Itaim Bibi climate — normals and trends

Q: What is the climate of Itaim Bibi?

Itaim Bibi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 1,347 mm of precipitation per year.

Q: What is the hottest day ever recorded in Itaim Bibi?

The hottest day measured in Itaim Bibi between 1940 and 2025 was 2 October 2020, reaching 36.9 °C.

Q: What is the coldest day in Itaim Bibi?

The coldest day measured in Itaim Bibi between 1940 and 2025 was 1 June 1979, at 1.5 °C.

Q: Does it snow in Itaim Bibi?

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

Q: Has the climate of Itaim Bibi warmed?

Yes: Itaim Bibi warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Itaim Bibi?

The wettest day measured in Itaim Bibi between 1940 and 2025 was 18 December 1945, with 113 mm of rain in 24 hours.

Q: What was the windiest day in Itaim Bibi?

The windiest day measured in Itaim Bibi between 1940 and 2025 was 10 December 2025, with winds reaching 47.0 km/h.

Q: What is the warmest month in Itaim Bibi?

The warmest month in Itaim Bibi is February (22.3 °C on average); the coldest is July (16.2 °C).

Q: How much does it rain in Itaim Bibi?

Itaim Bibi receives on average 1,347 mm of precipitation per year, spread over about 163 rainy days.

Q: Is it sunny in Itaim Bibi?

Itaim Bibi gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

Itaim Bibi (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.5 °C and it receives 1,347 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 February (22.3 °C on average) and the coldest is July (16.2 °C). Rainfall peaks in January.

Itaim Bibi averages 0 frost days, 24 hot days (≥ 30 °C) and 163 rainy days per year.

Itaim Bibi has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.9 °C (on 2 October 2020) and the coldest 1.5 °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

Itaim BibiSão Paulo

coords: -23.59°, -46.68°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthFebruaryColdest monthJulyWettest monthJanuaryDriest monthAugust

Mean daily temperature

19.5°C

Average daily high

24.5°C

Average daily low

15.8°C

Annual rainfall

1,347mm

Sunshine / day

9.0h

Mean relative humidity

80%

Average peak wind

16.0km/h

Seasonal range

6.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

24 d/yr

Rainy days (≥ 1 mm)

163 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.7 °C

Average feels-like low

15.9 °C

Average peak gust

35.0 km/h

Tropical nights (≥ 20 °C)

27 d/yr

Solar radiation

16.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.59 · 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

