Acajutla climate — normals and trends

Q: What is the climate of Acajutla?

Acajutla has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.7 °C and it receives 1,696 mm of precipitation per year.

Q: What is the hottest day ever recorded in Acajutla?

The hottest day measured in Acajutla between 1940 and 2025 was 13 April 2024, reaching 33.8 °C.

Q: What is the coldest day in Acajutla?

The coldest day measured in Acajutla between 1940 and 2025 was 16 January 1956, at 19.4 °C.

Q: Does it snow in Acajutla?

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

Q: Has the climate of Acajutla warmed?

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

Q: What is the wettest day in Acajutla?

The wettest day measured in Acajutla between 1940 and 2025 was 19 July 2008, with 206 mm of rain in 24 hours.

Q: What was the windiest day in Acajutla?

The windiest day measured in Acajutla between 1940 and 2025 was 28 July 1996, with winds reaching 48.6 km/h.

Q: What is the warmest month in Acajutla?

The warmest month in Acajutla is April (27.4 °C on average); the coldest is January (26.1 °C).

Q: How much does it rain in Acajutla?

Acajutla receives on average 1,696 mm of precipitation per year, spread over about 189 rainy days.

Q: Is it sunny in Acajutla?

Acajutla gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.

Acajutla (El Salvador) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.7 °C and it receives 1,696 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 April (27.4 °C on average) and the coldest is January (26.1 °C). Rainfall peaks in September.

Acajutla averages 0 frost days, 67 hot days (≥ 30 °C) and 189 rainy days per year.

Acajutla has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.

The hottest day of the period reached 33.8 °C (on 13 April 2024) and the coldest 19.4 °C (on 16 January 1956).

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

AcajutlaSonsonate Department

coords: 13.59°, -89.83°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthJanuaryWettest monthSeptemberDriest monthJanuary

Mean daily temperature

26.7°C

Average daily high

28.9°C

Average daily low

24.9°C

Annual rainfall

1,696mm

Sunshine / day

10.8h

Mean relative humidity

78%

Average peak wind

14.8km/h

Seasonal range

1.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

67 d/yr

Rainy days (≥ 1 mm)

189 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.1 °C

Average feels-like low

28.3 °C

Average peak gust

27.6 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

20.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °C per decade · r² = 0.67 · 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

