Colonia del Sacramento climate — normals and trends

Q: What is the climate of Colonia del Sacramento?

Colonia del Sacramento has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.2 °C and it receives 979 mm of precipitation per year.

Q: What is the hottest day ever recorded in Colonia del Sacramento?

The hottest day measured in Colonia del Sacramento between 1940 and 2025 was 14 January 2022, reaching 37.1 °C.

Q: What is the coldest day in Colonia del Sacramento?

The coldest day measured in Colonia del Sacramento between 1940 and 2025 was 15 June 1967, at 0.3 °C.

Q: Does it snow in Colonia del Sacramento?

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

Q: Has the climate of Colonia del Sacramento warmed?

Yes: Colonia del Sacramento warmed by +0.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Colonia del Sacramento?

The wettest day measured in Colonia del Sacramento between 1940 and 2025 was 11 February 2003, with 131 mm of rain in 24 hours.

Q: What was the windiest day in Colonia del Sacramento?

The windiest day measured in Colonia del Sacramento between 1940 and 2025 was 29 May 1984, with winds reaching 70.0 km/h.

Q: What is the warmest month in Colonia del Sacramento?

The warmest month in Colonia del Sacramento is January (23.7 °C on average); the coldest is July (10.9 °C).

Q: How much does it rain in Colonia del Sacramento?

Colonia del Sacramento receives on average 979 mm of precipitation per year, spread over about 91 rainy days.

Q: Is it sunny in Colonia del Sacramento?

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

Colonia del Sacramento (Uruguay) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.2 °C and it receives 979 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 January (23.7 °C on average) and the coldest is July (10.9 °C). Rainfall peaks in March.

Colonia del Sacramento averages 0 frost days, 7 hot days (≥ 30 °C) and 91 rainy days per year.

Colonia del Sacramento has warmed by +0.6 °C between 1940 and 2025, or +0.06 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.1 °C (on 14 January 2022) and the coldest 0.3 °C (on 15 June 1967).

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

Colonia del SacramentoColonia

coords: -34.46°, -57.84°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthMarchDriest monthJune

Mean daily temperature

17.2°C

Average daily high

20.0°C

Average daily low

14.6°C

Annual rainfall

979mm

Sunshine / day

9.7h

Mean relative humidity

77%

Average peak wind

23.5km/h

Seasonal range

12.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

7 d/yr

Rainy days (≥ 1 mm)

91 d/yr

Annual snowfall

0.0 cm

Average feels-like high

20.1 °C

Average feels-like low

12.6 °C

Average peak gust

36.5 km/h

Tropical nights (≥ 20 °C)

59 d/yr

Solar radiation

17.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.6 °C

since 1940

+0.1 °C per decade · r² = 0.15 · 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

