Mar del Tuyu climate — normals and trends

Q: What is the climate of Mar del Tuyu?

Mar del Tuyu has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 15.5 °C and it receives 850 mm of precipitation per year.

Q: What is the hottest day ever recorded in Mar del Tuyu?

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

Q: What is the coldest day in Mar del Tuyu?

The coldest day measured in Mar del Tuyu between 1940 and 2025 was 14 June 1967, at 0.8 °C.

Q: Does it snow in Mar del Tuyu?

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

Q: Has the climate of Mar del Tuyu warmed?

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

Q: What is the wettest day in Mar del Tuyu?

The wettest day measured in Mar del Tuyu between 1940 and 2025 was 24 December 1972, with 125 mm of rain in 24 hours.

Q: What was the windiest day in Mar del Tuyu?

The windiest day measured in Mar del Tuyu between 1940 and 2025 was 23 August 2005, with winds reaching 75.6 km/h.

Q: What is the warmest month in Mar del Tuyu?

The warmest month in Mar del Tuyu is January (21.3 °C on average); the coldest is July (9.8 °C).

Q: How much does it rain in Mar del Tuyu?

Mar del Tuyu receives on average 850 mm of precipitation per year, spread over about 95 rainy days.

Q: Is it sunny in Mar del Tuyu?

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

Mar del Tuyu (Argentina) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 15.5 °C and it receives 850 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 (21.3 °C on average) and the coldest is July (9.8 °C). Rainfall peaks in March.

Mar del Tuyu averages 0 frost days, 0 hot days (≥ 30 °C) and 95 rainy days per year.

Mar del Tuyu has warmed by +0.6 °C between 1940 and 2025, or +0.07 °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 14 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

Mar del TuyuBuenos Aires

coords: -36.57°, -56.69°
period: 1940–2025 · 86 yrs

CfbTemperate oceanicWarmest monthJanuaryColdest monthJulyWettest monthMarchDriest monthJune

Mean daily temperature

15.5°C

Average daily high

17.3°C

Average daily low

13.8°C

Annual rainfall

850mm

Sunshine / day

9.7h

Mean relative humidity

78%

Average peak wind

28.3km/h

Seasonal range

11.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

0 d/yr

Rainy days (≥ 1 mm)

95 d/yr

Annual snowfall

0.0 cm

Average feels-like high

16.3 °C

Average feels-like low

10.9 °C

Average peak gust

40.6 km/h

Tropical nights (≥ 20 °C)

40 d/yr

Solar radiation

17.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.6 °C

since 1940

+0.1 °C per decade · r² = 0.19 · 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