36.9 °C

2 October 2020

Coldest day

1.5 °C

1 June 1979

Wettest day

113 mm

18 December 1945

Windiest day

47.0 km/h

10 December 2025

Strongest gust

91.4 km/h

22 September 2025

Hottest feels-like

39.6 °C

11 January 2015

Coldest feels-like

-3.3 °C

21 July 1981

Sunniest day

13.5 h

16 December 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.0 °C28 December 2025	4.6 °C25 June 2025	19.8 °C	1,036 mm	59
2024	35.4 °C2 October 2024	3.4 °C27 August 2024	20.8 °C	1,290 mm	76
2023	36.3 °C24 September 2023	8.0 °C17 June 2023	20.5 °C	1,226 mm	56
2022	32.9 °C9 September 2022	5.2 °C20 May 2022	19.4 °C	1,317 mm	34
2021	34.2 °C20 September 2021	2.2 °C30 July 2021	19.6 °C	984 mm	41
2020	36.9 °C2 October 2020	6.7 °C2 July 2020	19.9 °C	1,103 mm	47
2019	35.3 °C4 November 2019	5.2 °C7 July 2019	20.8 °C	1,127 mm	68
2018	33.9 °C20 December 2018	7.8 °C11 July 2018	20.3 °C	1,077 mm	40
2017	34.2 °C12 October 2017	7.6 °C19 July 2017	20.5 °C	1,098 mm	59
2016	33.8 °C19 October 2016	3.2 °C13 June 2016	20.3 °C	1,312 mm	63
2015	35.0 °C24 September 2015	10.4 °C27 June 2015	21.1 °C	1,485 mm	61
2014	36.2 °C19 October 2014	8.4 °C7 August 2014	20.9 °C	859 mm	80
2013	33.7 °C27 December 2013	5.8 °C24 July 2013	19.7 °C	1,307 mm	44
2012	34.5 °C31 October 2012	7.3 °C14 July 2012	20.3 °C	1,258 mm	46
2011	33.7 °C1 October 2011	4.7 °C28 June 2011	19.7 °C	1,298 mm	40
2010	32.7 °C6 February 2010	7.6 °C8 June 2010	20.0 °C	1,414 mm	53
2009	32.7 °C2 March 2009	6.4 °C3 June 2009	20.1 °C	1,580 mm	27
2008	33.0 °C15 October 2008	7.9 °C17 June 2008	19.6 °C	1,344 mm	22
2007	34.4 °C21 October 2007	5.5 °C30 July 2007	20.2 °C	1,110 mm	46
2006	34.3 °C15 September 2006	5.3 °C6 September 2006	20.0 °C	1,072 mm	32
2005	33.2 °C29 August 2005	8.1 °C26 July 2005	20.1 °C	1,167 mm	16
2004	33.0 °C26 September 2004	6.7 °C9 August 2004	19.4 °C	1,255 mm	12
2003	33.3 °C24 September 2003	6.2 °C18 August 2003	20.1 °C	1,056 mm	38
2002	34.6 °C16 October 2002	5.2 °C3 September 2002	20.7 °C	1,108 mm	43
2001	31.3 °C7 January 2001	5.4 °C29 July 2001	20.1 °C	1,105 mm	24
2000	33.2 °C23 October 2000	3.2 °C18 July 2000	19.6 °C	1,394 mm	24
1999	33.2 °C7 September 1999	6.4 °C15 August 1999	19.4 °C	1,396 mm	26
1998	32.1 °C4 February 1998	8.5 °C9 June 1998	19.9 °C	1,311 mm	31
1997	33.6 °C9 September 1997	5.8 °C9 June 1997	20.0 °C	1,448 mm	34
1996	32.6 °C30 January 1996	5.6 °C2 August 1996	19.4 °C	1,563 mm	22
1995	32.6 °C25 February 1995	8.8 °C5 June 1995	19.9 °C	1,647 mm	35
1994	33.5 °C23 September 1994	2.8 °C26 June 1994	20.3 °C	1,270 mm	43
1993	32.6 °C2 January 1993	4.7 °C1 August 1993	19.9 °C	1,306 mm	24
1992	31.0 °C15 November 1992	6.7 °C26 August 1992	19.6 °C	1,296 mm	8
1991	31.9 °C16 October 1991	5.3 °C2 August 1991	19.6 °C	1,526 mm	8
1990	32.3 °C16 November 1990	2.4 °C29 July 1990	19.7 °C	1,350 mm	30
1989	31.3 °C31 January 1989	6.2 °C20 July 1989	19.1 °C	1,404 mm	7
1988	33.7 °C27 September 1988	1.5 °C6 June 1988	19.4 °C	1,396 mm	32
1987	32.1 °C23 February 1987	5.2 °C8 August 1987	19.7 °C	1,235 mm	27
1986	32.6 °C7 October 1986	7.0 °C5 June 1986	19.9 °C	1,533 mm	27
