Avellaneda climate — normals and trends

Q: What is the climate of Avellaneda?

Avellaneda has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.3 °C and it receives 1,293 mm of precipitation per year.

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

The hottest day measured in Avellaneda between 1940 and 2025 was 2 November 2009, reaching 42.4 °C.

Q: What is the coldest day in Avellaneda?

The coldest day measured in Avellaneda between 1940 and 2025 was 11 July 2007, at -3.6 °C.

Q: Does it snow in Avellaneda?

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

Q: Has the climate of Avellaneda warmed?

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

Q: What is the wettest day in Avellaneda?

The wettest day measured in Avellaneda between 1940 and 2025 was 3 May 1983, with 131 mm of rain in 24 hours.

Q: What was the windiest day in Avellaneda?

The windiest day measured in Avellaneda between 1940 and 2025 was 19 July 1948, with winds reaching 46.2 km/h.

Q: What is the warmest month in Avellaneda?

The warmest month in Avellaneda is January (26.5 °C on average); the coldest is July (14.0 °C).

Q: How much does it rain in Avellaneda?

Avellaneda receives on average 1,293 mm of precipitation per year, spread over about 103 rainy days.

Q: Is it sunny in Avellaneda?

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

Avellaneda (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.3 °C and it receives 1,293 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 (26.5 °C on average) and the coldest is July (14.0 °C). Rainfall peaks in January.

Avellaneda averages 1 frost days, 95 hot days (≥ 30 °C) and 103 rainy days per year.

No statistically significant temperature trend emerges for Avellaneda 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 2 November 2009) and the coldest -3.6 °C (on 11 July 2007).

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

AvellanedaSanta Fe

coords: -29.12°, -59.66°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthJanuaryDriest monthJuly

Mean daily temperature

20.3°C

Average daily high

25.6°C

Average daily low

15.6°C

Annual rainfall

1,293mm

Sunshine / day

9.4h

Mean relative humidity

73%

Average peak wind

17.2km/h

Seasonal range

12.5°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

95 d/yr

Rainy days (≥ 1 mm)

103 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.7 °C

Average feels-like low

15.2 °C

Average peak gust

33.5 km/h

Tropical nights (≥ 20 °C)

