Tambaú climate — normals and trends

Q: What is the climate of Tambaú?

Tambaú has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 21.8 °C and it receives 1,332 mm of precipitation per year.

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

The hottest day measured in Tambaú between 1940 and 2025 was 19 October 2014, reaching 39.3 °C.

Q: What is the coldest day in Tambaú?

The coldest day measured in Tambaú between 1940 and 2025 was 21 July 1981, at 0.9 °C.

Q: Does it snow in Tambaú?

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

Q: Has the climate of Tambaú warmed?

Yes: Tambaú warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Tambaú?

The wettest day measured in Tambaú between 1940 and 2025 was 24 December 1945, with 147 mm of rain in 24 hours.

Q: What was the windiest day in Tambaú?

The windiest day measured in Tambaú between 1940 and 2025 was 15 September 1956, with winds reaching 30.2 km/h.

Q: What is the warmest month in Tambaú?

The warmest month in Tambaú is February (24.0 °C on average); the coldest is July (18.2 °C).

Q: How much does it rain in Tambaú?

Tambaú receives on average 1,332 mm of precipitation per year, spread over about 148 rainy days.

Q: Is it sunny in Tambaú?

Tambaú gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Tambaú (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 21.8 °C and it receives 1,332 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 (24.0 °C on average) and the coldest is July (18.2 °C). Rainfall peaks in December.

Tambaú averages 0 frost days, 85 hot days (≥ 30 °C) and 148 rainy days per year.

Tambaú has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.3 °C (on 19 October 2014) and the coldest 0.9 °C (on 21 July 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

TambaúSão Paulo

coords: -21.70°, -47.27°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthFebruaryColdest monthJulyWettest monthDecemberDriest monthAugust

Mean daily temperature

21.8°C

Average daily high

27.5°C

Average daily low

17.0°C

Annual rainfall

1,332mm

Sunshine / day

10.1h

Mean relative humidity

71%

Average peak wind

12.6km/h

Seasonal range

5.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

85 d/yr

Rainy days (≥ 1 mm)

148 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.5 °C

Average feels-like low

17.6 °C

Average peak gust

30.2 km/h

Tropical nights (≥ 20 °C)

76 d/yr

Solar radiation

18.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.68 · 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

