São João Nepomuceno climate — normals and trends

Q: What is the climate of São João Nepomuceno?

São João Nepomuceno has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 21.5 °C and it receives 1,577 mm of precipitation per year.

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

The hottest day measured in São João Nepomuceno between 1940 and 2025 was 30 September 1963, reaching 37.6 °C.

Q: What is the coldest day in São João Nepomuceno?

The coldest day measured in São João Nepomuceno between 1940 and 2025 was 1 June 1979, at 4.6 °C.

Q: Does it snow in São João Nepomuceno?

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

Q: Has the climate of São João Nepomuceno warmed?

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

Q: What is the wettest day in São João Nepomuceno?

The wettest day measured in São João Nepomuceno between 1940 and 2025 was 22 March 1991, with 180 mm of rain in 24 hours.

Q: What was the windiest day in São João Nepomuceno?

The windiest day measured in São João Nepomuceno between 1940 and 2025 was 29 December 1990, with winds reaching 28.5 km/h.

Q: What is the warmest month in São João Nepomuceno?

The warmest month in São João Nepomuceno is February (24.3 °C on average); the coldest is July (18.0 °C).

Q: How much does it rain in São João Nepomuceno?

São João Nepomuceno receives on average 1,577 mm of precipitation per year, spread over about 160 rainy days.

Q: Is it sunny in São João Nepomuceno?

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

São João Nepomuceno (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 21.5 °C and it receives 1,577 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 (24.3 °C on average) and the coldest is July (18.0 °C). Rainfall peaks in December.

São João Nepomuceno averages 0 frost days, 59 hot days (≥ 30 °C) and 160 rainy days per year.

São João Nepomuceno has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.6 °C (on 30 September 1963) and the coldest 4.6 °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 João NepomucenoMinas Gerais

coords: -21.54°, -43.01°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthFebruaryColdest monthJulyWettest monthDecemberDriest monthJuly

Mean daily temperature

21.5°C

Average daily high

26.4°C

Average daily low

17.4°C

Annual rainfall

1,577mm

Sunshine / day

8.9h

Mean relative humidity

79%

Average peak wind

11.3km/h

Seasonal range

6.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

59 d/yr

Rainy days (≥ 1 mm)

160 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.8 °C

Average feels-like low

19.0 °C

Average peak gust

29.1 km/h

Tropical nights (≥ 20 °C)

95 d/yr

Solar radiation

16.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.62 · 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

