Gualan climate — normals and trends

Q: What is the climate of Gualan?

Gualan has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 22.0 °C and it receives 2,180 mm of precipitation per year.

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

The hottest day measured in Gualan between 1940 and 2025 was 18 May 2024, reaching 39.1 °C.

Q: What is the coldest day in Gualan?

The coldest day measured in Gualan between 1940 and 2025 was 6 December 1945, at 6.4 °C.

Q: Does it snow in Gualan?

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

Q: Has the climate of Gualan warmed?

Yes: Gualan warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Gualan?

The wettest day measured in Gualan between 1940 and 2025 was 21 November 1971, with 118 mm of rain in 24 hours.

Q: What was the windiest day in Gualan?

The windiest day measured in Gualan between 1940 and 2025 was 16 March 1983, with winds reaching 24.9 km/h.

Q: What is the warmest month in Gualan?

The warmest month in Gualan is May (24.1 °C on average); the coldest is January (19.5 °C).

Q: How much does it rain in Gualan?

Gualan receives on average 2,180 mm of precipitation per year, spread over about 274 rainy days.

Q: Is it sunny in Gualan?

Gualan gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Gualan (Guatemala) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 22.0 °C and it receives 2,180 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 May (24.1 °C on average) and the coldest is January (19.5 °C). Rainfall peaks in June.

Gualan averages 0 frost days, 54 hot days (≥ 30 °C) and 274 rainy days per year.

Gualan has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.1 °C (on 18 May 2024) and the coldest 6.4 °C (on 6 December 1945).

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

GualanZacapa

coords: 15.12°, -89.36°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthMayColdest monthJanuaryWettest monthJuneDriest monthMarch

Mean daily temperature

22.0°C

Average daily high

26.7°C

Average daily low

18.7°C

Annual rainfall

2,180mm

Sunshine / day

9.3h

Mean relative humidity

86%

Average peak wind

9.0km/h

Seasonal range

4.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

54 d/yr

Rainy days (≥ 1 mm)

274 d/yr

Annual snowfall

0.0 cm

Average feels-like high

30.3 °C

Average feels-like low

21.3 °C

Average peak gust

30.7 km/h

Tropical nights (≥ 20 °C)

108 d/yr

Solar radiation

17.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.1 °C

since 1940

+0.3 °C per decade · r² = 0.75 · 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

