Colon climate — normals and trends

Q: What is the climate of Colon?

Colon has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 1,179 mm of precipitation per year.

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

The hottest day measured in Colon between 1940 and 2025 was 14 January 2022, reaching 42.4 °C.

Q: What is the coldest day in Colon?

The coldest day measured in Colon between 1940 and 2025 was 1 July 2025, at -4.5 °C.

Q: Does it snow in Colon?

Almost never: Colon sees virtually no snow, with about 2 frost days per year.

Q: Has the climate of Colon warmed?

Between 1940 and 2025, no statistically significant temperature trend emerges in Colon.

Q: What is the wettest day in Colon?

The wettest day measured in Colon between 1940 and 2025 was 25 November 2024, with 132 mm of rain in 24 hours.

Q: What was the windiest day in Colon?

The windiest day measured in Colon between 1940 and 2025 was 17 October 1982, with winds reaching 52.5 km/h.

Q: What is the warmest month in Colon?

The warmest month in Colon is January (25.3 °C on average); the coldest is July (11.7 °C).

Q: How much does it rain in Colon?

Colon receives on average 1,179 mm of precipitation per year, spread over about 91 rainy days.

Q: Is it sunny in Colon?

Colon gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Colon (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.3 °C and it receives 1,179 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 (25.3 °C on average) and the coldest is July (11.7 °C). Rainfall peaks in March.

Colon averages 2 frost days, 65 hot days (≥ 30 °C) and 91 rainy days per year.

No statistically significant temperature trend emerges for Colon between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.

The hottest day of the period reached 42.4 °C (on 14 January 2022) and the coldest -4.5 °C (on 1 July 2025).

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

ColonEntre Rios

coords: -32.22°, -58.14°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthMarchDriest monthJuly

Mean daily temperature

18.3°C

Average daily high

23.7°C

Average daily low

13.5°C

Annual rainfall

1,179mm

Sunshine / day

9.4h

Mean relative humidity

74%

Average peak wind

17.2km/h

Seasonal range

13.6°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

65 d/yr

Rainy days (≥ 1 mm)

91 d/yr

Annual snowfall

0.0 cm

Average feels-like high

24.1 °C

Average feels-like low

12.4 °C

Average peak gust

33.5 km/h

Tropical nights (≥ 20 °C)

48 d/yr

Solar radiation

17.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

No clear trend over this period

Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.

