Mercedes climate — normals and trends

Q: What is the climate of Mercedes?

Mercedes has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.9 °C and it receives 1,479 mm of precipitation per year.

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

The hottest day measured in Mercedes between 1940 and 2025 was 13 January 2022, reaching 40.8 °C.

Q: What is the coldest day in Mercedes?

The coldest day measured in Mercedes between 1940 and 2025 was 29 June 1996, at -3.4 °C.

Q: Does it snow in Mercedes?

Almost never: Mercedes sees virtually no snow, with about 1 frost days per year.

Q: Has the climate of Mercedes warmed?

Yes: Mercedes warmed by +0.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Mercedes?

The wettest day measured in Mercedes between 1940 and 2025 was 15 February 1983, with 127 mm of rain in 24 hours.

Q: What was the windiest day in Mercedes?

The windiest day measured in Mercedes between 1940 and 2025 was 29 April 1992, with winds reaching 54.1 km/h.

Q: What is the warmest month in Mercedes?

The warmest month in Mercedes is January (26.0 °C on average); the coldest is July (14.0 °C).

Q: How much does it rain in Mercedes?

Mercedes receives on average 1,479 mm of precipitation per year, spread over about 109 rainy days.

Q: Is it sunny in Mercedes?

Mercedes gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Mercedes (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.9 °C and it receives 1,479 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 (26.0 °C on average) and the coldest is July (14.0 °C). Rainfall peaks in October.

Mercedes averages 1 frost days, 84 hot days (≥ 30 °C) and 109 rainy days per year.

Mercedes has warmed by +0.4 °C between 1940 and 2025, or +0.05 °C per decade. This trend is statistically significant.

The number of frost days there went from about 0 to 2 per year over the period.

The hottest day of the period reached 40.8 °C (on 13 January 2022) and the coldest -3.4 °C (on 29 June 1996).

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

MercedesCorrientes

coords: -29.18°, -58.08°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthJuly

Mean daily temperature

19.9°C

Average daily high

25.2°C

Average daily low

15.3°C

Annual rainfall

1,479mm

Sunshine / day

9.3h

Mean relative humidity

73%

Average peak wind

18.1km/h

Seasonal range

12.0°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

84 d/yr

Rainy days (≥ 1 mm)

109 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.3 °C

Average feels-like low

14.6 °C

Average peak gust

34.5 km/h

Tropical nights (≥ 20 °C)

