Valença climate — normals and trends

Q: What is the climate of Valença?

Valença has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 20.5 °C and it receives 1,824 mm of precipitation per year.

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

The hottest day measured in Valença between 1940 and 2025 was 28 September 1961, reaching 37.4 °C.

Q: What is the coldest day in Valença?

The coldest day measured in Valença between 1940 and 2025 was 1 June 1979, at 4.4 °C.

Q: Does it snow in Valença?

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

Q: Has the climate of Valença warmed?

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

Q: What is the wettest day in Valença?

The wettest day measured in Valença between 1940 and 2025 was 30 November 1946, with 129 mm of rain in 24 hours.

Q: What was the windiest day in Valença?

The windiest day measured in Valença between 1940 and 2025 was 10 December 2025, with winds reaching 31.4 km/h.

Q: What is the warmest month in Valença?

The warmest month in Valença is February (23.4 °C on average); the coldest is July (17.3 °C).

Q: How much does it rain in Valença?

Valença receives on average 1,824 mm of precipitation per year, spread over about 182 rainy days.

Q: Is it sunny in Valença?

Valença gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

Valença (Brazil) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 20.5 °C and it receives 1,824 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 (23.4 °C on average) and the coldest is July (17.3 °C). Rainfall peaks in January.

Valença averages 0 frost days, 46 hot days (≥ 30 °C) and 182 rainy days per year.

Valença has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.4 °C (on 28 September 1961) and the coldest 4.4 °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

ValençaRio de Janeiro

coords: -22.25°, -43.70°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthFebruaryColdest monthJulyWettest monthJanuaryDriest monthJuly

Mean daily temperature

20.5°C

Average daily high

25.5°C

Average daily low

16.7°C

Annual rainfall

1,824mm

Sunshine / day

8.9h

Mean relative humidity

80%

Average peak wind

11.8km/h

Seasonal range

6.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

46 d/yr

Rainy days (≥ 1 mm)

182 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.5 °C

Average feels-like low

17.7 °C

Average peak gust

31.3 km/h

Tropical nights (≥ 20 °C)

50 d/yr

Solar radiation

16.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.57 · 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