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

42.4 °C

14 January 2022

Coldest day

-4.5 °C

1 July 2025

Wettest day

132 mm

25 November 2024

Windiest day

52.5 km/h

17 October 1982

Strongest gust

96.1 km/h

12 November 1989

Hottest feels-like

44.3 °C

21 January 2022

Coldest feels-like

-8.6 °C

1 July 2025

Sunniest day

14.0 h

3 January 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.1 °C10 February 2025	-4.5 °C1 July 2025	18.5 °C	1,016 mm	92	6
2024	37.1 °C1 February 2024	-3.6 °C9 July 2024	18.6 °C	1,248 mm	57	7
2023	40.5 °C11 February 2023	-0.2 °C14 June 2023	19.4 °C	1,211 mm	89	1
2022	42.4 °C14 January 2022	-1.3 °C18 June 2022	18.2 °C	770 mm	82	3
2021	40.0 °C29 December 2021	-0.3 °C29 July 2021	18.8 °C	745 mm	87	2
2020	39.8 °C24 November 2020	-3.0 °C14 July 2020	18.5 °C	814 mm	70	5
2019	36.2 °C2 January 2019	-2.4 °C6 July 2019	18.3 °C	1,634 mm	51	2
2018	37.7 °C11 April 2018	-0.3 °C15 June 2018	18.9 °C	1,056 mm	91	2
2017	37.7 °C15 November 2017	0.3 °C18 July 2017	19.1 °C	1,439 mm	64	0
2016	37.7 °C24 January 2016	1.1 °C12 June 2016	18.1 °C	1,373 mm	74	0
2015	34.3 °C27 January 2015	-2.7 °C19 June 2015	18.8 °C	1,270 mm	63	2
2014	38.2 °C23 January 2014	0.2 °C20 June 2014	18.5 °C	1,512 mm	52	0
2013	39.3 °C26 December 2013	-2.0 °C14 August 2013	18.2 °C	938 mm	60	2
2012	39.0 °C9 January 2012	-2.4 °C8 June 2012	18.8 °C	1,446 mm	82	7
2011	38.9 °C20 December 2011	-2.1 °C4 July 2011	18.2 °C	1,007 mm	76	5
2010	35.2 °C26 December 2010	-1.4 °C16 July 2010	18.1 °C	1,249 mm	67	3
2009	37.2 °C17 January 2009	-0.6 °C9 July 2009	18.3 °C	1,271 mm	71	3
2008	39.4 °C8 January 2008	-0.7 °C30 May 2008	18.8 °C	724 mm	87	2
2007	36.2 °C21 December 2007	-2.5 °C12 July 2007	17.7 °C	1,270 mm	65	4
2006	40.1 °C9 January 2006	-1.9 °C1 August 2006	18.8 °C	1,119 mm	76	2
2005	38.9 °C7 January 2005	-0.9 °C19 July 2005	18.4 °C	1,275 mm	68	1
2004	37.2 °C30 January 2004	-0.8 °C11 July 2004	18.4 °C	907 mm	75	2
2003	38.4 °C31 January 2003	-1.2 °C12 July 2003	18.0 °C	1,435 mm	56	1
2002	38.5 °C27 February 2002	-1.0 °C23 June 2002	18.4 °C	2,053 mm	60	2
2001	36.5 °C6 January 2001	-0.4 °C28 July 2001	18.8 °C	1,399 mm	72	1
2000	37.7 °C13 January 2000	-0.9 °C23 July 2000	18.1 °C	1,659 mm	68	2
1999	40.0 °C26 December 1999	-0.3 °C5 July 1999	18.2 °C	1,205 mm	69	1
1998	38.4 °C27 December 1998	2.1 °C27 June 1998	17.8 °C	1,336 mm	37	0
1997	38.2 °C6 January 1997	-1.9 °C5 August 1997	19.0 °C	1,132 mm	72	2
1996	39.8 °C3 January 1996	-2.8 °C29 June 1996	18.7 °C	1,001 mm	89	7
1995	39.0 °C20 December 1995	-2.8 °C4 August 1995	18.0 °C	879 mm	78	5
1994	37.7 °C12 December 1994	-2.0 °C10 July 1994	18.5 °C	1,125 mm	63	1
1993	35.4 °C11 October 1993	-1.3 °C1 June 1993	17.8 °C	1,390 mm	53	4
1992	36.5 °C8 February 1992	-2.9 °C7 July 1992	17.8 °C	1,328 mm	69	5
1991	36.8 °C26 February 1991	-2.7 °C14 July 1991	18.2 °C	1,428 mm	54	4
1990	36.9 °C27 January 1990	-2.7 °C28 July 1990	18.0 °C	1,725 mm	42	7
1989	39.6 °C23 January 1989	-2.0 °C3 July 1989	18.8 °C	846 mm	91	3
1988	36.2 °C4 January 1988	-2.6 °C11 July 1988	17.4 °C	1,173 mm	70	8
1987	38.0 °C1 December 1987	-1.0 °C24 June 1987	18.2 °C	1,086 mm	69	1
1986	38.7 °C25 January 1986	1.0 °C31 May 1986	18.7 °C	1,484 mm	63	0