14 June 1967

Wettest day

125 mm

24 December 1972

Windiest day

75.6 km/h

23 August 2005

Strongest gust

118.4 km/h

23 August 2005

Hottest feels-like

35.9 °C

1 February 2024

Coldest feels-like

-6.3 °C

1 August 1991

Snowiest day

0.2 cm

29 June 2025

Sunniest day

14.4 h

13 December 2019

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	30.7 °C31 December 2025	2.5 °C30 June 2025	16.1 °C	889 mm	1
2024	29.4 °C1 February 2024	2.3 °C11 July 2024	15.9 °C	843 mm	0
2023	31.3 °C12 February 2023	3.4 °C18 July 2023	16.3 °C	684 mm	1
2022	31.1 °C11 January 2022	4.1 °C1 June 2022	15.5 °C	722 mm	3
2021	27.9 °C21 November 2021	4.0 °C29 July 2021	16.2 °C	821 mm	0
2020	27.4 °C24 January 2020	3.4 °C20 August 2020	15.7 °C	567 mm	0
2019	29.1 °C28 January 2019	3.8 °C3 September 2019	15.7 °C	840 mm	0
2018	27.2 °C8 February 2018	2.7 °C24 June 2018	16.2 °C	904 mm	0
2017	28.6 °C30 December 2017	4.0 °C17 July 2017	16.6 °C	1,088 mm	0
2016	28.4 °C12 February 2016	4.3 °C11 June 2016	15.4 °C	876 mm	0
2015	28.0 °C9 February 2015	3.9 °C11 September 2015	16.1 °C	736 mm	0
2014	30.4 °C18 January 2014	3.3 °C1 July 2014	16.2 °C	1,127 mm	1
2013	31.2 °C29 December 2013	2.4 °C21 July 2013	15.5 °C	661 mm	2
2012	28.2 °C16 February 2012	2.3 °C11 July 2012	16.0 °C	1,008 mm	0
2011	26.8 °C7 January 2011	2.1 °C2 July 2011	15.7 °C	671 mm	0
2010	29.8 °C25 December 2010	2.5 °C16 July 2010	15.8 °C	908 mm	0
2009	28.8 °C17 January 2009	2.4 °C30 July 2009	15.7 °C	825 mm	0
2008	28.5 °C8 January 2008	3.4 °C3 August 2008	16.0 °C	707 mm	0
2007	29.1 °C2 February 2007	1.8 °C10 July 2007	15.1 °C	981 mm	0
2006	28.6 °C29 January 2006	4.3 °C21 August 2006	15.7 °C	812 mm	0
2005	28.1 °C12 January 2005	4.4 °C7 August 2005	15.5 °C	952 mm	0
2004	28.2 °C26 January 2004	3.5 °C11 July 2004	15.9 °C	729 mm	0
2003	29.6 °C30 January 2003	4.4 °C11 July 2003	15.4 °C	1,102 mm	0
2002	27.8 °C23 January 2002	2.8 °C9 July 2002	15.6 °C	1,238 mm	0
2001	28.1 °C5 January 2001	4.0 °C20 June 2001	15.9 °C	1,189 mm	0
2000	29.4 °C20 January 2000	2.8 °C23 July 2000	15.5 °C	946 mm	0
1999	26.5 °C28 November 1999	3.4 °C13 August 1999	15.2 °C	781 mm	0
1998	27.2 °C1 December 1998	7.0 °C12 August 1998	15.8 °C	824 mm	0
1997	27.9 °C1 February 1997	3.2 °C5 August 1997	15.6 °C	914 mm	0
1996	27.4 °C27 January 1996	1.9 °C29 June 1996	15.6 °C	962 mm	0
1995	30.9 °C18 December 1995	1.6 °C29 June 1995	14.8 °C	670 mm	1
1994	26.2 °C19 January 1994	2.5 °C23 July 1994	15.3 °C	1,019 mm	0
1993	27.8 °C11 January 1993	3.4 °C15 July 1993	15.1 °C	1,337 mm	0
1992	27.4 °C18 February 1992	2.3 °C16 July 1992	15.3 °C	961 mm	0
1991	26.8 °C19 December 1991	2.5 °C1 August 1991	15.4 °C	971 mm	0
1990	27.3 °C15 January 1990	2.8 °C22 July 1990	15.4 °C	911 mm	0
1989	27.9 °C6 February 1989	4.1 °C3 July 1989	15.9 °C	643 mm	0
1988	26.3 °C4 January 1988	1.9 °C10 July 1988	14.5 °C	887 mm	0
1987	28.2 °C7 March 1987	3.3 °C14 June 1987	15.3 °C	843 mm	0
1986	26.8 °C25 January 1986	5.0 °C14 May 1986	15.3 °C	966 mm	0
1985	27.5 °C10 January 1985	4.1 °C11 July 1985	15.4 °C	947 mm	0
1984	28.0 °C28 January 1984	2.6 °C27 June 1984	14.9 °C	1,117 mm	0
1983	27.4 °C23 January 1983	3.2 °C30 July 1983	15.2 °C	836 mm	0
1982	27.7 °C2 February 1982	3.1 °C16 June 1982	15.6 °C	997 mm	0
1981	27.6 °C18 January 1981	4.7 °C9 August 1981	15.4 °C	973 mm	0
1980	29.4 °C22 January 1980	1.9 °C30 July 1980	15.9 °C	965 mm	0
1979	29.7 °C25 February 1979	4.5 °C15 June 1979	15.4 °C	471 mm	0
1978	27.1 °C16 January 1978	4.3 °C19 August 1978	15.4 °C	871 mm	0
1977	26.6 °C8 January 1977	3.3 °C2 August 1977	15.6 °C	885 mm	0
1976	26.4 °C17 January 1976	2.9 °C10 July 1976	14.6 °C	916 mm	0
1975	29.0 °C15 January 1975	2.9 °C17 July 1975	15.3 °C	805 mm	0
1974	26.7 °C19 January 1974	4.1 °C16 August 1974	15.1 °C	639 mm	0
1973	27.1 °C4 January 1973	4.5 °C18 July 1973	15.1 °C	892 mm	0
1972	28.3 °C5 February 1972	3.6 °C3 August 1972	15.3 °C	1,254 mm	0
1971	27.8 °C27 December 1971	2.7 °C17 June 1971	15.2 °C	948 mm	0
1970	29.0 °C27 February 1970	2.5 °C1 July 1970	15.6 °C	888 mm	0
1969	28.1 °C31 January 1969	3.4 °C18 June 1969	15.6 °C	786 mm	0
1968	27.9 °C11 December 1968	4.0 °C5 July 1968	15.5 °C	755 mm	0
1967	27.1 °C25 December 1967	0.8 °C14 June 1967	15.2 °C	855 mm	0
1966	26.7 °C6 February 1966	2.6 °C24 July 1966	15.2 °C	943 mm	0
1965	28.5 °C24 January 1965	2.9 °C11 July 1965	15.4 °C	732 mm	0
1964	28.3 °C14 February 1964	3.2 °C21 June 1964	15.1 °C	903 mm	0
1963	27.0 °C26 January 1963	4.5 °C22 July 1963	15.7 °C	984 mm	0
1962	28.2 °C16 February 1962	4.6 °C20 August 1962	15.4 °C	512 mm	0
1961	26.9 °C30 January 1961	2.5 °C14 June 1961	15.4 °C	883 mm	0
1960	29.1 °C12 January 1960	2.1 °C1 August 1960	15.3 °C	697 mm	0
1959	28.7 °C4 February 1959	3.4 °C16 July 1959	15.1 °C	872 mm	0
1958	26.7 °C7 January 1958	3.6 °C17 June 1958	15.8 °C	802 mm	0
1957	32.1 °C11 January 1957	2.8 °C20 July 1957	15.4 °C	793 mm	1
1956	28.0 °C10 January 1956	5.4 °C11 June 1956	15.8 °C	678 mm	0
1955	28.3 °C5 January 1955	2.5 °C28 July 1955	15.2 °C	649 mm	0
1954	28.6 °C24 February 1954	4.1 °C4 August 1954	15.7 °C	729 mm	0
1953	29.1 °C4 January 1953	3.2 °C24 July 1953	15.7 °C	658 mm	0
1952	28.2 °C27 December 1952	4.5 °C19 September 1952	15.5 °C	731 mm	0
1951	28.0 °C1 February 1951	4.2 °C3 August 1951	15.5 °C	904 mm	0
1950	29.4 °C29 January 1950	4.5 °C11 July 1950	15.1 °C	589 mm	0
1949	29.2 °C6 February 1949	3.7 °C11 August 1949	15.0 °C	701 mm	0
1948	29.1 °C6 February 1948	3.0 °C8 August 1948	15.7 °C	580 mm	0
1947	29.5 °C22 January 1947	4.4 °C10 July 1947	16.1 °C	535 mm	0
1946	29.6 °C12 February 1946	3.6 °C14 July 1946	15.5 °C	709 mm	0
1945	27.4 °C23 December 1945	2.6 °C8 July 1945	15.4 °C	785 mm	0
1944	30.1 °C12 February 1944	5.1 °C16 August 1944	15.6 °C	771 mm	1
1943	28.1 °C25 February 1943	1.0 °C15 August 1943	15.7 °C	869 mm	0
1942	26.2 °C16 January 1942	3.2 °C17 June 1942	15.0 °C	1,090 mm	0
1941	27.3 °C21 January 1941	4.1 °C28 June 1941	14.8 °C	839 mm	0
1940	26.9 °C3 December 1940	3.7 °C2 August 1940	15.0 °C	836 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

