San Juan del Cesar climate — normals and trends

Q: What is the climate of San Juan del Cesar?

San Juan del Cesar has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 23.1 °C and it receives 2,387 mm of precipitation per year.

Q: What is the hottest day ever recorded in San Juan del Cesar?

The hottest day measured in San Juan del Cesar between 1940 and 2025 was 18 February 2024, reaching 34.9 °C.

Q: What is the coldest day in San Juan del Cesar?

The coldest day measured in San Juan del Cesar between 1940 and 2025 was 2 January 1955, at 13.2 °C.

Q: Does it snow in San Juan del Cesar?

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

Q: Has the climate of San Juan del Cesar warmed?

Yes: San Juan del Cesar warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in San Juan del Cesar?

The wettest day measured in San Juan del Cesar between 1940 and 2025 was 18 April 2013, with 138 mm of rain in 24 hours.

Q: What was the windiest day in San Juan del Cesar?

The windiest day measured in San Juan del Cesar between 1940 and 2025 was 6 February 1948, with winds reaching 16.9 km/h.

Q: What is the warmest month in San Juan del Cesar?

The warmest month in San Juan del Cesar is August (23.9 °C on average); the coldest is January (21.9 °C).

Q: How much does it rain in San Juan del Cesar?

San Juan del Cesar receives on average 2,387 mm of precipitation per year, spread over about 287 rainy days.

Q: Is it sunny in San Juan del Cesar?

San Juan del Cesar gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

San Juan del Cesar (Colombia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 23.1 °C and it receives 2,387 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 (23.9 °C on average) and the coldest is January (21.9 °C). Rainfall peaks in May.

San Juan del Cesar averages 0 frost days, 44 hot days (≥ 30 °C) and 287 rainy days per year.

San Juan del Cesar has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.9 °C (on 18 February 2024) and the coldest 13.2 °C (on 2 January 1955).

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 Juan del CesarLa Guajira Department

coords: 10.77°, -73.00°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthAugustColdest monthJanuaryWettest monthMayDriest monthJanuary

Mean daily temperature

23.1°C

Average daily high

27.8°C

Average daily low

19.8°C

Annual rainfall

2,387mm

Sunshine / day

9.7h

Mean relative humidity

82%

Average peak wind

8.1km/h

Seasonal range

2.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

44 d/yr

Rainy days (≥ 1 mm)

287 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.9 °C

Average feels-like low

22.5 °C

Average peak gust

26.4 km/h

Tropical nights (≥ 20 °C)

179 d/yr

Solar radiation

18.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.65 · 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

