Piratininga climate — normals and trends

Q: What is the climate of Piratininga?

Piratininga has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.6 °C and it receives 1,336 mm of precipitation per year.

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

The hottest day measured in Piratininga between 1940 and 2025 was 7 October 2020, reaching 39.8 °C.

Q: What is the coldest day in Piratininga?

The coldest day measured in Piratininga between 1940 and 2025 was 1 June 1979, at 0.9 °C.

Q: Does it snow in Piratininga?

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

Q: Has the climate of Piratininga warmed?

Yes: Piratininga warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Piratininga?

The wettest day measured in Piratininga between 1940 and 2025 was 8 February 1995, with 192 mm of rain in 24 hours.

Q: What was the windiest day in Piratininga?

The windiest day measured in Piratininga between 1940 and 2025 was 16 October 1950, with winds reaching 35.2 km/h.

Q: What is the warmest month in Piratininga?

The warmest month in Piratininga is January (24.0 °C on average); the coldest is July (17.9 °C).

Q: How much does it rain in Piratininga?

Piratininga receives on average 1,336 mm of precipitation per year, spread over about 145 rainy days.

Q: Is it sunny in Piratininga?

Piratininga gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Piratininga (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 21.6 °C and it receives 1,336 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 (24.0 °C on average) and the coldest is July (17.9 °C). Rainfall peaks in January.

Piratininga averages 0 frost days, 77 hot days (≥ 30 °C) and 145 rainy days per year.

Piratininga has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.8 °C (on 7 October 2020) and the coldest 0.9 °C (on 1 June 1979).

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

PiratiningaSão Paulo

coords: -22.41°, -49.13°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthJanuaryDriest monthAugust

Mean daily temperature

21.6°C

Average daily high

27.0°C

Average daily low

17.2°C

Annual rainfall

1,336mm

Sunshine / day

9.9h

Mean relative humidity

74%

Average peak wind

14.4km/h

Seasonal range

6.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

77 d/yr

Rainy days (≥ 1 mm)

145 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.1 °C

Average feels-like low

17.5 °C

Average peak gust

32.3 km/h

Tropical nights (≥ 20 °C)

88 d/yr

Solar radiation

18.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.62 · 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

