San Javier climate — normals and trends

Q: What is the climate of San Javier?

San Javier has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 1,178 mm of precipitation per year.

Q: What is the hottest day ever recorded in San Javier?

The hottest day measured in San Javier between 1940 and 2025 was 17 January 1943, reaching 41.0 °C.

Q: What is the coldest day in San Javier?

The coldest day measured in San Javier between 1940 and 2025 was 10 July 1976, at -3.6 °C.

Q: Does it snow in San Javier?

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

Q: Has the climate of San Javier warmed?

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

Q: What is the wettest day in San Javier?

The wettest day measured in San Javier between 1940 and 2025 was 20 December 2009, with 207 mm of rain in 24 hours.

Q: What was the windiest day in San Javier?

The windiest day measured in San Javier between 1940 and 2025 was 17 October 1982, with winds reaching 50.1 km/h.

Q: What is the warmest month in San Javier?

The warmest month in San Javier is January (26.1 °C on average); the coldest is July (12.9 °C).

Q: How much does it rain in San Javier?

San Javier receives on average 1,178 mm of precipitation per year, spread over about 93 rainy days.

Q: Is it sunny in San Javier?

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

San Javier (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.5 °C and it receives 1,178 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 (26.1 °C on average) and the coldest is July (12.9 °C). Rainfall peaks in January.

San Javier averages 1 frost days, 81 hot days (≥ 30 °C) and 93 rainy days per year.

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

The hottest day of the period reached 41.0 °C (on 17 January 1943) and the coldest -3.6 °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

San JavierSanta Fe

coords: -30.58°, -59.93°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthJanuaryDriest monthJuly

Mean daily temperature

19.5°C

Average daily high

24.7°C

Average daily low

14.8°C

Annual rainfall

1,178mm

Sunshine / day

9.4h

Mean relative humidity

73%

Average peak wind

16.4km/h

Seasonal range

13.2°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

81 d/yr

Rainy days (≥ 1 mm)

93 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.8 °C

Average feels-like low

14.2 °C

Average peak gust

32.9 km/h

Tropical nights (≥ 20 °C)

