Mar de Ajó climate — normals and trends

Q: What is the climate of Mar de Ajó?

Mar de Ajó has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 853 mm of precipitation per year.

Q: What is the hottest day ever recorded in Mar de Ajó?

The hottest day measured in Mar de Ajó between 1940 and 2025 was 11 January 1957, reaching 32.1 °C.

Q: What is the coldest day in Mar de Ajó?

The coldest day measured in Mar de Ajó between 1940 and 2025 was 15 August 1943, at 0.8 °C.

Q: Does it snow in Mar de Ajó?

Almost never: Mar de Ajó sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Mar de Ajó warmed?

Yes: Mar de Ajó warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Mar de Ajó?

The wettest day measured in Mar de Ajó between 1940 and 2025 was 25 January 1994, with 126 mm of rain in 24 hours.

Q: What was the windiest day in Mar de Ajó?

The windiest day measured in Mar de Ajó between 1940 and 2025 was 8 June 1993, with winds reaching 77.5 km/h.

Q: What is the warmest month in Mar de Ajó?

The warmest month in Mar de Ajó is January (21.0 °C on average); the coldest is July (9.7 °C).

Q: How much does it rain in Mar de Ajó?

Mar de Ajó receives on average 853 mm of precipitation per year, spread over about 97 rainy days.

Q: Is it sunny in Mar de Ajó?

Mar de Ajó gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Mar de Ajó (Argentina) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 15.3 °C and it receives 853 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 (21.0 °C on average) and the coldest is July (9.7 °C). Rainfall peaks in March.

Mar de Ajó averages 0 frost days, 0 hot days (≥ 30 °C) and 97 rainy days per year.

Mar de Ajó has warmed by +0.5 °C between 1940 and 2025, or +0.06 °C per decade. This trend is statistically significant.

The hottest day of the period reached 32.1 °C (on 11 January 1957) and the coldest 0.8 °C (on 15 August 1943).

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

Mar de AjóBuenos Aires

coords: -36.73°, -56.68°
period: 1940–2025 · 86 yrs

CfbTemperate oceanicWarmest monthJanuaryColdest monthJulyWettest monthMarchDriest monthJune

Mean daily temperature

15.3°C

Average daily high

17.2°C

Average daily low

13.5°C

Annual rainfall

853mm

Sunshine / day

9.7h

Mean relative humidity

79%

Average peak wind

28.2km/h

Seasonal range

11.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

0 d/yr

Rainy days (≥ 1 mm)

97 d/yr

Annual snowfall

0.0 cm

Average feels-like high

16.1 °C

Average feels-like low

10.5 °C

Average peak gust

40.6 km/h

Tropical nights (≥ 20 °C)

33 d/yr

Solar radiation

17.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.5 °C

since 1940

+0.1 °C per decade · r² = 0.17 · 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

