Araras climate — normals and trends

Q: What is the climate of Araras?

Araras has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.2 °C and it receives 1,573 mm of precipitation per year.

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

The hottest day measured in Araras between 1940 and 2025 was 7 October 2020, reaching 38.8 °C.

Q: What is the coldest day in Araras?

The coldest day measured in Araras between 1940 and 2025 was 21 July 1981, at 1.3 °C.

Q: Does it snow in Araras?

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

Q: Has the climate of Araras warmed?

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

Q: What is the wettest day in Araras?

The wettest day measured in Araras between 1940 and 2025 was 23 January 1992, with 146 mm of rain in 24 hours.

Q: What was the windiest day in Araras?

The windiest day measured in Araras between 1940 and 2025 was 7 June 2011, with winds reaching 32.3 km/h.

Q: What is the warmest month in Araras?

The warmest month in Araras is February (23.6 °C on average); the coldest is July (17.6 °C).

Q: How much does it rain in Araras?

Araras receives on average 1,573 mm of precipitation per year, spread over about 161 rainy days.

Q: Is it sunny in Araras?

Araras gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Araras (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 21.2 °C and it receives 1,573 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 (23.6 °C on average) and the coldest is July (17.6 °C). Rainfall peaks in January.

Araras averages 0 frost days, 65 hot days (≥ 30 °C) and 161 rainy days per year.

Araras 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 38.8 °C (on 7 October 2020) and the coldest 1.3 °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

ArarasSão Paulo

coords: -22.36°, -47.38°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthFebruaryColdest monthJulyWettest monthJanuaryDriest monthAugust

Mean daily temperature

21.2°C

Average daily high

26.8°C

Average daily low

16.5°C

Annual rainfall

1,573mm

Sunshine / day

9.9h

Mean relative humidity

74%

Average peak wind

12.9km/h

Seasonal range

6.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

65 d/yr

Rainy days (≥ 1 mm)

161 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.9 °C

Average feels-like low

17.1 °C

Average peak gust

30.1 km/h

Tropical nights (≥ 20 °C)

60 d/yr

Solar radiation

18.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.67 · 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

