Santa Elena climate — normals and trends

Q: What is the climate of Santa Elena?

Santa Elena has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.1 °C and it receives 1,155 mm of precipitation per year.

Q: What is the hottest day ever recorded in Santa Elena?

The hottest day measured in Santa Elena between 1940 and 2025 was 30 December 2013, reaching 41.1 °C.

Q: What is the coldest day in Santa Elena?

The coldest day measured in Santa Elena between 1940 and 2025 was 10 July 1976, at -4.1 °C.

Q: Does it snow in Santa Elena?

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

Q: Has the climate of Santa Elena warmed?

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

Q: What is the wettest day in Santa Elena?

The wettest day measured in Santa Elena between 1940 and 2025 was 11 April 2005, with 148 mm of rain in 24 hours.

Q: What was the windiest day in Santa Elena?

The windiest day measured in Santa Elena between 1940 and 2025 was 17 October 1982, with winds reaching 54.1 km/h.

Q: What is the warmest month in Santa Elena?

The warmest month in Santa Elena is January (25.8 °C on average); the coldest is July (12.5 °C).

Q: How much does it rain in Santa Elena?

Santa Elena receives on average 1,155 mm of precipitation per year, spread over about 91 rainy days.

Q: Is it sunny in Santa Elena?

Santa Elena gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.

Santa Elena (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.1 °C and it receives 1,155 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 (25.8 °C on average) and the coldest is July (12.5 °C). Rainfall peaks in March.

Santa Elena averages 2 frost days, 75 hot days (≥ 30 °C) and 91 rainy days per year.

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

The hottest day of the period reached 41.1 °C (on 30 December 2013) and the coldest -4.1 °C (on 10 July 1976).

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

Santa ElenaEntre Rios

coords: -30.94°, -59.79°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthMarchDriest monthJuly

Mean daily temperature

19.1°C

Average daily high

24.3°C

Average daily low

14.4°C

Annual rainfall

1,155mm

Sunshine / day

9.5h

Mean relative humidity

73%

Average peak wind

17.3km/h

Seasonal range

13.3°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

75 d/yr

Rainy days (≥ 1 mm)

91 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.1 °C

Average feels-like low

13.6 °C

Average peak gust

33.4 km/h

Tropical nights (≥ 20 °C)

