Santa Lucía Cotzumalguapa climate — normals and trends

Q: What is the climate of Santa Lucía Cotzumalguapa?

Santa Lucía Cotzumalguapa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.4 °C and it receives 2,118 mm of precipitation per year.

Q: What is the hottest day ever recorded in Santa Lucía Cotzumalguapa?

The hottest day measured in Santa Lucía Cotzumalguapa between 1940 and 2025 was 1 April 2021, reaching 36.7 °C.

Q: What is the coldest day in Santa Lucía Cotzumalguapa?

The coldest day measured in Santa Lucía Cotzumalguapa between 1940 and 2025 was 25 December 1940, at 11.7 °C.

Q: Does it snow in Santa Lucía Cotzumalguapa?

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

Q: Has the climate of Santa Lucía Cotzumalguapa warmed?

Yes: Santa Lucía Cotzumalguapa warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Santa Lucía Cotzumalguapa?

The wettest day measured in Santa Lucía Cotzumalguapa between 1940 and 2025 was 29 September 1997, with 258 mm of rain in 24 hours.

Q: What was the windiest day in Santa Lucía Cotzumalguapa?

The windiest day measured in Santa Lucía Cotzumalguapa between 1940 and 2025 was 18 March 2003, with winds reaching 24.9 km/h.

Q: What is the warmest month in Santa Lucía Cotzumalguapa?

The warmest month in Santa Lucía Cotzumalguapa is April (26.1 °C on average); the coldest is December (23.5 °C).

Q: How much does it rain in Santa Lucía Cotzumalguapa?

Santa Lucía Cotzumalguapa receives on average 2,118 mm of precipitation per year, spread over about 221 rainy days.

Q: Is it sunny in Santa Lucía Cotzumalguapa?

Santa Lucía Cotzumalguapa gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.

Santa Lucía Cotzumalguapa (Guatemala) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.4 °C and it receives 2,118 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 (26.1 °C on average) and the coldest is December (23.5 °C). Rainfall peaks in September.

Santa Lucía Cotzumalguapa averages 0 frost days, 143 hot days (≥ 30 °C) and 221 rainy days per year.

Santa Lucía Cotzumalguapa has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.7 °C (on 1 April 2021) and the coldest 11.7 °C (on 25 December 1940).

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

Santa Lucía CotzumalguapaEscuintla

coords: 14.34°, -91.02°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthFebruary

Mean daily temperature

24.4°C

Average daily high

29.5°C

Average daily low

19.9°C

Annual rainfall

2,118mm

Sunshine / day

10.5h

Mean relative humidity

77%

Average peak wind

8.8km/h

Seasonal range

2.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

143 d/yr

Rainy days (≥ 1 mm)

221 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.2 °C

Average feels-like low

22.0 °C

Average peak gust

28.3 km/h

Tropical nights (≥ 20 °C)

197 d/yr

Solar radiation

19.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.3 °C

since 1940

+0.3 °C per decade · r² = 0.80 · 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

