São Fidélis climate — normals and trends

Q: What is the climate of São Fidélis?

São Fidélis has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.1 °C and it receives 1,629 mm of precipitation per year.

Q: What is the hottest day ever recorded in São Fidélis?

The hottest day measured in São Fidélis between 1940 and 2025 was 18 November 2023, reaching 38.4 °C.

Q: What is the coldest day in São Fidélis?

The coldest day measured in São Fidélis between 1940 and 2025 was 1 June 1979, at 7.4 °C.

Q: Does it snow in São Fidélis?

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

Q: Has the climate of São Fidélis warmed?

Yes: São Fidélis warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in São Fidélis?

The wettest day measured in São Fidélis between 1940 and 2025 was 11 November 1981, with 188 mm of rain in 24 hours.

Q: What was the windiest day in São Fidélis?

The windiest day measured in São Fidélis between 1940 and 2025 was 29 December 1990, with winds reaching 23.8 km/h.

Q: What is the warmest month in São Fidélis?

The warmest month in São Fidélis is February (24.9 °C on average); the coldest is July (19.1 °C).

Q: How much does it rain in São Fidélis?

São Fidélis receives on average 1,629 mm of precipitation per year, spread over about 174 rainy days.

Q: Is it sunny in São Fidélis?

São Fidélis gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

São Fidélis (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 22.1 °C and it receives 1,629 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 (24.9 °C on average) and the coldest is July (19.1 °C). Rainfall peaks in December.

São Fidélis averages 0 frost days, 69 hot days (≥ 30 °C) and 174 rainy days per year.

São Fidélis has warmed by +1.8 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.4 °C (on 18 November 2023) and the coldest 7.4 °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

São FidélisRio de Janeiro

coords: -21.65°, -41.75°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthFebruaryColdest monthJulyWettest monthDecemberDriest monthJuly

Mean daily temperature

22.1°C

Average daily high

26.7°C

Average daily low

18.4°C

Annual rainfall

1,629mm

Sunshine / day

9.3h

Mean relative humidity

82%

Average peak wind

9.5km/h

Seasonal range

5.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

69 d/yr

Rainy days (≥ 1 mm)

174 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.9 °C

Average feels-like low

20.5 °C

Average peak gust

31.8 km/h

Tropical nights (≥ 20 °C)

127 d/yr

Solar radiation

16.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.64 · 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

