San Martín climate — normals and trends

Q: What is the climate of San Martín?

San Martín has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 23.3 °C and it receives 2,380 mm of precipitation per year.

Q: What is the hottest day ever recorded in San Martín?

The hottest day measured in San Martín between 1940 and 2025 was 18 February 1964, reaching 36.6 °C.

Q: What is the coldest day in San Martín?

The coldest day measured in San Martín between 1940 and 2025 was 20 July 1975, at 12.7 °C.

Q: Does it snow in San Martín?

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

Q: Has the climate of San Martín warmed?

Yes: San Martín warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in San Martín?

The wettest day measured in San Martín between 1940 and 2025 was 17 July 2023, with 190 mm of rain in 24 hours.

Q: What was the windiest day in San Martín?

The windiest day measured in San Martín between 1940 and 2025 was 17 February 1944, with winds reaching 17.0 km/h.

Q: What is the warmest month in San Martín?

The warmest month in San Martín is February (24.8 °C on average); the coldest is July (22.0 °C).

Q: How much does it rain in San Martín?

San Martín receives on average 2,380 mm of precipitation per year, spread over about 248 rainy days.

Q: Is it sunny in San Martín?

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

San Martín (Colombia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 23.3 °C and it receives 2,380 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 (24.8 °C on average) and the coldest is July (22.0 °C). Rainfall peaks in June.

San Martín averages 0 frost days, 73 hot days (≥ 30 °C) and 248 rainy days per year.

San Martín has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.6 °C (on 18 February 1964) and the coldest 12.7 °C (on 20 July 1975).

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

San MartínMeta Department

coords: 3.70°, -73.70°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthFebruaryColdest monthJulyWettest monthJuneDriest monthJanuary

Mean daily temperature

23.3°C

Average daily high

28.2°C

Average daily low

19.5°C

Annual rainfall

2,380mm

Sunshine / day

10.4h

Mean relative humidity

76%

Average peak wind

7.1km/h

Seasonal range

2.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

73 d/yr

Rainy days (≥ 1 mm)

248 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.7 °C

Average feels-like low

21.5 °C

Average peak gust

28.3 km/h

Tropical nights (≥ 20 °C)

117 d/yr

Solar radiation

18.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °C per decade · r² = 0.49 · 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