37.1 °C

14 January 2022

Coldest day

0.3 °C

15 June 1967

Wettest day

131 mm

11 February 2003

Windiest day

70.0 km/h

29 May 1984

Strongest gust

111.2 km/h

29 May 1984

Hottest feels-like

40.3 °C

22 January 1983

Coldest feels-like

-6.7 °C

1 August 1991

Sunniest day

14.0 h

17 December 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.6 °C10 February 2025	1.8 °C2 July 2025	17.9 °C	857 mm	20
2024	32.8 °C7 February 2024	2.4 °C11 July 2024	17.8 °C	1,066 mm	7
2023	35.7 °C11 February 2023	4.4 °C19 July 2023	18.2 °C	749 mm	23
2022	37.1 °C14 January 2022	4.2 °C3 June 2022	17.2 °C	746 mm	15
2021	33.5 °C29 December 2021	5.1 °C2 August 2021	17.7 °C	764 mm	9
2020	33.2 °C6 February 2020	4.1 °C14 July 2020	17.5 °C	608 mm	7
2019	32.3 °C29 January 2019	4.3 °C5 July 2019	17.6 °C	1,030 mm	11
2018	32.8 °C4 January 2018	3.4 °C24 June 2018	17.8 °C	966 mm	7
2017	31.9 °C26 February 2017	4.3 °C17 July 2017	18.4 °C	1,007 mm	19
2016	34.2 °C24 January 2016	4.1 °C21 June 2016	17.2 °C	1,033 mm	12
2015	31.9 °C28 December 2015	2.9 °C19 June 2015	17.8 °C	630 mm	7
2014	33.4 °C23 January 2014	4.2 °C27 July 2014	17.8 °C	1,508 mm	12
2013	33.9 °C29 December 2013	3.7 °C20 June 2013	17.3 °C	721 mm	16
2012	33.9 °C24 December 2012	2.3 °C27 July 2012	17.8 °C	1,311 mm	17
2011	31.8 °C25 January 2011	2.9 °C3 July 2011	17.0 °C	870 mm	6
2010	32.1 °C22 December 2010	1.6 °C17 July 2010	17.3 °C	1,068 mm	10
2009	32.8 °C17 January 2009	2.8 °C31 July 2009	17.1 °C	1,351 mm	4
2008	32.3 °C2 January 2008	3.5 °C3 August 2008	17.6 °C	574 mm	10
2007	32.9 °C1 January 2007	2.0 °C29 July 2007	16.7 °C	1,322 mm	5
2006	32.9 °C9 January 2006	3.9 °C1 August 2006	17.4 °C	899 mm	8
2005	31.6 °C12 January 2005	4.9 °C7 July 2005	17.2 °C	1,025 mm	7
2004	31.2 °C30 January 2004	4.0 °C11 July 2004	17.4 °C	943 mm	7
2003	33.2 °C31 January 2003	4.5 °C12 July 2003	17.0 °C	1,242 mm	9
2002	31.0 °C28 January 2002	2.6 °C22 June 2002	17.4 °C	1,606 mm	5
2001	32.0 °C5 January 2001	3.0 °C28 July 2001	17.7 °C	1,326 mm	9
2000	33.4 °C20 January 2000	2.9 °C17 July 2000	17.0 °C	1,289 mm	8
1999	33.2 °C26 December 1999	3.0 °C13 August 1999	16.8 °C	1,019 mm	4
1998	30.6 °C4 March 1998	5.6 °C19 September 1998	17.0 °C	1,025 mm	2
1997	31.9 °C1 February 1997	2.8 °C27 June 1997	17.5 °C	879 mm	4
1996	32.2 °C3 January 1996	2.0 °C5 July 1996	17.2 °C	963 mm	9
1995	32.8 °C18 December 1995	1.6 °C29 June 1995	16.7 °C	700 mm	7
1994	32.6 °C10 December 1994	3.3 °C28 June 1994	17.2 °C	1,054 mm	6
1993	31.1 °C11 January 1993	3.5 °C25 July 1993	16.9 °C	1,389 mm	5
1992	31.9 °C20 February 1992	3.1 °C16 July 1992	16.9 °C	980 mm	7
1991	30.6 °C22 November 1991	1.5 °C1 August 1991	17.0 °C	1,029 mm	1
1990	33.7 °C26 January 1990	2.2 °C21 June 1990	17.1 °C	1,228 mm	7
1989	31.7 °C6 January 1989	3.8 °C7 July 1989	17.5 °C	668 mm	11
1988	30.5 °C3 December 1988	2.6 °C10 July 1988	16.4 °C	882 mm	3
1987	33.2 °C29 January 1987	4.3 °C13 June 1987	17.1 °C	1,004 mm	15
1986	32.5 °C25 January 1986	5.2 °C28 July 1986	17.2 °C	1,316 mm	7
