Bertioga climate — normals and trends

Q: What is the climate of Bertioga?

Bertioga has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.0 °C and it receives 2,556 mm of precipitation per year.

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

The hottest day measured in Bertioga between 1940 and 2025 was 28 September 1961, reaching 36.9 °C.

Q: What is the coldest day in Bertioga?

The coldest day measured in Bertioga between 1940 and 2025 was 30 July 2021, at 3.5 °C.

Q: Does it snow in Bertioga?

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

Q: Has the climate of Bertioga warmed?

Yes: Bertioga warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Bertioga?

The wettest day measured in Bertioga between 1940 and 2025 was 29 March 2000, with 321 mm of rain in 24 hours.

Q: What was the windiest day in Bertioga?

The windiest day measured in Bertioga between 1940 and 2025 was 10 August 2022, with winds reaching 37.1 km/h.

Q: What is the warmest month in Bertioga?

The warmest month in Bertioga is February (23.1 °C on average); the coldest is July (16.8 °C).

Q: How much does it rain in Bertioga?

Bertioga receives on average 2,556 mm of precipitation per year, spread over about 224 rainy days.

Q: Is it sunny in Bertioga?

Bertioga gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Bertioga (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.0 °C and it receives 2,556 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 (23.1 °C on average) and the coldest is July (16.8 °C). Rainfall peaks in January.

Bertioga averages 0 frost days, 25 hot days (≥ 30 °C) and 224 rainy days per year.

Bertioga has warmed by +1.7 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.9 °C (on 28 September 1961) and the coldest 3.5 °C (on 30 July 2021).

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

BertiogaSão Paulo

coords: -23.85°, -46.14°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthFebruaryColdest monthJulyWettest monthJanuaryDriest monthJune

Mean daily temperature

20.0°C

Average daily high

24.2°C

Average daily low

16.8°C

Annual rainfall

2,556mm

Sunshine / day

9.1h

Mean relative humidity

85%

Average peak wind

11.8km/h

Seasonal range

6.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

25 d/yr

Rainy days (≥ 1 mm)

224 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.7 °C

Average feels-like low

17.9 °C

Average peak gust

33.5 km/h

Tropical nights (≥ 20 °C)

68 d/yr

Solar radiation

16.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.54 · 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