36.7 °C

1 April 2021

Coldest day

11.7 °C

25 December 1940

Wettest day

258 mm

29 September 1997

Windiest day

24.9 km/h

18 March 2003

Strongest gust

63.7 km/h

17 June 2024

Hottest feels-like

41.5 °C

4 May 2024

Coldest feels-like

10.0 °C

25 December 1940

Sunniest day

12.4 h

12 July 1943

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.9 °C16 April 2025	16.8 °C18 January 2025	26.0 °C	1,652 mm	279
2024	36.2 °C22 March 2024	15.3 °C13 January 2024	26.2 °C	2,641 mm	297
2023	35.8 °C18 May 2023	16.0 °C25 January 2023	26.2 °C	1,797 mm	317
2022	35.3 °C5 April 2022	16.5 °C19 January 2022	25.5 °C	2,208 mm	243
2021	36.7 °C1 April 2021	15.8 °C7 February 2021	25.6 °C	1,637 mm	279
2020	35.7 °C8 April 2020	16.3 °C29 December 2020	25.8 °C	2,432 mm	266
2019	36.4 °C14 April 2019	17.1 °C8 January 2019	25.8 °C	1,820 mm	303
2018	35.6 °C11 March 2018	14.5 °C12 January 2018	25.5 °C	1,963 mm	289
2017	35.4 °C3 March 2017	14.7 °C25 January 2017	25.6 °C	2,083 mm	275
2016	35.2 °C27 February 2016	16.4 °C23 November 2016	25.7 °C	1,993 mm	255
2015	36.3 °C5 January 2015	16.8 °C29 January 2015	25.9 °C	1,616 mm	286
2014	35.4 °C9 April 2014	15.2 °C27 October 2014	25.5 °C	1,788 mm	270
2013	35.0 °C1 April 2013	16.1 °C24 February 2013	25.4 °C	2,087 mm	219
2012	35.6 °C5 March 2012	14.8 °C26 December 2012	25.1 °C	1,643 mm	201
2011	34.3 °C28 March 2011	15.5 °C10 January 2011	25.1 °C	2,092 mm	230
2010	36.6 °C24 April 2010	14.1 °C17 December 2010	25.4 °C	2,439 mm	206
2009	35.1 °C4 February 2009	15.0 °C23 December 2009	25.2 °C	1,658 mm	229
2008	33.7 °C11 December 2008	15.5 °C20 December 2008	24.6 °C	1,902 mm	182
2007	34.3 °C18 April 2007	15.0 °C2 February 2007	24.8 °C	2,147 mm	188
2006	33.9 °C31 March 2006	13.3 °C11 March 2006	24.8 °C	2,277 mm	158
2005	34.7 °C26 March 2005	15.9 °C9 February 2005	24.9 °C	2,607 mm	178
2004	34.9 °C10 April 2004	15.2 °C27 January 2004	24.7 °C	1,923 mm	142
2003	35.2 °C27 April 2003	14.3 °C10 December 2003	25.0 °C	1,913 mm	166
2002	33.9 °C7 May 2002	15.1 °C11 January 2002	25.0 °C	1,990 mm	189
2001	34.6 °C11 February 2001	16.3 °C3 December 2001	24.5 °C	1,686 mm	126
2000	34.8 °C9 April 2000	15.4 °C1 January 2000	24.5 °C	1,921 mm	134
1999	33.7 °C17 April 1999	14.4 °C30 December 1999	24.3 °C	2,368 mm	134
1998	36.1 °C12 March 1998	14.6 °C3 February 1998	25.4 °C	2,494 mm	180
1997	35.9 °C5 May 1997	15.8 °C25 December 1997	25.0 °C	2,317 mm	172
1996	34.2 °C28 March 1996	13.0 °C14 January 1996	24.4 °C	2,126 mm	118
1995	33.1 °C9 March 1995	15.7 °C10 February 1995	24.5 °C	2,737 mm	109
1994	34.1 °C6 April 1994	15.0 °C30 December 1994	24.5 °C	1,641 mm	139
1993	33.0 °C17 March 1993	14.8 °C10 January 1993	24.5 °C	2,003 mm	141
1992	34.9 °C20 April 1992	13.4 °C9 February 1992	24.5 °C	2,117 mm	139
1991	33.9 °C17 March 1991	15.2 °C27 December 1991	24.4 °C	1,768 mm	123
1990	34.0 °C17 March 1990	15.4 °C23 February 1990	24.3 °C	2,071 mm	111
1989	34.3 °C9 February 1989	13.7 °C27 February 1989	24.0 °C	1,961 mm	107
1988	35.2 °C18 April 1988	15.6 °C20 January 1988	24.5 °C	2,244 mm	126
1987	34.7 °C4 May 1987	14.0 °C28 January 1987	25.0 °C	1,629 mm	176
1986	34.2 °C13 April 1986	15.2 °C29 January 1986	24.1 °C	1,557 mm	101