68 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

41.1 °C

30 December 2013

Coldest day

-4.1 °C

10 July 1976

Wettest day

148 mm

11 April 2005

Windiest day

54.1 km/h

17 October 1982

Strongest gust

100.1 km/h

17 October 1982

Hottest feels-like

47.0 °C

12 January 1973

Coldest feels-like

-7.7 °C

12 July 2024

Sunniest day

14.0 h

20 December 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.0 °C10 February 2025	-3.4 °C1 July 2025	19.6 °C	1,070 mm	106	4
2024	38.4 °C3 February 2024	-3.7 °C12 July 2024	19.5 °C	1,074 mm	84	6
2023	40.1 °C7 February 2023	-0.1 °C14 June 2023	20.4 °C	1,044 mm	104	1
2022	40.2 °C13 January 2022	-1.4 °C19 August 2022	18.8 °C	621 mm	84	2
2021	37.8 °C29 December 2021	-1.6 °C30 June 2021	19.2 °C	755 mm	96	5
2020	39.1 °C24 November 2020	-2.5 °C14 July 2020	19.1 °C	667 mm	89	2
2019	37.7 °C2 January 2019	-3.1 °C6 July 2019	18.9 °C	1,504 mm	62	2
2018	36.9 °C7 February 2018	-0.7 °C15 June 2018	19.3 °C	978 mm	97	3
2017	36.9 °C3 January 2017	-1.1 °C18 July 2017	19.6 °C	1,363 mm	69	2
2016	37.2 °C23 January 2016	0.1 °C12 June 2016	18.7 °C	1,336 mm	82	0
2015	34.7 °C27 January 2015	-0.8 °C19 June 2015	19.6 °C	1,328 mm	64	1
2014	39.2 °C18 January 2014	0.1 °C27 August 2014	19.4 °C	1,417 mm	65	0
2013	41.1 °C30 December 2013	-3.6 °C27 August 2013	19.4 °C	967 mm	94	3
2012	39.0 °C10 January 2012	-2.6 °C7 June 2012	19.7 °C	1,212 mm	88	5
2011	38.2 °C15 January 2011	-1.0 °C6 July 2011	18.8 °C	1,038 mm	74	4
2010	35.9 °C7 February 2010	-1.1 °C16 July 2010	18.7 °C	1,110 mm	76	4
2009	38.8 °C30 October 2009	-1.8 °C24 July 2009	19.3 °C	1,139 mm	92	4
2008	38.8 °C8 December 2008	-1.1 °C30 May 2008	19.5 °C	577 mm	105	3
2007	36.0 °C25 February 2007	-3.2 °C11 July 2007	18.4 °C	1,126 mm	80	3
2006	39.6 °C10 January 2006	0.3 °C31 July 2006	19.8 °C	950 mm	102	0
2005	38.3 °C7 January 2005	-0.7 °C19 July 2005	18.8 °C	1,432 mm	66	1
2004	37.8 °C4 September 2004	-2.2 °C11 July 2004	19.2 °C	906 mm	88	2
2003	37.8 °C31 January 2003	-0.4 °C11 July 2003	18.9 °C	1,439 mm	72	1
2002	37.3 °C27 February 2002	-0.7 °C13 June 2002	19.1 °C	1,835 mm	65	1
2001	36.8 °C6 January 2001	-0.7 °C28 July 2001	19.4 °C	1,401 mm	74	1
2000	37.3 °C6 January 2000	-1.9 °C13 July 2000	18.5 °C	1,430 mm	67	4
1999	37.5 °C7 March 1999	-1.8 °C15 August 1999	18.9 °C	1,078 mm	83	2
1998	35.9 °C27 December 1998	2.6 °C25 June 1998	18.5 °C	1,495 mm	44	0
1997	37.9 °C27 October 1997	-0.4 °C28 June 1997	20.2 °C	979 mm	93	2
1996	38.2 °C30 December 1996	-1.7 °C29 June 1996	19.3 °C	1,044 mm	86	2
1995	38.7 °C16 December 1995	-1.1 °C4 August 1995	18.8 °C	791 mm	75	2
1994	36.7 °C20 January 1994	-0.5 °C10 July 1994	19.4 °C	1,010 mm	77	1
1993	36.0 °C11 October 1993	-1.1 °C1 June 1993	18.5 °C	1,499 mm	66	3
1992	36.0 °C8 February 1992	-1.5 °C16 July 1992	18.3 °C	1,271 mm	67	4
1991	36.3 °C20 January 1991	-2.1 °C3 August 1991	18.9 °C	1,366 mm	63	4
1990	38.6 °C27 January 1990	-1.2 °C22 July 1990	18.7 °C	1,561 mm	46	3
1989	38.8 °C2 January 1989	-1.5 °C3 July 1989	19.2 °C	970 mm	86	3
1988	38.5 °C4 January 1988	-2.9 °C11 July 1988	18.3 °C	1,098 mm	82	6
1987	38.1 °C25 February 1987	-1.5 °C14 June 1987	18.7 °C	1,169 mm	72	3
1986	38.5 °C15 January 1986	0.4 °C18 August 1986	19.5 °C	1,546 mm	64	0