37.6 °C

30 September 1963

Coldest day

4.6 °C

1 June 1979

Wettest day

180 mm

22 March 1991

Windiest day

28.5 km/h

29 December 1990

Strongest gust

80.6 km/h

11 October 1972

Hottest feels-like

42.0 °C

17 January 1995

Coldest feels-like

1.7 °C

1 June 1979

Sunniest day

13.3 h

30 December 2007

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.8 °C21 January 2025	7.3 °C31 July 2025	21.9 °C	1,026 mm	84
2024	34.9 °C17 March 2024	9.8 °C14 August 2024	22.8 °C	1,280 mm	118
2023	36.3 °C18 November 2023	8.2 °C7 July 2023	22.4 °C	1,378 mm	113
2022	34.4 °C10 September 2022	8.2 °C21 May 2022	21.6 °C	1,470 mm	72
2021	35.6 °C21 September 2021	6.9 °C31 July 2021	21.5 °C	1,286 mm	72
2020	36.3 °C3 October 2020	8.4 °C27 May 2020	21.8 °C	1,607 mm	74
2019	35.7 °C3 February 2019	8.1 °C7 July 2019	22.5 °C	1,101 mm	115
2018	34.1 °C12 March 2018	7.8 °C21 May 2018	22.3 °C	1,781 mm	92
2017	34.5 °C25 December 2017	9.4 °C4 July 2017	22.0 °C	939 mm	90
2016	35.0 °C10 February 2016	6.4 °C14 June 2016	22.5 °C	1,519 mm	122
2015	36.3 °C16 October 2015	10.0 °C9 June 2015	22.8 °C	1,054 mm	136
2014	34.8 °C1 January 2014	7.2 °C8 August 2014	22.2 °C	987 mm	99
2013	35.2 °C12 November 2013	9.0 °C8 July 2013	21.7 °C	1,520 mm	79
2012	35.5 °C31 October 2012	8.9 °C29 September 2012	21.9 °C	1,316 mm	89
2011	34.1 °C23 February 2011	8.7 °C4 September 2011	21.5 °C	1,485 mm	78
2010	35.5 °C16 February 2010	7.9 °C13 June 2010	22.1 °C	1,333 mm	115
2009	34.4 °C3 March 2009	9.1 °C15 June 2009	22.3 °C	1,774 mm	97
2008	34.0 °C4 March 2008	9.5 °C18 July 2008	21.6 °C	1,749 mm	72
2007	36.1 °C24 September 2007	7.0 °C30 July 2007	22.2 °C	1,315 mm	108
2006	36.4 °C26 January 2006	10.1 °C31 August 2006	22.1 °C	1,164 mm	85
2005	34.2 °C26 October 2005	10.4 °C9 July 2005	22.1 °C	1,566 mm	85
2004	34.3 °C29 September 2004	9.9 °C11 August 2004	21.6 °C	2,011 mm	68
2003	34.2 °C10 January 2003	10.2 °C18 August 2003	22.0 °C	1,434 mm	93
2002	34.0 °C17 October 2002	11.6 °C25 May 2002	22.6 °C	1,791 mm	111
2001	33.6 °C4 October 2001	10.0 °C5 July 2001	22.0 °C	1,281 mm	90
2000	34.1 °C15 January 2000	6.6 °C18 July 2000	21.3 °C	1,390 mm	63
1999	33.8 °C20 January 1999	9.0 °C24 September 1999	21.1 °C	1,450 mm	67
1998	34.4 °C5 February 1998	8.4 °C9 June 1998	21.9 °C	1,336 mm	83
1997	36.2 °C9 September 1997	8.0 °C9 June 1997	22.1 °C	1,750 mm	103
1996	34.3 °C31 January 1996	8.2 °C5 August 1996	21.4 °C	1,785 mm	83
1995	36.3 °C17 January 1995	8.0 °C7 June 1995	22.0 °C	1,640 mm	96
1994	35.3 °C17 February 1994	7.3 °C28 June 1994	22.1 °C	1,356 mm	93
1993	33.9 °C18 November 1993	8.7 °C22 June 1993	22.2 °C	1,536 mm	95
1992	33.4 °C6 April 1992	9.4 °C27 July 1992	21.7 °C	1,829 mm	46
1991	33.8 °C13 December 1991	9.7 °C5 August 1991	21.6 °C	1,960 mm	46
1990	33.8 °C23 January 1990	9.6 °C20 May 1990	21.9 °C	1,153 mm	65
1989	32.7 °C21 February 1989	7.9 °C22 July 1989	21.5 °C	1,413 mm	41
1988	35.8 °C30 January 1988	6.9 °C16 July 1988	21.4 °C	1,564 mm	53
1987	34.1 °C9 January 1987	8.5 °C27 May 1987	22.0 °C	1,596 mm	62
1986	32.9 °C19 January 1986	8.6 °C13 July 1986	21.9 °C	1,277 mm	52
1985	33.2 °C4 February 1985	7.3 °C9 June 1985	21.3 °C	1,761 mm	33