95 d/yr

Solar radiation

17.5 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

2 November 2009

Coldest day

-3.6 °C

11 July 2007

Wettest day

131 mm

3 May 1983

Windiest day

46.2 km/h

19 July 1948

Strongest gust

91.1 km/h

17 October 1982

Hottest feels-like

46.5 °C

9 January 2005

Coldest feels-like

-7.5 °C

11 July 2007

Sunniest day

13.9 h

17 December 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.6 °C5 February 2025	-2.1 °C1 July 2025	20.7 °C	1,078 mm	119	4
2024	40.2 °C3 February 2024	-2.5 °C12 July 2024	21.0 °C	1,250 mm	123	3
2023	40.7 °C20 January 2023	1.5 °C19 July 2023	22.0 °C	778 mm	136	0
2022	41.0 °C27 February 2022	-0.9 °C19 August 2022	20.4 °C	615 mm	121	1
2021	38.6 °C18 August 2021	-3.6 °C29 July 2021	20.1 °C	1,037 mm	121	4
2020	40.3 °C24 November 2020	-1.7 °C29 July 2020	20.6 °C	866 mm	141	2
2019	39.2 °C12 October 2019	-0.9 °C6 July 2019	20.3 °C	1,455 mm	88	1
2018	39.8 °C11 December 2018	0.3 °C16 June 2018	20.6 °C	1,080 mm	123	0
2017	40.2 °C16 December 2017	-3.5 °C18 July 2017	20.7 °C	1,278 mm	100	1
2016	38.2 °C26 November 2016	-1.3 °C12 June 2016	19.7 °C	1,405 mm	98	1
2015	36.6 °C6 January 2015	1.5 °C19 June 2015	20.9 °C	1,459 mm	95	0
2014	40.1 °C7 January 2014	-0.2 °C25 July 2014	20.8 °C	1,633 mm	96	1
2013	39.8 °C26 December 2013	-1.5 °C14 August 2013	20.3 °C	1,081 mm	107	3
2012	39.1 °C25 December 2012	-2.8 °C7 June 2012	21.0 °C	1,276 mm	129	3
2011	40.9 °C20 December 2011	-1.9 °C27 June 2011	19.9 °C	1,070 mm	89	2
2010	38.2 °C7 February 2010	-0.3 °C13 July 2010	19.7 °C	1,360 mm	94	2
2009	42.4 °C2 November 2009	-1.3 °C24 July 2009	20.9 °C	1,310 mm	145	1
2008	40.1 °C10 January 2008	-2.2 °C30 May 2008	20.7 °C	855 mm	125	2
2007	36.9 °C25 February 2007	-3.6 °C11 July 2007	19.5 °C	1,431 mm	107	3
2006	40.4 °C8 January 2006	-0.3 °C31 July 2006	21.1 °C	1,048 mm	126	1
2005	38.9 °C14 January 2005	0.9 °C23 July 2005	20.2 °C	1,086 mm	106	0
2004	40.1 °C4 September 2004	-1.1 °C12 June 2004	20.5 °C	908 mm	117	1
2003	39.1 °C1 February 2003	1.1 °C12 July 2003	20.2 °C	1,354 mm	99	0
2002	37.5 °C27 February 2002	0.4 °C2 September 2002	20.4 °C	1,785 mm	96	0
2001	37.4 °C11 February 2001	-1.0 °C28 July 2001	20.4 °C	1,583 mm	96	2
2000	36.6 °C8 January 2000	-2.2 °C17 July 2000	19.5 °C	1,608 mm	81	4
1999	37.5 °C30 November 1999	-0.6 °C15 August 1999	19.8 °C	1,181 mm	108	1
1998	38.1 °C21 January 1998	2.1 °C25 June 1998	19.6 °C	1,837 mm	60	0
1997	37.0 °C26 December 1997	1.6 °C29 June 1997	20.9 °C	1,301 mm	107	0
1996	37.8 °C20 September 1996	-2.7 °C29 June 1996	20.0 °C	1,472 mm	93	1
1995	39.4 °C5 November 1995	-0.4 °C5 August 1995	19.9 °C	1,031 mm	84	1
1994	38.2 °C20 January 1994	-0.3 °C10 July 1994	20.4 °C	1,339 mm	95	1
1993	36.7 °C28 August 1993	-0.7 °C14 July 1993	19.7 °C	1,562 mm	96	3
1992	37.4 °C8 February 1992	0.4 °C23 July 1992	19.5 °C	1,522 mm	79	0
1991	38.3 °C20 January 1991	-2.6 °C2 August 1991	20.2 °C	1,579 mm	90	2
1990	38.1 °C7 January 1990	-0.2 °C22 July 1990	19.9 °C	1,584 mm	78	2
1989	39.0 °C18 January 1989	-0.6 °C6 July 1989	20.2 °C	1,030 mm	100	2
1988	39.5 °C11 November 1988	-1.9 °C24 July 1988	19.6 °C	1,159 mm	115	6
1987	38.8 °C25 February 1987	0.0 °C16 June 1987	19.8 °C	1,150 mm	88	0
1986	39.6 °C25 January 1986	2.6 °C31 May 1986	20.9 °C	1,939 mm	98	0