38.4 °C

18 November 2023

Coldest day

7.4 °C

1 June 1979

Wettest day

188 mm

11 November 1981

Windiest day

23.8 km/h

29 December 1990

Strongest gust

80.3 km/h

29 December 1990

Hottest feels-like

44.4 °C

17 November 2023

Coldest feels-like

4.9 °C

1 June 1979

Sunniest day

13.2 h

2 January 1958

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	36.6 °C17 February 2025	11.0 °C22 October 2025	22.7 °C	1,101 mm	124
2024	35.4 °C8 December 2024	11.1 °C13 August 2024	23.5 °C	1,352 mm	157
2023	38.4 °C18 November 2023	10.3 °C7 July 2023	23.0 °C	1,244 mm	141
2022	34.6 °C10 September 2022	8.6 °C19 May 2022	22.3 °C	1,691 mm	105
2021	35.3 °C14 September 2021	8.8 °C30 July 2021	22.1 °C	1,404 mm	99
2020	37.0 °C3 October 2020	10.3 °C25 August 2020	22.4 °C	1,635 mm	86
2019	36.1 °C5 November 2019	10.3 °C7 July 2019	23.4 °C	1,380 mm	156
2018	36.2 °C19 January 2018	11.0 °C12 July 2018	23.0 °C	1,616 mm	112
2017	35.9 °C25 December 2017	11.1 °C4 July 2017	22.7 °C	961 mm	127
2016	35.3 °C10 February 2016	9.2 °C14 June 2016	23.1 °C	1,500 mm	148
2015	36.6 °C16 October 2015	13.0 °C9 June 2015	23.5 °C	1,226 mm	148
2014	36.6 °C29 December 2014	8.8 °C8 August 2014	22.9 °C	913 mm	136
2013	36.4 °C12 November 2013	10.7 °C29 August 2013	22.5 °C	1,579 mm	86
2012	36.0 °C31 October 2012	9.4 °C29 September 2012	22.5 °C	1,313 mm	89
2011	34.2 °C22 February 2011	10.3 °C6 June 2011	22.0 °C	1,381 mm	78
2010	36.8 °C24 February 2010	9.0 °C17 August 2010	22.9 °C	1,443 mm	118
2009	33.9 °C13 December 2009	8.8 °C4 June 2009	22.8 °C	1,892 mm	101
2008	34.6 °C19 January 2008	11.7 °C18 July 2008	22.2 °C	1,808 mm	73
2007	36.0 °C1 November 2007	8.9 °C30 July 2007	22.5 °C	1,380 mm	94
2006	36.2 °C25 January 2006	12.5 °C6 September 2006	22.6 °C	1,328 mm	94
2005	34.4 °C14 October 2005	11.6 °C9 July 2005	22.8 °C	1,832 mm	94
2004	34.7 °C6 November 2004	11.5 °C24 July 2004	22.3 °C	1,755 mm	64
2003	35.0 °C4 March 2003	12.1 °C18 August 2003	22.8 °C	1,368 mm	108
2002	35.0 °C2 December 2002	13.0 °C3 September 2002	23.2 °C	1,369 mm	116
2001	35.0 °C1 February 2001	11.9 °C18 September 2001	22.7 °C	1,354 mm	106
2000	34.2 °C15 January 2000	9.3 °C13 August 2000	22.0 °C	1,178 mm	79
1999	34.4 °C20 January 1999	10.3 °C25 September 1999	21.7 °C	1,457 mm	69
1998	35.9 °C5 February 1998	10.5 °C14 July 1998	22.5 °C	1,472 mm	94
1997	34.3 °C3 November 1997	9.4 °C9 June 1997	22.4 °C	1,579 mm	91
1996	35.4 °C10 February 1996	9.9 °C23 July 1996	22.1 °C	1,578 mm	95
1995	37.5 °C17 January 1995	10.7 °C7 June 1995	22.7 °C	1,587 mm	99
1994	34.8 °C17 February 1994	7.7 °C10 July 1994	22.6 °C	1,520 mm	100
1993	34.4 °C18 November 1993	11.1 °C23 June 1993	22.7 °C	1,435 mm	107
1992	33.3 °C16 November 1992	11.9 °C26 July 1992	22.2 °C	1,851 mm	46
1991	34.0 °C26 December 1991	11.1 °C6 August 1991	22.2 °C	1,842 mm	43
1990	34.7 °C23 January 1990	11.5 °C20 May 1990	22.5 °C	1,317 mm	74
1989	33.5 °C21 February 1989	10.1 °C10 July 1989	22.0 °C	1,731 mm	53
1988	34.6 °C30 January 1988	9.0 °C14 July 1988	22.0 °C	1,740 mm	57
1987	34.1 °C9 January 1987	10.7 °C23 August 1987	22.6 °C	1,929 mm	55
1986	33.0 °C15 April 1986	11.5 °C10 July 1986	22.5 °C	1,237 mm	66
1985	33.6 °C4 February 1985	9.3 °C10 June 1985	21.8 °C	1,859 mm	34
1984	34.4 °C14 January 1984	10.6 °C1 August 1984	22.7 °C	1,491 mm	64
1983	33.1 °C12 March 1983	9.9 °C4 August 1983	22.4 °C	2,062 mm	46
1982	32.7 °C20 November 1982	10.8 °C9 September 1982	22.0 °C	1,526 mm	34
1981	32.7 °C29 September 1981	10.0 °C6 July 1981	21.8 °C	1,803 mm	38
1980	33.1 °C28 October 1980	11.2 °C27 September 1980	22.1 °C	1,609 mm	38
1979	33.8 °C15 December 1979	7.4 °C1 June 1979	21.5 °C	1,975 mm	35
1978	33.4 °C7 December 1978	11.3 °C17 August 1978	21.8 °C	1,662 mm	45
1977	34.1 °C2 November 1977	12.1 °C21 May 1977	22.4 °C	1,378 mm	63
1976	33.4 °C25 January 1976	12.3 °C3 June 1976	22.0 °C	1,729 mm	58
1975	33.2 °C9 December 1975	11.2 °C23 July 1975	21.7 °C	1,713 mm	50
1974	33.5 °C25 February 1974	11.5 °C1 July 1974	22.0 °C	1,281 mm	50
1973	35.2 °C5 January 1973	11.5 °C15 May 1973	22.5 °C	1,819 mm	69
1972	34.3 °C6 January 1972	11.4 °C28 July 1972	22.2 °C	1,572 mm	62
1971	34.7 °C31 January 1971	11.2 °C21 July 1971	21.9 °C	1,688 mm	78
1970	33.1 °C11 March 1970	11.3 °C15 August 1970	21.8 °C	1,071 mm	62
1969	36.1 °C10 January 1969	10.8 °C6 June 1969	22.0 °C	1,451 mm	59
1968	34.3 °C3 November 1968	10.9 °C20 May 1968	20.8 °C	1,231 mm	40
1967	34.6 °C12 October 1967	11.0 °C10 June 1967	22.0 °C	1,794 mm	39
1966	34.0 °C5 December 1966	12.1 °C20 August 1966	21.6 °C	1,775 mm	52
1965	31.9 °C25 October 1965	10.0 °C12 July 1965	21.5 °C	2,155 mm	29
1964	32.2 °C17 February 1964	10.0 °C29 July 1964	20.7 °C	2,221 mm	14
1963	37.0 °C14 October 1963	10.9 °C11 July 1963	22.2 °C	868 mm	95
1962	32.1 °C18 February 1962	10.1 °C13 June 1962	20.8 °C	2,710 mm	11
1961	35.6 °C28 September 1961	12.3 °C16 July 1961	22.0 °C	1,811 mm	58
1960	35.0 °C25 September 1960	10.8 °C5 June 1960	21.0 °C	2,189 mm	23
1959	33.9 °C23 February 1959	11.0 °C13 June 1959	22.0 °C	1,419 mm	61
1958	34.9 °C19 December 1958	10.8 °C21 September 1958	21.7 °C	1,220 mm	66
1957	33.9 °C26 October 1957	9.6 °C22 July 1957	21.4 °C	1,936 mm	32
1956	35.0 °C27 January 1956	10.9 °C6 June 1956	20.9 °C	1,588 mm	60
1955	35.8 °C1 October 1955	12.0 °C14 July 1955	21.4 °C	1,179 mm	60
1954	34.7 °C19 September 1954	10.9 °C13 August 1954	21.7 °C	1,793 mm	47
1953	33.3 °C31 January 1953	10.0 °C29 July 1953	21.7 °C	1,668 mm	31
1952	32.6 °C6 February 1952	12.2 °C9 July 1952	21.4 °C	2,580 mm	16
1951	35.5 °C16 November 1951	11.3 °C12 July 1951	21.1 °C	1,381 mm	60
1950	32.2 °C20 September 1950	11.1 °C4 August 1950	21.2 °C	1,861 mm	31
1949	32.0 °C6 January 1949	10.4 °C27 August 1949	21.0 °C	2,039 mm	21
1948	33.9 °C27 January 1948	11.5 °C12 July 1948	21.4 °C	1,338 mm	60
1947	34.4 °C9 January 1947	10.7 °C4 August 1947	21.2 °C	1,662 mm	46
1946	32.3 °C2 November 1946	10.8 °C27 July 1946	21.9 °C	1,734 mm	39
1945	32.7 °C13 November 1945	12.3 °C12 July 1945	21.8 °C	1,976 mm	32
1944	33.1 °C26 October 1944	12.4 °C13 June 1944	21.3 °C	2,239 mm	23
1943	30.4 °C19 January 1943	10.7 °C20 July 1943	20.3 °C	2,331 mm	2
1942	33.8 °C28 November 1942	8.9 °C22 August 1942	20.7 °C	1,738 mm	25
1941	32.9 °C13 January 1941	10.1 °C23 July 1941	21.4 °C	2,401 mm	17
1940	32.1 °C13 September 1940	11.3 °C10 July 1940	21.8 °C	2,260 mm	31