1984	33.9 °C17 January 1984	7.9 °C1 August 1984	22.0 °C	1,317 mm	68
1983	32.7 °C9 January 1983	7.0 °C6 August 1983	21.7 °C	2,032 mm	33
1982	32.3 °C30 October 1982	10.5 °C6 May 1982	21.4 °C	1,612 mm	26
1981	33.1 °C29 September 1981	6.8 °C22 July 1981	21.1 °C	1,543 mm	40
1980	32.4 °C30 October 1980	9.1 °C27 September 1980	21.6 °C	1,459 mm	39
1979	32.7 °C16 December 1979	4.6 °C1 June 1979	20.9 °C	2,043 mm	25
1978	32.4 °C7 December 1978	7.1 °C2 June 1978	21.2 °C	1,668 mm	39
1977	33.3 °C6 December 1977	7.9 °C21 May 1977	21.8 °C	1,624 mm	56
1976	33.7 °C12 January 1976	10.1 °C3 June 1976	21.3 °C	1,668 mm	43
1975	33.4 °C14 February 1975	7.7 °C7 July 1975	21.2 °C	1,605 mm	54
1974	33.1 °C21 February 1974	7.6 °C17 July 1974	21.3 °C	1,242 mm	45
1973	35.3 °C11 February 1973	9.5 °C22 June 1973	21.9 °C	1,649 mm	72
1972	34.2 °C6 January 1972	8.1 °C22 June 1972	21.5 °C	1,599 mm	54
1971	33.8 °C31 January 1971	8.1 °C10 June 1971	21.3 °C	1,513 mm	69
1970	33.0 °C18 November 1970	8.9 °C7 July 1970	21.4 °C	1,206 mm	56
1969	34.2 °C17 February 1969	9.2 °C19 July 1969	21.5 °C	1,280 mm	68
1968	34.0 °C3 November 1968	8.4 °C27 May 1968	20.3 °C	1,099 mm	36
1967	33.7 °C12 October 1967	8.4 °C21 July 1967	21.5 °C	1,701 mm	38
1966	33.8 °C5 December 1966	9.8 °C25 May 1966	20.9 °C	1,700 mm	34
1965	31.8 °C21 December 1965	7.9 °C12 July 1965	20.8 °C	2,232 mm	26
1964	31.6 °C18 February 1964	7.7 °C16 July 1964	20.0 °C	1,934 mm	6
1963	37.6 °C30 September 1963	8.4 °C13 July 1963	21.8 °C	814 mm	87
1962	31.4 °C18 February 1962	8.0 °C18 June 1962	20.0 °C	2,051 mm	8
1961	37.2 °C29 September 1961	9.4 °C16 July 1961	21.5 °C	1,874 mm	48
1960	34.7 °C25 September 1960	7.7 °C5 June 1960	20.3 °C	1,948 mm	20
1959	32.5 °C26 February 1959	9.1 °C13 June 1959	21.2 °C	1,495 mm	33
1958	34.0 °C19 December 1958	8.9 °C22 September 1958	21.0 °C	1,112 mm	51
1957	33.2 °C26 October 1957	6.7 °C23 July 1957	20.9 °C	1,927 mm	20
1956	33.5 °C27 January 1956	7.1 °C18 August 1956	20.2 °C	1,305 mm	40
1955	34.5 °C1 October 1955	9.9 °C5 August 1955	20.9 °C	1,155 mm	54
1954	35.3 °C19 September 1954	10.1 °C12 August 1954	21.1 °C	1,884 mm	47
1953	32.3 °C2 February 1953	7.8 °C29 July 1953	21.0 °C	1,834 mm	19
1952	32.2 °C31 January 1952	10.2 °C16 July 1952	20.8 °C	2,365 mm	15
1951	34.4 °C25 November 1951	8.7 °C15 August 1951	20.6 °C	1,137 mm	47
1950	33.8 °C6 September 1950	9.5 °C30 June 1950	20.5 °C	1,784 mm	27
1949	31.6 °C6 October 1949	9.4 °C4 July 1949	20.4 °C	1,942 mm	21
1948	32.9 °C27 January 1948	9.4 °C1 September 1948	20.8 °C	1,161 mm	51
1947	35.0 °C10 January 1947	8.0 °C4 August 1947	20.6 °C	1,885 mm	36
1946	32.1 °C3 November 1946	9.0 °C29 July 1946	21.3 °C	1,640 mm	27
1945	32.9 °C30 August 1945	10.0 °C14 July 1945	21.1 °C	1,937 mm	23
1944	33.8 °C2 October 1944	9.8 °C22 August 1944	20.6 °C	2,091 mm	20
1943	29.9 °C19 January 1943	8.9 °C25 July 1943	19.6 °C	1,903 mm	0
1942	34.8 °C7 October 1942	6.1 °C24 June 1942	20.1 °C	1,629 mm	19
1941	32.8 °C13 January 1941	9.6 °C12 July 1941	20.7 °C	2,571 mm	14
1940	32.2 °C26 August 1940	10.5 °C28 September 1940	21.0 °C	2,475 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