39.8 °C

7 October 2020

Coldest day

0.9 °C

1 June 1979

Wettest day

192 mm

8 February 1995

Windiest day

35.2 km/h

16 October 1950

Strongest gust

81.7 km/h

22 September 2025

Hottest feels-like

42.0 °C

29 October 2007

Coldest feels-like

-2.5 °C

18 July 1975

Sunniest day

13.3 h

5 December 1970

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.4 °C30 September 2025	4.0 °C25 June 2025	22.0 °C	1,099 mm	127
2024	37.8 °C26 September 2024	6.4 °C29 May 2024	23.4 °C	1,011 mm	178
2023	37.6 °C24 September 2023	7.2 °C17 June 2023	22.4 °C	1,118 mm	120
2022	34.1 °C10 December 2022	5.6 °C20 May 2022	21.7 °C	1,191 mm	91
2021	38.1 °C21 September 2021	3.0 °C30 June 2021	22.1 °C	867 mm	134
2020	39.8 °C7 October 2020	5.8 °C27 May 2020	22.2 °C	985 mm	121
2019	37.2 °C27 October 2019	4.7 °C6 July 2019	23.4 °C	897 mm	152
2018	34.9 °C15 November 2018	7.2 °C11 August 2018	22.8 °C	879 mm	133
2017	36.3 °C12 October 2017	6.4 °C10 June 2017	22.5 °C	1,235 mm	127
2016	37.0 °C19 October 2016	6.0 °C12 June 2016	22.5 °C	1,361 mm	154
2015	38.0 °C20 October 2015	10.3 °C16 June 2015	23.1 °C	1,420 mm	123
2014	38.5 °C17 October 2014	7.3 °C1 July 2014	23.0 °C	888 mm	141
2013	35.1 °C4 December 2013	4.8 °C28 August 2013	21.9 °C	1,252 mm	110
2012	37.1 °C31 October 2012	6.4 °C14 July 2012	22.6 °C	1,383 mm	132
2011	36.9 °C30 September 2011	2.7 °C28 June 2011	22.0 °C	1,259 mm	115
2010	34.4 °C29 August 2010	7.1 °C16 August 2010	22.0 °C	1,239 mm	112
2009	35.6 °C6 March 2009	5.2 °C3 June 2009	22.0 °C	1,603 mm	85
2008	36.8 °C15 October 2008	5.8 °C17 June 2008	21.8 °C	1,145 mm	77
2007	36.6 °C29 October 2007	5.9 °C4 June 2007	22.6 °C	1,356 mm	126
2006	35.7 °C15 September 2006	6.3 °C6 September 2006	22.2 °C	974 mm	108
2005	35.3 °C13 October 2005	9.4 °C26 July 2005	22.3 °C	1,188 mm	95
2004	36.4 °C26 September 2004	7.6 °C13 June 2004	21.6 °C	1,205 mm	82
2003	35.4 °C19 October 2003	7.1 °C27 May 2003	22.0 °C	1,090 mm	95
2002	36.6 °C11 October 2002	4.6 °C3 September 2002	22.8 °C	1,002 mm	143
2001	35.6 °C7 November 2001	4.6 °C21 June 2001	22.1 °C	1,256 mm	111
2000	36.0 °C23 October 2000	2.2 °C17 July 2000	21.7 °C	1,279 mm	108
1999	36.5 °C21 January 1999	5.8 °C18 April 1999	21.6 °C	1,374 mm	96
1998	34.5 °C5 January 1998	8.8 °C9 June 1998	21.8 °C	1,759 mm	96
1997	35.6 °C10 November 1997	5.5 °C9 June 1997	21.8 °C	1,826 mm	93
1996	34.3 °C30 January 1996	6.3 °C12 July 1996	21.6 °C	1,509 mm	82
1995	35.1 °C2 September 1995	9.0 °C23 July 1995	22.0 °C	1,713 mm	103
1994	37.7 °C13 October 1994	1.0 °C26 June 1994	22.1 °C	1,310 mm	104
1993	35.1 °C2 January 1993	3.6 °C1 August 1993	21.6 °C	1,522 mm	77
1992	32.7 °C15 November 1992	8.2 °C23 July 1992	21.4 °C	1,481 mm	56
1991	33.6 °C16 October 1991	3.8 °C24 July 1991	21.6 °C	1,566 mm	71
1990	34.5 °C15 November 1990	3.3 °C23 June 1990	21.7 °C	1,387 mm	124
1989	33.8 °C25 October 1989	7.7 °C12 July 1989	21.1 °C	1,645 mm	51
1988	36.1 °C26 September 1988	3.1 °C5 June 1988	21.6 °C	1,269 mm	93
1987	34.5 °C15 September 1987	3.7 °C8 August 1987	21.6 °C	1,272 mm	98
1986	35.2 °C1 November 1986	7.3 °C1 June 1986	21.8 °C	1,311 mm	84
1985	37.9 °C17 November 1985	3.1 °C7 July 1985	21.7 °C	1,003 mm	99
1984	34.8 °C23 February 1984	6.3 °C27 August 1984	22.3 °C	1,070 mm	97
1983	32.6 °C8 November 1983	7.6 °C6 August 1983	21.5 °C	1,941 mm	44
1982	32.5 °C3 November 1982	9.0 °C31 July 1982	21.4 °C	1,655 mm	50
1981	34.0 °C28 September 1981	1.3 °C21 July 1981	21.3 °C	1,205 mm	65
1980	34.1 °C27 October 1980	6.1 °C28 June 1980	21.5 °C	1,316 mm	65
1979	34.9 °C7 December 1979	0.9 °C1 June 1979	21.0 °C	1,165 mm	54
1978	34.5 °C25 January 1978	2.7 °C15 August 1978	21.4 °C	1,191 mm	69
1977	34.3 °C24 October 1977	5.7 °C18 May 1977	22.2 °C	1,229 mm	99
1976	33.0 °C14 January 1976	7.6 °C5 July 1976	20.6 °C	1,858 mm	41
1975	34.0 °C9 September 1975	2.1 °C18 July 1975	21.5 °C	1,307 mm	84
1974	35.1 °C19 November 1974	6.9 °C17 August 1974	21.2 °C	1,479 mm	71
1973	34.2 °C22 February 1973	4.2 °C20 June 1973	21.6 °C	1,397 mm	82
1972	34.3 °C25 October 1972	2.2 °C9 July 1972	21.2 °C	1,688 mm	54
1971	35.5 °C26 January 1971	5.4 °C6 July 1971	21.3 °C	1,031 mm	69
1970	34.4 °C8 December 1970	6.8 °C3 July 1970	21.4 °C	1,044 mm	61
1969	34.5 °C11 September 1969	2.8 °C11 July 1969	21.9 °C	840 mm	100
1968	36.1 °C10 November 1968	4.2 °C18 May 1968	21.0 °C	909 mm	86
1967	34.3 °C5 October 1967	4.8 °C9 June 1967	21.6 °C	1,209 mm	69
1966	34.2 °C13 September 1966	3.3 °C6 August 1966	20.8 °C	1,354 mm	34
1965	33.2 °C10 September 1965	3.6 °C21 August 1965	20.5 °C	1,611 mm	23
1964	31.2 °C14 March 1964	5.1 °C28 July 1964	20.2 °C	1,545 mm	15
1963	39.0 °C17 October 1963	4.8 °C21 June 1963	22.1 °C	1,035 mm	91
1962	33.8 °C20 September 1962	3.7 °C18 July 1962	20.0 °C	1,403 mm	26
1961	37.7 °C28 September 1961	10.0 °C4 August 1961	22.1 °C	1,206 mm	79
1960	36.5 °C24 September 1960	7.2 °C10 July 1960	20.5 °C	1,571 mm	22
1959	34.4 °C7 September 1959	5.1 °C8 June 1959	21.6 °C	1,255 mm	63
1958	33.7 °C8 January 1958	8.9 °C23 June 1958	21.1 °C	1,244 mm	61
1957	34.2 °C18 October 1957	3.3 °C21 July 1957	20.6 °C	1,420 mm	21
1956	33.4 °C8 October 1956	5.7 °C6 June 1956	20.3 °C	1,162 mm	52
1955	36.1 °C1 October 1955	5.6 °C1 August 1955	20.9 °C	1,239 mm	49
1954	34.6 °C19 September 1954	4.8 °C21 June 1954	21.2 °C	1,248 mm	38
1953	32.0 °C21 August 1953	9.9 °C25 July 1953	21.2 °C	1,389 mm	17
1952	34.7 °C30 September 1952	6.7 °C17 July 1952	20.8 °C	1,315 mm	27
1951	34.5 °C19 November 1951	8.2 °C30 June 1951	21.0 °C	1,210 mm	38
1950	34.0 °C17 September 1950	7.8 °C12 July 1950	20.7 °C	1,542 mm	24
1949	31.5 °C13 October 1949	10.2 °C19 May 1949	20.4 °C	1,881 mm	6
1948	36.0 °C26 September 1948	8.0 °C15 June 1948	21.2 °C	1,306 mm	32
1947	32.6 °C8 January 1947	7.1 °C3 August 1947	20.2 °C	1,921 mm	13
1946	30.6 °C18 October 1946	5.6 °C4 June 1946	20.9 °C	2,129 mm	10
1945	32.3 °C28 September 1945	9.8 °C21 June 1945	20.7 °C	2,226 mm	8
1944	35.0 °C7 September 1944	9.8 °C11 July 1944	21.5 °C	1,387 mm	34
1943	33.5 °C17 January 1943	8.9 °C26 June 1943	20.4 °C	982 mm	29
1942	38.1 °C27 November 1942	4.0 °C18 June 1942	21.0 °C	854 mm	78
1941	31.0 °C9 January 1941	5.9 °C30 May 1941	20.7 °C	2,009 mm	9
1940	32.3 °C23 August 1940	8.7 °C18 August 1940	20.9 °C	1,775 mm	9