28 September 1961

Coldest day

3.5 °C

30 July 2021

Wettest day

321 mm

29 March 2000

Windiest day

37.1 km/h

10 August 2022

Strongest gust

116.6 km/h

17 December 1947

Hottest feels-like

42.1 °C

17 February 1994

Coldest feels-like

0.2 °C

21 July 1981

Sunniest day

13.5 h

12 December 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.1 °C17 February 2025	6.9 °C25 June 2025	20.2 °C	2,028 mm	40
2024	35.6 °C2 October 2024	5.0 °C27 August 2024	21.0 °C	2,445 mm	62
2023	36.3 °C12 November 2023	9.1 °C16 May 2023	21.0 °C	2,572 mm	55
2022	34.2 °C27 October 2022	7.3 °C13 June 2022	19.8 °C	2,723 mm	27
2021	33.9 °C29 November 2021	3.5 °C30 July 2021	19.8 °C	2,311 mm	27
2020	36.8 °C2 October 2020	8.7 °C27 May 2020	20.2 °C	2,233 mm	31
2019	35.9 °C12 September 2019	7.5 °C7 July 2019	21.1 °C	2,478 mm	50
2018	33.0 °C18 January 2018	9.8 °C21 May 2018	20.7 °C	2,217 mm	32
2017	33.6 °C19 October 2017	8.8 °C11 June 2017	20.7 °C	2,116 mm	38
2016	34.8 °C31 January 2016	4.7 °C13 June 2016	20.6 °C	2,416 mm	55
2015	35.8 °C15 October 2015	11.3 °C27 June 2015	21.5 °C	3,071 mm	49
2014	34.9 °C28 December 2014	9.8 °C3 June 2014	20.9 °C	1,978 mm	54
2013	35.1 °C11 November 2013	7.4 °C24 July 2013	20.2 °C	2,393 mm	39
2012	35.0 °C19 September 2012	7.6 °C14 July 2012	20.6 °C	2,348 mm	34
2011	33.4 °C28 January 2011	5.6 °C28 June 2011	19.9 °C	2,565 mm	39
2010	34.2 °C15 February 2010	9.2 °C7 June 2010	20.4 °C	2,666 mm	52
2009	34.1 °C19 November 2009	8.1 °C4 June 2009	20.6 °C	2,867 mm	27
2008	32.3 °C11 February 2008	9.8 °C17 June 2008	20.1 °C	2,507 mm	23
2007	34.5 °C23 September 2007	6.5 °C30 July 2007	20.5 °C	1,841 mm	27
2006	34.6 °C15 September 2006	6.9 °C6 September 2006	20.3 °C	2,370 mm	25
2005	34.1 °C29 August 2005	10.3 °C10 July 2005	20.6 °C	2,317 mm	26
2004	32.9 °C22 September 2004	8.4 °C8 August 2004	19.8 °C	2,607 mm	17
2003	34.2 °C11 February 2003	8.0 °C18 August 2003	20.5 °C	2,296 mm	38
2002	33.8 °C7 October 2002	6.7 °C2 September 2002	21.0 °C	2,137 mm	39
2001	33.6 °C8 January 2001	5.9 °C29 July 2001	20.6 °C	2,202 mm	36
2000	32.6 °C11 January 2000	5.3 °C18 July 2000	20.1 °C	2,768 mm	28
1999	33.8 °C7 September 1999	7.7 °C15 August 1999	19.8 °C	2,410 mm	25
1998	34.7 °C31 January 1998	9.3 °C12 July 1998	20.5 °C	2,522 mm	35
1997	34.4 °C9 September 1997	8.6 °C11 August 1997	20.5 °C	2,356 mm	36
1996	33.5 °C27 January 1996	7.8 °C2 August 1996	19.9 °C	2,798 mm	36
1995	34.3 °C23 February 1995	10.3 °C20 May 1995	20.5 °C	2,825 mm	47
1994	33.8 °C17 February 1994	4.7 °C26 June 1994	20.7 °C	2,672 mm	37
1993	33.2 °C1 November 1993	7.0 °C1 August 1993	20.5 °C	2,471 mm	31
1992	32.5 °C22 February 1992	8.4 °C25 August 1992	20.2 °C	2,525 mm	20
1991	33.8 °C16 October 1991	7.3 °C2 August 1991	20.2 °C	2,500 mm	18
1990	32.7 °C25 January 1990	5.8 °C23 May 1990	20.3 °C	2,312 mm	34
1989	32.7 °C21 February 1989	8.2 °C10 July 1989	19.7 °C	2,651 mm	21
1988	33.7 °C19 January 1988	4.8 °C6 June 1988	19.8 °C	2,812 mm	32
1987	33.3 °C7 January 1987	5.8 °C9 August 1987	20.3 °C	2,453 mm	44
1986	33.1 °C1 February 1986	9.3 °C13 July 1986	20.6 °C	2,927 mm	31
1985	32.6 °C27 August 1985	6.6 °C8 June 1985	19.9 °C	2,271 mm	18
1984	34.4 °C5 February 1984	5.8 °C27 August 1984	20.4 °C	2,110 mm	26
1983	33.3 °C17 February 1983	6.0 °C6 August 1983	20.3 °C	3,264 mm	25
1982	32.7 °C3 November 1982	9.8 °C31 July 1982	20.1 °C	2,623 mm	12
1981	33.1 °C2 February 1981	5.6 °C21 July 1981	19.8 °C	2,569 mm	20
1980	32.5 °C27 October 1980	6.7 °C23 September 1980	20.3 °C	2,539 mm	26
1979	32.8 °C7 February 1979	4.2 °C1 June 1979	19.5 °C	2,394 mm	18
1978	34.0 °C2 February 1978	7.3 °C1 June 1978	19.8 °C	2,211 mm	27
1977	33.3 °C9 February 1977	9.5 °C17 May 1977	20.7 °C	2,447 mm	23
1976	33.2 °C19 January 1976	7.5 °C16 August 1976	19.7 °C	3,319 mm	18
1975	32.5 °C8 December 1975	5.2 °C18 July 1975	19.7 °C	2,455 mm	27
1974	33.5 °C19 November 1974	6.9 °C17 August 1974	19.7 °C	2,560 mm	19
1973	34.3 °C10 February 1973	8.1 °C20 June 1973	20.2 °C	2,561 mm	31
1972	34.1 °C26 October 1972	7.9 °C9 July 1972	20.2 °C	2,549 mm	17
1971	33.7 °C22 September 1971	8.3 °C7 July 1971	19.5 °C	2,257 mm	19
1970	32.6 °C28 December 1970	8.3 °C2 September 1970	19.7 °C	2,137 mm	17
1969	33.0 °C5 January 1969	5.7 °C11 July 1969	19.8 °C	1,847 mm	30
1968	34.4 °C15 December 1968	5.9 °C18 May 1968	18.8 °C	1,861 mm	17
1967	32.4 °C2 December 1967	8.2 °C9 June 1967	20.0 °C	2,469 mm	14
1966	31.7 °C21 January 1966	7.1 °C7 August 1966	19.4 °C	3,483 mm	20
1965	33.0 °C10 September 1965	5.3 °C12 July 1965	19.3 °C	3,072 mm	12
1964	31.3 °C1 September 1964	7.1 °C29 July 1964	18.6 °C	2,501 mm	1
1963	32.9 °C1 September 1963	8.6 °C22 June 1963	19.7 °C	2,225 mm	24
1962	31.7 °C8 September 1962	7.2 °C25 August 1962	18.3 °C	3,183 mm	3
1961	36.9 °C28 September 1961	10.1 °C16 June 1961	20.2 °C	2,527 mm	26
1960	31.7 °C25 September 1960	8.4 °C10 July 1960	18.9 °C	2,821 mm	6
1959	33.0 °C7 September 1959	9.6 °C8 June 1959	19.8 °C	2,387 mm	14
1958	33.6 °C16 November 1958	8.2 °C23 June 1958	19.6 °C	2,709 mm	23
1957	31.9 °C10 October 1957	6.9 °C22 July 1957	19.2 °C	2,756 mm	6
1956	32.7 °C7 January 1956	8.6 °C26 August 1956	18.5 °C	2,273 mm	15
1955	31.3 °C1 September 1955	7.8 °C31 July 1955	18.9 °C	2,246 mm	11
1954	32.6 °C18 September 1954	9.0 °C21 June 1954	19.6 °C	2,642 mm	13
1953	32.4 °C21 August 1953	10.3 °C13 July 1953	19.6 °C	2,682 mm	11
1952	32.6 °C6 October 1952	7.6 °C16 July 1952	19.2 °C	2,261 mm	5
1951	32.8 °C26 September 1951	9.4 °C4 June 1951	19.1 °C	2,463 mm	19
1950	32.3 °C17 September 1950	9.0 °C14 July 1950	19.2 °C	2,976 mm	13
1949	31.4 °C17 March 1949	10.1 °C28 August 1949	18.9 °C	3,015 mm	5
1948	34.2 °C26 September 1948	9.6 °C30 August 1948	19.3 °C	2,393 mm	14
1947	31.9 °C4 January 1947	7.7 °C2 September 1947	18.8 °C	3,037 mm	9
1946	31.2 °C17 February 1946	9.4 °C4 June 1946	19.9 °C	3,518 mm	12
1945	31.9 °C28 September 1945	10.1 °C12 July 1945	19.6 °C	3,710 mm	5
1944	33.5 °C7 September 1944	10.2 °C15 July 1944	19.6 °C	2,673 mm	7
1943	30.9 °C24 January 1943	7.7 °C8 August 1943	18.6 °C	2,140 mm	7
1942	36.3 °C6 October 1942	6.5 °C19 June 1942	18.8 °C	2,195 mm	8
1941	31.2 °C12 January 1941	8.0 °C4 September 1941	19.7 °C	3,561 mm	7
1940	31.9 °C12 September 1940	9.5 °C19 August 1940	19.9 °C	3,198 mm	3