38.8 °C

7 October 2020

Coldest day

1.3 °C

21 July 1981

Wettest day

146 mm

23 January 1992

Windiest day

32.3 km/h

7 June 2011

Strongest gust

78.1 km/h

11 July 2009

Hottest feels-like

42.3 °C

29 October 2007

Coldest feels-like

-2.1 °C

21 July 1981

Sunniest day

13.4 h

12 December 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.1 °C6 October 2025	4.6 °C10 August 2025	21.7 °C	1,033 mm	114
2024	37.8 °C8 October 2024	5.0 °C27 August 2024	22.8 °C	1,163 mm	169
2023	38.1 °C12 November 2023	5.2 °C15 July 2023	22.0 °C	1,303 mm	116
2022	34.7 °C9 September 2022	5.2 °C14 June 2022	21.4 °C	1,200 mm	95
2021	36.5 °C21 September 2021	1.5 °C30 July 2021	21.5 °C	1,053 mm	107
2020	38.8 °C7 October 2020	5.2 °C27 May 2020	21.7 °C	1,134 mm	102
2019	37.3 °C12 September 2019	4.3 °C8 July 2019	22.6 °C	1,213 mm	127
2018	35.1 °C17 December 2018	6.3 °C12 July 2018	22.4 °C	1,070 mm	125
2017	36.5 °C14 October 2017	7.7 °C4 July 2017	22.4 °C	1,213 mm	129
2016	36.1 °C17 October 2016	3.9 °C13 June 2016	22.3 °C	1,507 mm	148
2015	38.7 °C19 January 2015	10.6 °C27 June 2015	23.0 °C	1,516 mm	122
2014	38.2 °C17 October 2014	9.5 °C20 July 2014	23.1 °C	915 mm	161
2013	35.4 °C11 November 2013	5.8 °C28 August 2013	21.5 °C	1,464 mm	90
2012	36.2 °C31 October 2012	6.5 °C15 July 2012	22.1 °C	1,461 mm	118
2011	35.5 °C30 September 2011	4.3 °C5 August 2011	21.6 °C	1,582 mm	95
2010	34.6 °C29 October 2010	7.5 °C13 June 2010	22.0 °C	1,207 mm	120
2009	34.3 °C6 March 2009	5.1 °C3 June 2009	21.8 °C	1,818 mm	72
2008	35.6 °C26 October 2008	7.1 °C17 June 2008	21.4 °C	1,475 mm	63
2007	35.7 °C23 September 2007	5.2 °C30 July 2007	22.2 °C	1,454 mm	98
2006	36.2 °C15 September 2006	5.9 °C6 September 2006	21.7 °C	1,447 mm	74
2005	35.8 °C13 October 2005	8.0 °C9 July 2005	21.8 °C	1,504 mm	73
2004	34.8 °C24 September 2004	6.2 °C24 July 2004	21.0 °C	1,609 mm	55
2003	34.8 °C24 September 2003	7.1 °C18 August 2003	21.7 °C	1,322 mm	83
2002	36.2 °C16 October 2002	7.9 °C10 July 2002	22.3 °C	1,368 mm	109
2001	33.9 °C10 September 2001	6.8 °C22 June 2001	21.7 °C	1,425 mm	92
2000	34.8 °C13 October 2000	4.3 °C17 July 2000	21.3 °C	1,812 mm	70
1999	35.7 °C1 October 1999	6.9 °C17 August 1999	21.3 °C	1,517 mm	83
1998	33.9 °C4 February 1998	7.8 °C26 June 1998	21.5 °C	1,729 mm	81
1997	34.9 °C9 September 1997	4.6 °C9 June 1997	21.5 °C	1,787 mm	87
1996	33.7 °C30 January 1996	7.0 °C30 June 1996	21.1 °C	1,977 mm	65
1995	34.2 °C11 September 1995	9.7 °C31 May 1995	21.5 °C	1,966 mm	85
1994	35.4 °C4 November 1994	2.3 °C10 July 1994	21.9 °C	1,542 mm	95
1993	34.6 °C16 November 1993	5.7 °C1 August 1993	21.4 °C	1,616 mm	68
1992	32.4 °C15 November 1992	7.9 °C26 August 1992	21.1 °C	1,787 mm	34
1991	33.1 °C15 October 1991	7.1 °C25 July 1991	21.2 °C	1,947 mm	51
1990	34.3 °C10 October 1990	4.3 °C19 May 1990	21.4 °C	1,519 mm	107
1989	32.7 °C25 October 1989	5.2 °C10 July 1989	20.7 °C	1,700 mm	37
1988	35.9 °C27 September 1988	4.3 °C5 June 1988	21.2 °C	1,662 mm	80
1987	34.0 °C18 October 1987	5.4 °C8 August 1987	21.3 °C	1,531 mm	81
1986	34.5 °C25 November 1986	6.3 °C2 June 1986	21.3 °C	1,621 mm	65
1985	36.4 °C17 November 1985	4.3 °C8 June 1985	21.2 °C	1,473 mm	68
1984	34.2 °C17 January 1984	4.7 °C27 August 1984	21.9 °C	1,362 mm	87
1983	33.4 °C17 February 1983	5.3 °C6 August 1983	21.2 °C	2,296 mm	38
1982	32.3 °C16 February 1982	8.3 °C31 July 1982	21.1 °C	1,897 mm	40
1981	33.5 °C19 September 1981	1.3 °C21 July 1981	21.0 °C	1,527 mm	46
1980	34.1 °C27 October 1980	6.0 °C28 June 1980	21.3 °C	1,446 mm	58
1979	33.5 °C22 November 1979	1.8 °C1 June 1979	20.8 °C	1,464 mm	50
1978	34.0 °C25 January 1978	5.6 °C1 June 1978	21.1 °C	1,383 mm	67
1977	33.5 °C1 March 1977	6.4 °C18 May 1977	21.7 °C	1,425 mm	78
1976	33.7 °C19 January 1976	6.1 °C16 August 1976	20.4 °C	2,204 mm	29
1975	33.1 °C29 October 1975	3.8 °C8 July 1975	21.0 °C	1,498 mm	71
1974	34.7 °C19 November 1974	5.0 °C17 August 1974	20.9 °C	1,562 mm	66
1973	33.8 °C7 January 1973	5.3 °C20 June 1973	21.4 °C	1,427 mm	64
1972	33.9 °C26 October 1972	3.6 °C9 July 1972	20.9 °C	1,930 mm	40
1971	34.3 °C25 January 1971	6.0 °C25 April 1971	20.8 °C	1,289 mm	49
1970	33.0 °C8 December 1970	6.3 °C3 July 1970	21.0 °C	1,179 mm	49
1969	34.2 °C11 September 1969	4.9 °C11 July 1969	21.4 °C	985 mm	89
1968	35.0 °C6 November 1968	6.4 °C30 July 1968	20.3 °C	1,044 mm	58
1967	33.9 °C6 September 1967	5.4 °C9 June 1967	21.1 °C	1,508 mm	49
1966	33.7 °C15 September 1966	5.2 °C7 August 1966	20.4 °C	1,599 mm	24
1965	33.5 °C19 September 1965	1.6 °C12 July 1965	20.1 °C	1,830 mm	21
1964	31.6 °C1 September 1964	4.9 °C29 July 1964	19.7 °C	1,902 mm	7
1963	37.9 °C17 October 1963	5.5 °C22 June 1963	21.7 °C	1,209 mm	84
1962	32.3 °C8 September 1962	4.6 °C7 July 1962	19.6 °C	2,016 mm	18
1961	38.2 °C28 September 1961	9.7 °C11 July 1961	21.7 °C	1,477 mm	68
1960	36.4 °C24 September 1960	6.1 °C14 July 1960	20.2 °C	1,796 mm	19
1959	33.4 °C7 September 1959	6.5 °C7 June 1959	21.0 °C	1,504 mm	47
1958	33.6 °C3 December 1958	4.8 °C23 June 1958	20.6 °C	1,508 mm	49
1957	34.2 °C19 October 1957	4.0 °C22 July 1957	20.3 °C	1,654 mm	19
1956	32.6 °C8 October 1956	7.1 °C19 May 1956	19.7 °C	1,390 mm	41
1955	35.8 °C1 October 1955	6.1 °C2 August 1955	20.5 °C	1,406 mm	49
1954	35.0 °C22 September 1954	6.8 °C21 June 1954	20.6 °C	1,924 mm	31
1953	32.3 °C21 August 1953	8.8 °C7 July 1953	20.6 °C	1,701 mm	9
1952	33.8 °C30 September 1952	5.8 °C16 July 1952	20.2 °C	1,725 mm	20
1951	33.9 °C19 November 1951	8.2 °C2 June 1951	20.3 °C	1,475 mm	28
1950	33.2 °C17 September 1950	6.9 °C4 August 1950	20.1 °C	1,938 mm	22
1949	32.9 °C13 October 1949	8.8 °C3 July 1949	20.0 °C	1,998 mm	7
1948	35.5 °C26 September 1948	7.1 °C16 June 1948	20.7 °C	1,545 mm	30
1947	32.6 °C18 January 1947	5.6 °C11 July 1947	19.7 °C	2,098 mm	13
1946	30.5 °C22 December 1946	7.5 °C1 August 1946	20.4 °C	2,076 mm	8
1945	31.4 °C28 September 1945	7.9 °C27 June 1945	20.2 °C	2,502 mm	5
1944	35.3 °C7 September 1944	7.7 °C14 July 1944	20.8 °C	1,636 mm	28
1943	30.4 °C17 January 1943	7.2 °C8 August 1943	19.5 °C	1,474 mm	2
1942	36.5 °C27 November 1942	4.3 °C18 June 1942	20.2 °C	1,239 mm	53
1941	30.7 °C11 January 1941	7.6 °C29 May 1941	20.3 °C	2,435 mm	4
1940	32.6 °C23 August 1940	9.1 °C28 August 1940	20.6 °C	2,164 mm	7