34.9 °C

18 February 2024

Coldest day

13.2 °C

2 January 1955

Wettest day

138 mm

18 April 2013

Windiest day

16.9 km/h

6 February 1948

Strongest gust

50.4 km/h

21 March 1998

Hottest feels-like

40.8 °C

27 April 2015

Coldest feels-like

13.4 °C

18 February 1946

Sunniest day

12.1 h

1 June 2022

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.4 °C29 August 2025	17.1 °C16 February 2025	24.6 °C	2,088 mm	83
2024	34.9 °C18 February 2024	18.4 °C19 January 2024	24.8 °C	2,382 mm	184
2023	33.6 °C25 September 2023	16.2 °C19 February 2023	24.4 °C	2,223 mm	122
2022	32.3 °C10 September 2022	15.4 °C7 December 2022	23.5 °C	2,441 mm	44
2021	32.5 °C19 July 2021	15.5 °C3 March 2021	23.4 °C	2,048 mm	40
2020	33.7 °C26 April 2020	16.5 °C30 December 2020	24.1 °C	2,200 mm	103
2019	33.1 °C11 September 2019	16.0 °C3 February 2019	24.2 °C	1,725 mm	93
2018	32.6 °C12 August 2018	16.7 °C19 February 2018	23.7 °C	2,351 mm	60
2017	32.2 °C25 May 2017	15.5 °C11 January 2017	23.6 °C	2,824 mm	37
2016	33.9 °C15 May 2016	16.4 °C14 January 2016	24.5 °C	2,361 mm	127
2015	34.0 °C6 October 2015	17.4 °C21 November 2015	24.6 °C	1,802 mm	144
2014	33.0 °C20 July 2014	17.1 °C11 January 2014	24.3 °C	2,012 mm	121
2013	33.1 °C14 August 2013	16.8 °C20 December 2013	24.1 °C	2,303 mm	101
2012	32.7 °C17 May 2012	16.6 °C20 January 2012	24.0 °C	2,181 mm	115
2011	33.0 °C11 June 2011	16.9 °C3 March 2011	23.6 °C	2,775 mm	74
2010	33.4 °C23 April 2010	17.5 °C22 December 2010	24.1 °C	3,069 mm	95
2009	32.9 °C11 September 2009	14.3 °C15 February 2009	23.6 °C	2,590 mm	71
2008	32.1 °C6 September 2008	15.4 °C28 January 2008	23.3 °C	2,370 mm	38
2007	34.0 °C26 February 2007	15.5 °C19 January 2007	23.6 °C	2,381 mm	64
2006	32.8 °C10 July 2006	15.5 °C20 February 2006	23.6 °C	2,483 mm	89
2005	33.0 °C19 June 2005	14.1 °C29 December 2005	23.5 °C	2,669 mm	75
2004	32.5 °C3 September 2004	16.0 °C25 January 2004	23.4 °C	2,412 mm	54
2003	33.6 °C5 March 2003	16.6 °C23 March 2003	23.7 °C	2,290 mm	85
2002	32.8 °C30 July 2002	15.8 °C28 February 2002	23.6 °C	1,945 mm	93
2001	33.5 °C21 August 2001	14.2 °C27 February 2001	23.2 °C	2,042 mm	56
2000	32.3 °C27 August 2000	15.3 °C18 December 2000	22.6 °C	2,202 mm	17
1999	31.4 °C25 May 1999	15.5 °C15 January 1999	22.6 °C	2,555 mm	10
1998	33.7 °C17 February 1998	17.1 °C13 March 1998	23.9 °C	2,512 mm	79
1997	33.3 °C25 December 1997	15.4 °C2 March 1997	23.5 °C	1,617 mm	82
1996	31.5 °C5 July 1996	15.0 °C27 January 1996	22.9 °C	2,566 mm	22
1995	32.4 °C2 April 1995	15.7 °C10 January 1995	23.2 °C	2,250 mm	51
1994	32.2 °C22 May 1994	15.4 °C22 January 1994	23.2 °C	2,214 mm	28
1993	32.1 °C17 June 1993	16.6 °C13 January 1993	23.4 °C	2,324 mm	42
1992	32.6 °C9 April 1992	14.1 °C19 December 1992	23.3 °C	2,250 mm	48
1991	34.7 °C16 August 1991	15.2 °C20 January 1991	23.2 °C	2,362 mm	44
1990	31.9 °C5 September 1990	14.9 °C25 December 1990	23.0 °C	2,576 mm	33
1989	31.2 °C18 May 1989	14.2 °C16 February 1989	22.8 °C	2,364 mm	13
1988	32.5 °C23 April 1988	15.9 °C7 March 1988	23.1 °C	2,598 mm	31
1987	31.9 °C31 May 1987	16.0 °C25 January 1987	23.5 °C	2,771 mm	39
1986	32.0 °C26 July 1986	15.0 °C6 February 1986	22.7 °C	2,552 mm	23