39.1 °C

18 May 2024

Coldest day

6.4 °C

6 December 1945

Wettest day

118 mm

21 November 1971

Windiest day

24.9 km/h

16 March 1983

Strongest gust

79.2 km/h

16 March 1983

Hottest feels-like

43.7 °C

18 May 2024

Coldest feels-like

4.8 °C

6 December 1945

Sunniest day

12.3 h

23 May 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	36.4 °C20 May 2025	13.0 °C18 January 2025	23.4 °C	2,302 mm	97
2024	39.1 °C18 May 2024	10.8 °C23 February 2024	24.2 °C	1,835 mm	169
2023	37.2 °C4 June 2023	11.5 °C16 January 2023	23.8 °C	2,006 mm	142
2022	36.3 °C5 April 2022	13.4 °C31 January 2022	23.1 °C	2,463 mm	93
2021	36.3 °C11 April 2021	12.3 °C3 February 2021	23.3 °C	1,982 mm	138
2020	37.0 °C26 May 2020	12.4 °C23 January 2020	23.4 °C	2,367 mm	142
2019	36.0 °C9 May 2019	12.0 °C29 January 2019	23.3 °C	1,899 mm	124
2018	34.7 °C29 May 2018	11.6 °C10 January 2018	22.7 °C	1,949 mm	79
2017	38.8 °C30 April 2017	11.6 °C25 January 2017	23.0 °C	2,140 mm	109
2016	36.5 °C30 April 2016	10.7 °C25 January 2016	23.1 °C	1,984 mm	112
2015	37.2 °C28 April 2015	12.2 °C17 February 2015	23.0 °C	2,043 mm	47
2014	36.3 °C28 April 2014	9.5 °C17 January 2014	22.6 °C	2,229 mm	53
2013	36.2 °C24 March 2013	9.8 °C4 March 2013	22.9 °C	2,297 mm	84
2012	34.6 °C3 April 2012	10.4 °C25 December 2012	22.5 °C	1,965 mm	73
2011	36.2 °C19 May 2011	11.6 °C8 January 2011	22.9 °C	2,066 mm	116
2010	36.7 °C25 April 2010	8.7 °C16 December 2010	22.8 °C	2,134 mm	105
2009	35.8 °C13 April 2009	11.0 °C4 March 2009	22.6 °C	1,811 mm	77
2008	34.8 °C2 May 2008	11.7 °C14 December 2008	22.2 °C	2,333 mm	80
2007	34.6 °C11 April 2007	11.1 °C21 February 2007	22.3 °C	1,946 mm	72
2006	33.8 °C7 May 2006	11.7 °C23 November 2006	22.3 °C	2,274 mm	51
2005	36.4 °C27 March 2005	9.6 °C24 November 2005	22.7 °C	2,225 mm	97
2004	33.8 °C11 April 2004	11.2 °C20 February 2004	22.1 °C	2,076 mm	47
2003	37.3 °C26 April 2003	10.5 °C8 December 2003	22.4 °C	1,975 mm	94
2002	33.0 °C14 June 2002	11.0 °C10 January 2002	22.2 °C	1,784 mm	36
2001	33.3 °C15 March 2001	9.7 °C24 January 2001	21.6 °C	1,976 mm	28
2000	34.0 °C24 April 2000	10.7 °C28 January 2000	21.6 °C	2,368 mm	27
1999	34.0 °C15 April 1999	8.2 °C29 December 1999	21.7 °C	2,170 mm	40
1998	37.4 °C8 April 1998	10.4 °C4 February 1998	23.1 °C	2,295 mm	96
1997	34.4 °C2 May 1997	9.9 °C16 December 1997	22.6 °C	1,975 mm	37
1996	33.5 °C13 April 1996	8.3 °C13 March 1996	21.9 °C	2,307 mm	31
1995	34.2 °C19 April 1995	12.0 °C1 January 1995	22.6 °C	2,244 mm	65
1994	34.1 °C28 March 1994	11.5 °C7 January 1994	22.2 °C	1,773 mm	40
1993	35.5 °C15 April 1993	11.2 °C10 January 1993	22.3 °C	2,176 mm	59
1992	35.3 °C20 April 1992	13.3 °C7 February 1992	22.2 °C	2,165 mm	50
1991	35.9 °C23 April 1991	11.2 °C5 March 1991	22.3 °C	2,112 mm	61
1990	34.4 °C27 April 1990	13.9 °C10 December 1990	22.0 °C	2,189 mm	26
1989	32.9 °C4 March 1989	8.6 °C27 December 1989	21.9 °C	2,243 mm	30
1988	35.9 °C20 May 1988	12.1 °C28 January 1988	22.4 °C	2,343 mm	74
1987	35.5 °C26 March 1987	10.1 °C6 January 1987	22.1 °C	1,913 mm	50
1986	33.9 °C18 May 1986	10.1 °C28 January 1986	21.7 °C	2,028 mm	47
1985	34.8 °C19 May 1985	10.2 °C28 January 1985	21.8 °C	2,132 mm	24
1984	36.6 °C11 April 1984	9.7 °C25 November 1984	22.0 °C	2,647 mm	49
1983	35.0 °C22 April 1983	13.1 °C27 December 1983	22.7 °C	2,302 mm	81
1982	33.4 °C29 April 1982	13.8 °C18 December 1982	22.3 °C	2,049 mm	59
1981	33.4 °C30 March 1981	9.0 °C1 January 1981	22.0 °C	2,288 mm	43
1980	34.3 °C2 May 1980	9.5 °C29 December 1980	22.2 °C	2,209 mm	46
1979	34.3 °C12 April 1979	12.0 °C27 February 1979	22.2 °C	2,285 mm	45
1978	35.9 °C6 May 1978	8.0 °C7 February 1978	22.1 °C	2,314 mm	51
1977	34.0 °C28 March 1977	10.4 °C20 January 1977	21.9 °C	1,955 mm	28
1976	32.4 °C14 May 1976	11.1 °C19 January 1976	21.3 °C	2,229 mm	20
1975	34.5 °C6 May 1975	9.9 °C23 December 1975	21.9 °C	2,140 mm	64
1974	36.1 °C12 May 1974	12.5 °C12 February 1974	21.7 °C	2,291 mm	41
1973	35.9 °C28 March 1973	9.4 °C19 December 1973	22.2 °C	2,225 mm	52
1972	34.3 °C30 March 1972	12.5 °C28 December 1972	22.0 °C	2,197 mm	32
1971	34.7 °C29 April 1971	11.6 °C15 February 1971	21.8 °C	2,181 mm	37
1970	33.5 °C19 April 1970	11.0 °C5 February 1970	21.7 °C	2,324 mm	47
1969	37.9 °C4 May 1969	13.2 °C22 November 1969	22.2 °C	2,612 mm	54
1968	33.2 °C24 May 1968	10.6 °C25 March 1968	21.4 °C	2,615 mm	19
1967	33.2 °C31 May 1967	10.8 °C18 March 1967	21.5 °C	2,185 mm	28
1966	33.0 °C4 April 1966	10.8 °C22 December 1966	21.4 °C	2,384 mm	13
1965	35.1 °C26 April 1965	11.8 °C18 January 1965	21.7 °C	2,166 mm	38
1964	35.7 °C3 May 1964	11.8 °C1 January 1964	21.9 °C	2,020 mm	44
1963	33.0 °C10 April 1963	8.9 °C6 February 1963	21.5 °C	2,027 mm	30
1962	33.3 °C12 March 1962	11.5 °C5 November 1962	21.2 °C	2,299 mm	28
1961	35.8 °C15 April 1961	13.7 °C27 December 1961	21.3 °C	2,236 mm	37
1960	34.6 °C30 April 1960	7.8 °C1 February 1960	21.2 °C	2,264 mm	40
1959	32.6 °C21 April 1959	12.0 °C30 November 1959	21.2 °C	2,152 mm	17
1958	35.3 °C5 April 1958	10.2 °C12 January 1958	21.8 °C	2,293 mm	37
1957	33.8 °C23 May 1957	11.0 °C28 February 1957	21.4 °C	2,281 mm	46
1956	33.9 °C10 April 1956	7.1 °C15 January 1956	20.7 °C	2,494 mm	12
1955	35.8 °C28 April 1955	12.6 °C21 January 1955	21.4 °C	1,896 mm	36
1954	33.2 °C13 March 1954	11.0 °C10 February 1954	21.1 °C	2,646 mm	16
1953	35.5 °C9 April 1953	10.1 °C11 January 1953	22.0 °C	2,272 mm	56
1952	34.7 °C26 March 1952	10.4 °C6 February 1952	21.7 °C	2,337 mm	39
1951	34.5 °C10 April 1951	9.3 °C12 January 1951	21.6 °C	2,078 mm	30
1950	32.1 °C25 April 1950	11.0 °C12 December 1950	20.7 °C	2,235 mm	15
1949	33.4 °C4 April 1949	13.2 °C19 November 1949	21.2 °C	2,063 mm	23
1948	33.9 °C1 April 1948	12.1 °C15 January 1948	21.4 °C	2,564 mm	14
1947	32.9 °C3 April 1947	9.7 °C16 February 1947	21.7 °C	2,186 mm	21
1946	31.7 °C28 May 1946	12.3 °C24 March 1946	21.2 °C	2,038 mm	35
1945	35.0 °C25 April 1945	6.4 °C6 December 1945	21.3 °C	2,037 mm	32
1944	33.9 °C17 April 1944	11.0 °C8 January 1944	21.1 °C	1,971 mm	36
1943	30.6 °C11 April 1943	10.6 °C22 December 1943	20.6 °C	2,395 mm	3
1942	33.3 °C26 March 1942	13.0 °C3 March 1942	21.1 °C	2,416 mm	23
1941	35.3 °C7 April 1941	7.5 °C13 February 1941	21.1 °C	2,163 mm	30
1940	33.5 °C7 April 1940	11.4 °C25 December 1940	21.3 °C	2,017 mm	40

