Volta Redonda climate — normals and trends

Q: What is the climate of Volta Redonda?

Volta Redonda has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.3 °C and it receives 1,614 mm of precipitation per year.

Q: What is the hottest day ever recorded in Volta Redonda?

The hottest day measured in Volta Redonda between 1940 and 2025 was 28 September 1961, reaching 37.9 °C.

Q: What is the coldest day in Volta Redonda?

The coldest day measured in Volta Redonda between 1940 and 2025 was 1 June 1979, at 4.0 °C.

Q: Does it snow in Volta Redonda?

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

Q: Has the climate of Volta Redonda warmed?

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

Q: What is the wettest day in Volta Redonda?

The wettest day measured in Volta Redonda between 1940 and 2025 was 11 March 1954, with 207 mm of rain in 24 hours.

Q: What was the windiest day in Volta Redonda?

The windiest day measured in Volta Redonda between 1940 and 2025 was 17 December 1989, with winds reaching 26.1 km/h.

Q: What is the warmest month in Volta Redonda?

The warmest month in Volta Redonda is February (24.2 °C on average); the coldest is July (17.9 °C).

Q: How much does it rain in Volta Redonda?

Volta Redonda receives on average 1,614 mm of precipitation per year, spread over about 171 rainy days.

Q: Is it sunny in Volta Redonda?

Volta Redonda gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

Volta Redonda (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 21.3 °C and it receives 1,614 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 (24.2 °C on average) and the coldest is July (17.9 °C). Rainfall peaks in January.

Volta Redonda averages 0 frost days, 69 hot days (≥ 30 °C) and 171 rainy days per year.

Volta Redonda 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 37.9 °C (on 28 September 1961) and the coldest 4.0 °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

Volta RedondaRio de Janeiro

coords: -22.52°, -44.10°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthFebruaryColdest monthJulyWettest monthJanuaryDriest monthJuly

Mean daily temperature

21.3°C

Average daily high

26.3°C

Average daily low

17.3°C

Annual rainfall

1,614mm

Sunshine / day

9.0h

Mean relative humidity

80%

Average peak wind

10.8km/h

Seasonal range

6.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

69 d/yr

Rainy days (≥ 1 mm)

171 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.9 °C

Average feels-like low

18.7 °C

Average peak gust

27.5 km/h

Tropical nights (≥ 20 °C)

86 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 = 0.58 · 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