1985	36.9 °C4 January 1985	0.1 °C11 July 1985	19.2 °C	1,194 mm	82	0
1984	36.1 °C5 January 1984	-0.4 °C27 June 1984	18.3 °C	1,334 mm	52	3
1983	37.5 °C27 December 1983	0.7 °C5 June 1983	18.4 °C	1,330 mm	69	0
1982	37.4 °C30 December 1982	1.0 °C29 June 1982	19.2 °C	1,292 mm	66	0
1981	35.2 °C30 October 1981	-1.5 °C18 June 1981	19.0 °C	1,115 mm	62	1
1980	39.1 °C22 January 1980	-2.9 °C2 July 1980	19.4 °C	1,252 mm	98	5
1979	37.6 °C4 February 1979	-0.5 °C14 June 1979	18.6 °C	827 mm	63	2
1978	36.0 °C1 December 1978	-0.4 °C9 June 1978	18.5 °C	1,280 mm	60	1
1977	35.3 °C18 November 1977	0.5 °C25 June 1977	18.9 °C	1,384 mm	77	0
1976	35.5 °C17 January 1976	-4.1 °C10 July 1976	18.1 °C	1,027 mm	62	3
1975	38.4 °C14 February 1975	-2.0 °C26 July 1975	18.3 °C	1,118 mm	64	3
1974	35.7 °C2 January 1974	-1.2 °C13 June 1974	18.3 °C	1,091 mm	45	2
1973	39.5 °C12 January 1973	-0.7 °C18 July 1973	18.3 °C	1,521 mm	51	1
1972	37.2 °C11 January 1972	-0.5 °C4 August 1972	18.6 °C	1,239 mm	65	1
1971	39.7 °C20 December 1971	-1.9 °C16 June 1971	18.4 °C	1,176 mm	70	2
1970	37.0 °C2 January 1970	-0.6 °C2 July 1970	18.9 °C	1,375 mm	82	1
1969	36.3 °C26 October 1969	-2.7 °C18 June 1969	19.1 °C	1,176 mm	80	3
1968	39.9 °C11 December 1968	1.2 °C17 May 1968	18.7 °C	1,534 mm	73	0
1967	38.7 °C27 December 1967	-3.1 °C14 June 1967	19.2 °C	1,600 mm	84	2
1966	36.3 °C3 November 1966	-0.7 °C5 August 1966	18.6 °C	1,039 mm	54	1
1965	37.9 °C26 January 1965	-1.5 °C11 July 1965	18.9 °C	954 mm	80	3
1964	37.5 °C25 January 1964	-0.1 °C2 August 1964	18.2 °C	876 mm	55	1
1963	39.7 °C2 January 1963	0.1 °C21 June 1963	18.9 °C	1,567 mm	57	0
1962	39.1 °C23 December 1962	-1.6 °C25 July 1962	18.6 °C	526 mm	96	3
1961	37.1 °C20 January 1961	-1.6 °C14 June 1961	19.1 °C	796 mm	67	3
1960	36.3 °C24 February 1960	-2.4 °C8 July 1960	18.7 °C	955 mm	77	2
1959	36.1 °C4 February 1959	2.3 °C23 June 1959	18.6 °C	1,394 mm	59	0
1958	38.3 °C13 February 1958	1.4 °C26 May 1958	18.7 °C	1,071 mm	52	0
1957	37.3 °C3 January 1957	-1.2 °C2 August 1957	18.9 °C	1,346 mm	75	3
1956	37.4 °C27 December 1956	2.8 °C15 May 1956	18.7 °C	1,216 mm	55	0
1955	38.6 °C17 January 1955	-0.1 °C30 July 1955	18.7 °C	1,214 mm	61	1
1954	37.8 °C27 December 1954	3.0 °C7 August 1954	19.0 °C	1,022 mm	68	0
1953	37.1 °C4 January 1953	2.6 °C19 July 1953	19.6 °C	1,236 mm	52	0
1952	38.1 °C27 December 1952	2.0 °C30 June 1952	19.4 °C	1,099 mm	79	0
1951	36.1 °C15 January 1951	2.3 °C27 June 1951	19.7 °C	1,526 mm	53	0
1950	37.9 °C29 January 1950	0.6 °C31 July 1950	19.6 °C	773 mm	94	0
1949	37.7 °C25 February 1949	1.4 °C15 August 1949	19.2 °C	929 mm	84	0
1948	37.4 °C18 February 1948	1.6 °C28 July 1948	19.5 °C	1,272 mm	64	0
1947	38.7 °C23 January 1947	1.0 °C9 July 1947	19.8 °C	874 mm	86	0
1946	40.5 °C18 January 1946	2.3 °C21 July 1946	19.6 °C	1,041 mm	75	0
1945	39.0 °C21 December 1945	-1.2 °C23 June 1945	20.4 °C	669 mm	115	2
1944	37.0 °C22 December 1944	0.8 °C7 July 1944	20.1 °C	1,500 mm	72	0
1943	40.0 °C17 January 1943	2.3 °C6 July 1943	21.0 °C	850 mm	117	0
1942	35.3 °C9 December 1942	-0.3 °C16 June 1942	18.9 °C	882 mm	67	2
1941	36.8 °C16 February 1941	1.8 °C18 July 1941	19.3 °C	1,000 mm	69	0
1940	34.9 °C9 March 1940	2.0 °C2 August 1940	18.9 °C	1,242 mm	75	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