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

28.1 °C

+1.4 °C

Hot days (≥ 30 °C)

124 d/yr

+55

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1101 mm

-528 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.5 °C	+1.2 °C	212 mm	-27 mm
Feb	33.2 °C	+3.6 °C	9 mm	-166 mm
Mar	30.5 °C	+1.8 °C	174 mm	-13 mm
Apr	27.5 °C	+0.5 °C	124 mm	+21 mm
May	26.3 °C	+1.1 °C	21 mm	-42 mm
Jun	26.2 °C	+1.9 °C	33 mm	-5 mm
Jul	24.5 °C	+0.6 °C	15 mm	-19 mm
Aug	26.3 °C	+1.4 °C	29 mm	-11 mm
Sep	26.2 °C	+0.4 °C	39 mm	-39 mm
Oct	27.0 °C	+0.5 °C	109 mm	-37 mm
Nov	28.2 °C	+1.4 °C	109 mm	-134 mm
Dec	30.8 °C	+2.8 °C	227 mm	-55 mm

The year's extremes

Hottest day

36.6 °C

17 Feb 2025

Coldest day

11.0 °C

22 Oct 2025

Wettest day

40.6 mm

3 Dec 2025

Windiest day

20.4 km/h

10 Dec 2025

Strongest gust

79.2 km/h

8 Nov 2025

Hottest feels-like

41.7 °C

19 Jan 2025

Coldest feels-like

10.4 °C

7 Jul 2025

Sunniest day

13.1 h

30 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 São Fidélis?

São Fidélis has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.1 °C and it receives 1,629 mm of precipitation per year.

What is the hottest day ever recorded in São Fidélis?

The hottest day measured in São Fidélis between 1940 and 2025 was 18 November 2023, reaching 38.4 °C.

What is the coldest day in São Fidélis?

The coldest day measured in São Fidélis between 1940 and 2025 was 1 June 1979, at 7.4 °C.

Does it snow in São Fidélis?

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

Has the climate of São Fidélis warmed?

Yes: São Fidélis warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in São Fidélis?

The wettest day measured in São Fidélis between 1940 and 2025 was 11 November 1981, with 188 mm of rain in 24 hours.

What was the windiest day in São Fidélis?

The windiest day measured in São Fidélis between 1940 and 2025 was 29 December 1990, with winds reaching 23.8 km/h.

What is the warmest month in São Fidélis?

The warmest month in São Fidélis is February (24.9 °C on average); the coldest is July (19.1 °C).

How much does it rain in São Fidélis?

São Fidélis receives on average 1,629 mm of precipitation per year, spread over about 174 rainy days.

Is it sunny in São Fidélis?

São Fidélis gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Are there tropical nights in São Fidélis?

Yes: São Fidélis has on average 127 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in São Fidélis?

In São Fidélis, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 17 November 2023, and the lowest was 4.9 °C on 1 June 1979.

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