1985	32.3 °C15 November 1985	4.0 °C11 July 1985	17.3 °C	932 mm	5
1984	31.3 °C18 January 1984	2.1 °C27 June 1984	16.6 °C	1,362 mm	3
1983	33.5 °C22 January 1983	3.4 °C9 August 1983	16.9 °C	1,009 mm	8
1982	31.9 °C25 January 1982	3.3 °C25 June 1982	17.3 °C	1,156 mm	10
1981	31.1 °C27 February 1981	3.5 °C24 July 1981	17.1 °C	1,225 mm	3
1980	34.0 °C22 January 1980	2.8 °C3 July 1980	17.5 °C	1,077 mm	10
1979	32.3 °C3 February 1979	3.5 °C14 June 1979	16.9 °C	540 mm	8
1978	30.7 °C18 January 1978	3.4 °C14 August 1978	16.9 °C	1,076 mm	3
1977	31.0 °C8 January 1977	4.7 °C22 June 1977	17.3 °C	1,037 mm	3
1976	31.3 °C17 January 1976	3.2 °C8 July 1976	16.4 °C	1,203 mm	2
1975	32.4 °C18 December 1975	1.9 °C17 July 1975	17.0 °C	952 mm	9
1974	31.3 °C19 January 1974	3.8 °C25 July 1974	16.8 °C	659 mm	3
1973	30.0 °C2 January 1973	4.5 °C2 July 1973	16.7 °C	1,112 mm	1
1972	32.0 °C11 January 1972	2.6 °C4 August 1972	17.0 °C	1,098 mm	7
1971	33.8 °C29 December 1971	3.1 °C17 June 1971	16.8 °C	1,039 mm	7
1970	33.4 °C1 February 1970	2.6 °C2 July 1970	17.2 °C	1,015 mm	11
1969	31.3 °C30 January 1969	3.9 °C18 June 1969	17.2 °C	917 mm	9
1968	33.6 °C11 December 1968	4.4 °C26 June 1968	17.1 °C	1,022 mm	4
1967	31.4 °C13 January 1967	0.3 °C15 June 1967	17.0 °C	1,226 mm	7
1966	28.9 °C21 January 1966	2.4 °C24 July 1966	16.5 °C	1,022 mm	0
1965	32.5 °C26 February 1965	1.5 °C11 July 1965	16.9 °C	868 mm	12
1964	32.5 °C25 January 1964	2.5 °C2 September 1964	16.3 °C	905 mm	7
1963	31.1 °C1 January 1963	3.5 °C17 August 1963	16.9 °C	1,202 mm	2
1962	32.1 °C29 December 1962	3.7 °C20 July 1962	16.4 °C	683 mm	4
1961	31.1 °C30 January 1961	2.7 °C12 June 1961	16.9 °C	1,086 mm	4
1960	32.2 °C13 January 1960	2.0 °C8 July 1960	16.8 °C	714 mm	14
1959	31.1 °C24 January 1959	5.3 °C16 July 1959	16.6 °C	1,139 mm	1
1958	29.5 °C10 January 1958	3.9 °C19 June 1958	17.1 °C	987 mm	0
1957	34.9 °C11 January 1957	3.6 °C15 July 1957	16.8 °C	1,050 mm	8
1956	31.1 °C4 January 1956	5.6 °C30 June 1956	17.4 °C	687 mm	4
1955	34.0 °C5 January 1955	2.4 °C29 July 1955	16.9 °C	693 mm	7
1954	30.2 °C7 December 1954	3.7 °C25 July 1954	17.2 °C	801 mm	2
1953	32.0 °C4 January 1953	2.0 °C20 July 1953	17.5 °C	812 mm	7
1952	32.7 °C27 December 1952	3.8 °C30 June 1952	17.2 °C	880 mm	5
1951	30.5 °C3 February 1951	3.5 °C30 June 1951	17.5 °C	1,073 mm	1
1950	32.8 °C28 January 1950	3.9 °C5 August 1950	17.1 °C	610 mm	8
1949	33.9 °C25 February 1949	2.7 °C22 July 1949	16.8 °C	787 mm	5
1948	32.1 °C22 February 1948	4.1 °C9 August 1948	17.6 °C	851 mm	4
1947	32.6 °C1 February 1947	3.0 °C15 July 1947	17.8 °C	654 mm	13
1946	33.0 °C12 February 1946	4.7 °C21 July 1946	17.3 °C	816 mm	14
1945	32.4 °C10 January 1945	2.3 °C8 July 1945	17.4 °C	778 mm	9
1944	31.5 °C6 February 1944	3.9 °C26 June 1944	17.5 °C	1,138 mm	4
1943	32.1 °C20 February 1943	3.9 °C15 August 1943	17.8 °C	880 mm	9
1942	30.4 °C9 January 1942	3.5 °C18 June 1942	16.7 °C	1,226 mm	2
1941	31.3 °C15 February 1941	5.2 °C18 July 1941	16.9 °C	783 mm	4
1940	30.9 °C9 March 1940	5.1 °C26 August 1940	16.8 °C	828 mm	2