17.9 °C

+0.6 °C

Hot days (≥ 30 °C)

1 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

889 mm

+39 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	23.3 °C	+0.1 °C	12 mm	-59 mm
Feb	24.9 °C	+1.8 °C	95 mm	+18 mm
Mar	22.6 °C	+1.0 °C	108 mm	+27 mm
Apr	18.3 °C	-0.4 °C	48 mm	-30 mm
May	16.7 °C	+1.2 °C	129 mm	+62 mm
Jun	12.0 °C	-0.6 °C	52 mm	-10 mm
Jul	10.9 °C	-0.5 °C	28 mm	-38 mm
Aug	12.7 °C	+0.6 °C	85 mm	+20 mm
Sep	14.4 °C	+0.9 °C	79 mm	+10 mm
Oct	17.5 °C	+1.5 °C	142 mm	+64 mm
Nov	19.1 °C	+0.3 °C	43 mm	-32 mm
Dec	23.2 °C	+1.7 °C	68 mm	+5 mm

The year's extremes

Hottest day

30.7 °C

31 Dec 2025

Coldest day

2.5 °C

30 Jun 2025

Wettest day

68.6 mm

5 Feb 2025

Windiest day

56.1 km/h

16 Nov 2025

Strongest gust

84.2 km/h

23 Jun 2025

Hottest feels-like

32.3 °C

25 Feb 2025

Coldest feels-like

-3.8 °C

30 Jun 2025

Snowiest day

0.2 cm

29 Jun 2025

Sunniest day

14.3 h

16 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 del Tuyu?

Mar del Tuyu has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 15.5 °C and it receives 850 mm of precipitation per year.

What is the hottest day ever recorded in Mar del Tuyu?

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

What is the coldest day in Mar del Tuyu?

The coldest day measured in Mar del Tuyu between 1940 and 2025 was 14 June 1967, at 0.8 °C.

Does it snow in Mar del Tuyu?

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

Has the climate of Mar del Tuyu warmed?

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

What is the wettest day in Mar del Tuyu?

The wettest day measured in Mar del Tuyu between 1940 and 2025 was 24 December 1972, with 125 mm of rain in 24 hours.

What was the windiest day in Mar del Tuyu?

The windiest day measured in Mar del Tuyu between 1940 and 2025 was 23 August 2005, with winds reaching 75.6 km/h.

What is the warmest month in Mar del Tuyu?

The warmest month in Mar del Tuyu is January (21.3 °C on average); the coldest is July (9.8 °C).

How much does it rain in Mar del Tuyu?

Mar del Tuyu receives on average 850 mm of precipitation per year, spread over about 95 rainy days.

Is it sunny in Mar del Tuyu?

Mar del Tuyu 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 del Tuyu?

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

Are there tropical nights in Mar del Tuyu?

Yes: Mar del Tuyu has on average 40 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Mar del Tuyu?

In Mar del Tuyu, between 1940 and 2025, the highest apparent temperature reached 35.9 °C on 1 February 2024, and the lowest was -6.3 °C on 1 August 1991.

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