Paraíba do Sul climate — normals and trends

Q: What is the climate of Paraíba do Sul?

Paraíba do Sul has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.4 °C and it receives 1,635 mm of precipitation per year.

Q: What is the hottest day ever recorded in Paraíba do Sul?

The hottest day measured in Paraíba do Sul between 1940 and 2025 was 28 September 1961, reaching 36.4 °C.

Q: What is the coldest day in Paraíba do Sul?

The coldest day measured in Paraíba do Sul between 1940 and 2025 was 1 June 1979, at 4.2 °C.

Q: Does it snow in Paraíba do Sul?

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

Q: Has the climate of Paraíba do Sul warmed?

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

Q: What is the wettest day in Paraíba do Sul?

The wettest day measured in Paraíba do Sul between 1940 and 2025 was 27 January 1944, with 97 mm of rain in 24 hours.

Q: What was the windiest day in Paraíba do Sul?

The windiest day measured in Paraíba do Sul between 1940 and 2025 was 10 March 1965, with winds reaching 29.4 km/h.

Q: What is the warmest month in Paraíba do Sul?

The warmest month in Paraíba do Sul is February (23.3 °C on average); the coldest is July (17.0 °C).

Q: How much does it rain in Paraíba do Sul?

Paraíba do Sul receives on average 1,635 mm of precipitation per year, spread over about 177 rainy days.

Q: Is it sunny in Paraíba do Sul?

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

Paraíba do Sul (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.4 °C and it receives 1,635 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 (23.3 °C on average) and the coldest is July (17.0 °C). Rainfall peaks in December.

Paraíba do Sul averages 0 frost days, 27 hot days (≥ 30 °C) and 177 rainy days per year.

Paraíba do Sul 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 36.4 °C (on 28 September 1961) and the coldest 4.2 °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

Paraíba do SulRio de Janeiro

coords: -22.16°, -43.29°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthFebruaryColdest monthJulyWettest monthDecemberDriest monthJuly

Mean daily temperature

20.4°C

Average daily high

25.0°C

Average daily low

16.8°C

Annual rainfall

1,635mm

Sunshine / day

9.1h

Mean relative humidity

81%

Average peak wind

10.5km/h

Seasonal range

6.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

27 d/yr

Rainy days (≥ 1 mm)

177 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.2 °C

Average feels-like low

18.0 °C

Average peak gust

29.6 km/h

Tropical nights (≥ 20 °C)

57 d/yr

Solar radiation

16.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.56 · 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