37.9 °C

28 September 1961

Coldest day

4.0 °C

1 June 1979

Wettest day

207 mm

11 March 1954

Windiest day

26.1 km/h

17 December 1989

Strongest gust

70.6 km/h

24 January 1992

Hottest feels-like

43.4 °C

17 February 1994

Coldest feels-like

1.8 °C

1 June 1979

Sunniest day

13.4 h

22 December 1944

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.7 °C17 February 2025	8.4 °C1 August 2025	21.6 °C	919 mm	92
2024	35.5 °C2 October 2024	6.7 °C14 August 2024	22.2 °C	1,262 mm	121
2023	37.8 °C18 November 2023	8.7 °C4 July 2023	22.1 °C	1,454 mm	120
2022	34.3 °C10 September 2022	7.9 °C16 June 2022	21.2 °C	1,618 mm	77
2021	35.4 °C14 September 2021	5.2 °C31 July 2021	21.1 °C	1,427 mm	77
2020	37.1 °C2 October 2020	6.2 °C27 May 2020	21.5 °C	1,610 mm	81
2019	35.8 °C18 September 2019	8.3 °C7 July 2019	22.4 °C	1,289 mm	105
2018	35.0 °C18 January 2018	8.1 °C22 May 2018	22.1 °C	1,339 mm	90
2017	34.2 °C13 October 2017	9.2 °C7 August 2017	21.9 °C	1,205 mm	98
2016	34.7 °C31 January 2016	6.2 °C15 June 2016	22.0 °C	1,460 mm	122
2015	36.5 °C24 September 2015	10.7 °C27 June 2015	22.7 °C	1,304 mm	119
2014	35.7 °C3 January 2014	7.7 °C8 August 2014	22.2 °C	954 mm	125
2013	36.1 °C12 November 2013	8.5 °C8 July 2013	21.5 °C	1,794 mm	81
2012	36.4 °C19 September 2012	8.5 °C21 July 2012	21.9 °C	1,187 mm	92
2011	34.2 °C10 February 2011	6.9 °C6 June 2011	21.3 °C	1,303 mm	88
2010	35.7 °C8 February 2010	8.2 °C8 June 2010	21.9 °C	1,491 mm	118
2009	34.7 °C19 November 2009	7.2 °C4 June 2009	21.9 °C	1,958 mm	87
2008	34.7 °C26 October 2008	7.6 °C15 July 2008	21.2 °C	1,925 mm	71
2007	35.2 °C30 December 2007	7.2 °C31 July 2007	21.9 °C	1,361 mm	102
2006	35.9 °C25 January 2006	10.0 °C6 September 2006	21.8 °C	1,463 mm	92
2005	36.5 °C14 October 2005	9.2 °C10 July 2005	21.9 °C	1,700 mm	73
2004	34.5 °C31 October 2004	8.4 °C11 August 2004	21.3 °C	1,606 mm	58
2003	36.3 °C16 December 2003	8.7 °C19 August 2003	21.9 °C	1,485 mm	96
2002	35.0 °C16 October 2002	10.1 °C3 September 2002	22.5 °C	1,205 mm	105
2001	33.7 °C11 February 2001	9.6 °C30 July 2001	21.8 °C	1,324 mm	97
2000	34.7 °C12 October 2000	4.9 °C18 July 2000	21.3 °C	1,347 mm	76
1999	35.9 °C2 February 1999	8.5 °C23 May 1999	20.9 °C	1,502 mm	65
1998	36.4 °C31 January 1998	8.9 °C9 June 1998	21.7 °C	1,540 mm	91
1997	35.2 °C22 December 1997	7.5 °C10 June 1997	21.8 °C	1,556 mm	120
1996	35.2 °C25 January 1996	8.0 °C24 July 1996	21.2 °C	2,095 mm	94
1995	36.3 °C17 January 1995	9.5 °C7 June 1995	21.8 °C	1,965 mm	97
1994	35.8 °C3 October 1994	4.7 °C27 June 1994	22.0 °C	1,577 mm	103
1993	35.8 °C17 November 1993	8.2 °C13 August 1993	21.9 °C	1,384 mm	101
1992	34.6 °C22 February 1992	9.1 °C27 July 1992	21.8 °C	1,654 mm	72
1991	33.3 °C26 November 1991	9.0 °C17 August 1991	21.6 °C	1,547 mm	62
1990	34.2 °C25 January 1990	7.5 °C23 June 1990	21.8 °C	1,563 mm	78
1989	33.1 °C24 September 1989	7.2 °C20 July 1989	21.2 °C	1,684 mm	48
1988	34.1 °C19 January 1988	4.5 °C6 June 1988	21.3 °C	1,761 mm	69
1987	34.0 °C9 January 1987	7.1 °C26 June 1987	21.8 °C	1,427 mm	84
1986	33.9 °C7 October 1986	7.8 °C13 July 1986	21.7 °C	1,511 mm	74