37.4 °C

28 September 1961

Coldest day

4.4 °C

1 June 1979

Wettest day

129 mm

30 November 1946

Windiest day

31.4 km/h

10 December 2025

Strongest gust

77.4 km/h

10 December 2025

Hottest feels-like

41.4 °C

17 February 1994

Coldest feels-like

2.0 °C

1 June 1979

Sunniest day

13.4 h

19 December 1946

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.0 °C17 February 2025	7.4 °C31 July 2025	20.8 °C	1,183 mm	70
2024	34.5 °C2 October 2024	7.0 °C14 August 2024	21.6 °C	1,502 mm	95
2023	37.3 °C18 November 2023	6.8 °C4 July 2023	21.3 °C	1,648 mm	95
2022	33.4 °C10 September 2022	7.6 °C18 September 2022	20.4 °C	1,871 mm	61
2021	34.5 °C14 September 2021	5.4 °C31 July 2021	20.3 °C	1,682 mm	46
2020	36.0 °C2 October 2020	6.7 °C27 May 2020	20.8 °C	1,865 mm	58
2019	35.3 °C18 September 2019	8.2 °C7 July 2019	21.6 °C	1,425 mm	84
2018	33.9 °C18 January 2018	8.4 °C22 May 2018	21.4 °C	1,635 mm	65
2017	33.2 °C14 October 2017	9.3 °C4 July 2017	21.0 °C	1,325 mm	66
2016	34.5 °C10 February 2016	6.0 °C14 June 2016	21.2 °C	1,638 mm	88
2015	35.8 °C24 September 2015	9.6 °C27 June 2015	21.8 °C	1,623 mm	89
2014	35.0 °C3 January 2014	7.9 °C8 August 2014	21.4 °C	1,101 mm	90
2013	35.3 °C12 November 2013	7.8 °C8 July 2013	20.7 °C	1,848 mm	63
2012	35.9 °C19 September 2012	8.4 °C20 July 2012	21.0 °C	1,491 mm	54
2011	33.7 °C1 October 2011	7.1 °C6 June 2011	20.5 °C	1,712 mm	68
2010	34.9 °C14 March 2010	7.7 °C18 August 2010	21.1 °C	1,751 mm	89
2009	33.7 °C2 March 2009	6.9 °C4 June 2009	21.2 °C	2,177 mm	80
2008	33.8 °C27 October 2008	8.0 °C15 July 2008	20.5 °C	2,227 mm	57
2007	34.2 °C1 November 2007	7.1 °C30 July 2007	21.2 °C	1,568 mm	75
2006	35.8 °C25 January 2006	7.8 °C6 September 2006	21.0 °C	1,637 mm	58
2005	35.3 °C14 October 2005	9.2 °C10 July 2005	21.1 °C	1,796 mm	54
2004	33.8 °C29 September 2004	8.3 °C11 August 2004	20.5 °C	1,892 mm	40
2003	35.4 °C16 December 2003	9.2 °C19 August 2003	21.1 °C	1,729 mm	69
2002	33.8 °C16 October 2002	10.2 °C3 September 2002	21.7 °C	1,546 mm	86
2001	32.6 °C11 February 2001	9.4 °C30 July 2001	21.0 °C	1,497 mm	59
2000	33.8 °C15 January 2000	4.8 °C18 July 2000	20.5 °C	1,487 mm	48
1999	34.7 °C2 February 1999	7.9 °C16 August 1999	20.1 °C	1,548 mm	46
1998	34.6 °C31 January 1998	8.2 °C26 June 1998	20.9 °C	1,772 mm	61
1997	35.0 °C9 September 1997	7.3 °C10 June 1997	21.1 °C	1,754 mm	83
1996	34.4 °C25 January 1996	7.8 °C13 July 1996	20.5 °C	2,139 mm	78
1995	35.7 °C17 January 1995	9.3 °C5 June 1995	21.1 °C	2,220 mm	77
1994	35.2 °C3 October 1994	5.5 °C27 June 1994	21.2 °C	1,845 mm	84
1993	35.1 °C7 September 1993	8.6 °C13 August 1993	21.2 °C	1,587 mm	74
1992	33.9 °C22 February 1992	8.4 °C25 August 1992	20.9 °C	1,778 mm	33
1991	32.3 °C11 December 1991	9.7 °C17 August 1991	20.8 °C	1,774 mm	27
1990	33.8 °C21 January 1990	7.9 °C24 June 1990	21.0 °C	1,560 mm	52
1989	32.1 °C22 February 1989	7.1 °C11 July 1989	20.4 °C	1,932 mm	23
1988	33.1 °C27 September 1988	4.8 °C6 June 1988	20.5 °C	1,934 mm	46
1987	33.4 °C9 January 1987	7.2 °C26 June 1987	21.0 °C	1,774 mm	54
1986	32.5 °C7 October 1986	8.1 °C13 July 1986	20.9 °C	1,685 mm	45
1985	32.6 °C27 August 1985	6.3 °C9 June 1985	20.4 °C	1,903 mm	26
1984	34.0 °C16 January 1984	7.9 °C27 August 1984	21.1 °C	1,506 mm	52
1983	33.3 °C26 February 1983	6.5 °C5 August 1983	20.8 °C	2,346 mm	28
1982	32.1 °C4 November 1982	9.2 °C6 May 1982	20.5 °C	1,933 mm	21
1981	33.0 °C20 September 1981	6.8 °C22 July 1981	20.3 °C	1,731 mm	32
1980	33.0 °C27 October 1980	8.3 °C27 September 1980	20.7 °C	1,593 mm	40
1979	31.9 °C23 October 1979	4.4 °C1 June 1979	20.0 °C	1,979 mm	33
1978	33.3 °C2 February 1978	6.5 °C2 June 1978	20.4 °C	1,631 mm	34
1977	34.0 °C28 February 1977	9.6 °C21 May 1977	21.2 °C	1,562 mm	52
1976	32.8 °C25 January 1976	7.8 °C16 August 1976	20.2 °C	2,205 mm	26
1975	33.5 °C9 December 1975	6.5 °C7 July 1975	20.2 °C	1,963 mm	35
1974	32.9 °C21 February 1974	7.3 °C16 June 1974	20.3 °C	1,629 mm	29
1973	35.6 °C11 February 1973	8.5 °C17 May 1973	21.0 °C	1,904 mm	53
1972	33.5 °C27 October 1972	8.3 °C23 June 1972	20.6 °C	1,960 mm	41
1971	33.6 °C25 January 1971	8.8 °C25 April 1971	20.2 °C	1,633 mm	47
1970	32.2 °C7 January 1970	8.9 °C11 August 1970	20.3 °C	1,316 mm	38
1969	33.8 °C17 February 1969	8.8 °C19 July 1969	20.5 °C	1,595 mm	42
1968	34.1 °C24 December 1968	8.7 °C1 June 1968	19.4 °C	1,139 mm	27
1967	33.3 °C12 October 1967	9.5 °C10 June 1967	20.6 °C	2,095 mm	29
1966	33.1 °C5 December 1966	9.2 °C23 September 1966	20.0 °C	2,143 mm	32
1965	32.5 °C3 September 1965	8.5 °C26 May 1965	19.9 °C	2,225 mm	20
1964	32.3 °C18 February 1964	6.0 °C29 July 1964	19.1 °C	2,063 mm	7
1963	34.8 °C14 October 1963	8.9 °C22 June 1963	20.4 °C	1,330 mm	65
1962	30.7 °C18 February 1962	7.2 °C31 May 1962	19.0 °C	2,756 mm	4
1961	37.4 °C28 September 1961	10.4 °C19 June 1961	20.8 °C	1,956 mm	56
1960	35.5 °C25 September 1960	7.9 °C15 July 1960	19.4 °C	2,090 mm	18
1959	32.0 °C7 September 1959	8.9 °C13 June 1959	20.3 °C	1,517 mm	34
1958	33.0 °C15 November 1958	8.5 °C22 June 1958	20.1 °C	1,631 mm	42
1957	32.5 °C19 October 1957	6.8 °C23 July 1957	19.8 °C	1,786 mm	17
1956	33.6 °C2 February 1956	7.5 °C12 July 1956	19.1 °C	1,545 mm	40
1955	34.9 °C1 October 1955	9.3 °C14 July 1955	19.7 °C	1,408 mm	41
1954	35.1 °C22 September 1954	9.2 °C30 August 1954	20.2 °C	2,404 mm	33
1953	32.2 °C22 August 1953	8.7 °C29 July 1953	20.0 °C	1,988 mm	17
1952	33.0 °C4 September 1952	10.0 °C17 July 1952	19.8 °C	2,228 mm	14
1951	34.2 °C16 November 1951	9.3 °C14 July 1951	19.6 °C	1,728 mm	31
1950	32.2 °C14 February 1950	7.6 °C14 July 1950	19.7 °C	2,103 mm	28
1949	31.8 °C18 March 1949	9.6 °C3 July 1949	19.4 °C	2,302 mm	11
1948	34.8 °C27 September 1948	9.4 °C30 August 1948	19.9 °C	1,620 mm	49
1947	33.9 °C9 January 1947	6.6 °C4 August 1947	19.4 °C	2,119 mm	27
1946	32.1 °C2 November 1946	8.9 °C30 July 1946	20.3 °C	2,447 mm	28
1945	32.5 °C13 November 1945	9.1 °C14 July 1945	20.1 °C	2,243 mm	22
1944	33.1 °C2 October 1944	8.7 °C13 July 1944	19.9 °C	2,361 mm	20
1943	30.1 °C19 January 1943	8.0 °C5 September 1943	18.7 °C	2,076 mm	3
1942	34.0 °C7 October 1942	5.5 °C24 June 1942	19.2 °C	1,737 mm	25
1941	33.5 °C13 January 1941	9.6 °C1 July 1941	19.9 °C	2,601 mm	17
1940	32.7 °C12 September 1940	10.4 °C27 September 1940	20.2 °C	2,659 mm	22