77 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

41.0 °C

17 January 1943

Coldest day

-3.6 °C

10 July 1976

Wettest day

207 mm

20 December 2009

Windiest day

50.1 km/h

17 October 1982

Strongest gust

94.3 km/h

17 October 1982

Hottest feels-like

46.8 °C

12 January 1973

Coldest feels-like

-7.0 °C

11 July 2007

Sunniest day

14.0 h

22 December 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.2 °C10 February 2025	-1.7 °C2 July 2025	20.1 °C	985 mm	114	4
2024	39.7 °C3 February 2024	-2.5 °C12 July 2024	20.0 °C	1,071 mm	94	3
2023	40.8 °C7 February 2023	1.1 °C14 June 2023	21.0 °C	900 mm	117	0
2022	40.9 °C13 January 2022	-0.6 °C11 June 2022	19.2 °C	668 mm	89	3
2021	38.2 °C21 December 2021	-2.4 °C29 July 2021	19.5 °C	726 mm	105	5
2020	39.5 °C24 November 2020	-1.5 °C21 August 2020	19.5 °C	741 mm	96	3
2019	37.6 °C2 January 2019	-1.4 °C6 July 2019	19.3 °C	1,466 mm	73	1
2018	37.8 °C11 December 2018	-0.3 °C15 June 2018	19.6 °C	1,111 mm	108	2
2017	38.8 °C16 December 2017	-1.5 °C18 July 2017	19.9 °C	1,471 mm	77	1
2016	37.9 °C23 January 2016	0.3 °C11 June 2016	19.0 °C	1,321 mm	83	0
2015	36.0 °C6 January 2015	0.3 °C19 June 2015	20.1 °C	1,266 mm	79	0
2014	39.4 °C7 January 2014	0.9 °C27 August 2014	19.8 °C	1,461 mm	70	0
2013	41.0 °C30 December 2013	-2.8 °C14 August 2013	19.8 °C	1,050 mm	104	3
2012	39.5 °C9 January 2012	-2.6 °C7 June 2012	20.1 °C	1,130 mm	99	5
2011	39.4 °C21 December 2011	-1.5 °C27 June 2011	19.2 °C	989 mm	83	4
2010	36.5 °C7 February 2010	-0.3 °C14 July 2010	19.0 °C	1,196 mm	82	1
2009	39.8 °C2 November 2009	-1.9 °C24 July 2009	19.8 °C	1,174 mm	103	3
2008	39.3 °C8 December 2008	-2.6 °C30 May 2008	19.9 °C	602 mm	115	2
2007	36.8 °C25 February 2007	-3.1 °C11 July 2007	18.7 °C	1,117 mm	92	3
2006	39.6 °C8 January 2006	0.3 °C31 July 2006	20.2 °C	960 mm	106	0
2005	38.4 °C7 January 2005	0.1 °C19 July 2005	19.1 °C	1,320 mm	74	0
2004	39.3 °C4 September 2004	-1.0 °C12 June 2004	19.6 °C	877 mm	94	2
2003	37.8 °C31 January 2003	-0.1 °C11 July 2003	19.3 °C	1,375 mm	75	1
2002	37.2 °C27 February 2002	-0.5 °C2 September 2002	19.4 °C	1,750 mm	77	1
2001	37.7 °C6 January 2001	-0.1 °C28 July 2001	19.7 °C	1,421 mm	85	1
2000	36.7 °C26 December 2000	-2.3 °C13 July 2000	18.8 °C	1,326 mm	75	4
1999	37.7 °C7 March 1999	-1.6 °C15 August 1999	19.1 °C	1,104 mm	90	2
1998	36.6 °C27 December 1998	3.2 °C21 September 1998	18.8 °C	1,657 mm	49	0
1997	38.1 °C7 January 1997	1.0 °C28 June 1997	20.5 °C	1,153 mm	99	0
1996	39.2 °C30 December 1996	-0.7 °C29 June 1996	19.7 °C	1,040 mm	93	1
1995	38.6 °C16 December 1995	-0.8 °C5 August 1995	19.0 °C	975 mm	76	2
1994	37.1 °C20 January 1994	0.5 °C10 July 1994	19.7 °C	1,125 mm	81	0
1993	36.1 °C24 January 1993	-0.3 °C1 August 1993	18.9 °C	1,361 mm	70	2
1992	36.3 °C8 February 1992	-0.5 °C16 July 1992	18.7 °C	1,340 mm	69	2
1991	37.0 °C20 January 1991	-1.2 °C3 August 1991	19.2 °C	1,425 mm	71	4
1990	38.1 °C27 January 1990	-1.2 °C22 July 1990	19.0 °C	1,652 mm	51	2
1989	38.2 °C4 January 1989	-0.5 °C3 July 1989	19.3 °C	1,023 mm	93	3
1988	38.9 °C4 January 1988	-2.2 °C11 July 1988	18.6 °C	1,243 mm	88	7
1987	39.4 °C25 February 1987	-0.4 °C15 June 1987	19.0 °C	1,174 mm	73	2
1986	38.9 °C25 January 1986	0.9 °C18 August 1986	19.8 °C	1,753 mm	75	0