1985	37.7 °C10 January 1985	-0.4 °C11 July 1985	18.6 °C	1,175 mm	85	1
1984	36.1 °C5 January 1984	-1.2 °C29 July 1984	17.6 °C	1,535 mm	50	5
1983	38.0 °C27 December 1983	0.6 °C12 July 1983	17.8 °C	1,272 mm	64	0
1982	37.7 °C28 December 1982	0.4 °C16 June 1982	18.6 °C	1,248 mm	61	0
1981	35.5 °C18 January 1981	-0.5 °C24 July 1981	18.3 °C	1,264 mm	55	2
1980	38.7 °C22 January 1980	-3.4 °C3 July 1980	18.6 °C	1,271 mm	83	6
1979	38.9 °C4 February 1979	-0.7 °C15 June 1979	18.1 °C	878 mm	71	1
1978	36.2 °C19 January 1978	-0.6 °C9 June 1978	17.9 °C	1,399 mm	50	2
1977	35.6 °C27 December 1977	1.7 °C23 June 1977	18.3 °C	1,519 mm	65	0
1976	37.2 °C1 January 1976	-3.3 °C10 July 1976	17.3 °C	1,093 mm	41	5
1975	37.7 °C18 December 1975	-1.3 °C26 July 1975	17.8 °C	1,205 mm	61	2
1974	37.2 °C4 January 1974	-1.6 °C8 August 1974	17.6 °C	1,018 mm	41	3
1973	36.4 °C12 January 1973	0.3 °C2 July 1973	17.7 °C	1,479 mm	41	0
1972	37.4 °C6 February 1972	-0.8 °C4 August 1972	18.0 °C	1,148 mm	57	2
1971	39.8 °C30 December 1971	-0.8 °C16 June 1971	17.5 °C	1,210 mm	53	3
1970	37.2 °C27 February 1970	-1.5 °C2 July 1970	18.1 °C	1,408 mm	65	1
1969	38.0 °C17 December 1969	-2.2 °C18 June 1969	18.2 °C	978 mm	59	2
1968	40.3 °C11 December 1968	0.6 °C26 June 1968	18.0 °C	1,274 mm	64	0
1967	38.1 °C27 December 1967	-4.1 °C14 June 1967	18.0 °C	1,819 mm	50	3
1966	35.1 °C5 February 1966	-0.3 °C5 August 1966	17.4 °C	1,060 mm	46	2
1965	40.0 °C26 January 1965	-2.1 °C11 July 1965	18.2 °C	831 mm	75	4
1964	37.7 °C25 January 1964	-0.5 °C24 June 1964	17.1 °C	877 mm	49	3
1963	36.7 °C1 January 1963	-0.3 °C6 August 1963	17.7 °C	1,807 mm	34	1
1962	39.1 °C29 December 1962	-0.7 °C25 July 1962	17.2 °C	749 mm	68	3
1961	36.2 °C1 January 1961	-1.7 °C15 June 1961	18.0 °C	1,023 mm	47	4
1960	37.9 °C24 February 1960	-0.5 °C9 July 1960	18.2 °C	718 mm	81	2
1959	37.0 °C4 February 1959	1.7 °C16 July 1959	17.8 °C	1,282 mm	55	0
1958	35.8 °C13 February 1958	0.7 °C26 May 1958	17.9 °C	1,154 mm	39	0
1957	38.3 °C8 January 1957	-0.8 °C14 July 1957	18.1 °C	1,122 mm	51	2
1956	38.8 °C4 January 1956	1.4 °C11 June 1956	18.2 °C	800 mm	61	0
1955	38.2 °C6 January 1955	-1.4 °C8 July 1955	17.8 °C	1,045 mm	60	1
1954	35.9 °C27 December 1954	1.0 °C19 July 1954	18.0 °C	1,103 mm	59	0
1953	37.3 °C26 December 1953	-0.3 °C20 July 1953	18.6 °C	1,080 mm	48	1
1952	38.9 °C27 December 1952	1.3 °C30 June 1952	18.4 °C	1,040 mm	74	0
1951	35.0 °C20 January 1951	1.3 °C30 June 1951	18.6 °C	1,488 mm	42	0
1950	38.5 °C29 January 1950	0.7 °C31 July 1950	18.5 °C	844 mm	87	0
1949	37.8 °C25 February 1949	0.2 °C17 July 1949	18.2 °C	1,068 mm	79	0
1948	35.1 °C18 February 1948	1.2 °C9 August 1948	18.8 °C	1,100 mm	62	0
1947	37.9 °C1 February 1947	-0.5 °C10 July 1947	18.7 °C	935 mm	65	1
1946	39.6 °C18 January 1946	1.4 °C21 July 1946	18.5 °C	1,022 mm	68	0
1945	37.7 °C14 January 1945	-1.7 °C10 July 1945	19.0 °C	753 mm	78	3
1944	36.4 °C5 February 1944	2.7 °C26 June 1944	19.3 °C	1,293 mm	63	0
1943	39.9 °C15 January 1943	1.2 °C23 August 1943	19.8 °C	847 mm	92	0
1942	36.2 °C12 January 1942	-1.0 °C19 June 1942	18.0 °C	981 mm	59	2
1941	37.7 °C16 February 1941	-0.1 °C18 July 1941	18.5 °C	1,012 mm	62	1
1940	35.2 °C9 March 1940	1.5 °C3 August 1940	18.0 °C	1,228 mm	66	0