32.1 °C

11 January 1957

Coldest day

0.8 °C

15 August 1943

Wettest day

126 mm

25 January 1994

Windiest day

77.5 km/h

8 June 1993

Strongest gust

114.5 km/h

23 August 2005

Hottest feels-like

35.3 °C

1 February 2024

Coldest feels-like

-6.4 °C

1 August 1991

Snowiest day

0.2 cm

29 June 2025

Sunniest day

14.4 h

12 December 1946

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	30.4 °C31 December 2025	1.9 °C2 July 2025	15.8 °C	899 mm	1
2024	28.8 °C1 February 2024	1.6 °C11 July 2024	15.6 °C	826 mm	0
2023	31.2 °C12 February 2023	3.2 °C18 July 2023	16.0 °C	687 mm	1
2022	31.2 °C11 January 2022	3.9 °C1 June 2022	15.3 °C	767 mm	2
2021	27.9 °C21 November 2021	4.0 °C29 July 2021	15.9 °C	836 mm	0
2020	27.4 °C24 January 2020	3.2 °C15 July 2020	15.4 °C	603 mm	0
2019	29.6 °C30 January 2019	3.7 °C3 September 2019	15.5 °C	857 mm	0
2018	26.9 °C4 January 2018	2.7 °C24 June 2018	15.9 °C	905 mm	0
2017	29.5 °C30 December 2017	3.6 °C18 July 2017	16.4 °C	1,096 mm	0
2016	28.3 °C12 February 2016	4.3 °C11 June 2016	15.2 °C	870 mm	0
2015	28.3 °C9 February 2015	3.9 °C19 June 2015	15.8 °C	742 mm	0
2014	30.4 °C18 January 2014	2.6 °C1 July 2014	15.9 °C	1,138 mm	1
2013	30.9 °C29 December 2013	2.3 °C21 July 2013	15.2 °C	681 mm	2
2012	27.9 °C4 February 2012	1.8 °C11 July 2012	15.7 °C	1,040 mm	0
2011	26.8 °C7 January 2011	1.9 °C2 July 2011	15.5 °C	668 mm	0
2010	30.4 °C25 December 2010	2.5 °C16 July 2010	15.5 °C	897 mm	1
2009	29.0 °C17 January 2009	2.5 °C30 July 2009	15.5 °C	805 mm	0
2008	28.8 °C4 February 2008	3.5 °C3 August 2008	15.7 °C	697 mm	0
2007	29.3 °C2 February 2007	1.7 °C10 July 2007	14.8 °C	976 mm	0
2006	28.6 °C29 January 2006	4.3 °C21 August 2006	15.4 °C	805 mm	0
2005	27.9 °C12 January 2005	4.3 °C7 August 2005	15.2 °C	921 mm	0
2004	27.2 °C26 January 2004	3.2 °C11 July 2004	15.6 °C	728 mm	0
2003	29.5 °C30 January 2003	4.5 °C11 July 2003	15.1 °C	1,050 mm	0
2002	27.2 °C23 January 2002	2.4 °C10 July 2002	15.3 °C	1,192 mm	0
2001	27.9 °C5 January 2001	3.6 °C20 June 2001	15.6 °C	1,185 mm	0
2000	29.5 °C20 January 2000	2.7 °C23 July 2000	15.2 °C	884 mm	0
1999	26.6 °C28 November 1999	3.4 °C13 August 1999	14.9 °C	780 mm	0
1998	27.5 °C1 December 1998	6.2 °C12 August 1998	15.6 °C	851 mm	0
1997	27.7 °C1 February 1997	2.3 °C5 August 1997	15.3 °C	918 mm	0
1996	27.3 °C27 January 1996	1.8 °C29 June 1996	15.3 °C	970 mm	0
1995	29.3 °C18 December 1995	1.5 °C29 June 1995	14.5 °C	683 mm	0
1994	26.5 °C19 January 1994	2.3 °C23 July 1994	15.1 °C	1,001 mm	0
1993	28.2 °C11 January 1993	2.8 °C15 July 1993	14.9 °C	1,282 mm	0
1992	27.5 °C18 February 1992	2.0 °C1 August 1992	15.1 °C	1,004 mm	0
1991	27.0 °C19 December 1991	2.4 °C1 August 1991	15.2 °C	976 mm	0
1990	27.7 °C15 January 1990	2.3 °C22 July 1990	15.2 °C	887 mm	0
1989	27.9 °C6 February 1989	3.5 °C3 July 1989	15.7 °C	659 mm	0
1988	26.5 °C4 January 1988	2.2 °C10 July 1988	14.4 °C	800 mm	0
1987	28.2 °C29 January 1987	3.1 °C14 June 1987	15.1 °C	909 mm	0
1986	26.7 °C25 January 1986	4.6 °C14 May 1986	15.1 °C	958 mm	0
