Guamal climate — normals and trends

Q: What is the climate of Guamal?

Guamal has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 2,929 mm of precipitation per year.

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

The hottest day measured in Guamal between 1940 and 2025 was 16 March 2016, reaching 40.4 °C.

Q: What is the coldest day in Guamal?

The coldest day measured in Guamal between 1940 and 2025 was 9 January 1956, at 19.7 °C.

Q: Does it snow in Guamal?

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

Q: Has the climate of Guamal warmed?

Yes: Guamal warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Guamal?

The wettest day measured in Guamal between 1940 and 2025 was 18 August 2007, with 165 mm of rain in 24 hours.

Q: What was the windiest day in Guamal?

The windiest day measured in Guamal between 1940 and 2025 was 7 March 2012, with winds reaching 16.9 km/h.

Q: What is the warmest month in Guamal?

The warmest month in Guamal is February (28.7 °C on average); the coldest is October (26.6 °C).

Q: How much does it rain in Guamal?

Guamal receives on average 2,929 mm of precipitation per year, spread over about 280 rainy days.

Q: Is it sunny in Guamal?

Guamal gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Guamal (Colombia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 27.6 °C and it receives 2,929 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 February (28.7 °C on average) and the coldest is October (26.6 °C). Rainfall peaks in May.

Guamal averages 0 frost days, 294 hot days (≥ 30 °C) and 280 rainy days per year.

Guamal has warmed by +2.4 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.4 °C (on 16 March 2016) and the coldest 19.7 °C (on 9 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

GuamalMagdalena Department

coords: 9.14°, -74.22°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthFebruaryColdest monthOctoberWettest monthMayDriest monthJanuary

Mean daily temperature

27.6°C

Average daily high

31.9°C

Average daily low

24.5°C

Annual rainfall

2,929mm

Sunshine / day

9.7h

Mean relative humidity

83%

Average peak wind

7.9km/h

Seasonal range

2.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

294 d/yr

Rainy days (≥ 1 mm)

280 d/yr

Annual snowfall

0.0 cm

Average feels-like high

38.5 °C

Average feels-like low

29.5 °C

Average peak gust

23.3 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

18.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.4 °C

since 1940

+0.3 °C per decade · r² = 0.69 · 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