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

24.5 °C

+0.8 °C

Hot days (≥ 30 °C)

92 d/yr

+27

Frost days (< 0 °C)

6 d/yr

Annual rainfall

1016 mm

-163 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.2 °C	+1.3 °C	50 mm	-60 mm
Feb	31.8 °C	+2.1 °C	118 mm	+4 mm
Mar	28.6 °C	+1.1 °C	103 mm	-13 mm
Apr	23.7 °C	0.0 °C	39 mm	-73 mm
May	21.8 °C	+1.8 °C	107 mm	+16 mm
Jun	15.6 °C	-1.3 °C	31 mm	-42 mm
Jul	17.2 °C	+0.5 °C	59 mm	-14 mm
Aug	19.3 °C	+0.8 °C	85 mm	+3 mm
Sep	21.3 °C	+0.9 °C	54 mm	-47 mm
Oct	25.3 °C	+1.9 °C	105 mm	-7 mm
Nov	26.5 °C	-0.1 °C	117 mm	+15 mm
Dec	30.6 °C	+1.1 °C	149 mm	+54 mm

The year's extremes

Hottest day

40.1 °C

10 Feb 2025

Coldest day

-4.5 °C

1 Jul 2025

Wettest day

71.3 mm

8 Dec 2025

Windiest day

35.4 km/h

23 Jun 2025

Strongest gust

66.6 km/h

19 Aug 2025

Hottest feels-like

43.1 °C

5 Mar 2025

Coldest feels-like

-8.6 °C

1 Jul 2025

Sunniest day

14.0 h

2 Jan 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 Colon?

Colon has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 1,179 mm of precipitation per year.

What is the hottest day ever recorded in Colon?

The hottest day measured in Colon between 1940 and 2025 was 14 January 2022, reaching 42.4 °C.

What is the coldest day in Colon?

The coldest day measured in Colon between 1940 and 2025 was 1 July 2025, at -4.5 °C.

Does it snow in Colon?

Almost never: Colon sees virtually no snow, with about 2 frost days per year.

Has the climate of Colon warmed?

Between 1940 and 2025, no statistically significant temperature trend emerges in Colon.

What is the wettest day in Colon?

The wettest day measured in Colon between 1940 and 2025 was 25 November 2024, with 132 mm of rain in 24 hours.

What was the windiest day in Colon?

The windiest day measured in Colon between 1940 and 2025 was 17 October 1982, with winds reaching 52.5 km/h.

What is the warmest month in Colon?

The warmest month in Colon is January (25.3 °C on average); the coldest is July (11.7 °C).

How much does it rain in Colon?

Colon receives on average 1,179 mm of precipitation per year, spread over about 91 rainy days.

Is it sunny in Colon?

Colon gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Are there tropical nights in Colon?

Yes: Colon has on average 48 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Colon?

In Colon, between 1940 and 2025, the highest apparent temperature reached 44.3 °C on 21 January 2022, and the lowest was -8.6 °C on 1 July 2025.

Compare Colon with another city

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

Nearby cities

The climate around Colon

Other cities — Argentina

All cities in Argentina →