1985	26.5 °C10 January 1985	3.6 °C11 July 1985	15.2 °C	919 mm	0
1984	28.1 °C18 January 1984	2.6 °C7 August 1984	14.7 °C	1,098 mm	0
1983	27.3 °C9 February 1983	3.0 °C30 July 1983	15.0 °C	801 mm	0
1982	27.5 °C2 February 1982	3.1 °C29 June 1982	15.4 °C	982 mm	0
1981	28.1 °C13 January 1981	4.3 °C9 August 1981	15.3 °C	933 mm	0
1980	29.6 °C21 January 1980	1.6 °C30 July 1980	15.7 °C	971 mm	0
1979	27.9 °C25 February 1979	4.1 °C15 June 1979	15.2 °C	499 mm	0
1978	27.5 °C16 January 1978	4.2 °C2 September 1978	15.2 °C	877 mm	0
1977	26.6 °C27 January 1977	3.3 °C2 August 1977	15.4 °C	910 mm	0
1976	26.7 °C16 January 1976	2.7 °C10 July 1976	14.4 °C	924 mm	0
1975	28.7 °C15 January 1975	3.4 °C17 July 1975	15.2 °C	859 mm	0
1974	26.5 °C19 January 1974	3.4 °C1 September 1974	15.0 °C	691 mm	0
1973	27.3 °C4 January 1973	4.1 °C11 August 1973	15.0 °C	860 mm	0
1972	28.3 °C10 January 1972	3.6 °C3 August 1972	15.2 °C	1,356 mm	0
1971	27.6 °C27 December 1971	2.6 °C17 June 1971	15.0 °C	977 mm	0
1970	28.9 °C27 February 1970	2.5 °C1 July 1970	15.4 °C	864 mm	0
1969	28.3 °C31 January 1969	3.3 °C18 June 1969	15.4 °C	825 mm	0
1968	27.7 °C11 December 1968	3.8 °C5 July 1968	15.3 °C	805 mm	0
1967	27.4 °C8 March 1967	0.8 °C14 June 1967	15.1 °C	828 mm	0
1966	26.3 °C29 January 1966	2.7 °C24 July 1966	15.0 °C	900 mm	0
1965	28.7 °C24 January 1965	3.3 °C6 July 1965	15.2 °C	756 mm	0
1964	28.8 °C22 January 1964	2.7 °C21 June 1964	14.8 °C	916 mm	0
1963	27.3 °C26 January 1963	4.2 °C22 July 1963	15.5 °C	1,046 mm	0
1962	28.5 °C16 February 1962	4.3 °C17 July 1962	15.2 °C	518 mm	0
1961	27.5 °C24 December 1961	2.3 °C14 June 1961	15.2 °C	874 mm	0
1960	29.0 °C12 January 1960	2.1 °C1 August 1960	15.0 °C	661 mm	0
1959	28.9 °C4 February 1959	3.1 °C16 July 1959	14.9 °C	850 mm	0
1958	26.3 °C7 January 1958	3.4 °C17 June 1958	15.5 °C	835 mm	0
1957	32.1 °C11 January 1957	2.3 °C20 July 1957	15.2 °C	793 mm	1
1956	27.7 °C4 February 1956	4.9 °C7 July 1956	15.5 °C	678 mm	0
1955	27.9 °C5 January 1955	2.5 °C28 July 1955	14.9 °C	697 mm	0
1954	28.7 °C24 February 1954	4.0 °C4 August 1954	15.4 °C	714 mm	0
1953	30.2 °C4 January 1953	2.9 °C24 July 1953	15.5 °C	695 mm	1
1952	28.5 °C26 December 1952	4.3 °C29 June 1952	15.2 °C	810 mm	0
1951	27.9 °C19 February 1951	3.9 °C4 August 1951	15.3 °C	940 mm	0
1950	29.1 °C29 January 1950	4.1 °C11 July 1950	14.9 °C	592 mm	0
1949	29.3 °C6 February 1949	3.4 °C11 August 1949	14.8 °C	733 mm	0
1948	29.2 °C25 January 1948	2.8 °C8 August 1948	15.5 °C	563 mm	0
1947	29.5 °C1 February 1947	4.2 °C10 July 1947	15.8 °C	515 mm	0
1946	29.9 °C12 February 1946	3.6 °C14 July 1946	15.2 °C	772 mm	0
1945	26.0 °C4 January 1945	2.7 °C8 July 1945	15.1 °C	738 mm	0
1944	30.2 °C12 February 1944	4.8 °C16 August 1944	15.3 °C	747 mm	1
1943	28.6 °C25 February 1943	0.8 °C15 August 1943	15.5 °C	808 mm	0
1942	26.4 °C25 January 1942	3.3 °C17 June 1942	14.8 °C	1,062 mm	0
1941	27.3 °C21 January 1941	3.7 °C28 June 1941	14.6 °C	822 mm	0
1940	27.7 °C3 December 1940	3.2 °C2 August 1940	14.7 °C	892 mm	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