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

28.1 °C

+1.4 °C

Hot days (≥ 30 °C)

97 d/yr

+43

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2302 mm

+122 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	24.5 °C	+1.0 °C	133 mm	+34 mm
Feb	26.6 °C	+1.6 °C	117 mm	+47 mm
Mar	29.4 °C	+1.9 °C	48 mm	-16 mm
Apr	29.1 °C	-0.2 °C	55 mm	-21 mm
May	32.7 °C	+3.1 °C	67 mm	-105 mm
Jun	29.5 °C	+1.1 °C	389 mm	+73 mm
Jul	28.4 °C	+1.3 °C	238 mm	-53 mm
Aug	29.3 °C	+1.8 °C	264 mm	-4 mm
Sep	29.4 °C	+1.6 °C	407 mm	+94 mm
Oct	28.1 °C	+1.8 °C	209 mm	-35 mm
Nov	25.1 °C	+0.6 °C	110 mm	-42 mm
Dec	24.9 °C	+1.4 °C	265 mm	+151 mm

The year's extremes

Hottest day

36.4 °C

20 May 2025

Coldest day

13.0 °C

18 Jan 2025

Wettest day

76.6 mm

23 Sep 2025

Windiest day

15.7 km/h

15 Mar 2025

Strongest gust

50.0 km/h

11 Nov 2025

Hottest feels-like

41.4 °C

20 May 2025

Coldest feels-like

13.4 °C

18 Jan 2025

Sunniest day

12.2 h

20 May 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 Gualan?

Gualan has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 22.0 °C and it receives 2,180 mm of precipitation per year.

What is the hottest day ever recorded in Gualan?

The hottest day measured in Gualan between 1940 and 2025 was 18 May 2024, reaching 39.1 °C.

What is the coldest day in Gualan?

The coldest day measured in Gualan between 1940 and 2025 was 6 December 1945, at 6.4 °C.

Does it snow in Gualan?

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

Has the climate of Gualan warmed?

Yes: Gualan warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Gualan?

The wettest day measured in Gualan between 1940 and 2025 was 21 November 1971, with 118 mm of rain in 24 hours.

What was the windiest day in Gualan?

The windiest day measured in Gualan between 1940 and 2025 was 16 March 1983, with winds reaching 24.9 km/h.

What is the warmest month in Gualan?

The warmest month in Gualan is May (24.1 °C on average); the coldest is January (19.5 °C).

How much does it rain in Gualan?

Gualan receives on average 2,180 mm of precipitation per year, spread over about 274 rainy days.

Is it sunny in Gualan?

Gualan gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Are there tropical nights in Gualan?

Yes: Gualan has on average 108 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Gualan?

In Gualan, between 1940 and 2025, the highest apparent temperature reached 43.7 °C on 18 May 2024, and the lowest was 4.8 °C on 6 December 1945.

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