25.5 °C

+1.2 °C

Hot days (≥ 30 °C)

106 d/yr

+31

Frost days (< 0 °C)

4 d/yr

Annual rainfall

1070 mm

-85 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	33.4 °C	+2.3 °C	53 mm	-68 mm
Feb	34.3 °C	+4.2 °C	67 mm	-43 mm
Mar	29.6 °C	+1.6 °C	115 mm	-9 mm
Apr	23.9 °C	-0.2 °C	47 mm	-71 mm
May	22.8 °C	+2.1 °C	96 mm	+16 mm
Jun	16.1 °C	-1.6 °C	22 mm	-32 mm
Jul	18.9 °C	+1.3 °C	37 mm	-14 mm
Aug	21.0 °C	+1.4 °C	139 mm	+76 mm
Sep	22.1 °C	+0.4 °C	94 mm	+3 mm
Oct	26.3 °C	+1.9 °C	74 mm	-47 mm
Nov	27.6 °C	+0.3 °C	114 mm	-2 mm
Dec	30.2 °C	+0.3 °C	213 mm	+106 mm

The year's extremes

Hottest day

40.0 °C

10 Feb 2025

Coldest day

-3.4 °C

1 Jul 2025

Wettest day

87.6 mm

8 Dec 2025

Windiest day

38.8 km/h

20 Aug 2025

Strongest gust

70.2 km/h

31 Aug 2025

Hottest feels-like

45.0 °C

9 Feb 2025

Coldest feels-like

-6.9 °C

1 Jul 2025

Sunniest day

14.0 h

23 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 Santa Elena?

Santa Elena has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.1 °C and it receives 1,155 mm of precipitation per year.

What is the hottest day ever recorded in Santa Elena?

The hottest day measured in Santa Elena between 1940 and 2025 was 30 December 2013, reaching 41.1 °C.

What is the coldest day in Santa Elena?

The coldest day measured in Santa Elena between 1940 and 2025 was 10 July 1976, at -4.1 °C.

Does it snow in Santa Elena?

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

Has the climate of Santa Elena warmed?

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

What is the wettest day in Santa Elena?

The wettest day measured in Santa Elena between 1940 and 2025 was 11 April 2005, with 148 mm of rain in 24 hours.

What was the windiest day in Santa Elena?

The windiest day measured in Santa Elena between 1940 and 2025 was 17 October 1982, with winds reaching 54.1 km/h.

What is the warmest month in Santa Elena?

The warmest month in Santa Elena is January (25.8 °C on average); the coldest is July (12.5 °C).

How much does it rain in Santa Elena?

Santa Elena receives on average 1,155 mm of precipitation per year, spread over about 91 rainy days.

Is it sunny in Santa Elena?

Santa Elena gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.

Are there tropical nights in Santa Elena?

Yes: Santa Elena has on average 68 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Santa Elena?

In Santa Elena, between 1940 and 2025, the highest apparent temperature reached 47.0 °C on 12 January 1973, and the lowest was -7.7 °C on 12 July 2024.

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