Botucatu climate — normals and trends

Q: What is the climate of Botucatu?

Botucatu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.0 °C and it receives 1,665 mm of precipitation per year.

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

The hottest day measured in Botucatu between 1940 and 2025 was 6 October 2020, reaching 38.4 °C.

Q: What is the coldest day in Botucatu?

The coldest day measured in Botucatu between 1940 and 2025 was 1 June 1979, at 0.2 °C.

Q: Does it snow in Botucatu?

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

Q: Has the climate of Botucatu warmed?

Yes: Botucatu warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Botucatu?

The wettest day measured in Botucatu between 1940 and 2025 was 11 November 2007, with 111 mm of rain in 24 hours.

Q: What was the windiest day in Botucatu?

The windiest day measured in Botucatu between 1940 and 2025 was 28 November 1950, with winds reaching 37.7 km/h.

Q: What is the warmest month in Botucatu?

The warmest month in Botucatu is January (22.7 °C on average); the coldest is July (16.4 °C).

Q: How much does it rain in Botucatu?

Botucatu receives on average 1,665 mm of precipitation per year, spread over about 162 rainy days.

Q: Is it sunny in Botucatu?

Botucatu gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.

Botucatu (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.0 °C and it receives 1,665 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 (22.7 °C on average) and the coldest is July (16.4 °C). Rainfall peaks in January.

Botucatu averages 0 frost days, 38 hot days (≥ 30 °C) and 162 rainy days per year.

Botucatu has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.4 °C (on 6 October 2020) and the coldest 0.2 °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

BotucatuSão Paulo

coords: -22.89°, -48.45°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthJanuaryDriest monthAugust

Mean daily temperature

20.0°C

Average daily high

25.4°C

Average daily low

15.7°C

Annual rainfall

1,665mm

Sunshine / day

9.6h

Mean relative humidity

78%

Average peak wind

14.6km/h

Seasonal range

6.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

38 d/yr

Rainy days (≥ 1 mm)

162 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.1 °C

Average feels-like low

15.9 °C

Average peak gust

33.0 km/h

Tropical nights (≥ 20 °C)

31 d/yr

Solar radiation

17.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °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

