Guamo climate — normals and trends

Q: What is the climate of Guamo?

Guamo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.6 °C and it receives 1,200 mm of precipitation per year.

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

The hottest day measured in Guamo between 1940 and 2025 was 4 February 2010, reaching 41.7 °C.

Q: What is the coldest day in Guamo?

The coldest day measured in Guamo between 1940 and 2025 was 4 January 1968, at 15.9 °C.

Q: Does it snow in Guamo?

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

Q: Has the climate of Guamo warmed?

Yes: Guamo warmed by +3.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Guamo?

The wettest day measured in Guamo between 1940 and 2025 was 16 October 1978, with 84 mm of rain in 24 hours.

Q: What was the windiest day in Guamo?

The windiest day measured in Guamo between 1940 and 2025 was 15 August 1978, with winds reaching 24.8 km/h.

Q: What is the warmest month in Guamo?

The warmest month in Guamo is August (27.6 °C on average); the coldest is November (25.7 °C).

Q: How much does it rain in Guamo?

Guamo receives on average 1,200 mm of precipitation per year, spread over about 177 rainy days.

Q: Is it sunny in Guamo?

Guamo gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Guamo (Colombia) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.6 °C and it receives 1,200 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 August (27.6 °C on average) and the coldest is November (25.7 °C). Rainfall peaks in April.

Guamo averages 0 frost days, 260 hot days (≥ 30 °C) and 177 rainy days per year.

Guamo has warmed by +3.2 °C between 1940 and 2025, or +0.37 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.7 °C (on 4 February 2010) and the coldest 15.9 °C (on 4 January 1968).

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

GuamoTolima Department

coords: 4.03°, -74.97°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAugustColdest monthNovemberWettest monthAprilDriest monthJanuary

Mean daily temperature

26.6°C

Average daily high

31.8°C

Average daily low

22.4°C

Annual rainfall

1,200mm

Sunshine / day

10.4h

Mean relative humidity

67%

Average peak wind

8.6km/h

Seasonal range

1.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

260 d/yr

Rainy days (≥ 1 mm)

177 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.2 °C

Average feels-like low

25.3 °C

Average peak gust

23.6 km/h

Tropical nights (≥ 20 °C)

358 d/yr

Solar radiation

17.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+3.2 °C

since 1940

+0.4 °C per decade · r² = 0.57 · 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