26.9 °C

+0.5 °C

Hot days (≥ 30 °C)

84 d/yr

+25

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1026 mm

-551 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.4 °C	+0.6 °C	243 mm	-11 mm
Feb	31.1 °C	+1.9 °C	7 mm	-172 mm
Mar	29.3 °C	+0.9 °C	125 mm	-56 mm
Apr	26.7 °C	+0.1 °C	122 mm	+32 mm
May	24.8 °C	+0.2 °C	7 mm	-38 mm
Jun	24.4 °C	+0.8 °C	4 mm	-20 mm
Jul	23.2 °C	-0.2 °C	6 mm	-16 mm
Aug	24.6 °C	-0.1 °C	16 mm	-14 mm
Sep	25.7 °C	-0.2 °C	30 mm	-45 mm
Oct	26.5 °C	-0.1 °C	73 mm	-84 mm
Nov	28.0 °C	+1.2 °C	115 mm	-126 mm
Dec	30.0 °C	+2.2 °C	277 mm	-2 mm

The year's extremes

Hottest day

34.8 °C

21 Jan 2025

Coldest day

7.3 °C

31 Jul 2025

Wettest day

41.6 mm

3 Dec 2025

Windiest day

25.7 km/h

19 Oct 2025

Strongest gust

73.1 km/h

10 Dec 2025

Hottest feels-like

41.2 °C

29 Dec 2025

Coldest feels-like

5.5 °C

31 Jul 2025

Sunniest day

13.2 h

28 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 João Nepomuceno?

São João Nepomuceno has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 21.5 °C and it receives 1,577 mm of precipitation per year.

What is the hottest day ever recorded in São João Nepomuceno?

The hottest day measured in São João Nepomuceno between 1940 and 2025 was 30 September 1963, reaching 37.6 °C.

What is the coldest day in São João Nepomuceno?

The coldest day measured in São João Nepomuceno between 1940 and 2025 was 1 June 1979, at 4.6 °C.

Does it snow in São João Nepomuceno?

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

Has the climate of São João Nepomuceno warmed?

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

What is the wettest day in São João Nepomuceno?

The wettest day measured in São João Nepomuceno between 1940 and 2025 was 22 March 1991, with 180 mm of rain in 24 hours.

What was the windiest day in São João Nepomuceno?

The windiest day measured in São João Nepomuceno between 1940 and 2025 was 29 December 1990, with winds reaching 28.5 km/h.

What is the warmest month in São João Nepomuceno?

The warmest month in São João Nepomuceno is February (24.3 °C on average); the coldest is July (18.0 °C).

How much does it rain in São João Nepomuceno?

São João Nepomuceno receives on average 1,577 mm of precipitation per year, spread over about 160 rainy days.

Is it sunny in São João Nepomuceno?

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

Are there tropical nights in São João Nepomuceno?

Yes: São João Nepomuceno has on average 95 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in São João Nepomuceno?

In São João Nepomuceno, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 17 January 1995, and the lowest was 1.7 °C on 1 June 1979.

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