.1 °C	727 mm	95
2020	32.5 °C8 May 2020	21.0 °C27 March 2020	26.3 °C	860 mm	131
2019	32.2 °C15 August 2019	20.8 °C13 March 2019	26.1 °C	797 mm	100
2018	31.5 °C7 August 2018	20.2 °C24 February 2018	25.8 °C	757 mm	66
2017	32.0 °C12 September 2017	18.6 °C19 January 2017	25.9 °C	1,519 mm	75
2016	31.8 °C14 June 2016	21.2 °C5 February 2016	26.1 °C	1,252 mm	106
2015	33.8 °C29 April 2015	21.3 °C7 February 2015	26.2 °C	682 mm	135
2014	32.9 °C26 August 2014	21.0 °C21 March 2014	26.2 °C	666 mm	140
2013	32.7 °C29 September 2013	21.0 °C14 January 2013	25.8 °C	1,040 mm	79
2012	32.9 °C21 June 2012	20.5 °C19 April 2012	25.9 °C	1,000 mm	113
2011	31.9 °C15 June 2011	20.5 °C11 March 2011	25.5 °C	1,423 mm	66
2010	32.2 °C27 April 2010	19.7 °C24 December 2010	26.0 °C	1,522 mm	100
2009	32.6 °C26 August 2009	19.7 °C1 January 2009	25.8 °C	915 mm	107
2008	32.5 °C6 August 2008	20.3 °C28 January 2008	25.5 °C	1,108 mm	72
2007	32.1 °C9 July 2007	20.3 °C29 January 2007	25.8 °C	1,228 mm	98
2006	32.0 °C30 September 2006	20.6 °C4 January 2006	25.7 °C	1,236 mm	77
2005	32.0 °C17 June 2005	19.2 °C8 February 2005	25.7 °C	1,614 mm	95
2004	32.2 °C24 September 2004	19.8 °C29 March 2004	25.5 °C	977 mm	96
2003	32.4 °C16 September 2003	20.4 °C29 December 2003	25.8 °C	1,095 mm	82
2002	32.2 °C7 September 2002	20.4 °C12 April 2002	25.8 °C	800 mm	104
2001	32.3 °C29 September 2001	19.1 °C27 February 2001	25.8 °C	743 mm	108
2000	32.0 °C15 July 2000	18.0 °C20 January 2000	25.4 °C	716 mm	85
1999	31.6 °C22 September 1999	19.5 °C18 February 1999	25.3 °C	1,273 mm	49
1998	32.5 °C23 August 1998	21.1 °C15 January 1998	25.9 °C	1,236 mm	101
1997	33.6 °C10 September 1997	19.7 °C8 April 1997	25.9 °C	611 mm	155
1996	32.0 °C23 June 1996	20.2 °C21 March 1996	25.2 °C	1,196 mm	43
1995	32.9 °C9 July 1995	19.0 °C25 March 1995	25.8 °C	824 mm	111
1994	32.5 °C27 July 1994	20.1 °C30 December 1994	25.9 °C	552 mm	134
1993	32.0 °C12 August 1993	19.4 °C4 March 1993	25.6 °C	988 mm	82
1992	31.7 °C29 June 1992	20.3 °C15 January 1992	25.5 °C	971 mm	74
1991	32.3 °C3 September 1991	19.5 °C23 December 1991	25.5 °C	701 mm	96
1990	33.0 °C30 July 1990	19.3 °C6 February 1990	25.5 °C	857 mm	92
1989	32.2 °C17 May 1989	20.0 °C30 March 1989	25.2 °C	791 mm	37
1988	32.5 °C5 June 1988	20.3 °C2 March 1988	25.5 °C	1,012 mm	63
1987	32.8 °C26 September 1987	19.8 °C9 January 1987	25.8 °C	1,289 mm	90
1986	31.7 °C13 September 1986	19.4 °C26 February 1986	25.3 °C	1,058 mm	76
1985	31.9 °C27 June 1985	19.7 °C7 January 1985	25.2 °C	872 mm	85
1984	32.0 °C29 March 1984	19.8 °C19 December 1984	25.3 °C	966 mm	69
1983	32.4 °C18 March 1983	19.9 °C15 February 1983	26.0 °C	923 mm	121
1982	31.7 °C14 September 1982	20.1 °C18 December 1982	25.3 °C	850 mm	70
1981	32.0 °C10 September 1981	19.5 °C24 February 1981	25.6 °C	1,438 mm	82