41.7 °C

4 February 2010

Coldest day

15.9 °C

4 January 1968

Wettest day

84 mm

16 October 1978

Windiest day

24.8 km/h

15 August 1978

Strongest gust

56.2 km/h

4 August 1993

Hottest feels-like

43.7 °C

5 February 2010

Coldest feels-like

15.7 °C

4 January 1968

Sunniest day

12.0 h

1 April 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	36.8 °C14 September 2025	20.5 °C23 January 2025	26.7 °C	1,496 mm	240
2024	41.5 °C15 September 2024	20.6 °C6 July 2024	28.4 °C	1,271 mm	317
2023	40.5 °C1 September 2023	20.7 °C3 May 2023	28.6 °C	859 mm	334
2022	37.7 °C20 January 2022	20.0 °C24 June 2022	27.3 °C	1,164 mm	317
2021	39.8 °C27 September 2021	19.7 °C31 January 2021	27.8 °C	1,095 mm	336
2020	41.6 °C11 February 2020	20.7 °C13 July 2020	29.0 °C	813 mm	354
2019	39.9 °C7 September 2019	20.7 °C30 August 2019	29.0 °C	617 mm	352
2018	40.4 °C12 March 2018	18.5 °C11 August 2018	28.2 °C	995 mm	341
2017	40.3 °C4 September 2017	20.7 °C6 February 2017	28.5 °C	894 mm	341
2016	39.9 °C2 February 2016	19.6 °C11 December 2016	28.6 °C	885 mm	346
2015	39.7 °C6 October 2015	18.7 °C7 January 2015	28.6 °C	779 mm	345
2014	38.8 °C1 September 2014	19.6 °C23 December 2014	28.0 °C	936 mm	337
2013	39.1 °C29 January 2013	19.4 °C9 January 2013	27.7 °C	1,187 mm	320
2012	39.1 °C7 September 2012	19.7 °C23 June 2012	27.6 °C	1,025 mm	326
2011	38.5 °C5 September 2011	20.0 °C15 January 2011	26.9 °C	1,573 mm	281
2010	41.7 °C4 February 2010	19.9 °C12 October 2010	27.1 °C	1,858 mm	279
2009	38.9 °C14 September 2009	20.0 °C18 January 2009	27.5 °C	1,065 mm	327
2008	38.1 °C13 September 2008	19.7 °C19 January 2008	26.5 °C	1,348 mm	285
2007	40.1 °C2 March 2007	19.5 °C5 July 2007	27.2 °C	1,206 mm	312
2006	39.2 °C7 October 2006	18.7 °C14 January 2006	27.4 °C	1,073 mm	308
2005	39.2 °C25 February 2005	20.0 °C25 December 2005	27.7 °C	937 mm	330
2004	39.5 °C2 September 2004	20.0 °C30 May 2004	27.7 °C	801 mm	329
2003	38.4 °C25 February 2003	20.1 °C17 December 2003	27.8 °C	810 mm	326
2002	39.0 °C22 September 2002	20.2 °C31 May 2002	27.8 °C	836 mm	324
2001	38.2 °C27 August 2001	20.2 °C3 January 2001	27.3 °C	869 mm	328
2000	36.8 °C17 October 2000	19.1 °C12 August 2000	25.8 °C	1,723 mm	232
1999	36.9 °C17 August 1999	18.6 °C5 July 1999	25.9 °C	1,536 mm	221
1998	38.3 °C27 January 1998	20.4 °C27 July 1998	27.4 °C	1,378 mm	300
1997	38.8 °C25 August 1997	20.3 °C30 April 1997	27.6 °C	843 mm	316
1996	37.5 °C23 September 1996	19.3 °C1 January 1996	25.8 °C	1,481 mm	211
1995	38.5 °C16 February 1995	20.2 °C3 August 1995	26.6 °C	1,282 mm	260
1994	38.3 °C8 September 1994	19.9 °C21 October 1994	26.5 °C	1,226 mm	269
1993	38.2 °C7 August 1993	20.2 °C10 March 1993	26.9 °C	1,016 mm	305
1992	37.9 °C21 August 1992	19.4 °C19 September 1992	27.2 °C	805 mm	310
1991	38.4 °C6 September 1991	18.5 °C12 October 1991	26.7 °C	1,344 mm	300
1990	38.0 °C17 August 1990	20.1 °C24 May 1990	27.2 °C	904 mm	309
1989	36.8 °C4 August 1989	19.2 °C4 July 1989	26.3 °C	1,016 mm	274
1988	38.4 °C20 February 1988	18.7 °C27 June 1988	26.1 °C	1,612 mm	250
1987	38.2 °C20 March 1987	19.4 °C9 December 1987	27.4 °C	1,114 mm	317
1986	38.1 °C15 September 1986	19.1 °C28 January 1986	26.2 °C	1,285 mm	259
1985	37.3 °C4 March 1985	17.3 °C6 February 1985	26.2 °C	1,091 mm	273
1984	36.9 °C15 August 1984	18.1 °C15 November 1984	25.7 °C	1,340 mm	233
1983	39.5 °C20 March 1983	20.0 °C25 June 1983	27.4 °C	672 mm	311
1982	38.9 °C15 August 1982	19.4 °C9 November 1982	27.0 °C	953 mm	295
1981	37.7 °C5 August 1981	19.6 °C26 August 1981	26.9 °C	1,291 mm	305
1980	40.1 °C25 August 1980	20.0 °C29 November 1980	28.2 °C	535 mm	348
1979	38.2 °C11 August 1979	19.7 °C4 February 1979	26.7 °C	1,304 mm	278
1978	38.3 °C1 February 1978	19.2 °C25 July 1978	26.9 °C	1,363 mm	291
1977	39.1 °C23 August 1977	18.9 °C6 January 1977	27.7 °C	795 mm	329
1976	38.6 °C13 August 1976	19.5 °C8 July 1976	27.0 °C	881 mm	299
1975	36.5 °C12 January 1975	19.3 °C20 July 1975	26.0 °C	1,702 mm	252
1974	37.8 °C20 August 1974	18.7 °C29 January 1974	26.0 °C	1,303 mm	274
1973	38.5 °C19 February 1973	18.5 °C15 July 1973	26.5 °C	1,985 mm	282
1972	39.4 °C13 September 1972	19.1 °C17 October 1972	27.0 °C	1,110 mm	295
1971	34.4 °C24 September 1971	18.2 °C13 June 1971	25.2 °C	2,143 mm	194
1970	38.5 °C22 August 1970	19.2 °C28 May 1970	26.2 °C	1,938 mm	276
1969	39.4 °C9 September 1969	20.1 °C21 September 1969	27.0 °C	1,671 mm	321
1968	38.5 °C22 August 1968	15.9 °C4 January 1968	26.8 °C	1,201 mm	329
1967	38.4 °C24 September 1967	19.2 °C16 June 1967	26.9 °C	1,081 mm	318
1966	39.2 °C1 February 1966	19.4 °C24 December 1966	27.4 °C	860 mm	334
1965	38.3 °C20 September 1965	19.6 °C11 July 1965	26.8 °C	1,123 mm	314
1964	39.3 °C16 January 1964	18.9 °C24 June 1964	26.6 °C	1,380 mm	291
1963	39.5 °C6 October 1963	19.7 °C26 February 1963	27.5 °C	739 mm	333
1962	39.5 °C25 September 1962	19.2 °C5 December 1962	26.7 °C	967 mm	300
1961	39.1 °C5 March 1961	18.5 °C15 February 1961	27.1 °C	887 mm	321
1960	36.7 °C2 October 1960	18.3 °C6 January 1960	25.7 °C	1,128 mm	231
1959	37.5 °C15 February 1959	18.7 °C8 August 1959	26.5 °C	972 mm	276
1958	38.3 °C19 March 1958	20.0 °C2 December 1958	27.1 °C	1,129 mm	316
1957	41.3 °C4 October 1957	18.3 °C28 January 1957	26.4 °C	910 mm	232
1956	32.0 °C5 September 1956	18.4 °C9 January 1956	23.9 °C	1,839 mm	43
1955	30.9 °C26 September 1955	19.1 °C1 August 1955	23.9 °C	2,118 mm	16
1954	34.6 °C15 September 1954	18.6 °C13 August 1954	24.4 °C	1,415 mm	70
1953	36.2 °C29 August 1953	19.0 °C22 July 1953	25.4 °C	1,168 mm	136
1952	34.4 °C23 March 1952	18.8 °C17 July 1952	25.0 °C	1,325 mm	118
1951	34.1 °C31 August 1951	19.2 °C9 January 1951	24.8 °C	1,356 mm	95
1950	32.7 °C14 September 1950	17.3 °C15 September 1950	23.8 °C	1,986 mm	8
1949	32.8 °C11 August 1949	18.7 °C17 December 1949	24.2 °C	1,603 mm	46
1948	36.1 °C23 September 1948	19.3 °C3 January 1948	25.3 °C	1,275 mm	138
1947	33.0 °C15 March 1947	19.1 °C4 December 1947	24.4 °C	1,634 mm	44
1946	34.9 °C17 September 1946	18.9 °C9 August 1946	24.8 °C	1,384 mm	117
1945	35.6 °C20 September 1945	18.1 °C3 January 1945	24.9 °C	1,163 mm	128
1944	36.0 °C15 April 1944	18.0 °C19 February 1944	25.4 °C	909 mm	164
1943	36.1 °C19 September 1943	18.6 °C28 January 1943	24.8 °C	1,014 mm	105
1942	34.6 °C14 September 1942	17.0 °C15 July 1942	24.8 °C	1,728 mm	128
1941	36.1 °C22 March 1941	19.3 °C22 March 1941	26.2 °C	786 mm	256
1940	36.1 °C24 August 1940	19.5 °C7 January 1940	25.3 °C	1,056 mm	161