1985	37.3 °C7 December 1985	1.0 °C11 July 1985	19.6 °C	1,302 mm	85	0
1984	36.8 °C5 January 1984	-0.6 °C25 August 1984	18.7 °C	1,359 mm	59	3
1983	37.7 °C27 December 1983	1.2 °C8 September 1983	18.7 °C	1,317 mm	80	0
1982	37.1 °C30 December 1982	0.8 °C29 June 1982	19.5 °C	1,356 mm	69	0
1981	35.4 °C30 October 1981	-1.7 °C18 June 1981	19.3 °C	1,274 mm	67	1
1980	39.4 °C22 January 1980	-1.9 °C2 July 1980	19.7 °C	1,272 mm	105	3
1979	38.0 °C4 February 1979	-0.5 °C14 June 1979	18.9 °C	1,096 mm	67	2
1978	36.5 °C1 December 1978	-0.6 °C9 June 1978	18.9 °C	1,304 mm	70	1
1977	36.0 °C18 November 1977	1.2 °C23 June 1977	19.3 °C	1,430 mm	76	0
1976	37.7 °C24 January 1976	-3.6 °C10 July 1976	18.5 °C	1,154 mm	64	1
1975	39.5 °C14 February 1975	-0.9 °C26 July 1975	18.8 °C	1,135 mm	67	3
1974	36.7 °C2 January 1974	-0.7 °C13 June 1974	18.6 °C	1,215 mm	50	1
1973	40.7 °C12 January 1973	-0.7 °C18 July 1973	18.7 °C	1,459 mm	56	1
1972	37.7 °C11 January 1972	-0.6 °C4 August 1972	19.0 °C	1,297 mm	70	1
1971	41.0 °C20 December 1971	-1.9 °C16 June 1971	18.9 °C	1,122 mm	80	1
1970	37.0 °C2 January 1970	-0.4 °C2 July 1970	19.2 °C	1,449 mm	88	2
1969	36.4 °C4 February 1969	-2.0 °C18 June 1969	19.6 °C	1,164 mm	88	2
1968	40.4 °C11 December 1968	1.8 °C17 May 1968	19.1 °C	1,547 mm	75	0
1967	38.4 °C27 December 1967	-1.1 °C14 June 1967	19.5 °C	1,672 mm	87	2
1966	36.1 °C3 November 1966	-0.1 °C5 August 1966	19.0 °C	1,016 mm	63	1
1965	37.7 °C26 January 1965	-1.6 °C11 July 1965	19.3 °C	955 mm	85	1
1964	38.1 °C25 January 1964	-0.1 °C2 August 1964	18.6 °C	971 mm	68	1
1963	40.7 °C2 January 1963	0.4 °C5 August 1963	19.4 °C	1,431 mm	65	0
1962	39.9 °C28 November 1962	-1.1 °C25 July 1962	19.1 °C	558 mm	107	2
1961	37.2 °C20 January 1961	-0.9 °C14 June 1961	19.6 °C	871 mm	77	3
1960	36.5 °C24 February 1960	-2.4 °C8 July 1960	19.2 °C	885 mm	89	2
1959	35.5 °C25 January 1959	2.6 °C23 June 1959	18.9 °C	1,478 mm	61	0
1958	38.9 °C13 February 1958	2.0 °C26 May 1958	19.2 °C	1,132 mm	55	0
1957	37.2 °C3 January 1957	-0.5 °C21 July 1957	19.3 °C	1,236 mm	88	2
1956	37.7 °C27 December 1956	3.5 °C11 June 1956	18.9 °C	1,318 mm	55	0
1955	38.8 °C17 January 1955	-0.3 °C30 July 1955	19.0 °C	1,221 mm	68	1
1954	36.9 °C27 December 1954	3.7 °C3 July 1954	19.4 °C	1,110 mm	70	0
1953	37.5 °C26 December 1953	3.5 °C19 July 1953	20.0 °C	1,218 mm	61	0
1952	38.0 °C27 December 1952	3.0 °C30 June 1952	19.8 °C	980 mm	83	0
1951	35.7 °C15 January 1951	3.2 °C3 August 1951	20.1 °C	1,442 mm	63	0
1950	38.5 °C29 January 1950	2.2 °C31 July 1950	20.0 °C	858 mm	100	0
1949	38.1 °C25 February 1949	2.0 °C15 August 1949	19.7 °C	1,036 mm	86	0
1948	37.4 °C18 February 1948	2.8 °C28 July 1948	19.8 °C	1,284 mm	66	0
1947	39.0 °C23 January 1947	2.1 °C11 July 1947	20.2 °C	824 mm	94	0
1946	40.7 °C18 January 1946	2.5 °C21 July 1946	20.0 °C	1,126 mm	81	0
1945	39.9 °C21 December 1945	-0.4 °C23 June 1945	20.9 °C	571 mm	129	1
1944	37.8 °C22 December 1944	0.4 °C7 July 1944	20.5 °C	1,429 mm	79	0
1943	41.0 °C17 January 1943	2.5 °C6 July 1943	21.4 °C	814 mm	126	0
1942	36.1 °C29 December 1942	-0.3 °C16 June 1942	19.3 °C	859 mm	81	1
1941	37.1 °C16 February 1941	2.7 °C18 July 1941	19.7 °C	1,002 mm	70	0
1940	34.9 °C9 March 1940	2.2 °C2 August 1940	19.3 °C	1,253 mm	77	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