38.4 °C

6 October 2020

Coldest day

0.2 °C

1 June 1979

Wettest day

111 mm

11 November 2007

Windiest day

37.7 km/h

28 November 1950

Strongest gust

90.4 km/h

22 September 2025

Hottest feels-like

40.6 °C

29 October 2007

Coldest feels-like

-3.4 °C

18 July 1975

Sunniest day

13.4 h

16 December 2014

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.1 °C30 September 2025	1.6 °C25 June 2025	20.4 °C	1,217 mm	72
2024	36.0 °C26 September 2024	4.7 °C27 August 2024	21.6 °C	1,265 mm	114
2023	36.4 °C24 September 2023	6.1 °C15 July 2023	20.9 °C	1,556 mm	77
2022	32.8 °C14 February 2022	4.7 °C13 June 2022	20.0 °C	1,592 mm	41
2021	35.3 °C20 September 2021	1.1 °C30 July 2021	20.4 °C	1,107 mm	68
2020	38.4 °C6 October 2020	4.6 °C27 May 2020	20.6 °C	1,320 mm	74
2019	36.2 °C27 October 2019	3.5 °C6 July 2019	21.4 °C	1,277 mm	88
2018	33.9 °C9 February 2018	5.6 °C21 May 2018	20.9 °C	1,226 mm	61
2017	35.2 °C12 October 2017	5.9 °C19 July 2017	20.9 °C	1,513 mm	85
2016	35.4 °C19 October 2016	4.2 °C13 June 2016	21.0 °C	1,646 mm	93
2015	36.0 °C24 September 2015	8.1 °C16 June 2015	21.5 °C	1,976 mm	74
2014	36.7 °C16 October 2014	6.0 °C1 July 2014	21.4 °C	1,176 mm	97
2013	34.2 °C27 December 2013	4.7 °C24 July 2013	20.3 °C	1,563 mm	54
2012	35.9 °C31 October 2012	5.2 °C14 July 2012	20.9 °C	1,911 mm	84
2011	35.4 °C30 September 2011	3.1 °C28 June 2011	20.4 °C	1,559 mm	68
2010	33.4 °C12 March 2010	6.4 °C8 June 2010	20.5 °C	1,561 mm	68
2009	33.9 °C6 March 2009	3.7 °C4 June 2009	20.5 °C	1,950 mm	48
2008	34.5 °C15 October 2008	3.8 °C17 June 2008	20.2 °C	1,562 mm	31
2007	34.6 °C29 October 2007	5.5 °C26 July 2007	20.9 °C	1,660 mm	66
2006	34.3 °C15 September 2006	4.5 °C6 September 2006	20.6 °C	1,456 mm	43
2005	34.7 °C13 October 2005	7.8 °C26 July 2005	20.7 °C	1,448 mm	39
2004	35.2 °C26 September 2004	5.8 °C14 June 2004	19.9 °C	1,563 mm	36
2003	33.5 °C16 December 2003	6.2 °C11 August 2003	20.4 °C	1,536 mm	49
2002	35.5 °C11 October 2002	4.1 °C3 September 2002	21.3 °C	1,368 mm	75
2001	34.3 °C7 November 2001	3.1 °C21 June 2001	20.5 °C	1,659 mm	47
2000	34.4 °C23 October 2000	1.8 °C17 July 2000	20.1 °C	1,743 mm	38
1999	35.0 °C21 January 1999	5.1 °C18 April 1999	20.0 °C	1,720 mm	55
1998	33.2 °C3 December 1998	8.4 °C17 May 1998	20.3 °C	1,841 mm	47
1997	34.2 °C9 September 1997	4.9 °C9 June 1997	20.4 °C	2,083 mm	51
1996	33.2 °C30 January 1996	5.3 °C12 July 1996	20.0 °C	1,991 mm	40
1995	33.8 °C11 September 1995	6.9 °C5 June 1995	20.4 °C	2,064 mm	50
1994	35.8 °C13 October 1994	0.9 °C26 June 1994	20.6 °C	1,692 mm	54
1993	33.6 °C2 January 1993	2.9 °C1 August 1993	20.2 °C	1,676 mm	47
1992	31.4 °C15 November 1992	6.8 °C20 July 1992	19.9 °C	1,603 mm	18
1991	33.2 °C16 October 1991	2.9 °C24 July 1991	20.0 °C	1,762 mm	19
1990	33.8 °C11 October 1990	1.2 °C29 July 1990	20.1 °C	1,630 mm	58
1989	32.3 °C25 October 1989	5.9 °C20 July 1989	19.5 °C	1,929 mm	16
1988	35.1 °C27 September 1988	1.9 °C6 June 1988	19.9 °C	1,699 mm	48
1987	32.8 °C15 September 1987	2.6 °C8 August 1987	20.1 °C	1,692 mm	46
1986	33.4 °C1 November 1986	6.3 °C2 June 1986	20.3 °C	1,803 mm	31
1985	36.8 °C17 November 1985	3.8 °C8 June 1985	20.2 °C	1,386 mm	52
1984	33.5 °C15 January 1984	3.4 °C27 August 1984	20.7 °C	1,407 mm	58
1983	31.6 °C22 February 1983	5.2 °C6 August 1983	20.1 °C	2,560 mm	16
1982	31.6 °C3 November 1982	7.2 °C31 July 1982	20.0 °C	2,002 mm	18
1981	32.2 °C19 September 1981	1.3 °C20 June 1981	19.7 °C	1,596 mm	20
1980	32.4 °C20 October 1980	3.9 °C28 June 1980	20.0 °C	1,706 mm	23
1979	32.7 °C7 December 1979	0.2 °C1 June 1979	19.4 °C	1,400 mm	25
1978	33.1 °C30 January 1978	2.7 °C15 August 1978	19.8 °C	1,374 mm	38
1977	33.1 °C11 March 1977	6.1 °C17 May 1977	20.7 °C	1,565 mm	57
1976	33.0 °C19 January 1976	5.5 °C16 August 1976	19.3 °C	2,269 mm	17
1975	32.9 °C9 September 1975	0.8 °C18 July 1975	20.0 °C	1,469 mm	40
1974	33.4 °C19 November 1974	3.9 °C17 August 1974	19.6 °C	1,805 mm	29
1973	33.6 °C22 February 1973	3.7 °C20 June 1973	20.1 °C	1,710 mm	37
1972	33.1 °C26 October 1972	1.2 °C9 July 1972	19.9 °C	1,958 mm	21
1971	33.8 °C26 January 1971	4.9 °C7 July 1971	19.7 °C	1,271 mm	40
1970	32.6 °C8 December 1970	6.0 °C3 July 1970	19.8 °C	1,456 mm	21
1969	32.9 °C11 September 1969	2.1 °C11 July 1969	20.2 °C	1,065 mm	44
1968	34.9 °C7 October 1968	2.7 °C18 May 1968	19.2 °C	1,124 mm	40
1967	32.6 °C9 October 1967	3.7 °C9 June 1967	20.1 °C	1,483 mm	28
1966	32.2 °C15 September 1966	2.7 °C6 August 1966	19.2 °C	1,722 mm	13
1965	31.7 °C10 September 1965	2.4 °C12 July 1965	19.1 °C	1,950 mm	6
1964	29.7 °C14 March 1964	5.6 °C6 June 1964	18.6 °C	1,720 mm	0
1963	36.6 °C17 October 1963	4.3 °C21 June 1963	20.3 °C	1,399 mm	55
1962	31.9 °C20 September 1962	3.6 °C7 July 1962	18.3 °C	1,781 mm	6
1961	36.9 °C28 September 1961	8.8 °C5 August 1961	20.5 °C	1,494 mm	45
1960	34.1 °C24 September 1960	5.3 °C15 July 1960	18.9 °C	1,901 mm	8
1959	32.8 °C7 September 1959	6.0 °C9 June 1959	20.0 °C	1,540 mm	25
1958	32.2 °C8 January 1958	5.7 °C23 June 1958	19.5 °C	1,633 mm	22
1957	33.0 °C19 October 1957	3.2 °C21 July 1957	19.1 °C	1,837 mm	6
1956	32.4 °C8 October 1956	5.0 °C22 July 1956	18.7 °C	1,549 mm	24
1955	34.9 °C1 October 1955	4.8 °C1 August 1955	19.2 °C	1,561 mm	19
1954	33.4 °C19 September 1954	4.9 °C21 June 1954	19.6 °C	1,584 mm	12
1953	31.7 °C21 August 1953	8.4 °C13 July 1953	19.6 °C	1,623 mm	2
1952	33.2 °C30 September 1952	5.0 °C16 July 1952	19.3 °C	1,405 mm	8
1951	32.4 °C26 September 1951	7.7 °C3 June 1951	19.3 °C	1,471 mm	18
1950	32.5 °C17 September 1950	6.0 °C12 July 1950	19.1 °C	1,905 mm	9
1949	30.0 °C18 March 1949	7.5 °C16 August 1949	18.8 °C	2,360 mm	2
1948	35.4 °C26 September 1948	6.5 °C15 June 1948	19.5 °C	1,550 mm	17
1947	31.8 °C8 January 1947	4.5 °C8 July 1947	18.7 °C	2,220 mm	8
1946	29.7 °C18 October 1946	5.3 °C4 June 1946	19.4 °C	2,608 mm	0
1945	30.6 °C28 September 1945	7.9 °C25 June 1945	19.2 °C	2,559 mm	1
1944	34.3 °C7 September 1944	7.1 °C15 July 1944	19.9 °C	1,658 mm	21
1943	31.3 °C17 January 1943	7.5 °C23 August 1943	18.7 °C	1,254 mm	7
1942	36.9 °C27 November 1942	4.3 °C19 June 1942	19.3 °C	1,191 mm	36
1941	30.0 °C9 January 1941	6.5 °C5 September 1941	19.3 °C	2,461 mm	1
1940	31.2 °C23 August 1940	7.5 °C19 August 1940	19.6 °C	2,032 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