1985	33.7 °C27 August 1985	6.8 °C9 June 1985	21.2 °C	1,639 mm	44
1984	34.7 °C3 November 1984	9.4 °C1 August 1984	21.9 °C	1,360 mm	66
1983	34.3 °C26 February 1983	7.1 °C7 August 1983	21.5 °C	2,191 mm	48
1982	33.6 °C4 November 1982	9.6 °C1 August 1982	21.4 °C	1,840 mm	41
1981	34.3 °C20 September 1981	5.8 °C22 July 1981	21.1 °C	1,552 mm	55
1980	34.2 °C27 October 1980	7.7 °C18 June 1980	21.5 °C	1,386 mm	64
1979	33.1 °C18 November 1979	4.0 °C1 June 1979	20.8 °C	1,781 mm	56
1978	34.8 °C25 October 1978	6.6 °C2 June 1978	21.2 °C	1,467 mm	61
1977	34.7 °C28 February 1977	10.4 °C18 May 1977	21.9 °C	1,463 mm	81
1976	34.0 °C25 January 1976	8.0 °C6 July 1976	20.9 °C	1,909 mm	50
1975	33.7 °C9 December 1975	5.7 °C8 July 1975	21.0 °C	1,807 mm	55
1974	34.2 °C26 September 1974	7.4 °C16 June 1974	21.1 °C	1,487 mm	54
1973	36.1 °C11 February 1973	7.7 °C22 June 1973	21.7 °C	1,689 mm	75
1972	34.5 °C27 October 1972	7.7 °C23 June 1972	21.4 °C	1,736 mm	65
1971	34.1 °C25 January 1971	8.8 °C2 June 1971	21.0 °C	1,380 mm	68
1970	33.1 °C9 December 1970	9.3 °C13 August 1970	21.0 °C	1,102 mm	46
1969	34.4 °C15 February 1969	9.2 °C19 July 1969	21.1 °C	1,497 mm	54
1968	34.4 °C24 December 1968	8.0 °C1 June 1968	20.1 °C	992 mm	43
1967	33.3 °C12 October 1967	8.7 °C10 June 1967	21.3 °C	2,068 mm	41
1966	33.4 °C5 December 1966	9.0 °C25 May 1966	20.8 °C	1,969 mm	68
1965	33.1 °C29 October 1965	8.6 °C13 July 1965	20.6 °C	2,006 mm	39
1964	33.0 °C18 February 1964	6.2 °C29 July 1964	19.9 °C	1,850 mm	28
1963	35.5 °C1 November 1963	8.6 °C8 August 1963	21.1 °C	1,326 mm	84
1962	32.0 °C8 September 1962	7.7 °C26 August 1962	19.8 °C	2,338 mm	17
1961	37.9 °C28 September 1961	10.9 °C19 June 1961	21.6 °C	1,806 mm	88
1960	36.1 °C25 September 1960	7.1 °C15 July 1960	20.3 °C	1,791 mm	35
1959	33.3 °C7 September 1959	9.4 °C13 June 1959	21.1 °C	1,399 mm	65
1958	34.0 °C15 November 1958	7.6 °C22 June 1958	20.9 °C	1,542 mm	64
1957	34.1 °C19 October 1957	6.6 °C23 July 1957	20.6 °C	1,601 mm	37
1956	35.0 °C2 February 1956	7.7 °C12 July 1956	20.0 °C	1,273 mm	67
1955	34.7 °C1 October 1955	8.7 °C14 July 1955	20.6 °C	1,147 mm	71
1954	35.5 °C22 September 1954	8.7 °C30 August 1954	20.9 °C	2,327 mm	49
1953	32.9 °C22 August 1953	8.4 °C29 July 1953	20.8 °C	1,704 mm	46
1952	33.4 °C4 September 1952	8.7 °C17 July 1952	20.6 °C	2,016 mm	26
1951	35.1 °C19 November 1951	8.9 °C16 July 1951	20.3 °C	1,508 mm	59
1950	33.2 °C13 February 1950	7.2 °C14 July 1950	20.4 °C	1,767 mm	40
1949	32.5 °C18 March 1949	8.9 °C3 July 1949	20.1 °C	1,970 mm	25
1948	36.2 °C27 September 1948	9.2 °C30 August 1948	20.6 °C	1,434 mm	64
1947	34.5 °C8 January 1947	6.1 °C4 August 1947	20.2 °C	1,822 mm	34
1946	32.7 °C2 November 1946	8.4 °C30 July 1946	21.1 °C	2,206 mm	55
1945	32.8 °C13 November 1945	9.2 °C14 July 1945	20.9 °C	2,066 mm	46
1944	34.3 °C7 September 1944	7.3 °C13 July 1944	20.6 °C	1,926 mm	33
1943	31.4 °C19 January 1943	9.2 °C5 September 1943	19.6 °C	1,632 mm	13
1942	35.1 °C6 October 1942	5.5 °C26 June 1942	19.9 °C	1,509 mm	41
1941	34.2 °C12 January 1941	10.2 °C12 July 1941	20.8 °C	2,226 mm	34
1940	33.4 °C12 September 1940	9.6 °C28 September 1940	21.0 °C	2,556 mm	35

