Guazacapán climate — normals and trends

Q: What is the climate of Guazacapán?

Guazacapán has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 1,648 mm of precipitation per year.

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

The hottest day measured in Guazacapán between 1940 and 2025 was 3 March 2017, reaching 34.6 °C.

Q: What is the coldest day in Guazacapán?

The coldest day measured in Guazacapán between 1940 and 2025 was 17 January 1956, at 16.6 °C.

Q: Does it snow in Guazacapán?

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

Q: Has the climate of Guazacapán warmed?

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

Q: What is the wettest day in Guazacapán?

The wettest day measured in Guazacapán between 1940 and 2025 was 4 September 1969, with 301 mm of rain in 24 hours.

Q: What was the windiest day in Guazacapán?

The windiest day measured in Guazacapán between 1940 and 2025 was 28 January 1988, with winds reaching 40.6 km/h.

Q: What is the warmest month in Guazacapán?

The warmest month in Guazacapán is April (26.8 °C on average); the coldest is January (25.2 °C).

Q: How much does it rain in Guazacapán?

Guazacapán receives on average 1,648 mm of precipitation per year, spread over about 202 rainy days.

Q: Is it sunny in Guazacapán?

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

Guazacapán (Guatemala) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 1,648 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 (26.8 °C on average) and the coldest is January (25.2 °C). Rainfall peaks in September.

Guazacapán averages 0 frost days, 64 hot days (≥ 30 °C) and 202 rainy days per year.

Guazacapán 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 34.6 °C (on 3 March 2017) and the coldest 16.6 °C (on 17 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

GuazacapánSanta Rosa Department

coords: 14.07°, -90.42°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthJanuaryWettest monthSeptemberDriest monthJanuary

Mean daily temperature

25.8°C

Average daily high

28.8°C

Average daily low

23.1°C

Annual rainfall

1,648mm

Sunshine / day

10.8h

Mean relative humidity

78%

Average peak wind

12.4km/h

Seasonal range

1.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

64 d/yr

Rainy days (≥ 1 mm)

202 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.8 °C

Average feels-like low

26.2 °C

Average peak gust

26.6 km/h

Tropical nights (≥ 20 °C)

360 d/yr

Solar radiation

20.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.76 · 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