83 d/yr

Solar radiation

17.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.4 °C

since 1940

+0.1 °C per decade · r² = 0.05 · p = 0.048

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

40.8 °C

13 January 2022

Coldest day

-3.4 °C

29 June 1996

Wettest day

127 mm

15 February 1983

Windiest day

54.1 km/h

29 April 1992

Strongest gust

113.8 km/h

29 April 1992

Hottest feels-like

45.1 °C

26 January 1979

Coldest feels-like

-7.1 °C

2 August 1991

Sunniest day

13.8 h

30 December 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.3 °C5 February 2025	-2.6 °C1 July 2025	20.2 °C	1,503 mm	110	3
2024	38.1 °C3 February 2024	-0.3 °C10 July 2024	20.5 °C	1,600 mm	99	1
2023	39.5 °C24 January 2023	1.8 °C13 August 2023	21.3 °C	1,174 mm	116	0
2022	40.8 °C13 January 2022	-0.7 °C11 June 2022	20.2 °C	755 mm	116	2
2021	38.3 °C11 January 2021	-1.0 °C29 July 2021	19.9 °C	1,088 mm	110	3
2020	40.3 °C24 November 2020	-0.8 °C29 July 2020	20.6 °C	874 mm	139	1
2019	39.5 °C12 October 2019	-1.8 °C6 July 2019	20.3 °C	1,635 mm	86	1
2018	37.5 °C11 December 2018	-0.1 °C16 June 2018	20.3 °C	1,048 mm	102	2
2017	39.0 °C16 December 2017	-1.7 °C18 July 2017	20.7 °C	1,576 mm	96	1
2016	37.6 °C23 January 2016	-1.5 °C12 June 2016	19.7 °C	1,515 mm	89	1
2015	35.8 °C6 January 2015	0.4 °C19 June 2015	20.5 °C	1,701 mm	84	0
2014	38.4 °C7 January 2014	1.6 °C14 August 2014	20.6 °C	1,654 mm	91	0
2013	38.5 °C30 December 2013	-3.1 °C27 August 2013	19.8 °C	1,422 mm	91	1
2012	38.8 °C18 February 2012	-3.0 °C8 June 2012	20.8 °C	1,353 mm	117	2
2011	39.6 °C20 December 2011	-1.0 °C4 July 2011	19.8 °C	1,322 mm	83	3
2010	37.3 °C3 February 2010	-0.6 °C14 July 2010	19.6 °C	1,440 mm	91	1
2009	37.5 °C2 November 2009	-1.3 °C24 July 2009	20.0 °C	1,367 mm	111	2
2008	38.1 °C8 December 2008	-1.1 °C30 May 2008	20.0 °C	1,256 mm	105	3
2007	36.9 °C22 December 2007	-2.2 °C11 July 2007	19.5 °C	1,569 mm	103	2
2006	38.7 °C8 January 2006	-0.5 °C30 July 2006	20.7 °C	1,167 mm	121	1
2005	38.5 °C8 January 2005	0.7 °C19 July 2005	20.1 °C	1,391 mm	106	0
2004	37.1 °C31 January 2004	-0.6 °C11 July 2004	20.0 °C	1,049 mm	101	1
2003	38.0 °C11 November 2003	0.1 °C12 July 2003	19.8 °C	1,554 mm	84	0
2002	36.3 °C10 March 2002	1.0 °C2 September 2002	20.2 °C	2,457 mm	86	0
2001	36.6 °C23 November 2001	-1.6 °C28 July 2001	20.4 °C	1,889 mm	87	1
2000	37.4 °C8 January 2000	-1.3 °C17 July 2000	19.4 °C	1,852 mm	80	5
1999	39.0 °C26 December 1999	-0.2 °C15 August 1999	19.8 °C	1,433 mm	102	1
1998	37.5 °C21 January 1998	1.8 °C25 June 1998	19.5 °C	2,291 mm	56	0
1997	36.5 °C26 December 1997	-0.8 °C28 June 1997	20.6 °C	1,685 mm	91	1
1996	38.6 °C10 January 1996	-3.4 °C29 June 1996	19.7 °C	1,646 mm	83	2
1995	37.6 °C20 December 1995	-2.2 °C5 August 1995	19.7 °C	1,314 mm	83	2
1994	38.3 °C20 January 1994	-3.0 °C10 July 1994	20.2 °C	1,703 mm	84	1
1993	36.3 °C11 October 1993	-0.3 °C1 June 1993	19.5 °C	1,614 mm	79	4
1992	37.4 °C8 February 1992	0.3 °C2 August 1992	19.3 °C	1,519 mm	79	0
1991	37.9 °C20 January 1991	-2.8 °C2 August 1991	20.0 °C	1,589 mm	80	3
1990	36.7 °C14 November 1990	-0.5 °C28 July 1990	19.5 °C	1,778 mm	65	2
1989	38.4 °C18 January 1989	-1.7 °C3 July 1989	19.8 °C	1,292 mm	95	1
1988	36.4 °C12 January 1988	-1.3 °C1 June 1988	19.2 °C	1,203 mm	105	4
1987	36.6 °C1 December 1987	0.3 °C16 June 1987	19.5 °C	1,487 mm	80	0