36.4 °C

28 September 1961

Coldest day

4.2 °C

1 June 1979

Wettest day

97 mm

27 January 1944

Windiest day

29.4 km/h

10 March 1965

Strongest gust

79.9 km/h

10 December 2025

Hottest feels-like

40.4 °C

17 February 1994

Coldest feels-like

1.5 °C

1 June 1979

Sunniest day

13.4 h

22 December 1948

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.2 °C18 February 2025	7.6 °C31 July 2025	20.5 °C	1,146 mm	42
2024	33.1 °C28 November 2024	6.5 °C13 August 2024	21.5 °C	1,421 mm	50
2023	36.1 °C18 November 2023	7.3 °C4 July 2023	21.1 °C	1,543 mm	58
2022	33.2 °C10 September 2022	7.8 °C16 June 2022	20.3 °C	1,727 mm	30
2021	33.2 °C14 September 2021	5.3 °C20 July 2021	20.1 °C	1,539 mm	20
2020	34.6 °C2 October 2020	8.6 °C29 May 2020	20.7 °C	1,571 mm	34
2019	33.8 °C18 September 2019	7.7 °C9 July 2019	21.5 °C	1,253 mm	60
2018	33.0 °C19 January 2018	8.2 °C22 May 2018	21.2 °C	1,459 mm	41
2017	33.4 °C25 December 2017	9.0 °C7 August 2017	20.8 °C	1,145 mm	33
2016	33.2 °C10 February 2016	5.9 °C15 June 2016	21.1 °C	1,576 mm	48
2015	34.0 °C16 October 2015	10.9 °C27 June 2015	21.7 °C	1,362 mm	73
2014	34.0 °C19 October 2014	8.5 °C6 August 2014	21.2 °C	966 mm	55
2013	34.6 °C12 November 2013	8.5 °C9 May 2013	20.5 °C	1,680 mm	48
2012	34.5 °C19 September 2012	8.3 °C28 September 2012	20.8 °C	1,444 mm	36
2011	32.5 °C21 February 2011	7.8 °C4 September 2011	20.4 °C	1,527 mm	45
2010	33.7 °C16 February 2010	7.3 °C18 August 2010	21.0 °C	1,544 mm	69
2009	32.4 °C2 March 2009	7.1 °C4 June 2009	21.1 °C	1,977 mm	58
2008	33.4 °C27 October 2008	7.9 °C9 July 2008	20.4 °C	1,970 mm	37
2007	33.0 °C27 August 2007	6.1 °C30 July 2007	21.0 °C	1,436 mm	45
2006	34.4 °C25 January 2006	7.4 °C6 September 2006	20.9 °C	1,291 mm	35
2005	33.3 °C14 October 2005	9.2 °C10 July 2005	21.0 °C	1,574 mm	35
2004	32.6 °C29 September 2004	8.9 °C11 August 2004	20.4 °C	1,694 mm	24
2003	33.0 °C10 January 2003	9.3 °C19 August 2003	20.9 °C	1,561 mm	50
2002	32.8 °C22 January 2002	10.1 °C3 September 2002	21.5 °C	1,492 mm	57
2001	31.8 °C6 January 2001	9.9 °C1 July 2001	20.8 °C	1,285 mm	37
2000	32.9 °C15 January 2000	4.4 °C18 July 2000	20.3 °C	1,346 mm	28
1999	32.9 °C20 January 1999	8.3 °C24 September 1999	19.9 °C	1,400 mm	25
1998	34.0 °C5 February 1998	8.6 °C7 June 1998	20.8 °C	1,529 mm	41
1997	34.4 °C9 September 1997	8.0 °C3 June 1997	21.0 °C	1,504 mm	52
1996	33.3 °C25 January 1996	7.7 °C24 July 1996	20.3 °C	1,765 mm	48
1995	34.9 °C17 January 1995	9.2 °C6 September 1995	20.9 °C	1,927 mm	56
1994	33.4 °C26 February 1994	5.2 °C27 June 1994	21.0 °C	1,761 mm	58
1993	33.6 °C1 November 1993	9.7 °C14 June 1993	21.1 °C	1,356 mm	47
1992	32.2 °C22 February 1992	9.1 °C28 July 1992	20.7 °C	1,679 mm	20
1991	31.8 °C13 December 1991	8.9 °C5 September 1991	20.6 °C	1,692 mm	11
1990	32.5 °C25 January 1990	7.5 °C16 September 1990	20.7 °C	1,318 mm	26
1989	31.4 °C21 February 1989	7.2 °C19 July 1989	20.3 °C	1,695 mm	10
1988	32.6 °C30 January 1988	6.0 °C6 June 1988	20.4 °C	1,738 mm	26
1987	32.7 °C9 January 1987	8.6 °C27 May 1987	20.9 °C	1,760 mm	28
1986	31.5 °C7 October 1986	7.9 °C13 July 1986	20.8 °C	1,570 mm	13