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

28.0 °C

+1.2 °C

Hot days (≥ 30 °C)

114 d/yr

+49

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1033 mm

-541 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.9 °C	+1.6 °C	203 mm	-59 mm
Feb	30.8 °C	+2.4 °C	110 mm	-112 mm
Mar	30.4 °C	+2.4 °C	108 mm	-68 mm
Apr	27.3 °C	+0.6 °C	109 mm	+26 mm
May	26.2 °C	+1.7 °C	12 mm	-51 mm
Jun	24.4 °C	+0.7 °C	43 mm	+4 mm
Jul	24.2 °C	+0.2 °C	3 mm	-32 mm
Aug	27.2 °C	+1.0 °C	2 mm	-32 mm
Sep	29.7 °C	+1.9 °C	25 mm	-48 mm
Oct	28.2 °C	+0.3 °C	120 mm	-35 mm
Nov	28.3 °C	+0.5 °C	116 mm	-68 mm
Dec	29.9 °C	+2.1 °C	180 mm	-67 mm

The year's extremes

Hottest day

35.1 °C

6 Oct 2025

Coldest day

4.6 °C

10 Aug 2025

Wettest day

39.8 mm

13 Dec 2025

Windiest day

31.6 km/h

10 Dec 2025

Strongest gust

74.2 km/h

22 Sep 2025

Hottest feels-like

40.2 °C

26 Dec 2025

Coldest feels-like

1.4 °C

25 Jun 2025

Sunniest day

13.3 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 Araras?

Araras has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.2 °C and it receives 1,573 mm of precipitation per year.

What is the hottest day ever recorded in Araras?

The hottest day measured in Araras between 1940 and 2025 was 7 October 2020, reaching 38.8 °C.

What is the coldest day in Araras?

The coldest day measured in Araras between 1940 and 2025 was 21 July 1981, at 1.3 °C.

Does it snow in Araras?

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

Has the climate of Araras warmed?

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

What is the wettest day in Araras?

The wettest day measured in Araras between 1940 and 2025 was 23 January 1992, with 146 mm of rain in 24 hours.

What was the windiest day in Araras?

The windiest day measured in Araras between 1940 and 2025 was 7 June 2011, with winds reaching 32.3 km/h.

What is the warmest month in Araras?

The warmest month in Araras is February (23.6 °C on average); the coldest is July (17.6 °C).

How much does it rain in Araras?

Araras receives on average 1,573 mm of precipitation per year, spread over about 161 rainy days.

Is it sunny in Araras?

Araras gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Are there tropical nights in Araras?

Yes: Araras has on average 60 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Araras?

In Araras, between 1940 and 2025, the highest apparent temperature reached 42.3 °C on 29 October 2007, and the lowest was -2.1 °C on 21 July 1981.

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