40.4 °C

16 March 2016

Coldest day

19.7 °C

9 January 1956

Wettest day

165 mm

18 August 2007

Windiest day

16.9 km/h

7 March 2012

Strongest gust

52.2 km/h

1 October 2016

Hottest feels-like

46.8 °C

18 March 2024

Coldest feels-like

22.2 °C

9 January 1956

Sunniest day

12.0 h

24 March 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.1 °C23 March 2025	21.7 °C16 October 2025	28.8 °C	2,662 mm	335
2024	39.7 °C13 April 2024	22.8 °C17 August 2024	29.2 °C	2,559 mm	346
2023	37.8 °C2 April 2023	23.2 °C4 October 2023	29.1 °C	2,416 mm	348
2022	37.6 °C23 March 2022	22.4 °C20 June 2022	28.1 °C	2,841 mm	334
2021	38.1 °C24 February 2021	23.1 °C1 November 2021	28.4 °C	2,570 mm	320
2020	39.1 °C19 February 2020	23.2 °C25 September 2020	28.7 °C	2,261 mm	335
2019	38.4 °C24 January 2019	22.8 °C19 October 2019	29.2 °C	1,956 mm	342
2018	38.8 °C9 March 2018	23.3 °C9 October 2018	28.8 °C	1,997 mm	344
2017	38.4 °C2 March 2017	23.1 °C7 September 2017	28.9 °C	2,214 mm	349
2016	40.4 °C16 March 2016	23.1 °C4 August 2016	29.3 °C	2,593 mm	347
2015	38.8 °C10 March 2015	23.4 °C2 November 2015	29.5 °C	2,068 mm	353
2014	38.5 °C22 July 2014	23.0 °C20 October 2014	29.0 °C	2,248 mm	353
2013	38.7 °C31 January 2013	22.7 °C1 November 2013	28.7 °C	2,704 mm	347
2012	40.0 °C4 March 2012	22.7 °C18 September 2012	28.6 °C	2,577 mm	351
2011	36.3 °C1 February 2011	22.7 °C13 March 2011	27.8 °C	3,399 mm	320
2010	38.3 °C2 February 2010	22.9 °C21 December 2010	28.2 °C	3,423 mm	323
2009	36.6 °C12 February 2009	23.1 °C16 September 2009	28.5 °C	2,693 mm	346
2008	35.6 °C26 January 2008	22.5 °C4 February 2008	27.6 °C	2,833 mm	311
2007	39.3 °C27 February 2007	22.6 °C16 December 2007	28.0 °C	3,466 mm	313
2006	36.9 °C1 July 2006	22.6 °C15 December 2006	28.0 °C	2,871 mm	330
2005	37.1 °C15 March 2005	22.6 °C16 December 2005	28.1 °C	2,744 mm	337
2004	38.6 °C24 March 2004	22.6 °C24 January 2004	28.2 °C	2,506 mm	334
2003	38.6 °C13 March 2003	22.9 °C2 June 2003	28.3 °C	2,608 mm	342
2002	39.2 °C18 March 2002	22.5 °C27 August 2002	28.6 °C	2,076 mm	354
2001	36.5 °C28 June 2001	22.4 °C23 January 2001	27.8 °C	2,108 mm	330
2000	35.7 °C28 March 2000	22.0 °C5 September 2000	27.4 °C	2,469 mm	331
1999	35.6 °C17 April 1999	21.7 °C22 September 1999	26.9 °C	3,072 mm	265
1998	38.3 °C17 February 1998	22.8 °C28 September 1998	28.2 °C	2,743 mm	318
1997	37.9 °C24 July 1997	22.0 °C28 March 1997	28.4 °C	2,006 mm	339
1996	35.9 °C26 February 1996	21.2 °C13 January 1996	27.1 °C	3,049 mm	294
1995	38.1 °C15 February 1995	21.9 °C19 August 1995	27.7 °C	2,782 mm	300
1994	36.0 °C29 January 1994	22.3 °C4 October 1994	27.5 °C	2,742 mm	306
1993	37.3 °C13 March 1993	21.9 °C29 September 1993	27.5 °C	3,091 mm	307
1992	37.3 °C25 February 1992	22.2 °C15 July 1992	27.6 °C	2,956 mm	303
1991	38.2 °C25 February 1991	22.5 °C26 October 1991	27.8 °C	2,936 mm	317
1990	37.1 °C9 March 1990	22.6 °C25 December 1990	27.5 °C	2,698 mm	307
1989	37.3 °C14 February 1989	22.2 °C17 February 1989	27.1 °C	3,043 mm	288
1988	37.0 °C24 March 1988	22.5 °C2 July 1988	27.3 °C	3,470 mm	285
1987	37.1 °C24 February 1987	22.5 °C8 January 1987	27.8 °C	3,063 mm	314
1986	35.1 °C26 March 1986	21.9 °C2 April 1986	27.2 °C	2,633 mm	286
1985	37.0 °C2 March 1985	21.8 °C30 December 1985	27.1 °C	2,799 mm	279
1984	35.1 °C15 March 1984	21.8 °C14 February 1984	26.6 °C	3,266 mm	255
1983	36.3 °C5 February 1983	22.3 °C17 October 1983	27.6 °C	2,885 mm	290
1982	35.7 °C27 August 1982	22.4 °C8 January 1982	27.5 °C	2,664 mm	318
1981	36.9 °C11 February 1981	21.9 °C2 September 1981	27.3 °C	3,370 mm	307
1980	38.4 °C29 March 1980	22.7 °C9 November 1980	28.2 °C	2,385 mm	338
1979	36.8 °C11 February 1979	22.1 °C7 January 1979	27.8 °C	3,273 mm	325
1978	36.5 °C2 February 1978	22.6 °C14 January 1978	27.4 °C	3,681 mm	310
1977	38.3 °C10 March 1977	22.5 °C10 August 1977	27.9 °C	3,493 mm	318
1976	35.7 °C31 August 1976	21.2 °C2 January 1976	27.7 °C	2,522 mm	334
1975	35.5 °C29 January 1975	21.5 °C30 December 1975	27.1 °C	3,967 mm	271
1974	35.8 °C29 January 1974	21.5 °C28 December 1974	27.0 °C	3,431 mm	290
1973	38.3 °C2 February 1973	21.9 °C24 December 1973	27.7 °C	3,532 mm	310
1972	39.9 °C31 July 1972	22.2 °C16 January 1972	28.0 °C	2,815 mm	332
1971	36.0 °C21 July 1971	21.0 °C15 August 1971	27.0 °C	3,628 mm	302
1970	37.9 °C15 February 1970	22.5 °C29 November 1970	27.4 °C	4,085 mm	315
1969	36.5 °C21 July 1969	22.4 °C5 October 1969	27.9 °C	3,219 mm	323
1968	35.7 °C14 August 1968	22.7 °C6 December 1968	27.6 °C	3,258 mm	330
1967	37.0 °C5 April 1967	22.5 °C13 September 1967	27.8 °C	2,577 mm	336
1966	37.2 °C9 March 1966	22.0 °C6 October 1966	27.6 °C	3,226 mm	321
1965	36.4 °C5 February 1965	21.7 °C1 January 1965	27.6 °C	2,829 mm	328
1964	35.3 °C9 February 1964	21.7 °C29 December 1964	27.2 °C	2,829 mm	296
1963	37.0 °C29 January 1963	22.1 °C9 February 1963	27.3 °C	3,135 mm	302
1962	36.1 °C20 February 1962	21.7 °C10 January 1962	27.3 °C	2,931 mm	299
1961	36.9 °C5 March 1961	21.7 °C24 September 1961	27.4 °C	2,526 mm	302
1960	35.2 °C1 March 1960	22.0 °C15 October 1960	26.8 °C	3,306 mm	279
1959	36.0 °C11 February 1959	22.2 °C1 October 1959	27.2 °C	2,774 mm	308
1958	37.4 °C11 March 1958	22.7 °C22 September 1958	27.9 °C	2,943 mm	345
1957	35.6 °C15 August 1957	21.7 °C11 January 1957	27.5 °C	2,233 mm	316
1956	32.9 °C19 August 1956	19.7 °C9 January 1956	26.0 °C	3,223 mm	149
1955	33.1 °C26 March 1955	21.7 °C2 January 1955	26.0 °C	3,208 mm	168
1954	33.2 °C3 March 1954	21.7 °C23 November 1954	26.2 °C	3,189 mm	183
1953	35.7 °C16 March 1953	22.8 °C14 January 1953	27.0 °C	2,864 mm	267
1952	35.4 °C23 March 1952	22.1 °C15 January 1952	26.8 °C	3,125 mm	243
1951	35.6 °C19 March 1951	21.3 °C9 January 1951	26.6 °C	3,101 mm	242
1950	32.8 °C31 May 1950	21.8 °C9 January 1950	25.9 °C	3,853 mm	171
1949	35.2 °C20 February 1949	20.8 °C17 December 1949	26.6 °C	3,034 mm	228
1948	34.5 °C16 February 1948	22.3 °C21 April 1948	26.3 °C	3,802 mm	167
1947	33.2 °C15 March 1947	21.7 °C3 January 1947	25.9 °C	3,702 mm	116
1946	34.0 °C9 February 1946	22.1 °C15 November 1946	26.3 °C	3,123 mm	185
1945	34.9 °C16 March 1945	21.2 °C13 January 1945	26.1 °C	3,539 mm	150
1944	35.0 °C28 March 1944	21.9 °C16 October 1944	26.7 °C	3,391 mm	230
1943	33.4 °C16 February 1943	21.2 °C22 January 1943	26.1 °C	3,248 mm	197
1942	34.1 °C21 March 1942	21.6 °C6 January 1942	26.1 °C	3,835 mm	181
1941	36.8 °C22 March 1941	22.3 °C12 January 1941	27.4 °C	2,013 mm	296
1940	34.1 °C15 March 1940	22.1 °C26 January 1940	26.3 °C	2,929 mm	166