13 April 2024

Coldest day

19.4 °C

16 January 1956

Wettest day

206 mm

19 July 2008

Windiest day

48.6 km/h

28 July 1996

Strongest gust

79.2 km/h

28 July 1996

Hottest feels-like

40.6 °C

20 July 2023

Coldest feels-like

15.5 °C

24 February 1989

Sunniest day

12.1 h

10 July 2021

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.0 °C11 April 2025	24.0 °C18 January 2025	27.7 °C	1,549 mm	165
2024	33.8 °C13 April 2024	22.7 °C23 February 2024	27.8 °C	2,232 mm	197
2023	32.7 °C20 July 2023	22.9 °C16 January 2023	27.8 °C	1,445 mm	201
2022	32.0 °C9 April 2022	23.4 °C15 January 2022	27.1 °C	2,151 mm	108
2021	32.8 °C1 April 2021	22.4 °C5 February 2021	27.4 °C	1,386 mm	144
2020	32.5 °C8 March 2020	22.9 °C26 December 2020	27.4 °C	2,177 mm	158
2019	32.4 °C28 June 2019	22.9 °C22 January 2019	27.5 °C	1,695 mm	169
2018	31.7 °C13 February 2018	22.2 °C10 January 2018	27.2 °C	1,702 mm	146
2017	32.9 °C19 March 2017	21.8 °C24 January 2017	27.3 °C	1,533 mm	156
2016	33.0 °C9 April 2016	22.8 °C24 January 2016	27.6 °C	1,275 mm	186
2015	32.1 °C8 March 2015	23.3 °C29 January 2015	27.7 °C	1,529 mm	198
2014	33.6 °C9 April 2014	22.4 °C17 January 2014	27.3 °C	1,487 mm	154
2013	32.2 °C29 March 2013	22.5 °C3 March 2013	27.2 °C	1,563 mm	109
2012	32.8 °C5 March 2012	22.5 °C7 January 2012	27.1 °C	1,328 mm	125
2011	31.8 °C4 May 2011	22.2 °C8 January 2011	26.7 °C	2,190 mm	55
2010	33.1 °C22 March 2010	21.2 °C11 January 2010	26.9 °C	2,490 mm	106
2009	31.8 °C22 April 2009	21.4 °C25 December 2009	27.1 °C	1,262 mm	121
2008	31.6 °C15 April 2008	21.9 °C4 January 2008	26.5 °C	2,210 mm	60
2007	32.7 °C5 March 2007	22.4 °C11 November 2007	26.7 °C	1,972 mm	90
2006	31.7 °C30 June 2006	21.1 °C23 November 2006	26.9 °C	1,630 mm	84
2005	33.0 °C17 April 2005	21.2 °C22 January 2005	26.8 °C	2,357 mm	82
2004	32.9 °C18 April 2004	22.3 °C27 January 2004	27.0 °C	1,648 mm	116
2003	31.7 °C1 April 2003	22.2 °C20 December 2003	27.0 °C	1,575 mm	99
2002	31.9 °C7 May 2002	21.6 °C10 January 2002	27.1 °C	1,511 mm	117
2001	32.1 °C27 June 2001	21.9 °C24 January 2001	26.7 °C	1,248 mm	78
2000	31.9 °C9 April 2000	21.6 °C28 January 2000	26.5 °C	1,396 mm	46
1999	31.8 °C20 April 1999	21.0 °C29 December 1999	26.3 °C	1,993 mm	42
1998	33.6 °C19 May 1998	22.3 °C4 February 1998	27.1 °C	1,936 mm	123
1997	32.8 °C5 May 1997	21.4 °C16 December 1997	27.2 °C	1,417 mm	133
1996	31.4 °C29 March 1996	20.6 °C14 January 1996	26.4 °C	2,013 mm	42
1995	31.4 °C24 January 1995	22.2 °C1 January 1995	26.5 °C	2,295 mm	40
1994	31.5 °C18 April 1994	22.3 °C30 December 1994	26.8 °C	1,084 mm	49
1993	32.0 °C31 July 1993	21.7 °C28 January 1993	26.7 °C	1,726 mm	54
1992	32.2 °C10 May 1992	21.4 °C7 February 1992	26.8 °C	1,435 mm	80
1991	31.4 °C13 July 1991	21.8 °C13 February 1991	26.8 °C	1,308 mm	45
1990	31.7 °C10 April 1990	22.5 °C10 December 1990	26.8 °C	1,384 mm	46
1989	31.0 °C16 July 1989	20.0 °C25 December 1989	26.4 °C	1,560 mm	27
1988	31.6 °C25 February 1988	21.5 °C27 January 1988	26.6 °C	1,674 mm	46
1987	32.1 °C12 May 1987	21.3 °C7 January 1987	27.1 °C	1,314 mm	99
1986	31.1 °C7 April 1986	21.1 °C28 January 1986	26.4 °C	1,253 mm	31
1985	31.0 °C8 March 1985	21.6 °C28 January 1985	26.3 °C	1,495 mm	10
1984	31.2 °C17 April 1984	21.4 °C1 January 1984	26.3 °C	1,613 mm	20
1983	31.5 °C11 March 1983	22.5 °C14 January 1983	27.1 °C	1,341 mm	96
1982	31.3 °C19 January 1982	22.4 °C7 March 1982	26.8 °C	1,752 mm	54
1981	31.9 °C7 April 1981	21.1 °C1 January 1981	26.5 °C	1,744 mm	40
1980	31.8 °C15 April 1980	21.3 °C30 December 1980	26.7 °C	1,426 mm	53
1979	31.3 °C9 August 1979	22.3 °C4 January 1979	26.6 °C	1,886 mm	57
1978	31.0 °C14 May 1978	21.2 °C7 February 1978	26.4 °C	1,799 mm	20
1977	31.9 °C7 April 1977	21.1 °C21 January 1977	26.6 °C	1,314 mm	42
1976	31.4 °C19 July 1976	21.3 °C19 January 1976	26.4 °C	1,351 mm	39
1975	31.1 °C22 April 1975	21.2 °C24 December 1975	26.1 °C	1,909 mm	14
1974	31.3 °C16 August 1974	22.5 °C11 February 1974	26.2 °C	1,458 mm	22
1973	31.9 °C11 April 1973	21.2 °C18 December 1973	26.4 °C	1,781 mm	63
1972	31.5 °C6 April 1972	21.8 °C22 February 1972	26.8 °C	1,457 mm	68
1971	31.4 °C12 April 1971	22.1 °C15 February 1971	26.1 °C	1,922 mm	14
1970	32.1 °C13 February 1970	20.8 °C5 February 1970	26.4 °C	1,965 mm	51
1969	32.0 °C1 April 1969	22.3 °C22 November 1969	26.6 °C	2,550 mm	73
1968	31.7 °C29 July 1968	21.6 °C10 February 1968	26.2 °C	1,939 mm	26
1967	30.8 °C17 May 1967	21.8 °C25 December 1967	26.4 °C	1,226 mm	42
1966	31.1 °C11 January 1966	21.7 °C28 January 1966	26.5 °C	1,712 mm	44
1965	31.1 °C21 March 1965	21.0 °C19 January 1965	26.5 °C	1,660 mm	31
1964	31.4 °C29 February 1964	21.4 °C2 January 1964	26.3 °C	1,397 mm	24
1963	31.0 °C15 April 1963	20.6 °C26 December 1963	26.4 °C	1,896 mm	29
1962	31.2 °C4 April 1962	21.5 °C3 January 1962	26.2 °C	1,503 mm	23
1961	31.2 °C19 April 1961	22.3 °C27 December 1961	26.3 °C	1,751 mm	35
1960	32.0 °C21 March 1960	21.1 °C31 January 1960	26.2 °C	2,261 mm	32
1959	30.8 °C14 April 1959	21.6 °C30 November 1959	26.4 °C	1,497 mm	30
1958	32.4 °C21 March 1958	21.2 °C9 January 1958	26.7 °C	1,971 mm	75
1957	32.1 °C6 May 1957	20.8 °C11 December 1957	26.5 °C	1,774 mm	37
1956	31.0 °C21 April 1956	19.4 °C16 January 1956	26.0 °C	1,685 mm	20
1955	31.2 °C27 March 1955	21.9 °C27 December 1955	25.8 °C	1,884 mm	21
1954	31.0 °C3 April 1954	21.6 °C22 December 1954	26.0 °C	1,782 mm	17
1953	31.6 °C22 April 1953	21.4 °C11 January 1953	26.6 °C	1,831 mm	64
1952	31.6 °C6 April 1952	22.1 °C19 December 1952	26.3 °C	1,675 mm	32
1951	31.2 °C7 August 1951	20.9 °C4 February 1951	26.4 °C	1,562 mm	33
1950	30.6 °C30 March 1950	21.6 °C29 November 1950	25.7 °C	2,365 mm	10
1949	30.7 °C16 March 1949	22.3 °C2 January 1949	26.0 °C	1,892 mm	19
1948	31.6 °C13 March 1948	21.1 °C16 January 1948	26.2 °C	1,908 mm	24
1947	31.1 °C26 March 1947	21.9 °C17 February 1947	26.2 °C	1,744 mm	27
1946	30.6 °C23 June 1946	21.8 °C28 February 1946	26.1 °C	1,500 mm	17
1945	30.4 °C16 December 1945	20.4 °C6 December 1945	26.0 °C	2,074 mm	6
1944	31.7 °C6 April 1944	21.9 °C21 January 1944	26.2 °C	1,298 mm	15
1943	31.1 °C15 April 1943	19.9 °C22 December 1943	26.0 °C	1,843 mm	13
1942	32.4 °C2 April 1942	22.1 °C30 December 1942	26.1 °C	1,927 mm	49
1941	32.7 °C26 April 1941	21.5 °C16 January 1941	26.7 °C	1,297 mm	89
1940	31.5 °C22 February 1940	22.2 °C25 January 1940	26.4 °C	1,259 mm	49