34.6 °C

3 March 2017

Coldest day

16.6 °C

17 January 1956

Wettest day

301 mm

4 September 1969

Windiest day

40.6 km/h

28 January 1988

Strongest gust

74.5 km/h

28 January 1988

Hottest feels-like

39.9 °C

19 July 2025

Coldest feels-like

14.2 °C

9 January 1956

Sunniest day

12.3 h

23 June 2015

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.2 °C19 July 2025	20.9 °C18 January 2025	26.9 °C	1,347 mm	154
2024	33.7 °C12 April 2024	20.4 °C8 February 2024	27.1 °C	2,198 mm	195
2023	32.5 °C20 July 2023	20.0 °C16 January 2023	27.1 °C	1,209 mm	199
2022	32.4 °C13 March 2022	20.8 °C18 January 2022	26.4 °C	1,934 mm	81
2021	33.2 °C1 April 2021	19.9 °C7 February 2021	26.6 °C	1,269 mm	116
2020	33.6 °C16 February 2020	20.3 °C29 December 2020	26.8 °C	1,933 mm	152
2019	33.7 °C28 June 2019	21.2 °C4 January 2019	26.8 °C	1,559 mm	167
2018	32.9 °C13 February 2018	19.5 °C12 January 2018	26.6 °C	1,584 mm	139
2017	34.6 °C3 March 2017	19.3 °C24 January 2017	26.6 °C	1,695 mm	154
2016	33.5 °C27 February 2016	20.7 °C23 November 2016	26.9 °C	1,312 mm	160
2015	33.6 °C5 January 2015	21.2 °C17 February 2015	27.0 °C	1,421 mm	191
2014	33.3 °C9 April 2014	19.3 °C27 October 2014	26.6 °C	1,314 mm	145
2013	33.8 °C29 March 2013	20.5 °C4 March 2013	26.5 °C	1,453 mm	108
2012	32.7 °C30 December 2012	20.0 °C7 January 2012	26.2 °C	1,178 mm	86
2011	32.3 °C4 May 2011	19.4 °C8 January 2011	26.1 °C	2,116 mm	64
2010	34.0 °C18 February 2010	18.1 °C17 December 2010	26.3 °C	2,628 mm	114
2009	33.3 °C4 February 2009	19.7 °C25 December 2009	26.4 °C	1,209 mm	121
2008	31.8 °C25 March 2008	20.1 °C4 February 2008	25.8 °C	1,818 mm	66
2007	32.8 °C5 March 2007	19.6 °C21 February 2007	26.0 °C	1,916 mm	83
2006	31.8 °C1 July 2006	18.2 °C23 November 2006	26.1 °C	1,811 mm	57
2005	32.4 °C17 April 2005	18.9 °C22 January 2005	26.1 °C	2,308 mm	84
2004	33.6 °C18 April 2004	19.3 °C27 January 2004	26.2 °C	1,356 mm	94
2003	33.1 °C1 April 2003	19.6 °C10 December 2003	26.3 °C	1,447 mm	95
2002	32.4 °C27 March 2002	18.5 °C10 January 2002	26.2 °C	1,602 mm	101
2001	32.6 °C10 February 2001	19.8 °C8 January 2001	25.9 °C	1,257 mm	82
2000	32.5 °C9 April 2000	19.5 °C1 January 2000	25.8 °C	1,380 mm	40
1999	32.5 °C19 April 1999	18.0 °C29 December 1999	25.6 °C	2,111 mm	51
1998	34.3 °C11 March 1998	19.7 °C3 February 1998	26.4 °C	2,013 mm	127
1997	33.5 °C5 May 1997	19.2 °C25 December 1997	26.3 °C	1,836 mm	98
1996	31.7 °C4 March 1996	18.0 °C14 January 1996	25.6 °C	1,681 mm	34
1995	31.3 °C2 March 1995	19.3 °C10 February 1995	25.8 °C	2,216 mm	32
1994	32.1 °C18 April 1994	19.5 °C30 December 1994	25.9 °C	1,076 mm	48
1993	32.0 °C31 July 1993	19.3 °C10 January 1993	25.8 °C	1,615 mm	44
1992	31.9 °C27 April 1992	18.6 °C9 February 1992	25.9 °C	1,593 mm	53
1991	31.4 °C12 August 1991	19.3 °C13 February 1991	25.9 °C	1,210 mm	53
1990	31.5 °C23 January 1990	20.3 °C19 February 1990	25.9 °C	1,349 mm	55
1989	32.4 °C9 February 1989	17.9 °C28 February 1989	25.5 °C	1,493 mm	35
1988	32.6 °C25 February 1988	20.4 °C28 February 1988	25.8 °C	1,592 mm	66
1987	32.3 °C12 May 1987	17.8 °C7 January 1987	26.2 °C	1,195 mm	77
1986	32.2 °C25 March 1986	18.6 °C29 January 1986	25.5 °C	995 mm	25
1985	32.1 °C9 March 1985	18.2 °C28 January 1985	25.4 °C	1,443 mm	15
1984	31.7 °C25 December 1984	19.5 °C24 November 1984	25.5 °C	1,494 mm	21
1983	31.9 °C29 April 1983	19.6 °C19 March 1983	26.2 °C	1,299 mm	93
1982	31.5 °C22 August 1982	20.0 °C7 March 1982	26.0 °C	1,679 mm	53
1981	32.1 °C12 February 1981	18.2 °C1 January 1981	25.7 °C	1,786 mm	33
1980	31.5 °C20 April 1980	19.3 °C30 December 1980	25.9 °C	1,429 mm	50
1979	31.8 °C12 April 1979	19.7 °C28 December 1979	25.8 °C	1,814 mm	58
1978	31.8 °C17 March 1978	19.6 °C17 January 1978	25.6 °C	1,751 mm	48
1977	31.7 °C16 March 1977	19.2 °C3 January 1977	25.7 °C	1,449 mm	35
1976	31.7 °C18 July 1976	19.2 °C11 February 1976	25.5 °C	1,317 mm	33
1975	31.9 °C22 April 1975	19.1 °C24 December 1975	25.3 °C	1,778 mm	18
1974	31.9 °C26 February 1974	19.0 °C29 December 1974	25.3 °C	1,417 mm	18
1973	32.1 °C20 February 1973	19.0 °C12 December 1973	25.6 °C	1,732 mm	73
1972	32.4 °C30 June 1972	20.0 °C15 February 1972	25.9 °C	1,337 mm	47
1971	31.9 °C9 April 1971	19.9 °C13 November 1971	25.3 °C	1,815 mm	24
1970	32.2 °C24 April 1970	19.1 °C18 January 1970	25.6 °C	1,811 mm	62
1969	32.2 °C9 May 1969	19.2 °C21 January 1969	25.9 °C	2,362 mm	68
1968	31.9 °C29 July 1968	19.3 °C11 February 1968	25.3 °C	1,955 mm	25
1967	31.9 °C10 March 1967	19.2 °C18 March 1967	25.5 °C	1,149 mm	48
1966	32.1 °C8 March 1966	19.7 °C30 November 1966	25.6 °C	1,610 mm	40
1965	31.4 °C25 February 1965	18.5 °C30 January 1965	25.5 °C	1,686 mm	21
1964	32.0 °C6 March 1964	20.1 °C12 January 1964	25.4 °C	1,360 mm	24
1963	30.8 °C23 March 1963	18.7 °C26 December 1963	25.4 °C	1,888 mm	20
1962	30.8 °C23 January 1962	19.1 °C4 January 1962	25.2 °C	1,631 mm	14
1961	31.6 °C19 April 1961	19.9 °C3 December 1961	25.4 °C	1,709 mm	36
1960	32.4 °C21 March 1960	19.4 °C3 December 1960	25.3 °C	2,389 mm	25
1959	31.8 °C7 February 1959	19.7 °C30 November 1959	25.4 °C	1,497 mm	42
1958	32.0 °C21 March 1958	18.6 °C6 February 1958	25.8 °C	1,751 mm	70
1957	32.7 °C7 May 1957	19.1 °C11 December 1957	25.5 °C	1,681 mm	24
1956	31.3 °C29 February 1956	16.6 °C17 January 1956	25.0 °C	1,656 mm	19
1955	32.0 °C27 March 1955	19.3 °C14 January 1955	24.9 °C	1,979 mm	20
1954	32.3 °C4 March 1954	18.9 °C8 December 1954	25.2 °C	1,880 mm	29
1953	32.1 °C6 March 1953	18.1 °C12 January 1953	25.7 °C	1,865 mm	55
1952	32.6 °C6 April 1952	19.4 °C18 December 1952	25.5 °C	1,655 mm	37
1951	31.3 °C23 July 1951	18.0 °C5 February 1951	25.5 °C	1,503 mm	42
1950	31.8 °C31 March 1950	18.1 °C29 November 1950	24.8 °C	2,381 mm	11
1949	32.2 °C22 February 1949	19.1 °C19 November 1949	25.1 °C	1,867 mm	20
1948	32.0 °C13 March 1948	18.7 °C16 January 1948	25.3 °C	2,096 mm	15
1947	31.7 °C26 March 1947	19.6 °C31 January 1947	25.2 °C	1,792 mm	13
1946	32.0 °C1 February 1946	19.4 °C15 March 1946	25.2 °C	1,436 mm	12
1945	31.3 °C7 April 1945	19.1 °C9 December 1945	25.1 °C	2,093 mm	20
1944	31.4 °C6 April 1944	19.4 °C8 January 1944	25.3 °C	1,422 mm	29
1943	31.9 °C18 July 1943	17.8 °C22 December 1943	25.0 °C	1,613 mm	17
1942	33.1 °C1 April 1942	19.9 °C3 January 1942	25.2 °C	1,893 mm	41
1941	33.0 °C26 April 1941	18.5 °C17 January 1941	25.6 °C	1,137 mm	72
1940	31.5 °C15 March 1940	18.6 °C25 December 1940	25.4 °C	1,237 mm	30