1986	38.2 °C27 January 1986	0.8 °C18 August 1986	20.6 °C	2,285 mm	88	0
1985	40.0 °C15 November 1985	1.9 °C11 July 1985	20.5 °C	1,702 mm	99	0
1984	37.5 °C7 January 1984	-0.6 °C25 August 1984	19.6 °C	1,628 mm	81	5
1983	37.4 °C28 December 1983	-0.6 °C5 June 1983	19.4 °C	1,601 mm	93	1
1982	38.1 °C16 January 1982	0.5 °C29 June 1982	20.4 °C	1,576 mm	91	0
1981	35.5 °C24 October 1981	-1.2 °C18 June 1981	20.0 °C	1,212 mm	84	2
1980	37.4 °C22 January 1980	-2.1 °C31 July 1980	20.1 °C	1,659 mm	106	4
1979	37.2 °C17 January 1979	-0.2 °C14 June 1979	19.3 °C	1,321 mm	75	1
1978	36.9 °C30 January 1978	-0.5 °C1 June 1978	19.6 °C	1,214 mm	78	1
1977	35.9 °C27 December 1977	1.5 °C2 September 1977	20.0 °C	1,716 mm	85	0
1976	36.0 °C1 January 1976	-1.6 °C10 July 1976	18.9 °C	1,372 mm	60	1
1975	37.3 °C14 February 1975	-0.8 °C18 July 1975	19.3 °C	1,456 mm	67	1
1974	37.0 °C5 January 1974	-1.2 °C13 June 1974	19.1 °C	1,521 mm	56	2
1973	37.1 °C12 January 1973	0.8 °C18 July 1973	19.2 °C	2,171 mm	68	0
1972	37.1 °C8 February 1972	-0.3 °C5 August 1972	19.6 °C	1,862 mm	73	2
1971	40.3 °C29 December 1971	-0.6 °C16 June 1971	19.4 °C	1,221 mm	83	3
1970	36.7 °C20 January 1970	-0.6 °C2 July 1970	19.8 °C	1,651 mm	93	2
1969	36.8 °C21 December 1969	-1.7 °C19 June 1969	19.5 °C	1,787 mm	73	2
1968	39.3 °C12 December 1968	1.9 °C17 May 1968	19.7 °C	1,578 mm	92	0
1967	36.8 °C7 February 1967	-2.4 °C14 June 1967	19.8 °C	1,802 mm	77	1
1966	35.6 °C8 December 1966	-0.2 °C6 August 1966	19.0 °C	1,463 mm	48	1
1965	36.8 °C31 January 1965	-1.6 °C11 July 1965	19.7 °C	1,149 mm	86	1
1964	38.3 °C26 January 1964	0.9 °C3 August 1964	18.9 °C	978 mm	76	0
1963	40.0 °C4 January 1963	0.0 °C6 August 1963	20.2 °C	1,523 mm	83	0
1962	39.3 °C28 November 1962	-1.2 °C17 July 1962	19.0 °C	895 mm	95	3
1961	38.1 °C13 January 1961	-1.3 °C16 June 1961	20.1 °C	1,471 mm	80	2
1960	37.0 °C9 December 1960	-0.5 °C9 July 1960	19.6 °C	1,080 mm	84	2
1959	35.6 °C25 January 1959	2.9 °C19 May 1959	19.4 °C	2,268 mm	62	0
1958	39.5 °C13 February 1958	1.6 °C29 August 1958	19.6 °C	1,557 mm	65	0
1957	34.5 °C19 January 1957	-1.0 °C21 July 1957	19.6 °C	1,464 mm	73	2
1956	33.3 °C27 December 1956	1.0 °C11 June 1956	18.8 °C	1,549 mm	35	0
1955	35.2 °C28 November 1955	-0.4 °C30 July 1955	19.2 °C	1,532 mm	63	2
1954	33.8 °C9 January 1954	4.2 °C8 August 1954	19.5 °C	1,694 mm	56	0
1953	36.6 °C5 January 1953	1.1 °C24 July 1953	20.4 °C	1,592 mm	63	0
1952	35.8 °C27 December 1952	3.3 °C18 June 1952	19.9 °C	1,156 mm	67	0
1951	34.1 °C14 January 1951	4.5 °C28 June 1951	20.1 °C	1,413 mm	39	0
1950	36.4 °C29 January 1950	1.5 °C11 July 1950	19.9 °C	1,205 mm	83	0
1949	37.4 °C22 December 1949	1.7 °C17 July 1949	19.8 °C	1,402 mm	82	0
1948	34.1 °C1 January 1948	2.5 °C8 August 1948	19.8 °C	1,641 mm	35	0
1947	35.0 °C23 January 1947	0.4 °C11 July 1947	20.0 °C	1,143 mm	60	0
1946	38.9 °C25 January 1946	2.3 °C15 July 1946	20.0 °C	1,390 mm	60	0
1945	39.1 °C15 January 1945	0.2 °C23 June 1945	21.1 °C	886 mm	98	0
1944	37.6 °C21 December 1944	1.7 °C7 July 1944	21.1 °C	1,530 mm	82	0
1943	40.4 °C16 January 1943	3.7 °C31 August 1943	21.5 °C	836 mm	115	0
1942	38.2 °C29 December 1942	0.8 °C19 June 1942	20.0 °C	1,025 mm	84	0
1941	35.5 °C17 February 1941	1.7 °C27 June 1941	20.0 °C	1,556 mm	64	0
1940	34.7 °C21 March 1940	2.9 °C27 August 1940	19.9 °C	1,661 mm	84	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

