Boa Esperança climate — normals and trends

Q: What is the climate of Boa Esperança?

Boa Esperança has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 20.6 °C and it receives 1,357 mm of precipitation per year.

Q: What is the hottest day ever recorded in Boa Esperança?

The hottest day measured in Boa Esperança between 1940 and 2025 was 25 September 2023, reaching 37.3 °C.

Q: What is the coldest day in Boa Esperança?

The coldest day measured in Boa Esperança between 1940 and 2025 was 1 June 1979, at 3.2 °C.

Q: Does it snow in Boa Esperança?

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

Q: Has the climate of Boa Esperança warmed?

Yes: Boa Esperança warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Boa Esperança?

The wettest day measured in Boa Esperança between 1940 and 2025 was 2 January 1997, with 136 mm of rain in 24 hours.

Q: What was the windiest day in Boa Esperança?

The windiest day measured in Boa Esperança between 1940 and 2025 was 18 May 2022, with winds reaching 27.7 km/h.

Q: What is the warmest month in Boa Esperança?

The warmest month in Boa Esperança is February (22.9 °C on average); the coldest is July (17.3 °C).

Q: How much does it rain in Boa Esperança?

Boa Esperança receives on average 1,357 mm of precipitation per year, spread over about 150 rainy days.

Q: Is it sunny in Boa Esperança?

Boa Esperança gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Boa Esperança (Brazil) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 20.6 °C and it receives 1,357 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 (22.9 °C on average) and the coldest is July (17.3 °C). Rainfall peaks in December.

Boa Esperança averages 0 frost days, 29 hot days (≥ 30 °C) and 150 rainy days per year.

Boa Esperança has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.3 °C (on 25 September 2023) and the coldest 3.2 °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

Boa EsperançaMinas Gerais

coords: -21.09°, -45.57°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthFebruaryColdest monthJulyWettest monthDecemberDriest monthJuly

Mean daily temperature

20.6°C

Average daily high

25.8°C

Average daily low

16.3°C

Annual rainfall

1,357mm

Sunshine / day

9.8h

Mean relative humidity

75%

Average peak wind

12.0km/h

Seasonal range

5.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

29 d/yr

Rainy days (≥ 1 mm)

150 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.6 °C

Average feels-like low

16.9 °C

Average peak gust

29.4 km/h

Tropical nights (≥ 20 °C)

30 d/yr

Solar radiation

17.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °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