1985	31.3 °C12 July 1985	14.5 °C16 January 1985	22.4 °C	2,616 mm	10
1984	31.8 °C14 April 1984	16.1 °C17 December 1984	22.6 °C	2,243 mm	14
1983	32.8 °C20 March 1983	15.0 °C9 February 1983	23.4 °C	2,225 mm	30
1982	32.1 °C23 August 1982	16.0 °C25 January 1982	23.0 °C	2,408 mm	28
1981	31.6 °C25 September 1981	14.9 °C20 January 1981	23.1 °C	2,708 mm	31
1980	32.6 °C31 March 1980	15.3 °C23 February 1980	23.3 °C	1,871 mm	50
1979	32.1 °C6 August 1979	14.1 °C20 January 1979	23.2 °C	2,957 mm	36
1978	32.7 °C22 August 1978	16.4 °C20 December 1978	23.5 °C	2,562 mm	44
1977	33.6 °C7 September 1977	16.4 °C21 December 1977	23.6 °C	2,410 mm	59
1976	32.2 °C1 September 1976	15.4 °C2 January 1976	22.9 °C	2,013 mm	36
1975	31.0 °C12 April 1975	13.9 °C30 December 1975	22.5 °C	2,670 mm	5
1974	30.8 °C6 July 1974	14.2 °C28 December 1974	22.4 °C	2,609 mm	3
1973	32.2 °C3 April 1973	15.4 °C8 February 1973	23.1 °C	2,457 mm	49
1972	33.5 °C5 August 1972	15.2 °C15 January 1972	23.3 °C	2,654 mm	78
1971	32.5 °C25 April 1971	13.9 °C10 December 1971	22.6 °C	2,206 mm	29
1970	32.2 °C13 February 1970	15.8 °C20 November 1970	23.1 °C	3,172 mm	36
1969	33.2 °C20 July 1969	13.7 °C1 February 1969	23.5 °C	2,898 mm	61
1968	31.8 °C4 May 1968	15.0 °C6 March 1968	23.1 °C	2,711 mm	45
1967	32.4 °C29 August 1967	15.3 °C21 March 1967	22.9 °C	2,274 mm	34
1966	32.1 °C17 September 1966	15.3 °C4 March 1966	23.2 °C	2,629 mm	33
1965	31.5 °C22 August 1965	14.8 °C27 January 1965	23.0 °C	2,217 mm	18
1964	31.2 °C6 February 1964	14.7 °C3 February 1964	22.9 °C	2,252 mm	12
1963	31.9 °C6 September 1963	14.8 °C18 January 1963	23.2 °C	2,478 mm	32
1962	32.0 °C11 September 1962	15.2 °C10 January 1962	23.1 °C	2,190 mm	35
1961	31.1 °C8 April 1961	15.4 °C1 February 1961	22.9 °C	2,178 mm	6
1960	31.2 °C28 May 1960	15.8 °C25 February 1960	22.9 °C	2,388 mm	12
1959	31.0 °C24 September 1959	15.6 °C3 February 1959	22.9 °C	2,421 mm	10
1958	34.1 °C11 March 1958	15.2 °C21 December 1958	23.7 °C	2,146 mm	98
1957	32.1 °C24 August 1957	14.3 °C25 February 1957	22.8 °C	1,980 mm	25
1956	29.9 °C14 August 1956	14.2 °C23 January 1956	21.9 °C	2,350 mm	0
1955	30.5 °C14 August 1955	13.2 °C2 January 1955	21.8 °C	2,302 mm	1
1954	30.8 °C13 May 1954	13.9 °C30 January 1954	22.0 °C	2,403 mm	6
1953	30.4 °C14 July 1953	15.9 °C17 January 1953	22.6 °C	2,265 mm	3
1952	31.4 °C12 March 1952	14.8 °C13 February 1952	22.4 °C	2,193 mm	12
1951	30.1 °C4 August 1951	13.9 °C18 February 1951	22.3 °C	2,514 mm	1
1950	29.9 °C14 September 1950	13.7 °C8 January 1950	21.6 °C	2,916 mm	0
1949	30.6 °C29 July 1949	14.1 °C28 January 1949	22.1 °C	2,449 mm	5
1948	31.2 °C1 April 1948	13.9 °C21 January 1948	22.3 °C	2,386 mm	10
1947	30.6 °C16 March 1947	15.3 °C3 January 1947	22.2 °C	2,252 mm	2
1946	30.9 °C9 September 1946	13.3 °C10 January 1946	22.0 °C	2,680 mm	4
1945	29.6 °C7 July 1945	13.7 °C12 January 1945	21.8 °C	2,490 mm	0
1944	30.4 °C22 August 1944	14.6 °C2 January 1944	22.4 °C	2,592 mm	3
1943	31.6 °C19 September 1943	13.9 °C8 February 1943	22.0 °C	2,112 mm	2
1942	30.5 °C26 August 1942	15.2 °C8 January 1942	22.2 °C	2,918 mm	1
1941	33.2 °C22 March 1941	15.4 °C1 January 1941	22.8 °C	1,899 mm	28
1940	31.3 °C13 March 1940	14.5 °C17 January 1940	22.3 °C	2,381 mm	4