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

27.9 °C

+0.9 °C

Hot days (≥ 30 °C)

127 d/yr

+50

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1099 mm

-237 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.3 °C	+1.6 °C	175 mm	-41 mm
Feb	30.7 °C	+1.9 °C	209 mm	+21 mm
Mar	30.7 °C	+2.3 °C	48 mm	-87 mm
Apr	27.5 °C	+0.4 °C	88 mm	+21 mm
May	26.0 °C	+1.4 °C	17 mm	-48 mm
Jun	23.7 °C	0.0 °C	61 mm	+14 mm
Jul	23.9 °C	0.0 °C	6 mm	-32 mm
Aug	26.5 °C	+0.3 °C	1 mm	-34 mm
Sep	29.9 °C	+2.1 °C	16 mm	-54 mm
Oct	28.2 °C	0.0 °C	97 mm	-31 mm
Nov	28.1 °C	-0.2 °C	129 mm	-17 mm
Dec	29.8 °C	+1.5 °C	253 mm	+50 mm

The year's extremes

Hottest day

35.4 °C

30 Sep 2025

Coldest day

4.0 °C

25 Jun 2025

Wettest day

116.3 mm

1 Feb 2025

Windiest day

30.8 km/h

5 Apr 2025

Strongest gust

81.7 km/h

22 Sep 2025

Hottest feels-like

39.8 °C

26 Dec 2025

Coldest feels-like

0.8 °C

25 Jun 2025

Sunniest day

13.2 h

26 Nov 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 Piratininga?

Piratininga has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.6 °C and it receives 1,336 mm of precipitation per year.

What is the hottest day ever recorded in Piratininga?

The hottest day measured in Piratininga between 1940 and 2025 was 7 October 2020, reaching 39.8 °C.

What is the coldest day in Piratininga?

The coldest day measured in Piratininga between 1940 and 2025 was 1 June 1979, at 0.9 °C.

Does it snow in Piratininga?

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

Has the climate of Piratininga warmed?

Yes: Piratininga warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Piratininga?

The wettest day measured in Piratininga between 1940 and 2025 was 8 February 1995, with 192 mm of rain in 24 hours.

What was the windiest day in Piratininga?

The windiest day measured in Piratininga between 1940 and 2025 was 16 October 1950, with winds reaching 35.2 km/h.

What is the warmest month in Piratininga?

The warmest month in Piratininga is January (24.0 °C on average); the coldest is July (17.9 °C).

How much does it rain in Piratininga?

Piratininga receives on average 1,336 mm of precipitation per year, spread over about 145 rainy days.

Is it sunny in Piratininga?

Piratininga gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Are there tropical nights in Piratininga?

Yes: Piratininga has on average 88 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Piratininga?

In Piratininga, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 29 October 2007, and the lowest was -2.5 °C on 18 July 1975.

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