26.2 °C

+0.8 °C

Hot days (≥ 30 °C)

72 d/yr

+34

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1217 mm

-448 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.0 °C	+1.6 °C	244 mm	-38 mm
Feb	29.9 °C	+2.4 °C	179 mm	-57 mm
Mar	29.3 °C	+2.3 °C	85 mm	-95 mm
Apr	25.6 °C	+0.1 °C	124 mm	+44 mm
May	24.3 °C	+1.3 °C	17 mm	-58 mm
Jun	22.1 °C	+0.1 °C	56 mm	-3 mm
Jul	21.6 °C	-0.5 °C	5 mm	-43 mm
Aug	24.6 °C	+0.3 °C	4 mm	-40 mm
Sep	27.6 °C	+1.8 °C	16 mm	-72 mm
Oct	26.1 °C	-0.1 °C	126 mm	-28 mm
Nov	26.4 °C	-0.2 °C	139 mm	-34 mm
Dec	28.8 °C	+1.9 °C	223 mm	-24 mm

The year's extremes

Hottest day

34.1 °C

30 Sep 2025

Coldest day

1.6 °C

25 Jun 2025

Wettest day

64.1 mm

9 Dec 2025

Windiest day

34.7 km/h

10 Dec 2025

Strongest gust

90.4 km/h

22 Sep 2025

Hottest feels-like

39.2 °C

26 Dec 2025

Coldest feels-like

-2.3 °C

25 Jun 2025

Sunniest day

13.4 h

11 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 Botucatu?

Botucatu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.0 °C and it receives 1,665 mm of precipitation per year.

What is the hottest day ever recorded in Botucatu?

The hottest day measured in Botucatu between 1940 and 2025 was 6 October 2020, reaching 38.4 °C.

What is the coldest day in Botucatu?

The coldest day measured in Botucatu between 1940 and 2025 was 1 June 1979, at 0.2 °C.

Does it snow in Botucatu?

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

Has the climate of Botucatu warmed?

Yes: Botucatu warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Botucatu?

The wettest day measured in Botucatu between 1940 and 2025 was 11 November 2007, with 111 mm of rain in 24 hours.

What was the windiest day in Botucatu?

The windiest day measured in Botucatu between 1940 and 2025 was 28 November 1950, with winds reaching 37.7 km/h.

What is the warmest month in Botucatu?

The warmest month in Botucatu is January (22.7 °C on average); the coldest is July (16.4 °C).

How much does it rain in Botucatu?

Botucatu receives on average 1,665 mm of precipitation per year, spread over about 162 rainy days.

Is it sunny in Botucatu?

Botucatu gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.

Are there tropical nights in Botucatu?

Yes: Botucatu has on average 31 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Botucatu?

In Botucatu, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 29 October 2007, and the lowest was -3.4 °C on 18 July 1975.

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