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

28.8 °C

+1.0 °C

Hot days (≥ 30 °C)

83 d/yr

+39

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2089 mm

-299 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.6 °C	+1.7 °C	43 mm	-25 mm
Feb	28.5 °C	+1.0 °C	48 mm	-28 mm
Mar	29.7 °C	+1.8 °C	55 mm	-68 mm
Apr	28.0 °C	+0.5 °C	362 mm	+77 mm
May	29.1 °C	+1.2 °C	287 mm	-59 mm
Jun	28.8 °C	+0.5 °C	186 mm	-22 mm
Jul	29.6 °C	+1.0 °C	111 mm	-80 mm
Aug	30.4 °C	+1.5 °C	243 mm	+13 mm
Sep	28.9 °C	+0.4 °C	248 mm	-1 mm
Oct	27.7 °C	+0.2 °C	217 mm	-69 mm
Nov	28.2 °C	+0.9 °C	214 mm	+2 mm
Dec	27.7 °C	+0.7 °C	76 mm	-40 mm

The year's extremes

Hottest day

33.4 °C

29 Aug 2025

Coldest day

17.1 °C

16 Feb 2025

Wettest day

51.2 mm

16 Aug 2025

Windiest day

15.0 km/h

10 Feb 2025

Strongest gust

40.7 km/h

30 Jan 2025

Hottest feels-like

40.0 °C

10 Sep 2025

Coldest feels-like

18.5 °C

16 Feb 2025

Sunniest day

12.1 h

17 Jun 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 Juan del Cesar?

San Juan del Cesar has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 23.1 °C and it receives 2,387 mm of precipitation per year.

What is the hottest day ever recorded in San Juan del Cesar?

The hottest day measured in San Juan del Cesar between 1940 and 2025 was 18 February 2024, reaching 34.9 °C.

What is the coldest day in San Juan del Cesar?

The coldest day measured in San Juan del Cesar between 1940 and 2025 was 2 January 1955, at 13.2 °C.

Does it snow in San Juan del Cesar?

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

Has the climate of San Juan del Cesar warmed?

Yes: San Juan del Cesar warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in San Juan del Cesar?

The wettest day measured in San Juan del Cesar between 1940 and 2025 was 18 April 2013, with 138 mm of rain in 24 hours.

What was the windiest day in San Juan del Cesar?

The windiest day measured in San Juan del Cesar between 1940 and 2025 was 6 February 1948, with winds reaching 16.9 km/h.

What is the warmest month in San Juan del Cesar?

The warmest month in San Juan del Cesar is August (23.9 °C on average); the coldest is January (21.9 °C).

How much does it rain in San Juan del Cesar?

San Juan del Cesar receives on average 2,387 mm of precipitation per year, spread over about 287 rainy days.

Is it sunny in San Juan del Cesar?

San Juan del Cesar gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Are there tropical nights in San Juan del Cesar?

Yes: San Juan del Cesar has on average 179 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in San Juan del Cesar?

In San Juan del Cesar, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 27 April 2015, and the lowest was 13.4 °C on 18 February 1946.

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