36.6 °C

18 February 1964

Coldest day

12.7 °C

20 July 1975

Wettest day

190 mm

17 July 2023

Windiest day

17.0 km/h

17 February 1944

Strongest gust

49.3 km/h

13 February 1948

Hottest feels-like

39.4 °C

18 March 1983

Coldest feels-like

12.3 °C

20 July 1975

Sunniest day

12.0 h

21 March 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.2 °C19 January 2025	17.5 °C7 June 2025	23.8 °C	2,375 mm	65
2024	33.7 °C24 February 2024	17.7 °C24 September 2024	24.7 °C	1,432 mm	165
2023	33.3 °C27 September 2023	15.7 °C29 January 2023	24.5 °C	1,919 mm	165
2022	33.0 °C3 January 2022	14.3 °C27 December 2022	23.6 °C	2,186 mm	81
2021	34.3 °C2 February 2021	16.6 °C27 September 2021	24.2 °C	2,095 mm	135
2020	33.9 °C12 February 2020	16.6 °C22 September 2020	24.4 °C	2,007 mm	143
2019	33.6 °C13 February 2019	16.7 °C30 August 2019	24.1 °C	1,887 mm	115
2018	33.5 °C14 March 2018	16.4 °C23 December 2018	23.6 °C	2,423 mm	67
2017	33.0 °C6 February 2017	16.0 °C5 April 2017	23.8 °C	2,110 mm	79
2016	35.5 °C11 March 2016	17.2 °C20 August 2016	24.2 °C	3,068 mm	114
2015	33.8 °C2 March 2015	15.9 °C13 September 2015	24.0 °C	2,360 mm	140
2014	33.8 °C1 February 2014	16.4 °C30 August 2014	23.9 °C	2,674 mm	102
2013	33.7 °C4 February 2013	15.1 °C7 January 2013	23.7 °C	2,441 mm	80
2012	33.0 °C24 January 2012	15.8 °C3 October 2012	23.6 °C	2,383 mm	94
2011	33.0 °C30 January 2011	16.3 °C15 January 2011	23.8 °C	2,883 mm	75
2010	36.1 °C10 February 2010	15.6 °C4 January 2010	24.3 °C	2,274 mm	114
2009	32.7 °C17 December 2009	16.9 °C14 January 2009	23.8 °C	1,983 mm	129
2008	34.1 °C2 March 2008	16.5 °C1 January 2008	23.7 °C	2,170 mm	93
2007	36.2 °C3 February 2007	16.0 °C20 November 2007	23.8 °C	2,015 mm	92
2006	32.4 °C2 January 2006	15.3 °C14 January 2006	23.5 °C	1,917 mm	90
2005	35.1 °C13 March 2005	15.8 °C18 August 2005	23.7 °C	2,303 mm	97
2004	33.0 °C18 February 2004	16.1 °C29 January 2004	23.3 °C	2,551 mm	58
2003	33.8 °C14 February 2003	17.2 °C17 December 2003	23.5 °C	2,453 mm	83
2002	33.5 °C9 March 2002	16.7 °C19 January 2002	23.4 °C	2,595 mm	71
2001	33.2 °C3 March 2001	15.9 °C30 January 2001	23.3 °C	2,223 mm	79
2000	33.5 °C16 March 2000	16.3 °C21 December 2000	23.1 °C	2,378 mm	52
1999	31.8 °C6 March 1999	15.9 °C5 July 1999	22.9 °C	2,315 mm	21
1998	34.2 °C27 January 1998	17.4 °C31 July 1998	23.7 °C	2,819 mm	78
1997	32.6 °C29 December 1997	16.5 °C11 August 1997	23.4 °C	2,187 mm	81
1996	32.3 °C26 January 1996	15.3 °C1 January 1996	23.0 °C	2,346 mm	49
1995	33.0 °C16 February 1995	16.1 °C2 April 1995	23.4 °C	2,448 mm	77
1994	32.5 °C7 February 1994	16.4 °C13 August 1994	23.1 °C	2,722 mm	57
1993	31.3 °C15 February 1993	16.5 °C17 July 1993	23.1 °C	2,720 mm	19
1992	33.3 °C6 February 1992	16.6 °C24 March 1992	23.4 °C	2,488 mm	66
1991	32.9 °C29 January 1991	16.4 °C26 August 1991	23.2 °C	2,624 mm	55
1990	31.6 °C13 January 1990	16.8 °C25 July 1990	23.0 °C	2,829 mm	22
1989	32.2 °C12 February 1989	15.2 °C19 December 1989	22.9 °C	2,366 mm	25
1988	35.6 °C12 March 1988	15.1 °C21 December 1988	23.5 °C	2,279 mm	80
1987	32.7 °C5 February 1987	15.5 °C12 January 1987	23.4 °C	2,715 mm	58
1986	32.5 °C12 January 1986	15.1 °C27 December 1986	22.7 °C	3,160 mm	19
1985	32.7 °C4 March 1985	14.9 °C20 December 1985	22.9 °C	2,936 mm	61
1984	32.6 °C4 April 1984	15.7 °C3 December 1984	22.8 °C	2,159 mm	50
1983	35.2 °C16 February 1983	16.7 °C17 January 1983	23.3 °C	2,209 mm	65
1982	33.2 °C7 March 1982	15.1 °C24 January 1982	23.1 °C	2,636 mm	36
1981	34.0 °C26 January 1981	14.8 °C22 July 1981	23.4 °C	2,648 mm	86
1980	35.3 °C22 February 1980	15.9 °C19 November 1980	23.7 °C	2,873 mm	93
1979	34.2 °C14 February 1979	16.6 °C12 January 1979	23.4 °C	2,774 mm	78
1978	33.4 °C14 March 1978	14.7 °C16 August 1978	23.3 °C	2,628 mm	74
1977	34.1 °C28 January 1977	15.0 °C1 December 1977	23.4 °C	2,524 mm	80
1976	32.6 °C8 February 1976	16.3 °C30 December 1976	23.0 °C	2,625 mm	25
1975	33.2 °C14 February 1975	12.7 °C20 July 1975	23.0 °C	2,692 mm	53
1974	32.6 °C7 February 1974	15.9 °C6 January 1974	23.3 °C	2,439 mm	75
1973	34.7 °C10 March 1973	16.2 °C11 August 1973	23.7 °C	2,314 mm	99
1972	32.7 °C16 February 1972	14.1 °C28 December 1972	23.3 °C	2,581 mm	51
1971	32.3 °C31 January 1971	15.5 °C28 September 1971	22.9 °C	2,373 mm	50
1970	32.5 °C8 February 1970	16.3 °C28 January 1970	23.4 °C	2,404 mm	92
1969	33.0 °C28 September 1969	16.7 °C12 July 1969	23.7 °C	3,439 mm	115
1968	33.3 °C23 February 1968	13.6 °C4 January 1968	23.1 °C	2,733 mm	81
1967	32.5 °C14 February 1967	15.8 °C19 January 1967	23.1 °C	2,631 mm	57
1966	33.6 °C17 February 1966	13.8 °C24 December 1966	23.4 °C	2,196 mm	82
1965	34.4 °C1 March 1965	16.0 °C22 August 1965	23.6 °C	2,286 mm	114
1964	36.6 °C18 February 1964	15.3 °C29 September 1964	23.5 °C	2,104 mm	116
1963	33.9 °C10 February 1963	16.2 °C16 December 1963	23.8 °C	1,857 mm	156
1962	33.9 °C3 March 1962	16.0 °C28 September 1962	23.4 °C	2,042 mm	101
1961	34.4 °C11 March 1961	15.7 °C2 July 1961	23.4 °C	1,892 mm	107
1960	33.5 °C5 February 1960	16.1 °C23 December 1960	23.2 °C	1,924 mm	74
1959	34.0 °C15 March 1959	15.3 °C3 January 1959	23.0 °C	2,065 mm	69
1958	35.1 °C26 February 1958	16.9 °C18 July 1958	24.0 °C	1,959 mm	146
1957	34.1 °C10 March 1957	16.2 °C16 January 1957	23.6 °C	2,024 mm	135
1956	30.9 °C8 March 1956	16.1 °C18 September 1956	22.2 °C	2,032 mm	5
1955	32.2 °C16 February 1955	14.7 °C2 August 1955	22.5 °C	2,335 mm	21
1954	32.9 °C30 March 1954	16.7 °C12 August 1954	22.8 °C	2,376 mm	47
1953	33.5 °C23 March 1953	16.7 °C13 September 1953	23.2 °C	2,282 mm	64
1952	34.1 °C23 February 1952	16.9 °C16 January 1952	23.0 °C	2,199 mm	65
1951	30.1 °C14 October 1951	16.5 °C13 January 1951	22.4 °C	2,745 mm	1
1950	31.7 °C30 March 1950	15.9 °C15 September 1950	22.5 °C	2,344 mm	11
1949	30.2 °C18 March 1949	16.5 °C31 July 1949	22.2 °C	2,551 mm	2
1948	31.3 °C15 February 1948	16.6 °C20 September 1948	22.3 °C	2,537 mm	17
1947	33.4 °C18 March 1947	16.3 °C15 December 1947	22.7 °C	2,001 mm	32
1946	31.7 °C5 March 1946	16.2 °C12 October 1946	22.4 °C	2,381 mm	25
1945	33.1 °C18 February 1945	15.1 °C1 January 1945	22.8 °C	1,957 mm	56
1944	33.9 °C23 February 1944	14.6 °C27 November 1944	23.0 °C	2,068 mm	50
1943	31.8 °C20 February 1943	15.5 °C5 December 1943	21.9 °C	2,985 mm	12
1942	32.8 °C14 January 1942	16.1 °C15 July 1942	22.4 °C	2,577 mm	32
1941	35.0 °C10 March 1941	16.2 °C16 December 1941	23.1 °C	2,212 mm	63
1940	34.2 °C26 February 1940	15.0 °C14 January 1940	23.1 °C	2,057 mm	87