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

30.9 °C

-0.9 °C

Hot days (≥ 30 °C)

240 d/yr

-20

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1496 mm

+296 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.6 °C	-0.2 °C	78 mm	+37 mm
Feb	30.3 °C	-2.0 °C	102 mm	+47 mm
Mar	30.3 °C	-1.8 °C	134 mm	+29 mm
Apr	30.8 °C	-0.2 °C	236 mm	+47 mm
May	30.1 °C	-0.7 °C	190 mm	+8 mm
Jun	30.4 °C	-1.0 °C	293 mm	+171 mm
Jul	32.2 °C	-0.4 °C	27 mm	-42 mm
Aug	33.0 °C	-0.9 °C	31 mm	-15 mm
Sep	32.7 °C	-1.1 °C	103 mm	+39 mm
Oct	30.0 °C	-1.4 °C	111 mm	-22 mm
Nov	29.7 °C	-0.5 °C	146 mm	+22 mm
Dec	30.1 °C	-0.6 °C	45 mm	-23 mm

The year's extremes

Hottest day

36.8 °C

14 Sep 2025

Coldest day

20.5 °C

23 Jan 2025

Wettest day

46.1 mm

14 Jun 2025

Windiest day

18.9 km/h

28 Aug 2025

Strongest gust

46.4 km/h

3 Jul 2025

Hottest feels-like

39.8 °C

25 Mar 2025

Coldest feels-like

22.5 °C

5 Aug 2025

Sunniest day

12.0 h

7 Apr 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 Guamo?

Guamo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.6 °C and it receives 1,200 mm of precipitation per year.

What is the hottest day ever recorded in Guamo?

The hottest day measured in Guamo between 1940 and 2025 was 4 February 2010, reaching 41.7 °C.

What is the coldest day in Guamo?

The coldest day measured in Guamo between 1940 and 2025 was 4 January 1968, at 15.9 °C.

Does it snow in Guamo?

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

Has the climate of Guamo warmed?

Yes: Guamo warmed by +3.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Guamo?

The wettest day measured in Guamo between 1940 and 2025 was 16 October 1978, with 84 mm of rain in 24 hours.

What was the windiest day in Guamo?

The windiest day measured in Guamo between 1940 and 2025 was 15 August 1978, with winds reaching 24.8 km/h.

What is the warmest month in Guamo?

The warmest month in Guamo is August (27.6 °C on average); the coldest is November (25.7 °C).

How much does it rain in Guamo?

Guamo receives on average 1,200 mm of precipitation per year, spread over about 177 rainy days.

Is it sunny in Guamo?

Guamo gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Are there tropical nights in Guamo?

Yes: Guamo has on average 358 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Guamo?

In Guamo, between 1940 and 2025, the highest apparent temperature reached 43.7 °C on 5 February 2010, and the lowest was 15.7 °C on 4 January 1968.

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