San Pedro climate — normals and trends

Q: What is the climate of San Pedro?

San Pedro has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 1,975 mm of precipitation per year.

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

The hottest day measured in San Pedro between 1940 and 2025 was 26 November 1942, reaching 38.5 °C.

Q: What is the coldest day in San Pedro?

The coldest day measured in San Pedro between 1940 and 2025 was 19 June 1981, at -3.9 °C.

Q: Does it snow in San Pedro?

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

Q: Has the climate of San Pedro warmed?

Yes: San Pedro warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in San Pedro?

The wettest day measured in San Pedro between 1940 and 2025 was 14 November 2023, with 190 mm of rain in 24 hours.

Q: What was the windiest day in San Pedro?

The windiest day measured in San Pedro between 1940 and 2025 was 15 September 1956, with winds reaching 40.4 km/h.

Q: What is the warmest month in San Pedro?

The warmest month in San Pedro is January (23.4 °C on average); the coldest is July (15.0 °C).

Q: How much does it rain in San Pedro?

San Pedro receives on average 1,975 mm of precipitation per year, spread over about 164 rainy days.

Q: Is it sunny in San Pedro?

San Pedro gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

San Pedro (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.5 °C and it receives 1,975 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 (23.4 °C on average) and the coldest is July (15.0 °C). Rainfall peaks in October.

San Pedro averages 1 frost days, 47 hot days (≥ 30 °C) and 164 rainy days per year.

San Pedro has warmed by +1.1 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The number of frost days there went from about 0 to 2 per year over the period.

The hottest day of the period reached 38.5 °C (on 26 November 1942) and the coldest -3.9 °C (on 19 June 1981).

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 PedroMisiones

coords: -26.62°, -54.11°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthJuly

Mean daily temperature

19.5°C

Average daily high

24.6°C

Average daily low

15.5°C

Annual rainfall

1,975mm

Sunshine / day

9.1h

Mean relative humidity

79%

Average peak wind

13.9km/h

Seasonal range

8.4°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

47 d/yr

Rainy days (≥ 1 mm)

164 d/yr

Annual snowfall

0.2 cm

Average feels-like high

26.4 °C

Average feels-like low

15.2 °C

Average peak gust

34.4 km/h

Tropical nights (≥ 20 °C)

50 d/yr

Solar radiation

16.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.30 · 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

