Birigui climate — normals and trends

Q: What is the climate of Birigui?

Birigui has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.7 °C and it receives 1,236 mm of precipitation per year.

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

The hottest day measured in Birigui between 1940 and 2025 was 7 October 2020, reaching 42.1 °C.

Q: What is the coldest day in Birigui?

The coldest day measured in Birigui between 1940 and 2025 was 18 July 1975, at 1.3 °C.

Q: Does it snow in Birigui?

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

Q: Has the climate of Birigui warmed?

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

Q: What is the wettest day in Birigui?

The wettest day measured in Birigui between 1940 and 2025 was 6 January 2007, with 121 mm of rain in 24 hours.

Q: What was the windiest day in Birigui?

The windiest day measured in Birigui between 1940 and 2025 was 15 September 1956, with winds reaching 40.0 km/h.

Q: What is the warmest month in Birigui?

The warmest month in Birigui is February (25.6 °C on average); the coldest is June (20.2 °C).

Q: How much does it rain in Birigui?

Birigui receives on average 1,236 mm of precipitation per year, spread over about 140 rainy days.

Q: Is it sunny in Birigui?

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

Birigui (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.7 °C and it receives 1,236 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 (25.6 °C on average) and the coldest is June (20.2 °C). Rainfall peaks in January.

Birigui averages 0 frost days, 146 hot days (≥ 30 °C) and 140 rainy days per year.

Birigui 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 42.1 °C (on 7 October 2020) and the coldest 1.3 °C (on 18 July 1975).

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

BiriguiSão Paulo

coords: -21.29°, -50.34°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthFebruaryColdest monthJuneWettest monthJanuaryDriest monthAugust

Mean daily temperature

23.7°C

Average daily high

29.0°C

Average daily low

19.3°C

Annual rainfall

1,236mm

Sunshine / day

10.1h

Mean relative humidity

71%

Average peak wind

13.9km/h

Seasonal range

5.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

146 d/yr

Rainy days (≥ 1 mm)

140 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.6 °C

Average feels-like low

20.5 °C

Average peak gust

30.3 km/h

Tropical nights (≥ 20 °C)

186 d/yr

Solar radiation

18.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.65 · 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