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

24.5 °C

+0.3 °C

Hot days (≥ 30 °C)

40 d/yr

+15

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2028 mm

-528 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.5 °C	+0.5 °C	378 mm	-11 mm
Feb	30.0 °C	+2.8 °C	237 mm	-125 mm
Mar	26.7 °C	+0.5 °C	201 mm	-133 mm
Apr	24.3 °C	-0.3 °C	326 mm	+156 mm
May	23.8 °C	+1.1 °C	67 mm	-53 mm
Jun	22.0 °C	+0.1 °C	107 mm	+19 mm
Jul	19.8 °C	-1.8 °C	36 mm	-53 mm
Aug	21.7 °C	-0.7 °C	44 mm	-45 mm
Sep	23.3 °C	+0.3 °C	54 mm	-92 mm
Oct	23.1 °C	-0.6 °C	175 mm	-31 mm
Nov	24.4 °C	0.0 °C	149 mm	-89 mm
Dec	28.1 °C	+2.4 °C	252 mm	-73 mm

The year's extremes

Hottest day

35.1 °C

17 Feb 2025

Coldest day

6.9 °C

25 Jun 2025

Wettest day

64.6 mm

30 Jan 2025

Windiest day

36.9 km/h

10 Dec 2025

Strongest gust

91.1 km/h

10 Dec 2025

Hottest feels-like

39.6 °C

26 Dec 2025

Coldest feels-like

4.8 °C

25 Jun 2025

Sunniest day

13.5 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 Bertioga?

Bertioga has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.0 °C and it receives 2,556 mm of precipitation per year.

What is the hottest day ever recorded in Bertioga?

The hottest day measured in Bertioga between 1940 and 2025 was 28 September 1961, reaching 36.9 °C.

What is the coldest day in Bertioga?

The coldest day measured in Bertioga between 1940 and 2025 was 30 July 2021, at 3.5 °C.

Does it snow in Bertioga?

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

Has the climate of Bertioga warmed?

Yes: Bertioga warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Bertioga?

The wettest day measured in Bertioga between 1940 and 2025 was 29 March 2000, with 321 mm of rain in 24 hours.

What was the windiest day in Bertioga?

The windiest day measured in Bertioga between 1940 and 2025 was 10 August 2022, with winds reaching 37.1 km/h.

What is the warmest month in Bertioga?

The warmest month in Bertioga is February (23.1 °C on average); the coldest is July (16.8 °C).

How much does it rain in Bertioga?

Bertioga receives on average 2,556 mm of precipitation per year, spread over about 224 rainy days.

Is it sunny in Bertioga?

Bertioga gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Are there tropical nights in Bertioga?

Yes: Bertioga has on average 68 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Bertioga?

In Bertioga, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 17 February 1994, and the lowest was 0.2 °C on 21 July 1981.

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