26.1 °C

+1.4 °C

Hot days (≥ 30 °C)

114 d/yr

+33

Frost days (< 0 °C)

4 d/yr

Annual rainfall

985 mm

-193 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	33.9 °C	+2.5 °C	37 mm	-95 mm
Feb	35.2 °C	+4.7 °C	46 mm	-67 mm
Mar	30.3 °C	+1.9 °C	98 mm	-29 mm
Apr	24.2 °C	-0.2 °C	40 mm	-77 mm
May	23.2 °C	+2.2 °C	75 mm	-4 mm
Jun	16.6 °C	-1.5 °C	13 mm	-42 mm
Jul	19.7 °C	+1.6 °C	21 mm	-28 mm
Aug	22.1 °C	+2.1 °C	130 mm	+69 mm
Sep	22.7 °C	+0.5 °C	85 mm	-9 mm
Oct	27.1 °C	+2.2 °C	103 mm	-19 mm
Nov	28.2 °C	+0.5 °C	143 mm	+24 mm
Dec	30.2 °C	0.0 °C	194 mm	+83 mm

The year's extremes

Hottest day

40.2 °C

10 Feb 2025

Coldest day

-1.7 °C

2 Jul 2025

Wettest day

94.7 mm

8 Dec 2025

Windiest day

37.4 km/h

20 Aug 2025

Strongest gust

67.0 km/h

31 Aug 2025

Hottest feels-like

45.2 °C

9 Feb 2025

Coldest feels-like

-5.4 °C

2 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 San Javier?

San Javier has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 1,178 mm of precipitation per year.

What is the hottest day ever recorded in San Javier?

The hottest day measured in San Javier between 1940 and 2025 was 17 January 1943, reaching 41.0 °C.

What is the coldest day in San Javier?

The coldest day measured in San Javier between 1940 and 2025 was 10 July 1976, at -3.6 °C.

Does it snow in San Javier?

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

Has the climate of San Javier warmed?

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

What is the wettest day in San Javier?

The wettest day measured in San Javier between 1940 and 2025 was 20 December 2009, with 207 mm of rain in 24 hours.

What was the windiest day in San Javier?

The windiest day measured in San Javier between 1940 and 2025 was 17 October 1982, with winds reaching 50.1 km/h.

What is the warmest month in San Javier?

The warmest month in San Javier is January (26.1 °C on average); the coldest is July (12.9 °C).

How much does it rain in San Javier?

San Javier receives on average 1,178 mm of precipitation per year, spread over about 93 rainy days.

Is it sunny in San Javier?

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

Are there tropical nights in San Javier?

Yes: San Javier has on average 77 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in San Javier?

In San Javier, between 1940 and 2025, the highest apparent temperature reached 46.8 °C on 12 January 1973, and the lowest was -7.0 °C on 11 July 2007.

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