1985	33.3 °C17 November 1985	4.5 °C8 June 1985	19.6 °C	1,145 mm	23
1984	33.3 °C4 February 1984	3.3 °C27 August 1984	20.0 °C	1,172 mm	36
1983	31.3 °C17 February 1983	4.9 °C6 August 1983	19.7 °C	1,974 mm	13
1982	31.3 °C13 February 1982	8.0 °C31 July 1982	19.5 °C	1,628 mm	8
1981	31.8 °C20 September 1981	1.5 °C20 June 1981	19.1 °C	1,436 mm	14
1980	31.3 °C27 October 1980	5.6 °C23 September 1980	19.6 °C	1,295 mm	12
1979	31.7 °C7 February 1979	1.5 °C1 June 1979	18.9 °C	1,330 mm	12
1978	32.8 °C25 January 1978	4.1 °C16 August 1978	19.3 °C	1,243 mm	27
1977	32.0 °C9 February 1977	7.1 °C17 May 1977	20.2 °C	1,354 mm	24
1976	32.6 °C19 January 1976	5.4 °C16 August 1976	18.9 °C	1,951 mm	10
1975	32.7 °C10 September 1975	2.7 °C18 July 1975	19.4 °C	1,276 mm	26
1974	33.0 °C19 November 1974	5.1 °C17 August 1974	19.1 °C	1,348 mm	16
1973	32.9 °C22 February 1973	5.6 °C20 June 1973	19.6 °C	1,329 mm	22
1972	32.2 °C26 October 1972	5.0 °C9 July 1972	19.5 °C	1,496 mm	9
1971	33.4 °C25 January 1971	6.1 °C7 July 1971	19.1 °C	1,093 mm	30
1970	31.8 °C8 December 1970	7.0 °C2 September 1970	19.3 °C	1,136 mm	14
1969	32.4 °C5 January 1969	3.0 °C11 July 1969	19.5 °C	959 mm	19
1968	33.1 °C7 October 1968	4.3 °C18 May 1968	18.6 °C	959 mm	19
1967	31.3 °C9 October 1967	6.2 °C9 June 1967	19.6 °C	1,206 mm	10
1966	31.4 °C12 September 1966	4.9 °C7 August 1966	18.8 °C	1,647 mm	9
1965	32.5 °C10 September 1965	3.6 °C12 July 1965	18.7 °C	1,560 mm	8
1964	29.0 °C13 March 1964	5.9 °C29 July 1964	18.1 °C	1,486 mm	0
1963	34.9 °C15 October 1963	6.6 °C21 June 1963	19.7 °C	1,209 mm	40
1962	30.3 °C8 September 1962	5.0 °C7 July 1962	17.8 °C	1,705 mm	2
1961	36.6 °C27 September 1961	9.0 °C15 June 1961	19.9 °C	1,136 mm	36
1960	33.8 °C24 September 1960	6.5 °C15 July 1960	18.4 °C	1,467 mm	6
1959	32.0 °C11 October 1959	5.6 °C8 June 1959	19.5 °C	1,241 mm	16
1958	31.5 °C8 January 1958	5.2 °C23 June 1958	19.1 °C	1,557 mm	12
1957	31.3 °C19 October 1957	4.6 °C22 July 1957	18.6 °C	1,543 mm	3
1956	32.5 °C6 February 1956	6.9 °C26 August 1956	18.2 °C	1,129 mm	21
1955	32.9 °C1 October 1955	6.6 °C31 July 1955	18.6 °C	1,163 mm	15
1954	32.6 °C22 September 1954	7.0 °C21 June 1954	19.0 °C	1,454 mm	8
1953	31.5 °C21 August 1953	9.0 °C13 July 1953	19.1 °C	1,236 mm	4
1952	32.3 °C30 September 1952	5.4 °C16 July 1952	18.7 °C	1,191 mm	6
1951	31.4 °C19 November 1951	7.2 °C4 June 1951	18.8 °C	1,171 mm	8
1950	32.1 °C17 September 1950	7.0 °C15 July 1950	18.6 °C	1,700 mm	6
1949	29.9 °C13 October 1949	8.4 °C28 August 1949	18.4 °C	1,865 mm	0
1948	34.2 °C26 September 1948	8.5 °C6 June 1948	18.9 °C	1,234 mm	7
1947	31.3 °C8 January 1947	5.9 °C4 August 1947	18.2 °C	1,781 mm	7
1946	29.2 °C19 October 1946	7.1 °C4 June 1946	19.1 °C	1,910 mm	0
1945	30.0 °C28 September 1945	8.6 °C28 June 1945	18.9 °C	2,140 mm	1
1944	33.2 °C7 September 1944	8.1 °C15 July 1944	19.3 °C	1,286 mm	11
1943	29.5 °C1 January 1943	7.0 °C8 August 1943	18.1 °C	1,044 mm	0
1942	34.9 °C27 November 1942	5.0 °C24 June 1942	18.6 °C	1,031 mm	14
1941	30.1 °C11 January 1941	6.7 °C4 September 1941	18.9 °C	2,003 mm	1
1940	31.3 °C12 September 1940	9.1 °C28 August 1940	19.3 °C	1,547 mm	4