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

29.9 °C

+1.0 °C

Hot days (≥ 30 °C)

165 d/yr

+98

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1550 mm

-147 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.2 °C	+1.1 °C	6 mm	+2 mm
Feb	30.4 °C	+1.2 °C	9 mm	+5 mm
Mar	30.2 °C	+0.7 °C	15 mm	+4 mm
Apr	30.7 °C	+1.0 °C	22 mm	-17 mm
May	30.1 °C	+1.1 °C	82 mm	-92 mm
Jun	29.5 °C	+1.0 °C	501 mm	+208 mm
Jul	30.2 °C	+1.1 °C	189 mm	-41 mm
Aug	29.6 °C	+0.8 °C	163 mm	-92 mm
Sep	29.2 °C	+1.1 °C	234 mm	-99 mm
Oct	28.8 °C	+0.6 °C	279 mm	-3 mm
Nov	29.8 °C	+1.0 °C	18 mm	-45 mm
Dec	29.8 °C	+0.7 °C	31 mm	+22 mm

The year's extremes

Hottest day

33.0 °C

11 Apr 2025

Coldest day

24.0 °C

18 Jan 2025

Wettest day

96.7 mm

15 Jun 2025

Windiest day

27.4 km/h

16 Jun 2025

Strongest gust

45.4 km/h

25 Jan 2025

Hottest feels-like

39.4 °C

19 Jul 2025

Coldest feels-like

23.9 °C

12 Nov 2025

Sunniest day

12.1 h

9 Jul 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 Acajutla?

Acajutla has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.7 °C and it receives 1,696 mm of precipitation per year.

What is the hottest day ever recorded in Acajutla?

The hottest day measured in Acajutla between 1940 and 2025 was 13 April 2024, reaching 33.8 °C.

What is the coldest day in Acajutla?

The coldest day measured in Acajutla between 1940 and 2025 was 16 January 1956, at 19.4 °C.

Does it snow in Acajutla?

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

Has the climate of Acajutla warmed?

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

What is the wettest day in Acajutla?

The wettest day measured in Acajutla between 1940 and 2025 was 19 July 2008, with 206 mm of rain in 24 hours.

What was the windiest day in Acajutla?

The windiest day measured in Acajutla between 1940 and 2025 was 28 July 1996, with winds reaching 48.6 km/h.

What is the warmest month in Acajutla?

The warmest month in Acajutla is April (27.4 °C on average); the coldest is January (26.1 °C).

How much does it rain in Acajutla?

Acajutla receives on average 1,696 mm of precipitation per year, spread over about 189 rainy days.

Is it sunny in Acajutla?

Acajutla gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.

Are there tropical nights in Acajutla?

Yes: Acajutla has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Acajutla?

In Acajutla, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 20 July 2023, and the lowest was 15.5 °C on 24 February 1989.

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