39.3 °C

19 October 2014

Coldest day

0.9 °C

21 July 1981

Wettest day

147 mm

24 December 1945

Windiest day

30.2 km/h

15 September 1956

Strongest gust

76.7 km/h

28 November 1950

Hottest feels-like

42.0 °C

29 October 2007

Coldest feels-like

-2.4 °C

21 July 1981

Sunniest day

13.3 h

19 December 2024

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.9 °C6 October 2025	3.5 °C25 June 2025	22.3 °C	868 mm	136
2024	37.6 °C8 October 2024	4.2 °C13 August 2024	23.2 °C	1,115 mm	187
2023	38.2 °C14 November 2023	4.7 °C19 June 2023	22.5 °C	998 mm	138
2022	34.8 °C9 September 2022	5.3 °C21 May 2022	22.1 °C	1,024 mm	128
2021	37.2 °C21 September 2021	1.7 °C30 July 2021	22.3 °C	862 mm	137
2020	38.1 °C6 October 2020	5.7 °C27 May 2020	22.4 °C	982 mm	115
2019	37.2 °C3 February 2019	5.9 °C7 July 2019	23.2 °C	1,060 mm	152
2018	35.6 °C24 September 2018	6.8 °C12 July 2018	23.2 °C	955 mm	159
2017	37.6 °C14 October 2017	9.6 °C11 June 2017	23.1 °C	1,020 mm	163
2016	36.1 °C17 October 2016	4.4 °C13 June 2016	22.9 °C	1,339 mm	169
2015	38.6 °C19 January 2015	11.1 °C29 August 2015	23.5 °C	1,333 mm	153
2014	39.3 °C19 October 2014	9.5 °C4 June 2014	23.8 °C	714 mm	191
2013	35.8 °C11 November 2013	5.9 °C28 August 2013	22.1 °C	1,354 mm	108
2012	37.3 °C31 October 2012	6.4 °C15 July 2012	22.8 °C	1,186 mm	143
2011	35.1 °C30 September 2011	4.3 °C5 August 2011	22.3 °C	1,340 mm	115
2010	35.0 °C29 October 2010	7.7 °C16 August 2010	22.7 °C	1,053 mm	148
2009	34.2 °C13 January 2009	4.4 °C4 June 2009	22.4 °C	1,576 mm	94
2008	36.5 °C15 October 2008	6.8 °C16 July 2008	22.2 °C	1,225 mm	88
2007	36.3 °C29 October 2007	6.8 °C25 May 2007	22.9 °C	1,184 mm	138
2006	36.1 °C15 September 2006	7.1 °C6 September 2006	22.3 °C	1,153 mm	101
2005	35.7 °C13 October 2005	8.7 °C9 July 2005	22.6 °C	1,195 mm	111
2004	34.9 °C24 September 2004	7.0 °C24 July 2004	21.6 °C	1,409 mm	80
2003	35.1 °C25 September 2003	7.9 °C18 August 2003	22.4 °C	1,086 mm	102
2002	36.7 °C12 October 2002	6.6 °C3 September 2002	22.9 °C	1,093 mm	142
2001	35.1 °C10 September 2001	7.0 °C22 June 2001	22.5 °C	1,096 mm	134
2000	35.5 °C13 October 2000	3.7 °C18 July 2000	21.8 °C	1,547 mm	94
1999	35.8 °C1 October 1999	7.4 °C23 May 1999	21.9 °C	1,202 mm	107
1998	34.1 °C13 September 1998	7.2 °C13 July 1998	22.1 °C	1,363 mm	103
1997	34.9 °C9 September 1997	4.9 °C10 June 1997	22.1 °C	1,504 mm	107
1996	34.1 °C30 January 1996	6.3 °C13 July 1996	21.7 °C	1,594 mm	96
1995	35.3 °C18 January 1995	9.5 °C20 May 1995	22.1 °C	1,763 mm	108
1994	36.1 °C2 October 1994	2.1 °C28 June 1994	22.4 °C	1,311 mm	119
1993	34.7 °C16 November 1993	7.0 °C1 August 1993	22.0 °C	1,302 mm	83
1992	32.7 °C15 November 1992	9.0 °C26 August 1992	21.7 °C	1,355 mm	49
1991	33.3 °C30 October 1991	8.5 °C25 July 1991	21.9 °C	1,773 mm	74
1990	35.1 °C11 October 1990	4.1 °C19 May 1990	22.3 °C	1,210 mm	128
1989	32.9 °C9 December 1989	4.8 °C10 July 1989	21.4 °C	1,454 mm	64
1988	36.8 °C27 September 1988	1.8 °C6 June 1988	21.9 °C	1,331 mm	98
1987	35.1 °C18 October 1987	4.4 °C20 June 1987	22.1 °C	1,224 mm	105
1986	35.7 °C7 October 1986	5.9 °C5 June 1986	22.0 °C	1,327 mm	86
1985	37.2 °C17 November 1985	3.5 °C8 June 1985	21.8 °C	1,194 mm	88
1984	35.6 °C3 November 1984	6.7 °C27 August 1984	22.6 °C	1,096 mm	110
1983	33.2 °C17 February 1983	6.2 °C6 August 1983	21.7 °C	2,219 mm	50
1982	32.8 °C16 February 1982	9.5 °C1 August 1982	21.6 °C	1,670 mm	53
1981	34.9 °C20 September 1981	0.9 °C21 July 1981	21.9 °C	1,211 mm	91
1980	36.0 °C28 October 1980	6.7 °C15 June 1980	22.1 °C	1,263 mm	91
1979	34.7 °C22 November 1979	2.3 °C1 June 1979	21.5 °C	1,377 mm	70
1978	34.1 °C25 October 1978	4.7 °C16 August 1978	21.7 °C	1,190 mm	85
1977	34.2 °C28 February 1977	7.2 °C18 May 1977	22.1 °C	1,279 mm	95
1976	33.5 °C19 January 1976	6.2 °C6 July 1976	21.0 °C	1,795 mm	39
1975	33.5 °C8 September 1975	5.3 °C18 July 1975	21.6 °C	1,269 mm	94
1974	35.2 °C19 November 1974	6.5 °C17 August 1974	21.5 °C	1,428 mm	93
1973	34.8 °C22 February 1973	5.3 °C20 June 1973	22.1 °C	1,249 mm	99
1972	34.3 °C26 October 1972	5.9 °C9 July 1972	21.5 °C	1,554 mm	57
1971	35.1 °C25 January 1971	6.0 °C7 July 1971	21.5 °C	1,120 mm	77
1970	34.5 °C24 December 1970	7.8 °C15 July 1970	21.7 °C	956 mm	75
1969	34.7 °C11 September 1969	3.9 °C11 July 1969	22.3 °C	863 mm	107
1968	35.3 °C8 October 1968	5.0 °C18 May 1968	21.1 °C	848 mm	85
1967	33.7 °C6 September 1967	5.5 °C10 June 1967	21.8 °C	1,225 mm	70
1966	34.4 °C16 September 1966	7.4 °C7 August 1966	21.1 °C	1,378 mm	35
1965	34.0 °C5 September 1965	2.0 °C12 July 1965	20.7 °C	1,612 mm	26
1964	32.2 °C1 September 1964	5.2 °C28 July 1964	20.3 °C	1,822 mm	15
1963	37.8 °C17 October 1963	5.5 °C22 June 1963	22.4 °C	966 mm	103
1962	33.1 °C11 September 1962	4.7 °C7 July 1962	20.3 °C	1,690 mm	25
1961	38.2 °C28 September 1961	10.0 °C4 August 1961	22.2 °C	1,324 mm	78
1960	37.3 °C25 September 1960	7.0 °C10 July 1960	20.8 °C	1,638 mm	27
1959	34.1 °C4 October 1959	6.4 °C8 June 1959	21.8 °C	1,189 mm	74
1958	34.5 °C2 December 1958	6.6 °C20 June 1958	21.3 °C	1,165 mm	70
1957	35.8 °C20 October 1957	3.5 °C22 July 1957	21.0 °C	1,332 mm	32
1956	33.5 °C2 February 1956	5.9 °C22 July 1956	20.4 °C	1,175 mm	51
1955	36.3 °C1 October 1955	5.9 °C27 May 1955	21.4 °C	1,140 mm	67
1954	35.2 °C22 September 1954	6.6 °C22 June 1954	21.2 °C	1,702 mm	40
1953	32.6 °C21 August 1953	8.4 °C6 July 1953	21.2 °C	1,427 mm	11
1952	34.2 °C30 September 1952	6.0 °C16 July 1952	20.7 °C	1,420 mm	26
1951	34.2 °C19 November 1951	9.5 °C2 June 1951	21.0 °C	1,095 mm	43
1950	33.7 °C17 September 1950	7.6 °C11 June 1950	20.7 °C	1,634 mm	30
1949	33.9 °C13 October 1949	8.8 °C5 July 1949	20.7 °C	1,643 mm	16
1948	36.0 °C27 September 1948	6.9 °C16 June 1948	21.3 °C	1,231 mm	49
1947	33.2 °C9 January 1947	6.1 °C8 July 1947	20.4 °C	1,717 mm	15
1946	31.1 °C6 September 1946	6.0 °C28 July 1946	20.9 °C	1,570 mm	19
1945	31.9 °C28 September 1945	7.7 °C26 June 1945	20.7 °C	2,335 mm	16
1944	35.2 °C7 September 1944	8.3 °C11 July 1944	21.3 °C	1,533 mm	32
1943	31.0 °C17 January 1943	7.7 °C19 July 1943	20.0 °C	1,332 mm	2
1942	36.8 °C28 November 1942	4.0 °C19 June 1942	20.6 °C	1,098 mm	62
1941	31.0 °C10 January 1941	8.0 °C19 July 1941	20.9 °C	2,151 mm	9
1940	33.1 °C23 August 1940	9.8 °C19 August 1940	21.1 °C	1,918 mm	12