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

25.2 °C

+0.7 °C

Hot days (≥ 30 °C)

59 d/yr

+35

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1036 mm

-311 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.5 °C	+0.7 °C	226 mm	+19 mm
Feb	29.7 °C	+2.7 °C	111 mm	-66 mm
Mar	28.3 °C	+2.0 °C	110 mm	-45 mm
Apr	24.4 °C	-0.2 °C	141 mm	+69 mm
May	23.6 °C	+1.1 °C	28 mm	-35 mm
Jun	21.5 °C	0.0 °C	52 mm	+4 mm
Jul	20.4 °C	-1.1 °C	9 mm	-38 mm
Aug	23.2 °C	0.0 °C	21 mm	-19 mm
Sep	25.1 °C	+0.7 °C	22 mm	-60 mm
Oct	24.4 °C	-0.3 °C	98 mm	-30 mm
Nov	25.3 °C	+0.2 °C	79 mm	-63 mm
Dec	28.6 °C	+2.7 °C	140 mm	-48 mm

The year's extremes

Hottest day

34.0 °C

28 Dec 2025

Coldest day

4.6 °C

25 Jun 2025

Wettest day

32.2 mm

9 Dec 2025

Windiest day

47.0 km/h

10 Dec 2025

Strongest gust

91.4 km/h

22 Sep 2025

Hottest feels-like

39.5 °C

28 Dec 2025

Coldest feels-like

1.8 °C

25 Jun 2025

Sunniest day

13.5 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 Itaim Bibi?

Itaim Bibi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 1,347 mm of precipitation per year.

What is the hottest day ever recorded in Itaim Bibi?

The hottest day measured in Itaim Bibi between 1940 and 2025 was 2 October 2020, reaching 36.9 °C.

What is the coldest day in Itaim Bibi?

The coldest day measured in Itaim Bibi between 1940 and 2025 was 1 June 1979, at 1.5 °C.

Does it snow in Itaim Bibi?

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

Has the climate of Itaim Bibi warmed?

Yes: Itaim Bibi warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Itaim Bibi?

The wettest day measured in Itaim Bibi between 1940 and 2025 was 18 December 1945, with 113 mm of rain in 24 hours.

What was the windiest day in Itaim Bibi?

The windiest day measured in Itaim Bibi between 1940 and 2025 was 10 December 2025, with winds reaching 47.0 km/h.

What is the warmest month in Itaim Bibi?

The warmest month in Itaim Bibi is February (22.3 °C on average); the coldest is July (16.2 °C).

How much does it rain in Itaim Bibi?

Itaim Bibi receives on average 1,347 mm of precipitation per year, spread over about 163 rainy days.

Is it sunny in Itaim Bibi?

Itaim Bibi gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

Are there tropical nights in Itaim Bibi?

Yes: Itaim Bibi has on average 27 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Itaim Bibi?

In Itaim Bibi, between 1940 and 2025, the highest apparent temperature reached 39.6 °C on 11 January 2015, and the lowest was -3.3 °C on 21 July 1981.

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