1985	31.9 °C4 February 1985	6.8 °C9 June 1985	20.2 °C	1,773 mm	7
1984	33.4 °C16 January 1984	9.1 °C1 August 1984	21.0 °C	1,377 mm	34
1983	31.9 °C26 February 1983	7.5 °C6 August 1983	20.6 °C	2,197 mm	12
1982	31.1 °C30 October 1982	9.3 °C6 May 1982	20.4 °C	1,770 mm	12
1981	32.1 °C29 September 1981	8.0 °C6 July 1981	20.1 °C	1,689 mm	17
1980	31.6 °C27 October 1980	8.3 °C27 September 1980	20.6 °C	1,474 mm	13
1979	31.4 °C10 December 1979	4.2 °C1 June 1979	19.8 °C	1,955 mm	4
1978	31.3 °C31 January 1978	6.9 °C2 June 1978	20.1 °C	1,478 mm	14
1977	32.5 °C28 February 1977	10.0 °C21 May 1977	21.0 °C	1,330 mm	28
1976	31.5 °C20 January 1976	8.6 °C16 August 1976	20.1 °C	1,838 mm	12
1975	32.9 °C9 December 1975	7.2 °C8 July 1975	20.1 °C	1,828 mm	22
1974	31.9 °C21 February 1974	7.3 °C16 June 1974	20.2 °C	1,327 mm	13
1973	34.5 °C11 February 1973	9.5 °C27 July 1973	20.8 °C	1,747 mm	37
1972	32.7 °C6 January 1972	9.2 °C30 July 1972	20.4 °C	1,719 mm	19
1971	33.2 °C31 January 1971	8.9 °C14 September 1971	20.2 °C	1,428 mm	34
1970	31.6 °C7 January 1970	8.9 °C13 August 1970	20.2 °C	1,199 mm	24
1969	33.7 °C17 February 1969	9.0 °C19 July 1969	20.3 °C	1,403 mm	28
1968	32.9 °C24 December 1968	7.5 °C14 July 1968	19.2 °C	1,138 mm	15
1967	32.6 °C12 October 1967	9.7 °C10 June 1967	20.4 °C	1,751 mm	10
1966	32.7 °C5 December 1966	8.3 °C23 September 1966	19.8 °C	1,867 mm	13
1965	31.3 °C21 December 1965	7.3 °C12 July 1965	19.8 °C	2,106 mm	6
1964	31.3 °C19 February 1964	7.8 °C28 July 1964	19.0 °C	1,807 mm	4
1963	35.1 °C15 October 1963	8.2 °C22 June 1963	20.4 °C	1,025 mm	43
1962	30.1 °C24 January 1962	7.6 °C31 May 1962	18.9 °C	2,549 mm	1
1961	36.4 °C28 September 1961	9.5 °C19 June 1961	20.6 °C	1,740 mm	31
1960	34.5 °C25 September 1960	8.0 °C1 July 1960	19.3 °C	1,876 mm	12
1959	31.3 °C27 February 1959	8.9 °C13 June 1959	20.2 °C	1,386 mm	21
1958	32.3 °C16 November 1958	6.9 °C22 September 1958	19.9 °C	1,413 mm	18
1957	31.9 °C26 October 1957	7.8 °C22 July 1957	19.8 °C	1,629 mm	5
1956	32.3 °C27 January 1956	7.6 °C12 July 1956	19.0 °C	1,393 mm	24
1955	34.7 °C1 October 1955	9.7 °C18 July 1955	19.7 °C	1,217 mm	27
1954	34.5 °C19 September 1954	9.2 °C30 August 1954	20.1 °C	2,131 mm	18
1953	31.1 °C31 January 1953	8.9 °C29 July 1953	19.9 °C	1,803 mm	6
1952	31.6 °C31 January 1952	9.4 °C9 May 1952	19.7 °C	2,022 mm	6
1951	33.8 °C16 November 1951	8.2 °C14 August 1951	19.5 °C	1,383 mm	19
1950	31.6 °C20 February 1950	7.8 °C14 July 1950	19.6 °C	1,844 mm	12
1949	30.7 °C18 March 1949	8.8 °C3 July 1949	19.3 °C	2,158 mm	4
1948	32.3 °C27 January 1948	8.8 °C31 August 1948	19.8 °C	1,321 mm	25
1947	33.0 °C9 January 1947	6.6 °C4 August 1947	19.4 °C	1,902 mm	20
1946	31.1 °C2 November 1946	7.7 °C30 July 1946	20.2 °C	2,047 mm	7
1945	31.8 °C13 November 1945	8.8 °C14 July 1945	20.0 °C	1,897 mm	8
1944	32.5 °C2 October 1944	7.9 °C22 August 1944	19.7 °C	2,126 mm	13
1943	29.2 °C19 January 1943	7.6 °C5 September 1943	18.6 °C	1,966 mm	0
1942	34.0 °C7 October 1942	5.9 °C24 June 1942	19.1 °C	1,582 mm	9
1941	32.2 °C13 January 1941	8.6 °C1 July 1941	19.7 °C	2,463 mm	6
1940	31.6 °C23 August 1940	10.5 °C28 September 1940	20.0 °C	2,327 mm	8