1985	32.8 °C9 March 1985	14.7 °C28 January 1985	23.9 °C	1,926 mm	76
1984	33.3 °C14 April 1984	14.7 °C14 December 1984	24.0 °C	1,967 mm	96
1983	34.9 °C11 May 1983	15.4 °C30 January 1983	24.8 °C	1,844 mm	152
1982	33.4 °C31 March 1982	16.2 °C31 January 1982	24.5 °C	2,152 mm	137
1981	33.8 °C2 March 1981	14.7 °C1 January 1981	24.2 °C	2,202 mm	102
1980	34.8 °C30 March 1980	14.2 °C28 December 1980	24.6 °C	1,955 mm	143
1979	33.7 °C13 April 1979	13.9 °C7 February 1979	24.5 °C	2,313 mm	119
1978	34.2 °C13 March 1978	14.6 °C17 January 1978	24.4 °C	2,318 mm	126
1977	34.3 °C22 March 1977	14.7 °C3 January 1977	24.3 °C	1,783 mm	120
1976	34.1 °C8 April 1976	15.1 °C13 February 1976	24.1 °C	1,795 mm	107
1975	33.7 °C22 April 1975	14.1 °C11 January 1975	24.0 °C	2,448 mm	122
1974	32.7 °C22 February 1974	14.6 °C15 February 1974	24.0 °C	1,788 mm	118
1973	34.7 °C2 April 1973	14.7 °C20 December 1973	24.4 °C	2,314 mm	125
1972	33.9 °C9 March 1972	15.6 °C23 March 1972	24.3 °C	2,165 mm	109
1971	34.0 °C27 April 1971	15.0 °C24 December 1971	23.8 °C	2,167 mm	97
1970	34.9 °C24 April 1970	13.9 °C18 January 1970	24.3 °C	2,222 mm	129
1969	34.8 °C9 May 1969	12.5 °C21 January 1969	24.3 °C	2,505 mm	107
1968	33.6 °C23 March 1968	15.1 °C23 February 1968	23.6 °C	2,444 mm	50
1967	32.8 °C10 March 1967	15.0 °C14 January 1967	23.9 °C	1,644 mm	91
1966	33.2 °C30 March 1966	15.2 °C1 February 1966	23.8 °C	2,228 mm	62
1965	32.7 °C24 February 1965	14.6 °C3 March 1965	23.8 °C	2,187 mm	78
1964	33.2 °C15 March 1964	15.6 °C11 December 1964	23.8 °C	1,992 mm	84
1963	33.3 °C19 March 1963	15.1 °C6 January 1963	23.8 °C	2,382 mm	83
1962	32.3 °C26 March 1962	14.5 °C5 January 1962	23.5 °C	1,996 mm	47
1961	33.7 °C19 April 1961	15.2 °C3 December 1961	23.7 °C	2,273 mm	91
1960	33.7 °C28 March 1960	14.5 °C5 February 1960	23.7 °C	2,447 mm	107
1959	33.0 °C5 March 1959	15.6 °C14 February 1959	23.7 °C	1,853 mm	110
1958	34.8 °C8 April 1958	15.8 °C9 February 1958	24.2 °C	2,206 mm	109
1957	35.2 °C7 May 1957	14.2 °C20 December 1957	23.8 °C	2,472 mm	87
1956	33.1 °C6 April 1956	12.6 °C17 January 1956	23.2 °C	2,329 mm	60
1955	34.1 °C27 March 1955	15.2 °C23 January 1955	23.4 °C	2,616 mm	109
1954	33.9 °C4 March 1954	14.9 °C8 December 1954	23.6 °C	2,289 mm	88
1953	34.1 °C2 April 1953	14.2 °C14 January 1953	24.2 °C	2,475 mm	105
1952	34.6 °C6 April 1952	15.4 °C14 February 1952	23.9 °C	2,399 mm	112
1951	33.5 °C12 April 1951	13.9 °C6 February 1951	24.1 °C	2,203 mm	109
1950	32.5 °C16 April 1950	14.4 °C29 November 1950	23.2 °C	2,916 mm	54
1949	32.8 °C22 February 1949	14.6 °C19 November 1949	23.5 °C	2,703 mm	67
1948	33.4 °C13 March 1948	15.1 °C16 January 1948	23.7 °C	2,611 mm	82
1947	33.7 °C13 April 1947	15.7 °C2 December 1947	23.8 °C	2,241 mm	90
1946	32.7 °C25 March 1946	15.2 °C22 January 1946	23.6 °C	2,079 mm	83
1945	33.0 °C15 March 1945	14.1 °C9 December 1945	23.5 °C	2,469 mm	68
1944	34.2 °C22 May 1944	15.1 °C21 January 1944	23.7 °C	1,794 mm	98
1943	33.3 °C14 April 1943	14.0 °C21 December 1943	23.3 °C	2,119 mm	39
1942	34.9 °C31 March 1942	15.0 °C3 January 1942	23.7 °C	2,443 mm	93
1941	34.8 °C22 March 1941	14.3 °C17 January 1941	24.1 °C	1,634 mm	132
1940	33.2 °C29 March 1940	11.7 °C25 December 1940	23.9 °C	1,906 mm	118