1985	38.6 °C7 December 1985	0.2 °C9 June 1985	20.6 °C	1,436 mm	102	0
1984	37.8 °C7 January 1984	-1.0 °C25 August 1984	19.7 °C	1,412 mm	71	1
1983	37.5 °C27 December 1983	1.0 °C5 June 1983	19.5 °C	1,416 mm	95	0
1982	38.2 °C16 January 1982	0.2 °C29 June 1982	20.4 °C	1,549 mm	90	0
1981	35.0 °C5 January 1981	-0.5 °C18 June 1981	20.1 °C	1,231 mm	90	1
1980	38.4 °C22 January 1980	-1.5 °C3 July 1980	20.3 °C	1,474 mm	104	3
1979	37.9 °C17 January 1979	0.4 °C14 June 1979	19.8 °C	1,122 mm	83	0
1978	37.2 °C23 December 1978	-0.7 °C9 June 1978	19.9 °C	1,332 mm	98	1
1977	37.0 °C27 December 1977	0.8 °C23 June 1977	20.3 °C	1,430 mm	92	0
1976	36.4 °C13 December 1976	-2.9 °C10 July 1976	19.3 °C	1,256 mm	73	1
1975	40.6 °C12 February 1975	-1.4 °C18 July 1975	19.7 °C	1,311 mm	79	2
1974	38.9 °C2 January 1974	0.5 °C13 June 1974	19.6 °C	1,225 mm	75	0
1973	38.0 °C12 January 1973	1.1 °C18 July 1973	19.5 °C	1,606 mm	74	0
1972	38.2 °C7 February 1972	-0.1 °C4 August 1972	19.8 °C	1,634 mm	81	1
1971	40.6 °C28 December 1971	-1.6 °C12 June 1971	19.9 °C	1,147 mm	103	2
1970	39.1 °C21 January 1970	-0.4 °C2 July 1970	20.3 °C	1,584 mm	104	1
1969	39.6 °C7 February 1969	-1.2 °C18 June 1969	20.2 °C	1,489 mm	101	2
1968	40.8 °C12 December 1968	1.8 °C17 May 1968	20.0 °C	1,519 mm	96	0
1967	37.5 °C17 December 1967	-0.2 °C14 June 1967	20.2 °C	1,841 mm	96	1
1966	37.6 °C6 November 1966	-0.5 °C5 August 1966	19.8 °C	1,228 mm	65	1
1965	39.3 °C29 November 1965	-0.8 °C11 July 1965	20.3 °C	937 mm	103	1
1964	38.5 °C25 January 1964	1.0 °C9 July 1964	19.4 °C	1,048 mm	91	0
1963	41.0 °C4 January 1963	1.3 °C6 August 1963	20.7 °C	1,454 mm	102	0
1962	41.4 °C28 November 1962	-0.3 °C25 July 1962	19.7 °C	696 mm	112	1
1961	38.0 °C20 January 1961	-1.4 °C16 June 1961	20.5 °C	1,231 mm	89	2
1960	37.0 °C9 December 1960	-0.5 °C8 July 1960	19.9 °C	1,041 mm	100	1
1959	35.7 °C25 January 1959	3.8 °C20 May 1959	19.7 °C	1,891 mm	68	0
1958	39.3 °C13 February 1958	2.3 °C10 August 1958	20.0 °C	1,430 mm	71	0
1957	36.4 °C19 January 1957	-0.8 °C21 July 1957	20.2 °C	1,360 mm	103	2
1956	35.5 °C27 December 1956	1.6 °C11 June 1956	19.2 °C	1,714 mm	39	0
1955	37.5 °C17 January 1955	-0.3 °C31 July 1955	19.7 °C	1,384 mm	72	2
1954	35.4 °C1 December 1954	4.4 °C6 August 1954	20.0 °C	1,215 mm	75	0
1953	38.0 °C4 January 1953	3.5 °C20 July 1953	20.8 °C	1,367 mm	65	0
1952	37.2 °C26 November 1952	3.1 °C18 June 1952	20.4 °C	1,053 mm	80	0
1951	34.6 °C14 January 1951	5.0 °C28 June 1951	20.7 °C	1,344 mm	45	0
1950	38.9 °C12 December 1950	3.2 °C5 August 1950	20.5 °C	1,023 mm	92	0
1949	38.0 °C22 December 1949	1.8 °C11 August 1949	20.4 °C	1,123 mm	91	0
1948	35.2 °C1 January 1948	3.7 °C28 July 1948	20.3 °C	1,462 mm	51	0
1947	36.2 °C23 January 1947	1.8 °C11 July 1947	20.6 °C	1,096 mm	81	0
1946	39.5 °C25 January 1946	2.1 °C21 July 1946	20.4 °C	1,378 mm	77	0
1945	40.1 °C15 January 1945	0.4 °C23 June 1945	21.7 °C	735 mm	127	0
1944	38.3 °C22 December 1944	0.9 °C7 July 1944	21.5 °C	1,311 mm	94	0
1943	41.4 °C17 January 1943	3.1 °C31 August 1943	22.0 °C	871 mm	130	0
1942	39.6 °C29 December 1942	0.4 °C16 June 1942	20.4 °C	833 mm	107	0
1941	36.3 °C16 February 1941	2.4 °C25 June 1941	20.3 °C	1,197 mm	68	0
1940	35.7 °C25 December 1940	3.7 °C3 August 1940	20.1 °C	1,357 mm	89	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