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

25.4 °C

+0.4 °C

Hot days (≥ 30 °C)

42 d/yr

+15

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1146 mm

-489 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.1 °C	+0.5 °C	276 mm	+2 mm
Feb	30.2 °C	+2.2 °C	15 mm	-189 mm
Mar	27.8 °C	+0.8 °C	165 mm	-28 mm
Apr	25.1 °C	-0.1 °C	110 mm	+19 mm
May	23.7 °C	+0.5 °C	13 mm	-40 mm
Jun	23.0 °C	+0.6 °C	26 mm	-7 mm
Jul	21.5 °C	-0.6 °C	10 mm	-21 mm
Aug	23.2 °C	-0.2 °C	21 mm	-19 mm
Sep	24.1 °C	-0.3 °C	43 mm	-34 mm
Oct	24.7 °C	-0.4 °C	102 mm	-44 mm
Nov	25.7 °C	+0.3 °C	173 mm	-43 mm
Dec	28.7 °C	+2.2 °C	194 mm	-85 mm

The year's extremes

Hottest day

33.2 °C

18 Feb 2025

Coldest day

7.6 °C

31 Jul 2025

Wettest day

43.6 mm

24 Mar 2025

Windiest day

26.2 km/h

10 Dec 2025

Strongest gust

79.9 km/h

10 Dec 2025

Hottest feels-like

38.9 °C

21 Jan 2025

Coldest feels-like

5.9 °C

31 Jul 2025

Sunniest day

13.4 h

22 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 Paraíba do Sul?

Paraíba do Sul has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.4 °C and it receives 1,635 mm of precipitation per year.

What is the hottest day ever recorded in Paraíba do Sul?

The hottest day measured in Paraíba do Sul between 1940 and 2025 was 28 September 1961, reaching 36.4 °C.

What is the coldest day in Paraíba do Sul?

The coldest day measured in Paraíba do Sul between 1940 and 2025 was 1 June 1979, at 4.2 °C.

Does it snow in Paraíba do Sul?

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

Has the climate of Paraíba do Sul warmed?

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

What is the wettest day in Paraíba do Sul?

The wettest day measured in Paraíba do Sul between 1940 and 2025 was 27 January 1944, with 97 mm of rain in 24 hours.

What was the windiest day in Paraíba do Sul?

The windiest day measured in Paraíba do Sul between 1940 and 2025 was 10 March 1965, with winds reaching 29.4 km/h.

What is the warmest month in Paraíba do Sul?

The warmest month in Paraíba do Sul is February (23.3 °C on average); the coldest is July (17.0 °C).

How much does it rain in Paraíba do Sul?

Paraíba do Sul receives on average 1,635 mm of precipitation per year, spread over about 177 rainy days.

Is it sunny in Paraíba do Sul?

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

Are there tropical nights in Paraíba do Sul?

Yes: Paraíba do Sul has on average 57 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Paraíba do Sul?

In Paraíba do Sul, between 1940 and 2025, the highest apparent temperature reached 40.4 °C on 17 February 1994, and the lowest was 1.5 °C on 1 June 1979.

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