42.1 °C

7 October 2020

Coldest day

1.3 °C

18 July 1975

Wettest day

121 mm

6 January 2007

Windiest day

40.0 km/h

15 September 1956

Strongest gust

83.2 km/h

7 June 2011

Hottest feels-like

44.7 °C

13 November 2015

Coldest feels-like

-2.8 °C

18 July 1975

Sunniest day

13.1 h

17 December 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.5 °C6 October 2025	5.2 °C25 June 2025	24.0 °C	840 mm	208
2024	40.4 °C8 October 2024	7.4 °C12 August 2024	25.3 °C	890 mm	277
2023	40.1 °C24 September 2023	8.9 °C14 July 2023	24.4 °C	882 mm	201
2022	36.1 °C9 September 2022	6.5 °C19 May 2022	24.0 °C	812 mm	225
2021	40.7 °C21 September 2021	2.2 °C29 July 2021	24.4 °C	733 mm	244
2020	42.1 °C7 October 2020	6.9 °C27 May 2020	24.4 °C	813 mm	225
2019	38.7 °C12 September 2019	7.1 °C6 July 2019	25.3 °C	846 mm	232
2018	37.5 °C24 September 2018	7.3 °C11 August 2018	25.1 °C	913 mm	233
2017	38.6 °C12 October 2017	8.4 °C10 June 2017	24.4 °C	1,168 mm	189
2016	39.0 °C19 October 2016	6.8 °C18 July 2016	24.4 °C	1,179 mm	213
2015	39.2 °C20 October 2015	13.9 °C20 August 2015	24.7 °C	1,305 mm	192
2014	41.4 °C17 October 2014	10.3 °C3 June 2014	24.7 °C	933 mm	217
2013	38.4 °C5 December 2013	4.4 °C28 August 2013	24.2 °C	1,092 mm	176
2012	39.5 °C30 October 2012	8.9 °C18 July 2012	24.7 °C	1,178 mm	209
2011	38.1 °C30 September 2011	5.8 °C4 August 2011	24.3 °C	1,335 mm	211
2010	37.1 °C17 September 2010	9.3 °C6 June 2010	24.0 °C	1,078 mm	185
2009	36.7 °C6 March 2009	7.2 °C3 June 2009	24.0 °C	1,346 mm	148
2008	39.1 °C15 October 2008	9.5 °C17 June 2008	24.1 °C	1,071 mm	176
2007	38.4 °C23 September 2007	7.8 °C26 July 2007	24.9 °C	1,243 mm	239
2006	37.8 °C18 November 2006	9.3 °C6 September 2006	24.4 °C	1,087 mm	183
2005	37.2 °C12 March 2005	9.3 °C10 August 2005	24.4 °C	1,218 mm	177
2004	39.5 °C25 September 2004	8.2 °C13 June 2004	23.9 °C	1,203 mm	162
2003	38.1 °C19 October 2003	9.3 °C26 August 2003	24.2 °C	1,101 mm	192
2002	38.3 °C15 October 2002	6.8 °C3 September 2002	25.0 °C	981 mm	239
2001	37.0 °C10 September 2001	7.4 °C21 June 2001	23.9 °C	1,102 mm	187
2000	37.9 °C22 October 2000	4.7 °C17 July 2000	23.7 °C	1,373 mm	175
1999	38.6 °C1 October 1999	8.5 °C21 May 1999	23.9 °C	1,197 mm	197
1998	36.1 °C13 September 1998	11.5 °C17 May 1998	23.9 °C	1,447 mm	185
1997	38.1 °C9 September 1997	8.4 °C9 June 1997	24.0 °C	1,423 mm	178
1996	35.3 °C30 January 1996	7.4 °C12 July 1996	23.7 °C	1,563 mm	167
1995	37.6 °C4 October 1995	12.7 °C23 July 1995	24.2 °C	1,451 mm	201
1994	40.0 °C13 October 1994	3.6 °C26 June 1994	24.5 °C	1,213 mm	209
1993	37.3 °C16 November 1993	6.3 °C1 August 1993	23.6 °C	1,375 mm	144
1992	34.4 °C30 August 1992	9.9 °C19 July 1992	23.4 °C	1,470 mm	97
1991	35.6 °C17 September 1991	7.7 °C24 July 1991	23.9 °C	1,545 mm	154
1990	37.2 °C11 October 1990	6.1 °C22 June 1990	24.0 °C	1,223 mm	184
1989	37.0 °C25 October 1989	10.4 °C12 July 1989	23.3 °C	1,642 mm	136
1988	39.4 °C27 September 1988	4.8 °C5 June 1988	24.2 °C	1,058 mm	191
1987	37.6 °C18 October 1987	6.0 °C8 August 1987	23.9 °C	1,212 mm	179
1986	38.1 °C7 October 1986	9.1 °C1 June 1986	23.8 °C	1,254 mm	138
1985	40.4 °C17 November 1985	5.5 °C7 July 1985	23.9 °C	978 mm	171
1984	37.3 °C5 November 1984	8.9 °C27 August 1984	24.5 °C	1,057 mm	205
1983	34.4 °C30 August 1983	9.7 °C4 August 1983	23.4 °C	1,725 mm	108
1982	35.4 °C12 September 1982	11.6 °C31 July 1982	23.4 °C	1,583 mm	112
1981	37.5 °C28 September 1981	1.6 °C21 July 1981	23.6 °C	978 mm	158
1980	38.1 °C27 October 1980	7.2 °C27 June 1980	23.8 °C	1,261 mm	134
1979	36.5 °C6 October 1979	3.7 °C1 June 1979	23.3 °C	1,178 mm	134
1978	35.3 °C1 February 1978	4.5 °C15 August 1978	23.4 °C	1,161 mm	126
1977	37.1 °C24 October 1977	6.2 °C18 May 1977	24.2 °C	1,160 mm	164
1976	34.0 °C14 January 1976	9.8 °C4 July 1976	22.5 °C	1,587 mm	92
1975	36.4 °C9 September 1975	1.3 °C18 July 1975	23.6 °C	1,123 mm	152
1974	37.9 °C20 November 1974	9.3 °C29 May 1974	23.3 °C	1,381 mm	133
1973	36.8 °C18 September 1973	6.7 °C29 July 1973	24.0 °C	1,035 mm	174
1972	35.5 °C26 October 1972	4.8 °C9 July 1972	23.2 °C	1,328 mm	111
1971	36.4 °C26 January 1971	6.5 °C6 July 1971	23.4 °C	993 mm	135
1970	36.0 °C8 December 1970	10.5 °C9 August 1970	23.7 °C	805 mm	162
1969	37.0 °C18 September 1969	4.1 °C11 July 1969	24.3 °C	646 mm	212
1968	38.0 °C6 November 1968	6.0 °C18 May 1968	23.2 °C	799 mm	136
1967	37.8 °C6 September 1967	8.0 °C10 June 1967	23.8 °C	1,160 mm	151
1966	36.9 °C13 September 1966	5.1 °C6 August 1966	23.1 °C	1,198 mm	97
1965	35.9 °C10 September 1965	4.0 °C21 August 1965	22.5 °C	1,459 mm	59
1964	34.9 °C1 September 1964	6.5 °C28 July 1964	22.4 °C	1,336 mm	54
1963	41.0 °C17 October 1963	6.8 °C21 June 1963	24.2 °C	964 mm	143
1962	36.8 °C20 September 1962	4.5 °C18 July 1962	22.2 °C	1,458 mm	61
1961	40.2 °C27 September 1961	11.2 °C4 August 1961	24.0 °C	1,162 mm	133
1960	40.2 °C24 September 1960	7.5 °C25 June 1960	22.8 °C	1,450 mm	70
1959	36.7 °C3 October 1959	7.8 °C9 June 1959	23.6 °C	1,308 mm	116
1958	37.0 °C8 December 1958	11.1 °C17 September 1958	23.2 °C	1,225 mm	120
1957	38.6 °C18 October 1957	5.6 °C21 July 1957	22.9 °C	1,352 mm	74
1956	36.2 °C8 October 1956	8.2 °C5 June 1956	22.3 °C	1,140 mm	83
1955	38.9 °C1 October 1955	7.9 °C1 August 1955	23.2 °C	1,161 mm	100
1954	36.9 °C11 September 1954	8.2 °C21 June 1954	23.3 °C	1,306 mm	95
1953	34.4 °C20 August 1953	9.2 °C25 July 1953	23.2 °C	1,419 mm	56
1952	38.0 °C30 September 1952	8.2 °C16 July 1952	22.8 °C	1,445 mm	58
1951	36.7 °C26 September 1951	10.8 °C30 June 1951	23.2 °C	1,167 mm	85
1950	36.6 °C17 September 1950	10.1 °C12 July 1950	22.7 °C	1,589 mm	64
1949	36.3 °C12 October 1949	12.1 °C19 May 1949	22.7 °C	1,695 mm	50
1948	37.8 °C26 September 1948	9.8 °C15 June 1948	23.3 °C	1,234 mm	86
1947	33.2 °C21 January 1947	9.6 °C3 August 1947	22.3 °C	1,696 mm	33
1946	33.0 °C13 September 1946	8.9 °C18 July 1946	22.8 °C	1,977 mm	56
1945	34.8 °C30 August 1945	12.3 °C10 July 1945	22.7 °C	2,083 mm	39
1944	37.9 °C6 September 1944	12.1 °C15 June 1944	23.4 °C	1,405 mm	62
1943	34.4 °C17 January 1943	10.1 °C27 June 1943	22.6 °C	881 mm	91
1942	39.9 °C26 November 1942	6.6 °C18 June 1942	23.0 °C	840 mm	145
1941	33.5 °C26 October 1941	8.4 °C30 May 1941	22.6 °C	1,891 mm	29
1940	34.9 °C23 August 1940	8.9 °C17 August 1940	22.8 °C	1,735 mm	45