17.7 °C

+0.5 °C

Hot days (≥ 30 °C)

1 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

899 mm

+46 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	22.9 °C	-0.1 °C	14 mm	-58 mm
Feb	24.6 °C	+1.7 °C	72 mm	-5 mm
Mar	22.4 °C	+0.9 °C	103 mm	+23 mm
Apr	18.3 °C	-0.3 °C	55 mm	-24 mm
May	16.6 °C	+1.1 °C	126 mm	+59 mm
Jun	12.0 °C	-0.7 °C	51 mm	-12 mm
Jul	10.9 °C	-0.6 °C	28 mm	-37 mm
Aug	12.6 °C	+0.5 °C	93 mm	+28 mm
Sep	14.0 °C	+0.7 °C	81 mm	+14 mm
Oct	17.1 °C	+1.3 °C	150 mm	+71 mm
Nov	18.7 °C	+0.1 °C	45 mm	-31 mm
Dec	22.9 °C	+1.7 °C	80 mm	+16 mm

The year's extremes

Hottest day

30.4 °C

31 Dec 2025

Coldest day

1.9 °C

2 Jul 2025

Wettest day

50.5 mm

20 Aug 2025

Windiest day

55.4 km/h

16 Nov 2025

Strongest gust

79.6 km/h

16 Nov 2025

Hottest feels-like

32.0 °C

25 Feb 2025

Coldest feels-like

-3.9 °C

30 Jun 2025

Snowiest day

0.2 cm

29 Jun 2025

Sunniest day

14.3 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 Mar de Ajó?

Mar de Ajó has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 853 mm of precipitation per year.

What is the hottest day ever recorded in Mar de Ajó?

The hottest day measured in Mar de Ajó between 1940 and 2025 was 11 January 1957, reaching 32.1 °C.

What is the coldest day in Mar de Ajó?

The coldest day measured in Mar de Ajó between 1940 and 2025 was 15 August 1943, at 0.8 °C.

Does it snow in Mar de Ajó?

Almost never: Mar de Ajó sees virtually no snow, with about 0 frost days per year.

Has the climate of Mar de Ajó warmed?

Yes: Mar de Ajó warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Mar de Ajó?

The wettest day measured in Mar de Ajó between 1940 and 2025 was 25 January 1994, with 126 mm of rain in 24 hours.

What was the windiest day in Mar de Ajó?

The windiest day measured in Mar de Ajó between 1940 and 2025 was 8 June 1993, with winds reaching 77.5 km/h.

What is the warmest month in Mar de Ajó?

The warmest month in Mar de Ajó is January (21.0 °C on average); the coldest is July (9.7 °C).

How much does it rain in Mar de Ajó?

Mar de Ajó receives on average 853 mm of precipitation per year, spread over about 97 rainy days.

Is it sunny in Mar de Ajó?

Mar de Ajó gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

What is the biggest single-day snowfall in Mar de Ajó?

The heaviest 24-hour snowfall measured in Mar de Ajó between 1940 and 2025 was 29 June 2025, with 0.2 cm.

Are there tropical nights in Mar de Ajó?

Yes: Mar de Ajó has on average 33 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Mar de Ajó?

In Mar de Ajó, between 1940 and 2025, the highest apparent temperature reached 35.3 °C on 1 February 2024, and the lowest was -6.4 °C on 1 August 1991.

Compare Mar de Ajó with another city

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

Nearby cities

The climate around Mar de Ajó

Other cities — Argentina

All cities in Argentina →