1980	32.6 °C21 August 1980	19.4 °C16 January 1980	25.9 °C	950 mm	115
1979	31.1 °C3 August 1979	18.6 °C7 March 1979	25.2 °C	1,505 mm	38
1978	31.5 °C24 July 1978	20.4 °C15 February 1978	25.7 °C	957 mm	84
1977	31.6 °C7 June 1977	20.8 °C25 January 1977	25.6 °C	868 mm	58
1976	32.5 °C14 July 1976	19.2 °C29 January 1976	25.3 °C	699 mm	70
1975	32.6 °C7 June 1975	20.1 °C20 March 1975	25.4 °C	837 mm	49
1974	32.2 °C30 July 1974	20.1 °C13 March 1974	25.5 °C	1,055 mm	73
1973	32.4 °C12 August 1973	20.7 °C11 February 1973	25.9 °C	947 mm	93
1972	33.1 °C25 May 1972	20.4 °C14 March 1972	25.7 °C	935 mm	93
1971	32.2 °C14 June 1971	20.6 °C21 November 1971	25.5 °C	919 mm	85
1970	31.5 °C17 July 1970	18.0 °C6 March 1970	25.4 °C	1,219 mm	41
1969	32.3 °C24 June 1969	18.7 °C25 February 1969	25.6 °C	1,036 mm	93
1968	32.0 °C1 October 1968	18.7 °C5 February 1968	25.2 °C	725 mm	58
1967	32.8 °C12 June 1967	19.2 °C23 March 1967	25.3 °C	685 mm	65
1966	32.1 °C28 August 1966	20.5 °C13 February 1966	25.3 °C	813 mm	82
1965	32.3 °C2 September 1965	18.3 °C11 January 1965	25.1 °C	923 mm	54
1964	32.4 °C8 June 1964	19.3 °C30 December 1964	25.5 °C	773 mm	89
1963	31.7 °C6 August 1963	19.4 °C21 March 1963	25.3 °C	1,112 mm	51
1962	31.6 °C5 October 1962	18.1 °C16 February 1962	25.1 °C	807 mm	56
1961	31.6 °C24 May 1961	19.7 °C8 March 1961	25.2 °C	1,021 mm	51
1960	31.6 °C11 June 1960	20.0 °C21 January 1960	25.4 °C	1,118 mm	58
1959	31.7 °C4 August 1959	20.0 °C18 February 1959	25.3 °C	1,042 mm	48
1958	31.6 °C1 September 1958	19.3 °C16 January 1958	25.7 °C	1,125 mm	75
1957	32.4 °C19 July 1957	19.4 °C2 March 1957	25.5 °C	812 mm	102
1956	31.8 °C27 August 1956	18.1 °C8 January 1956	25.0 °C	974 mm	34
1955	31.9 °C8 August 1955	18.7 °C16 January 1955	24.8 °C	1,129 mm	16
1954	31.5 °C2 June 1954	19.4 °C22 December 1954	24.8 °C	1,073 mm	21
1953	31.1 °C27 August 1953	19.4 °C4 January 1953	25.1 °C	983 mm	36
1952	32.0 °C4 June 1952	18.3 °C22 December 1952	25.0 °C	1,060 mm	48
1951	31.5 °C30 August 1951	17.9 °C12 March 1951	24.9 °C	1,309 mm	48
1950	31.1 °C31 July 1950	19.3 °C12 February 1950	24.5 °C	1,146 mm	26
1949	31.7 °C29 July 1949	18.6 °C26 February 1949	24.9 °C	888 mm	72
1948	31.1 °C30 April 1948	19.7 °C22 February 1948	24.9 °C	1,351 mm	21
1947	32.0 °C22 June 1947	19.7 °C19 February 1947	25.3 °C	1,036 mm	59
1946	31.6 °C3 July 1946	19.4 °C7 March 1946	25.0 °C	1,106 mm	48
1945	30.6 °C28 June 1945	18.9 °C15 January 1945	24.7 °C	1,171 mm	5
1944	32.2 °C5 April 1944	19.3 °C8 May 1944	25.0 °C	1,204 mm	45
1943	31.2 °C5 August 1943	19.5 °C25 January 1943	24.6 °C	1,136 mm	29
1942	30.4 °C3 October 1942	19.6 °C7 February 1942	24.8 °C	1,585 mm	16
1941	30.9 °C2 August 1941	19.1 °C12 January 1941	24.9 °C	1,444 mm	18
1940	31.5 °C25 April 1940	18.9 °C6 March 1940	24.8 °C	1,595 mm	25