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

31.2 °C

+1.7 °C

Hot days (≥ 30 °C)

279 d/yr

+136

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1652 mm

-467 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.3 °C	+2.2 °C	11 mm	+2 mm
Feb	32.2 °C	+1.3 °C	18 mm	+9 mm
Mar	33.1 °C	+1.4 °C	16 mm	-5 mm
Apr	33.1 °C	+1.4 °C	50 mm	-14 mm
May	32.4 °C	+2.3 °C	107 mm	-116 mm
Jun	29.8 °C	+1.3 °C	382 mm	+29 mm
Jul	30.9 °C	+2.2 °C	159 mm	-125 mm
Aug	30.6 °C	+2.0 °C	221 mm	-88 mm
Sep	30.1 °C	+2.1 °C	275 mm	-118 mm
Oct	29.5 °C	+1.5 °C	322 mm	-13 mm
Nov	29.8 °C	+1.4 °C	51 mm	-46 mm
Dec	30.3 °C	+1.1 °C	39 mm	+17 mm

The year's extremes

Hottest day

34.9 °C

16 Apr 2025

Coldest day

16.8 °C

18 Jan 2025

Wettest day

74.9 mm

16 Jun 2025

Windiest day

15.6 km/h

7 Oct 2025

Strongest gust

44.6 km/h

4 Feb 2025

Hottest feels-like

40.5 °C

19 Jul 2025

Coldest feels-like

17.4 °C

18 Jan 2025

Sunniest day

12.3 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 Santa Lucía Cotzumalguapa?

Santa Lucía Cotzumalguapa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.4 °C and it receives 2,118 mm of precipitation per year.

What is the hottest day ever recorded in Santa Lucía Cotzumalguapa?

The hottest day measured in Santa Lucía Cotzumalguapa between 1940 and 2025 was 1 April 2021, reaching 36.7 °C.

What is the coldest day in Santa Lucía Cotzumalguapa?

The coldest day measured in Santa Lucía Cotzumalguapa between 1940 and 2025 was 25 December 1940, at 11.7 °C.

Does it snow in Santa Lucía Cotzumalguapa?

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

Has the climate of Santa Lucía Cotzumalguapa warmed?

Yes: Santa Lucía Cotzumalguapa warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Santa Lucía Cotzumalguapa?

The wettest day measured in Santa Lucía Cotzumalguapa between 1940 and 2025 was 29 September 1997, with 258 mm of rain in 24 hours.

What was the windiest day in Santa Lucía Cotzumalguapa?

The windiest day measured in Santa Lucía Cotzumalguapa between 1940 and 2025 was 18 March 2003, with winds reaching 24.9 km/h.

What is the warmest month in Santa Lucía Cotzumalguapa?

The warmest month in Santa Lucía Cotzumalguapa is April (26.1 °C on average); the coldest is December (23.5 °C).

How much does it rain in Santa Lucía Cotzumalguapa?

Santa Lucía Cotzumalguapa receives on average 2,118 mm of precipitation per year, spread over about 221 rainy days.

Is it sunny in Santa Lucía Cotzumalguapa?

Santa Lucía Cotzumalguapa gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.

Are there tropical nights in Santa Lucía Cotzumalguapa?

Yes: Santa Lucía Cotzumalguapa has on average 197 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Santa Lucía Cotzumalguapa?

In Santa Lucía Cotzumalguapa, between 1940 and 2025, the highest apparent temperature reached 41.5 °C on 4 May 2024, and the lowest was 10.0 °C on 25 December 1940.

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