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

20.8 °C

+0.8 °C

Hot days (≥ 30 °C)

20 d/yr

+13

Frost days (< 0 °C)

0 d/yr

Annual rainfall

857 mm

-122 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.3 °C	+0.5 °C	62 mm	-21 mm
Feb	27.7 °C	+1.7 °C	88 mm	-4 mm
Mar	25.1 °C	+1.0 °C	175 mm	+71 mm
Apr	20.1 °C	-0.4 °C	55 mm	-32 mm
May	18.4 °C	+1.4 °C	107 mm	+36 mm
Jun	13.0 °C	-1.0 °C	34 mm	-31 mm
Jul	13.8 °C	+0.5 °C	23 mm	-46 mm
Aug	15.3 °C	+0.6 °C	87 mm	+13 mm
Sep	17.8 °C	+1.2 °C	65 mm	-18 mm
Oct	21.4 °C	+1.9 °C	57 mm	-42 mm
Nov	22.6 °C	0.0 °C	81 mm	-5 mm
Dec	27.7 °C	+2.3 °C	23 mm	-45 mm

The year's extremes

Hottest day

33.6 °C

10 Feb 2025

Coldest day

1.8 °C

2 Jul 2025

Wettest day

71.0 mm

3 Mar 2025

Windiest day

50.3 km/h

23 Jun 2025

Strongest gust

78.8 km/h

23 Jun 2025

Hottest feels-like

38.7 °C

5 Mar 2025

Coldest feels-like

-3.0 °C

23 Jun 2025

Sunniest day

14.0 h

17 Dec 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 Colonia del Sacramento?

Colonia del Sacramento has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.2 °C and it receives 979 mm of precipitation per year.

What is the hottest day ever recorded in Colonia del Sacramento?

The hottest day measured in Colonia del Sacramento between 1940 and 2025 was 14 January 2022, reaching 37.1 °C.

What is the coldest day in Colonia del Sacramento?

The coldest day measured in Colonia del Sacramento between 1940 and 2025 was 15 June 1967, at 0.3 °C.

Does it snow in Colonia del Sacramento?

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

Has the climate of Colonia del Sacramento warmed?

Yes: Colonia del Sacramento warmed by +0.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Colonia del Sacramento?

The wettest day measured in Colonia del Sacramento between 1940 and 2025 was 11 February 2003, with 131 mm of rain in 24 hours.

What was the windiest day in Colonia del Sacramento?

The windiest day measured in Colonia del Sacramento between 1940 and 2025 was 29 May 1984, with winds reaching 70.0 km/h.

What is the warmest month in Colonia del Sacramento?

The warmest month in Colonia del Sacramento is January (23.7 °C on average); the coldest is July (10.9 °C).

How much does it rain in Colonia del Sacramento?

Colonia del Sacramento receives on average 979 mm of precipitation per year, spread over about 91 rainy days.

Is it sunny in Colonia del Sacramento?

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

Are there tropical nights in Colonia del Sacramento?

Yes: Colonia del Sacramento has on average 59 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Colonia del Sacramento?

In Colonia del Sacramento, between 1940 and 2025, the highest apparent temperature reached 40.3 °C on 22 January 1983, and the lowest was -6.7 °C on 1 August 1991.

Compare Colonia del Sacramento with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Colonia del Sacramento

Other cities — Uruguay

All cities in Uruguay →