38.5 °C

26 November 1942

Coldest day

-3.9 °C

19 June 1981

Wettest day

190 mm

14 November 2023

Windiest day

40.4 km/h

15 September 1956

Strongest gust

103.7 km/h

5 June 1992

Hottest feels-like

42.2 °C

8 January 1984

Coldest feels-like

-8.1 °C

18 July 1975

Snowiest day

9.6 cm

21 August 1965

Sunniest day

13.5 h

3 January 1945

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.5 °C3 March 2025	-1.5 °C24 June 2025	19.6 °C	2,113 mm	67	1
2024	34.9 °C30 September 2024	1.3 °C30 June 2024	20.8 °C	1,708 mm	82	0
2023	35.2 °C24 September 2023	4.0 °C14 July 2023	20.3 °C	2,251 mm	56	0
2022	37.2 °C23 January 2022	0.4 °C12 June 2022	19.3 °C	1,911 mm	72	0
2021	36.0 °C19 September 2021	-0.8 °C29 July 2021	19.9 °C	1,291 mm	81	5
2020	38.1 °C1 October 2020	0.5 °C21 August 2020	20.4 °C	1,319 mm	85	0
2019	36.1 °C12 October 2019	-1.3 °C6 July 2019	20.7 °C	1,791 mm	68	2
2018	35.2 °C11 December 2018	1.9 °C8 June 2018	19.9 °C	1,910 mm	48	0
2017	34.7 °C10 September 2017	-0.4 °C18 July 2017	20.5 °C	1,933 mm	74	1
2016	35.0 °C24 January 2016	0.2 °C12 June 2016	19.5 °C	1,879 mm	71	0
2015	35.1 °C20 October 2015	2.9 °C12 September 2015	20.4 °C	2,857 mm	45	0
2014	36.0 °C8 February 2014	2.3 °C14 August 2014	20.3 °C	2,209 mm	74	0
2013	34.6 °C29 January 2013	-0.8 °C23 July 2013	19.3 °C	2,154 mm	44	2
2012	35.9 °C6 February 2012	0.0 °C8 June 2012	20.4 °C	1,579 mm	96	0
2011	35.9 °C21 December 2011	-1.6 °C28 June 2011	19.6 °C	2,106 mm	53	3
2010	36.4 °C5 February 2010	-0.5 °C14 July 2010	19.3 °C	2,295 mm	48	1
2009	35.7 °C2 November 2009	-2.3 °C25 July 2009	19.3 °C	1,916 mm	50	2
2008	35.8 °C8 December 2008	-0.9 °C16 June 2008	19.4 °C	1,640 mm	54	2
2007	34.4 °C3 December 2007	-0.2 °C30 May 2007	19.8 °C	1,975 mm	83	1
2006	35.1 °C16 December 2006	0.2 °C22 August 2006	20.1 °C	1,696 mm	80	0
2005	37.1 °C20 February 2005	1.5 °C19 July 2005	20.2 °C	1,860 mm	94	0
2004	34.8 °C10 March 2004	-0.1 °C13 June 2004	19.6 °C	1,674 mm	72	1
2003	36.7 °C11 November 2003	0.3 °C12 July 2003	19.9 °C	1,567 mm	70	0
2002	34.4 °C9 January 2002	-0.4 °C3 September 2002	20.2 °C	2,153 mm	63	1
2001	33.1 °C23 November 2001	-1.0 °C28 July 2001	20.0 °C	2,191 mm	60	1
2000	34.6 °C10 December 2000	-2.5 °C13 July 2000	19.3 °C	2,100 mm	49	6
1999	36.1 °C30 November 1999	-1.3 °C15 August 1999	19.3 °C	1,755 mm	59	1
1998	33.2 °C1 December 1998	4.6 °C25 June 1998	19.3 °C	2,731 mm	38	0
1997	32.9 °C26 December 1997	2.7 °C30 June 1997	19.8 °C	2,419 mm	43	0
1996	33.6 °C21 September 1996	0.5 °C29 June 1996	19.2 °C	2,601 mm	40	0
1995	35.1 °C17 December 1995	1.4 °C26 June 1995	19.8 °C	1,949 mm	61	0
1994	34.8 °C24 September 1994	-2.9 °C26 June 1994	19.9 °C	2,235 mm	53	3
1993	33.9 °C23 November 1993	-2.3 °C14 July 1993	19.2 °C	1,988 mm	52	3
1992	34.2 °C23 December 1992	-0.8 °C23 July 1992	19.1 °C	2,480 mm	45	2
1991	35.5 °C21 January 1991	-2.0 °C2 August 1991	19.8 °C	1,962 mm	70	3
1990	35.0 °C15 November 1990	-0.9 °C29 July 1990	19.0 °C	2,554 mm	50	2
1989	34.8 °C6 December 1989	-0.7 °C6 July 1989	18.8 °C	2,210 mm	36	1
1988	35.6 °C7 December 1988	-1.9 °C12 July 1988	19.4 °C	1,581 mm	79	4
1987	35.4 °C11 October 1987	-1.1 °C17 June 1987	19.2 °C	2,410 mm	54	2
1986	34.5 °C18 November 1986	1.3 °C5 September 1986	19.8 °C	2,117 mm	50	0