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

29.0 °C

+0.5 °C

Hot days (≥ 30 °C)

105 d/yr

+29

Frost days (< 0 °C)

0 d/yr

Annual rainfall

997 mm

-33 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.4 °C	+0.6 °C	43 mm	+4 mm
Feb	27.7 °C	+0.7 °C	30 mm	-8 mm
Mar	28.1 °C	+0.6 °C	55 mm	+8 mm
Apr	27.9 °C	-0.1 °C	177 mm	+80 mm
May	28.9 °C	+0.1 °C	167 mm	+22 mm
Jun	29.8 °C	+0.1 °C	21 mm	-56 mm
Jul	30.3 °C	+0.4 °C	35 mm	-36 mm
Aug	30.4 °C	+0.4 °C	98 mm	+3 mm
Sep	30.4 °C	+0.7 °C	191 mm	+57 mm
Oct	30.1 °C	+0.9 °C	101 mm	-37 mm
Nov	28.8 °C	+0.8 °C	53 mm	-48 mm
Dec	28.2 °C	+1.1 °C	27 mm	-23 mm

The year's extremes

Hottest day

32.9 °C

19 Aug 2025

Coldest day

20.3 °C

29 Dec 2025

Wettest day

36.1 mm

28 Apr 2025

Windiest day

32.3 km/h

17 Aug 2025

Strongest gust

57.2 km/h

3 Apr 2025

Hottest feels-like

39.3 °C

19 Aug 2025

Coldest feels-like

21.7 °C

29 Dec 2025

Sunniest day

13.0 h

10 Jun 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 Vega Baja?

Vega Baja has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 1,030 mm of precipitation per year.

What is the hottest day ever recorded in Vega Baja?

The hottest day measured in Vega Baja between 1940 and 2025 was 29 April 2015, reaching 33.8 °C.

What is the coldest day in Vega Baja?

The coldest day measured in Vega Baja between 1940 and 2025 was 12 March 1951, at 17.9 °C.

Does it snow in Vega Baja?

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

Has the climate of Vega Baja warmed?

Yes: Vega Baja warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Vega Baja?

The wettest day measured in Vega Baja between 1940 and 2025 was 20 September 2017, with 213 mm of rain in 24 hours.

What was the windiest day in Vega Baja?

The windiest day measured in Vega Baja between 1940 and 2025 was 20 September 2017, with winds reaching 92.7 km/h.

What is the warmest month in Vega Baja?

The warmest month in Vega Baja is August (27.0 °C on average); the coldest is January (23.9 °C).

How much does it rain in Vega Baja?

Vega Baja receives on average 1,030 mm of precipitation per year, spread over about 188 rainy days.

Is it sunny in Vega Baja?

Vega Baja gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.

Are there tropical nights in Vega Baja?

Yes: Vega Baja has on average 361 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Vega Baja?

In Vega Baja, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 27 August 2023, and the lowest was 16.7 °C on 6 February 1955.

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