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

28.8 °C

+1.3 °C

Hot days (≥ 30 °C)

136 d/yr

+51

Frost days (< 0 °C)

0 d/yr

Annual rainfall

868 mm

-464 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.4 °C	+1.8 °C	151 mm	-71 mm
Feb	31.2 °C	+2.4 °C	83 mm	-94 mm
Mar	31.2 °C	+2.7 °C	88 mm	-52 mm
Apr	28.2 °C	+0.8 °C	93 mm	+23 mm
May	26.9 °C	+1.6 °C	5 mm	-49 mm
Jun	25.4 °C	+0.9 °C	34 mm	-0 mm
Jul	25.5 °C	+0.7 °C	1 mm	-26 mm
Aug	28.0 °C	+0.8 °C	3 mm	-23 mm
Sep	30.7 °C	+1.8 °C	15 mm	-48 mm
Oct	29.4 °C	+0.5 °C	127 mm	-4 mm
Nov	29.2 °C	+0.7 °C	115 mm	-51 mm
Dec	30.1 °C	+1.8 °C	154 mm	-70 mm

The year's extremes

Hottest day

35.9 °C

6 Oct 2025

Coldest day

3.5 °C

25 Jun 2025

Wettest day

35.5 mm

18 Oct 2025

Windiest day

27.4 km/h

7 Oct 2025

Strongest gust

61.6 km/h

18 Nov 2025

Hottest feels-like

39.9 °C

26 Dec 2025

Coldest feels-like

0.9 °C

25 Jun 2025

Sunniest day

13.3 h

5 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 Tambaú?

Tambaú has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 21.8 °C and it receives 1,332 mm of precipitation per year.

What is the hottest day ever recorded in Tambaú?

The hottest day measured in Tambaú between 1940 and 2025 was 19 October 2014, reaching 39.3 °C.

What is the coldest day in Tambaú?

The coldest day measured in Tambaú between 1940 and 2025 was 21 July 1981, at 0.9 °C.

Does it snow in Tambaú?

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

Has the climate of Tambaú warmed?

Yes: Tambaú warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Tambaú?

The wettest day measured in Tambaú between 1940 and 2025 was 24 December 1945, with 147 mm of rain in 24 hours.

What was the windiest day in Tambaú?

The windiest day measured in Tambaú between 1940 and 2025 was 15 September 1956, with winds reaching 30.2 km/h.

What is the warmest month in Tambaú?

The warmest month in Tambaú is February (24.0 °C on average); the coldest is July (18.2 °C).

How much does it rain in Tambaú?

Tambaú receives on average 1,332 mm of precipitation per year, spread over about 148 rainy days.

Is it sunny in Tambaú?

Tambaú gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Are there tropical nights in Tambaú?

Yes: Tambaú has on average 76 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Tambaú?

In Tambaú, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 29 October 2007, and the lowest was -2.4 °C on 21 July 1981.

Compare Tambaú with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Tambaú

Other cities — Brazil

All cities in Brazil →