1985	38.4 °C17 November 1985	0.6 °C11 July 1985	20.0 °C	1,577 mm	81	0
1984	34.8 °C8 January 1984	-1.5 °C26 August 1984	19.7 °C	2,121 mm	51	1
1983	33.8 °C8 December 1983	1.0 °C5 June 1983	19.1 °C	2,977 mm	47	0
1982	33.3 °C16 January 1982	2.9 °C29 June 1982	19.6 °C	2,285 mm	35	0
1981	33.7 °C1 March 1981	-3.9 °C19 June 1981	19.5 °C	1,777 mm	49	4
1980	34.2 °C17 December 1980	-0.5 °C17 September 1980	19.4 °C	2,141 mm	45	3
1979	36.5 °C26 January 1979	0.3 °C1 June 1979	18.9 °C	1,988 mm	51	0
1978	34.3 °C28 January 1978	-0.1 °C1 June 1978	19.7 °C	1,288 mm	70	1
1977	34.0 °C23 October 1977	0.9 °C17 July 1977	20.2 °C	1,825 mm	59	0
1976	32.5 °C28 February 1976	-0.3 °C10 July 1976	18.4 °C	1,525 mm	41	1
1975	34.1 °C14 February 1975	-3.8 °C18 July 1975	19.0 °C	1,754 mm	24	3
1974	32.9 °C14 September 1974	1.2 °C4 June 1974	18.9 °C	1,839 mm	38	0
1973	33.5 °C13 January 1973	2.3 °C28 June 1973	19.2 °C	2,358 mm	40	0
1972	34.4 °C27 December 1972	-1.1 °C9 July 1972	19.3 °C	2,219 mm	40	2
1971	34.0 °C26 January 1971	-1.0 °C13 June 1971	18.9 °C	2,026 mm	46	2
1970	36.1 °C8 December 1970	2.5 °C24 June 1970	19.4 °C	1,857 mm	51	0
1969	33.5 °C8 February 1969	1.5 °C9 July 1969	19.3 °C	1,972 mm	48	0
1968	35.3 °C25 November 1968	1.8 °C17 May 1968	19.0 °C	1,432 mm	62	0
1967	33.4 °C10 November 1967	-0.8 °C14 June 1967	19.5 °C	2,011 mm	27	1
1966	33.0 °C15 March 1966	-1.0 °C6 August 1966	18.9 °C	1,987 mm	26	1
1965	33.5 °C22 January 1965	-0.8 °C11 July 1965	18.7 °C	2,089 mm	28	1
1964	33.4 °C30 January 1964	1.6 °C29 June 1964	18.5 °C	1,338 mm	47	0
1963	34.3 °C6 September 1963	-1.0 °C6 August 1963	19.8 °C	1,883 mm	59	1
1962	36.2 °C24 December 1962	0.2 °C30 May 1962	18.1 °C	1,226 mm	42	0
1961	33.1 °C24 January 1961	-0.4 °C16 June 1961	19.9 °C	1,463 mm	53	1
1960	34.8 °C9 December 1960	-0.8 °C25 June 1960	18.7 °C	1,752 mm	36	1
1959	32.1 °C9 September 1959	3.6 °C10 June 1959	19.5 °C	2,005 mm	6	0
1958	34.6 °C11 February 1958	3.7 °C19 June 1958	19.4 °C	1,961 mm	44	0
1957	33.6 °C18 October 1957	1.7 °C21 July 1957	19.1 °C	2,018 mm	17	0
1956	31.1 °C5 February 1956	2.5 °C15 May 1956	18.2 °C	1,768 mm	6	0
1955	32.0 °C29 November 1955	-1.5 °C31 July 1955	18.8 °C	2,053 mm	20	1
1954	33.0 °C10 December 1954	4.6 °C21 June 1954	19.1 °C	2,249 mm	14	0
1953	32.0 °C5 January 1953	4.6 °C6 July 1953	19.8 °C	2,029 mm	10	0
1952	34.0 °C24 December 1952	1.7 °C19 June 1952	19.2 °C	1,604 mm	25	0
1951	31.9 °C25 September 1951	5.0 °C29 June 1951	19.3 °C	1,970 mm	4	0
1950	30.4 °C10 November 1950	2.5 °C11 July 1950	18.9 °C	2,131 mm	1	0
1949	31.7 °C15 November 1949	2.2 °C14 May 1949	18.7 °C	2,194 mm	10	0
1948	31.3 °C24 September 1948	3.8 °C4 August 1948	19.0 °C	2,933 mm	7	0
1947	31.1 °C29 November 1947	2.4 °C10 July 1947	18.8 °C	2,180 mm	1	0
1946	29.8 °C16 November 1946	1.8 °C17 July 1946	18.9 °C	2,618 mm	0	0
1945	32.8 °C10 January 1945	2.2 °C21 June 1945	19.3 °C	1,955 mm	16	0
1944	32.3 °C30 January 1944	0.6 °C27 June 1944	20.5 °C	1,273 mm	28	0
1943	36.3 °C17 January 1943	2.4 °C29 August 1943	19.6 °C	841 mm	68	0
1942	38.5 °C26 November 1942	-0.6 °C19 June 1942	19.3 °C	1,429 mm	51	1
1941	30.3 °C21 February 1941	1.0 °C18 July 1941	19.2 °C	2,590 mm	3	0
1940	31.0 °C21 March 1940	4.0 °C17 August 1940	19.1 °C	2,290 mm	6	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