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

26.0 °C

+0.5 °C

Hot days (≥ 30 °C)

70 d/yr

+24

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1183 mm

-641 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.5 °C	+0.4 °C	281 mm	-25 mm
Feb	31.4 °C	+3.0 °C	26 mm	-208 mm
Mar	28.2 °C	+0.9 °C	186 mm	-38 mm
Apr	25.3 °C	-0.2 °C	129 mm	+22 mm
May	24.2 °C	+0.6 °C	13 mm	-44 mm
Jun	23.7 °C	+0.8 °C	25 mm	-9 mm
Jul	21.9 °C	-0.8 °C	14 mm	-16 mm
Aug	24.0 °C	-0.1 °C	14 mm	-25 mm
Sep	25.0 °C	-0.1 °C	47 mm	-35 mm
Oct	25.3 °C	-0.3 °C	108 mm	-57 mm
Nov	26.1 °C	+0.3 °C	179 mm	-60 mm
Dec	29.4 °C	+2.5 °C	160 mm	-144 mm

The year's extremes

Hottest day

35.0 °C

17 Feb 2025

Coldest day

7.4 °C

31 Jul 2025

Wettest day

46.9 mm

2 Nov 2025

Windiest day

31.4 km/h

10 Dec 2025

Strongest gust

77.4 km/h

10 Dec 2025

Hottest feels-like

39.6 °C

30 Dec 2025

Coldest feels-like

5.9 °C

31 Jul 2025

Sunniest day

13.4 h

26 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 Valença?

Valença has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 20.5 °C and it receives 1,824 mm of precipitation per year.

What is the hottest day ever recorded in Valença?

The hottest day measured in Valença between 1940 and 2025 was 28 September 1961, reaching 37.4 °C.

What is the coldest day in Valença?

The coldest day measured in Valença between 1940 and 2025 was 1 June 1979, at 4.4 °C.

Does it snow in Valença?

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

Has the climate of Valença warmed?

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

What is the wettest day in Valença?

The wettest day measured in Valença between 1940 and 2025 was 30 November 1946, with 129 mm of rain in 24 hours.

What was the windiest day in Valença?

The windiest day measured in Valença between 1940 and 2025 was 10 December 2025, with winds reaching 31.4 km/h.

What is the warmest month in Valença?

The warmest month in Valença is February (23.4 °C on average); the coldest is July (17.3 °C).

How much does it rain in Valença?

Valença receives on average 1,824 mm of precipitation per year, spread over about 182 rainy days.

Is it sunny in Valença?

Valença gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

Are there tropical nights in Valença?

Yes: Valença has on average 50 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Valença?

In Valença, between 1940 and 2025, the highest apparent temperature reached 41.4 °C on 17 February 1994, and the lowest was 2.0 °C on 1 June 1979.

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