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

26.8 °C

+0.5 °C

Hot days (≥ 30 °C)

92 d/yr

+23

Frost days (< 0 °C)

0 d/yr

Annual rainfall

919 mm

-696 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.1 °C	+0.2 °C	200 mm	-72 mm
Feb	32.2 °C	+3.0 °C	29 mm	-191 mm
Mar	28.9 °C	+0.8 °C	125 mm	-84 mm
Apr	26.2 °C	-0.1 °C	106 mm	+3 mm
May	25.3 °C	+0.8 °C	25 mm	-29 mm
Jun	24.4 °C	+0.7 °C	21 mm	-12 mm
Jul	22.5 °C	-1.0 °C	15 mm	-14 mm
Aug	24.7 °C	-0.2 °C	13 mm	-22 mm
Sep	25.8 °C	0.0 °C	52 mm	-18 mm
Oct	26.3 °C	0.0 °C	101 mm	-34 mm
Nov	26.7 °C	+0.2 °C	117 mm	-86 mm
Dec	30.1 °C	+2.5 °C	115 mm	-139 mm

The year's extremes

Hottest day

35.7 °C

17 Feb 2025

Coldest day

8.4 °C

1 Aug 2025

Wettest day

32.3 mm

19 Mar 2025

Windiest day

25.5 km/h

22 Sep 2025

Strongest gust

61.6 km/h

22 Sep 2025

Hottest feels-like

40.8 °C

17 Feb 2025

Coldest feels-like

7.3 °C

1 Aug 2025

Sunniest day

13.4 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 Volta Redonda?

Volta Redonda has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.3 °C and it receives 1,614 mm of precipitation per year.

What is the hottest day ever recorded in Volta Redonda?

The hottest day measured in Volta Redonda between 1940 and 2025 was 28 September 1961, reaching 37.9 °C.

What is the coldest day in Volta Redonda?

The coldest day measured in Volta Redonda between 1940 and 2025 was 1 June 1979, at 4.0 °C.

Does it snow in Volta Redonda?

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

Has the climate of Volta Redonda warmed?

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

What is the wettest day in Volta Redonda?

The wettest day measured in Volta Redonda between 1940 and 2025 was 11 March 1954, with 207 mm of rain in 24 hours.

What was the windiest day in Volta Redonda?

The windiest day measured in Volta Redonda between 1940 and 2025 was 17 December 1989, with winds reaching 26.1 km/h.

What is the warmest month in Volta Redonda?

The warmest month in Volta Redonda is February (24.2 °C on average); the coldest is July (17.9 °C).

How much does it rain in Volta Redonda?

Volta Redonda receives on average 1,614 mm of precipitation per year, spread over about 171 rainy days.

Is it sunny in Volta Redonda?

Volta Redonda gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

Are there tropical nights in Volta Redonda?

Yes: Volta Redonda has on average 86 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Volta Redonda?

In Volta Redonda, between 1940 and 2025, the highest apparent temperature reached 43.4 °C on 17 February 1994, and the lowest was 1.8 °C on 1 June 1979.

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