24.8 °C

+0.2 °C

Hot days (≥ 30 °C)

67 d/yr

+20

Frost days (< 0 °C)

1 d/yr

Annual rainfall

2113 mm

+138 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.7 °C	+2.3 °C	97 mm	-104 mm
Feb	30.5 °C	+2.5 °C	101 mm	-75 mm
Mar	29.2 °C	+2.0 °C	123 mm	-37 mm
Apr	23.4 °C	-1.2 °C	96 mm	-46 mm
May	22.5 °C	+1.2 °C	180 mm	+33 mm
Jun	17.3 °C	-2.4 °C	374 mm	+224 mm
Jul	20.7 °C	+0.6 °C	56 mm	-70 mm
Aug	21.2 °C	-1.0 °C	132 mm	+4 mm
Sep	24.4 °C	+0.7 °C	185 mm	+10 mm
Oct	24.1 °C	-1.0 °C	285 mm	+62 mm
Nov	26.8 °C	-0.1 °C	172 mm	+4 mm
Dec	27.8 °C	-0.4 °C	312 mm	+132 mm

The year's extremes

Hottest day

34.5 °C

3 Mar 2025

Coldest day

-1.5 °C

24 Jun 2025

Wettest day

78.4 mm

5 Jun 2025

Windiest day

28.0 km/h

10 Dec 2025

Strongest gust

99.4 km/h

9 May 2025

Hottest feels-like

39.2 °C

2 Mar 2025

Coldest feels-like

-4.9 °C

24 Jun 2025

Sunniest day

13.4 h

4 Jan 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 Pedro?

San Pedro has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 1,975 mm of precipitation per year.

What is the hottest day ever recorded in San Pedro?

The hottest day measured in San Pedro between 1940 and 2025 was 26 November 1942, reaching 38.5 °C.

What is the coldest day in San Pedro?

The coldest day measured in San Pedro between 1940 and 2025 was 19 June 1981, at -3.9 °C.

Does it snow in San Pedro?

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

Has the climate of San Pedro warmed?

Yes: San Pedro warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in San Pedro?

The wettest day measured in San Pedro between 1940 and 2025 was 14 November 2023, with 190 mm of rain in 24 hours.

What was the windiest day in San Pedro?

The windiest day measured in San Pedro between 1940 and 2025 was 15 September 1956, with winds reaching 40.4 km/h.

What is the warmest month in San Pedro?

The warmest month in San Pedro is January (23.4 °C on average); the coldest is July (15.0 °C).

How much does it rain in San Pedro?

San Pedro receives on average 1,975 mm of precipitation per year, spread over about 164 rainy days.

Is it sunny in San Pedro?

San Pedro gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

What is the biggest single-day snowfall in San Pedro?

The heaviest 24-hour snowfall measured in San Pedro between 1940 and 2025 was 21 August 1965, with 9.6 cm.

Are there tropical nights in San Pedro?

Yes: San Pedro has on average 50 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in San Pedro?

In San Pedro, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 8 January 1984, and the lowest was -8.1 °C on 18 July 1975.

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