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

32.9 °C

+1.0 °C

Hot days (≥ 30 °C)

335 d/yr

+41

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2662 mm

-267 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	34.1 °C	+1.3 °C	36 mm	-9 mm
Feb	35.3 °C	+1.6 °C	40 mm	-27 mm
Mar	34.5 °C	+1.0 °C	165 mm	+37 mm
Apr	33.0 °C	+0.9 °C	277 mm	-22 mm
May	32.2 °C	+0.9 °C	382 mm	-35 mm
Jun	32.0 °C	+0.6 °C	319 mm	-33 mm
Jul	33.6 °C	+1.6 °C	198 mm	-68 mm
Aug	32.5 °C	+0.7 °C	234 mm	-66 mm
Sep	32.0 °C	+0.9 °C	284 mm	-47 mm
Oct	31.3 °C	+0.7 °C	412 mm	+51 mm
Nov	32.3 °C	+1.5 °C	225 mm	-32 mm
Dec	32.7 °C	+1.1 °C	92 mm	-15 mm

The year's extremes

Hottest day

39.1 °C

23 Mar 2025

Coldest day

21.7 °C

16 Oct 2025

Wettest day

47.5 mm

13 Jun 2025

Windiest day

14.9 km/h

25 Mar 2025

Strongest gust

36.4 km/h

17 Jul 2025

Hottest feels-like

45.4 °C

10 Sep 2025

Coldest feels-like

25.6 °C

16 Oct 2025

Sunniest day

12.0 h

23 Mar 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 Guamal?

Guamal has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 2,929 mm of precipitation per year.

What is the hottest day ever recorded in Guamal?

The hottest day measured in Guamal between 1940 and 2025 was 16 March 2016, reaching 40.4 °C.

What is the coldest day in Guamal?

The coldest day measured in Guamal between 1940 and 2025 was 9 January 1956, at 19.7 °C.

Does it snow in Guamal?

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

Has the climate of Guamal warmed?

Yes: Guamal warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Guamal?

The wettest day measured in Guamal between 1940 and 2025 was 18 August 2007, with 165 mm of rain in 24 hours.

What was the windiest day in Guamal?

The windiest day measured in Guamal between 1940 and 2025 was 7 March 2012, with winds reaching 16.9 km/h.

What is the warmest month in Guamal?

The warmest month in Guamal is February (28.7 °C on average); the coldest is October (26.6 °C).

How much does it rain in Guamal?

Guamal receives on average 2,929 mm of precipitation per year, spread over about 280 rainy days.

Is it sunny in Guamal?

Guamal gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Are there tropical nights in Guamal?

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

What was the most extreme apparent temperature in Guamal?

In Guamal, between 1940 and 2025, the highest apparent temperature reached 46.8 °C on 18 March 2024, and the lowest was 22.2 °C on 9 January 1956.

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