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

29.8 °C

+1.0 °C

Hot days (≥ 30 °C)

154 d/yr

+90

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1347 mm

-301 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.2 °C	+1.1 °C	5 mm	-1 mm
Feb	30.5 °C	+1.2 °C	19 mm	+13 mm
Mar	30.3 °C	+0.6 °C	15 mm	0 mm
Apr	31.0 °C	+1.1 °C	22 mm	-22 mm
May	30.4 °C	+1.3 °C	108 mm	-60 mm
Jun	29.1 °C	+0.8 °C	380 mm	+82 mm
Jul	29.9 °C	+1.3 °C	115 mm	-93 mm
Aug	29.6 °C	+1.2 °C	143 mm	-88 mm
Sep	29.2 °C	+1.4 °C	200 mm	-131 mm
Oct	28.9 °C	+1.0 °C	257 mm	-8 mm
Nov	29.5 °C	+1.0 °C	32 mm	-32 mm
Dec	29.4 °C	+0.5 °C	51 mm	+38 mm

The year's extremes

Hottest day

33.2 °C

19 Jul 2025

Coldest day

20.9 °C

18 Jan 2025

Wettest day

48.0 mm

16 Jun 2025

Windiest day

20.6 km/h

16 Jun 2025

Strongest gust

38.2 km/h

17 Jun 2025

Hottest feels-like

39.9 °C

19 Jul 2025

Coldest feels-like

22.7 °C

18 Jan 2025

Sunniest day

12.2 h

16 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 Guazacapán?

Guazacapán has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 1,648 mm of precipitation per year.

What is the hottest day ever recorded in Guazacapán?

The hottest day measured in Guazacapán between 1940 and 2025 was 3 March 2017, reaching 34.6 °C.

What is the coldest day in Guazacapán?

The coldest day measured in Guazacapán between 1940 and 2025 was 17 January 1956, at 16.6 °C.

Does it snow in Guazacapán?

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

Has the climate of Guazacapán warmed?

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

What is the wettest day in Guazacapán?

The wettest day measured in Guazacapán between 1940 and 2025 was 4 September 1969, with 301 mm of rain in 24 hours.

What was the windiest day in Guazacapán?

The windiest day measured in Guazacapán between 1940 and 2025 was 28 January 1988, with winds reaching 40.6 km/h.

What is the warmest month in Guazacapán?

The warmest month in Guazacapán is April (26.8 °C on average); the coldest is January (25.2 °C).

How much does it rain in Guazacapán?

Guazacapán receives on average 1,648 mm of precipitation per year, spread over about 202 rainy days.

Is it sunny in Guazacapán?

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

Are there tropical nights in Guazacapán?

Yes: Guazacapán has on average 360 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Guazacapán?

In Guazacapán, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 19 July 2025, and the lowest was 14.2 °C on 9 January 1956.

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