26.0 °C

+0.8 °C

Hot days (≥ 30 °C)

110 d/yr

+26

Frost days (< 0 °C)

3 d/yr

Annual rainfall

1504 mm

+25 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	33.9 °C	+2.6 °C	23 mm	-129 mm
Feb	35.5 °C	+5.0 °C	81 mm	-46 mm
Mar	31.6 °C	+2.9 °C	93 mm	-46 mm
Apr	24.6 °C	-0.4 °C	58 mm	-95 mm
May	22.9 °C	+1.3 °C	399 mm	+293 mm
Jun	16.6 °C	-2.5 °C	117 mm	+22 mm
Jul	19.9 °C	+0.8 °C	56 mm	-22 mm
Aug	21.1 °C	+0.2 °C	73 mm	-8 mm
Sep	22.5 °C	-0.1 °C	203 mm	+71 mm
Oct	25.7 °C	+0.5 °C	92 mm	-65 mm
Nov	27.6 °C	-0.1 °C	89 mm	-44 mm
Dec	30.4 °C	+0.1 °C	219 mm	+94 mm

The year's extremes

Hottest day

40.3 °C

5 Feb 2025

Coldest day

-2.6 °C

1 Jul 2025

Wettest day

106.1 mm

8 May 2025

Windiest day

37.7 km/h

20 Aug 2025

Strongest gust

71.6 km/h

19 Aug 2025

Hottest feels-like

43.6 °C

4 Feb 2025

Coldest feels-like

-6.3 °C

1 Jul 2025

Sunniest day

13.8 h

30 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 Mercedes?

Mercedes has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.9 °C and it receives 1,479 mm of precipitation per year.

What is the hottest day ever recorded in Mercedes?

The hottest day measured in Mercedes between 1940 and 2025 was 13 January 2022, reaching 40.8 °C.

What is the coldest day in Mercedes?

The coldest day measured in Mercedes between 1940 and 2025 was 29 June 1996, at -3.4 °C.

Does it snow in Mercedes?

Almost never: Mercedes sees virtually no snow, with about 1 frost days per year.

Has the climate of Mercedes warmed?

Yes: Mercedes warmed by +0.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Mercedes?

The wettest day measured in Mercedes between 1940 and 2025 was 15 February 1983, with 127 mm of rain in 24 hours.

What was the windiest day in Mercedes?

The windiest day measured in Mercedes between 1940 and 2025 was 29 April 1992, with winds reaching 54.1 km/h.

What is the warmest month in Mercedes?

The warmest month in Mercedes is January (26.0 °C on average); the coldest is July (14.0 °C).

How much does it rain in Mercedes?

Mercedes receives on average 1,479 mm of precipitation per year, spread over about 109 rainy days.

Is it sunny in Mercedes?

Mercedes gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Are there tropical nights in Mercedes?

Yes: Mercedes has on average 83 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Mercedes?

In Mercedes, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 26 January 1979, and the lowest was -7.1 °C on 2 August 1991.

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