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

28.0 °C

-0.2 °C

Hot days (≥ 30 °C)

65 d/yr

-8

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2375 mm

-5 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.8 °C	+0.2 °C	28 mm	-9 mm
Feb	29.8 °C	-0.6 °C	32 mm	-24 mm
Mar	29.3 °C	-0.5 °C	105 mm	-28 mm
Apr	28.5 °C	+0.3 °C	253 mm	-17 mm
May	27.2 °C	+0.1 °C	353 mm	-2 mm
Jun	25.7 °C	-0.5 °C	487 mm	+119 mm
Jul	25.9 °C	-0.3 °C	500 mm	+155 mm
Aug	27.4 °C	0.0 °C	213 mm	-17 mm
Sep	28.2 °C	0.0 °C	144 mm	-34 mm
Oct	28.2 °C	-0.2 °C	118 mm	-57 mm
Nov	28.3 °C	+0.2 °C	62 mm	-104 mm
Dec	28.2 °C	-0.3 °C	79 mm	+12 mm

The year's extremes

Hottest day

32.2 °C

19 Jan 2025

Coldest day

17.5 °C

7 Jun 2025

Wettest day

109.3 mm

1 Jul 2025

Windiest day

15.1 km/h

21 Jan 2025

Strongest gust

44.6 km/h

20 Jan 2025

Hottest feels-like

36.5 °C

12 Apr 2025

Coldest feels-like

17.2 °C

5 Aug 2025

Sunniest day

12.0 h

21 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 San Martín?

San Martín has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 23.3 °C and it receives 2,380 mm of precipitation per year.

What is the hottest day ever recorded in San Martín?

The hottest day measured in San Martín between 1940 and 2025 was 18 February 1964, reaching 36.6 °C.

What is the coldest day in San Martín?

The coldest day measured in San Martín between 1940 and 2025 was 20 July 1975, at 12.7 °C.

Does it snow in San Martín?

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

Has the climate of San Martín warmed?

Yes: San Martín warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in San Martín?

The wettest day measured in San Martín between 1940 and 2025 was 17 July 2023, with 190 mm of rain in 24 hours.

What was the windiest day in San Martín?

The windiest day measured in San Martín between 1940 and 2025 was 17 February 1944, with winds reaching 17.0 km/h.

What is the warmest month in San Martín?

The warmest month in San Martín is February (24.8 °C on average); the coldest is July (22.0 °C).

How much does it rain in San Martín?

San Martín receives on average 2,380 mm of precipitation per year, spread over about 248 rainy days.

Is it sunny in San Martín?

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

Are there tropical nights in San Martín?

Yes: San Martín has on average 117 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in San Martín?

In San Martín, between 1940 and 2025, the highest apparent temperature reached 39.4 °C on 18 March 1983, and the lowest was 12.3 °C on 20 July 1975.

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