26.6 °C

+1.0 °C

Hot days (≥ 30 °C)

119 d/yr

+24

Frost days (< 0 °C)

4 d/yr

Annual rainfall

1078 mm

-215 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	34.5 °C	+2.8 °C	31 mm	-109 mm
Feb	36.3 °C	+5.4 °C	73 mm	-50 mm
Mar	32.2 °C	+3.3 °C	90 mm	-45 mm
Apr	24.9 °C	-0.3 °C	40 mm	-89 mm
May	23.5 °C	+1.5 °C	152 mm	+71 mm
Jun	16.7 °C	-2.5 °C	56 mm	-8 mm
Jul	20.4 °C	+1.1 °C	44 mm	-8 mm
Aug	22.0 °C	+0.7 °C	87 mm	+24 mm
Sep	23.1 °C	-0.2 °C	133 mm	+28 mm
Oct	26.7 °C	+0.9 °C	69 mm	-71 mm
Nov	28.7 °C	+0.4 °C	132 mm	-3 mm
Dec	30.8 °C	+0.1 °C	172 mm	+44 mm

The year's extremes

Hottest day

40.6 °C

5 Feb 2025

Coldest day

-2.1 °C

1 Jul 2025

Wettest day

44.8 mm

16 Nov 2025

Windiest day

36.8 km/h

5 Oct 2025

Strongest gust

62.3 km/h

24 Oct 2025

Hottest feels-like

44.8 °C

24 Feb 2025

Coldest feels-like

-5.9 °C

1 Jul 2025

Sunniest day

13.9 h

18 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 Avellaneda?

Avellaneda has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.3 °C and it receives 1,293 mm of precipitation per year.

What is the hottest day ever recorded in Avellaneda?

The hottest day measured in Avellaneda between 1940 and 2025 was 2 November 2009, reaching 42.4 °C.

What is the coldest day in Avellaneda?

The coldest day measured in Avellaneda between 1940 and 2025 was 11 July 2007, at -3.6 °C.

Does it snow in Avellaneda?

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

Has the climate of Avellaneda warmed?

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

What is the wettest day in Avellaneda?

The wettest day measured in Avellaneda between 1940 and 2025 was 3 May 1983, with 131 mm of rain in 24 hours.

What was the windiest day in Avellaneda?

The windiest day measured in Avellaneda between 1940 and 2025 was 19 July 1948, with winds reaching 46.2 km/h.

What is the warmest month in Avellaneda?

The warmest month in Avellaneda is January (26.5 °C on average); the coldest is July (14.0 °C).

How much does it rain in Avellaneda?

Avellaneda receives on average 1,293 mm of precipitation per year, spread over about 103 rainy days.

Is it sunny in Avellaneda?

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

Are there tropical nights in Avellaneda?

Yes: Avellaneda has on average 95 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Avellaneda?

In Avellaneda, between 1940 and 2025, the highest apparent temperature reached 46.5 °C on 9 January 2005, and the lowest was -7.5 °C on 11 July 2007.

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