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

30.3 °C

+1.3 °C

Hot days (≥ 30 °C)

208 d/yr

+62

Frost days (< 0 °C)

0 d/yr

Annual rainfall

840 mm

-396 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.2 °C	+2.4 °C	181 mm	-33 mm
Feb	31.6 °C	+1.7 °C	134 mm	-48 mm
Mar	32.7 °C	+3.0 °C	56 mm	-84 mm
Apr	29.1 °C	+0.2 °C	106 mm	+42 mm
May	27.8 °C	+1.1 °C	17 mm	-30 mm
Jun	26.4 °C	+0.3 °C	38 mm	+7 mm
Jul	26.8 °C	+0.1 °C	0 mm	-22 mm
Aug	29.6 °C	+0.3 °C	3 mm	-19 mm
Sep	33.4 °C	+2.6 °C	11 mm	-41 mm
Oct	31.2 °C	+0.5 °C	64 mm	-48 mm
Nov	31.2 °C	+1.0 °C	92 mm	-56 mm
Dec	32.0 °C	+2.3 °C	139 mm	-63 mm

The year's extremes

Hottest day

38.5 °C

6 Oct 2025

Coldest day

5.2 °C

25 Jun 2025

Wettest day

55.2 mm

31 Jan 2025

Windiest day

32.4 km/h

9 Dec 2025

Strongest gust

80.3 km/h

22 Sep 2025

Hottest feels-like

41.7 °C

26 Dec 2025

Coldest feels-like

2.6 °C

25 Jun 2025

Sunniest day

13.0 h

1 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 Birigui?

Birigui has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.7 °C and it receives 1,236 mm of precipitation per year.

What is the hottest day ever recorded in Birigui?

The hottest day measured in Birigui between 1940 and 2025 was 7 October 2020, reaching 42.1 °C.

What is the coldest day in Birigui?

The coldest day measured in Birigui between 1940 and 2025 was 18 July 1975, at 1.3 °C.

Does it snow in Birigui?

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

Has the climate of Birigui warmed?

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

What is the wettest day in Birigui?

The wettest day measured in Birigui between 1940 and 2025 was 6 January 2007, with 121 mm of rain in 24 hours.

What was the windiest day in Birigui?

The windiest day measured in Birigui between 1940 and 2025 was 15 September 1956, with winds reaching 40.0 km/h.

What is the warmest month in Birigui?

The warmest month in Birigui is February (25.6 °C on average); the coldest is June (20.2 °C).

How much does it rain in Birigui?

Birigui receives on average 1,236 mm of precipitation per year, spread over about 140 rainy days.

Is it sunny in Birigui?

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

Are there tropical nights in Birigui?

Yes: Birigui has on average 186 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Birigui?

In Birigui, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 13 November 2015, and the lowest was -2.8 °C on 18 July 1975.

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