37.3 °C

25 September 2023

Coldest day

3.2 °C

1 June 1979

Wettest day

136 mm

2 January 1997

Windiest day

27.7 km/h

18 May 2022

Strongest gust

75.6 km/h

3 January 2000

Hottest feels-like

39.3 °C

29 October 2007

Coldest feels-like

0.0 °C

20 July 2021

Sunniest day

13.3 h

16 December 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.6 °C7 October 2025	6.4 °C25 June 2025	21.3 °C	931 mm	80
2024	35.5 °C8 October 2024	6.7 °C13 August 2024	22.1 °C	1,229 mm	83
2023	37.3 °C25 September 2023	8.2 °C5 July 2023	21.7 °C	1,120 mm	76
2022	33.2 °C10 September 2022	6.5 °C21 May 2022	20.8 °C	1,287 mm	38
2021	34.5 °C21 September 2021	3.4 °C20 July 2021	21.0 °C	1,121 mm	50
2020	36.2 °C30 September 2020	6.5 °C27 May 2020	21.2 °C	1,173 mm	60
2019	34.4 °C13 September 2019	6.8 °C7 July 2019	21.8 °C	1,074 mm	75
2018	32.6 °C24 September 2018	8.2 °C21 May 2018	21.5 °C	1,106 mm	49
2017	34.2 °C14 October 2017	9.3 °C4 July 2017	21.5 °C	809 mm	64
2016	35.3 °C19 October 2016	7.7 °C18 July 2016	21.7 °C	1,356 mm	68
2015	35.5 °C16 October 2015	10.5 °C29 June 2015	22.0 °C	1,238 mm	91
2014	35.9 °C15 October 2014	8.4 °C7 August 2014	21.8 °C	807 mm	88
2013	33.2 °C11 November 2013	8.3 °C28 August 2013	20.8 °C	1,357 mm	39
2012	34.3 °C31 October 2012	6.6 °C20 July 2012	21.1 °C	1,129 mm	47
2011	32.2 °C30 January 2011	6.7 °C5 August 2011	20.8 °C	1,328 mm	34
2010	32.2 °C16 February 2010	6.4 °C13 June 2010	21.0 °C	1,138 mm	51
2009	32.0 °C16 November 2009	6.9 °C3 June 2009	21.3 °C	1,495 mm	31
2008	33.1 °C16 October 2008	6.7 °C14 July 2008	20.8 °C	1,633 mm	37
2007	35.0 °C17 October 2007	6.9 °C30 July 2007	21.5 °C	1,147 mm	59
2006	33.5 °C25 January 2006	8.7 °C6 September 2006	20.9 °C	1,133 mm	22
2005	33.0 °C17 October 2005	8.2 °C10 July 2005	21.0 °C	1,256 mm	26
2004	31.7 °C29 September 2004	8.0 °C24 July 2004	20.5 °C	1,372 mm	19
2003	33.1 °C25 September 2003	9.0 °C4 July 2003	21.1 °C	1,227 mm	38
2002	33.6 °C13 October 2002	7.8 °C3 September 2002	21.7 °C	1,287 mm	56
2001	31.6 °C2 February 2001	8.6 °C28 June 2001	21.0 °C	1,108 mm	28
2000	33.9 °C21 October 2000	4.7 °C18 July 2000	20.6 °C	1,226 mm	26
1999	32.4 °C22 January 1999	8.1 °C22 May 1999	20.5 °C	1,184 mm	34
1998	32.3 °C1 January 1998	7.1 °C13 July 1998	21.0 °C	1,301 mm	38
1997	33.4 °C11 November 1997	5.6 °C9 June 1997	21.0 °C	1,524 mm	40
1996	32.2 °C25 January 1996	7.9 °C30 June 1996	20.7 °C	1,482 mm	44
1995	34.2 °C18 January 1995	9.2 °C10 June 1995	21.1 °C	1,597 mm	57
1994	33.3 °C3 October 1994	4.0 °C28 June 1994	21.3 °C	1,284 mm	54
1993	32.6 °C1 September 1993	7.6 °C20 June 1993	21.2 °C	1,115 mm	32
1992	30.7 °C14 November 1992	9.3 °C27 July 1992	20.7 °C	1,546 mm	5
1991	30.8 °C16 November 1991	8.6 °C8 July 1991	20.7 °C	1,604 mm	9
1990	32.7 °C9 February 1990	7.0 °C20 May 1990	21.2 °C	1,085 mm	39
1989	30.5 °C31 January 1989	5.9 °C19 July 1989	20.4 °C	1,439 mm	6
1988	33.3 °C28 September 1988	5.0 °C6 June 1988	20.7 °C	1,379 mm	32
1987	33.1 °C17 October 1987	6.0 °C8 August 1987	21.2 °C	1,262 mm	32
1986	34.1 °C18 October 1986	6.9 °C5 June 1986	20.9 °C	1,175 mm	26
1985	32.1 °C15 October 1985	4.3 °C9 June 1985	20.5 °C	1,379 mm	19
1984	32.9 °C14 January 1984	8.5 °C27 August 1984	21.4 °C	1,119 mm	42
1983	30.4 °C18 February 1983	7.2 °C4 August 1983	20.6 °C	1,863 mm	6
1982	31.3 °C24 November 1982	10.0 °C27 July 1982	20.5 °C	1,698 mm	14
1981	31.9 °C4 March 1981	4.9 °C22 July 1981	20.3 °C	1,318 mm	12
1980	33.1 °C28 October 1980	8.6 °C20 June 1980	20.8 °C	1,240 mm	15
1979	31.9 °C7 December 1979	3.2 °C1 June 1979	20.2 °C	1,566 mm	14
1978	31.8 °C21 January 1978	4.5 °C16 August 1978	20.4 °C	1,292 mm	15
1977	32.5 °C2 March 1977	7.2 °C18 May 1977	21.0 °C	1,218 mm	22
1976	32.0 °C13 January 1976	6.8 °C6 July 1976	20.2 °C	1,595 mm	9
1975	31.3 °C18 February 1975	5.4 °C8 July 1975	20.4 °C	1,242 mm	17
1974	31.9 °C30 August 1974	7.0 °C5 July 1974	20.5 °C	1,175 mm	29
1973	32.3 °C19 September 1973	7.2 °C30 July 1973	21.2 °C	1,242 mm	35
1972	32.1 °C26 October 1972	5.4 °C9 July 1972	20.6 °C	1,270 mm	13
1971	32.9 °C26 January 1971	7.3 °C19 July 1971	20.4 °C	1,151 mm	27
1970	32.1 °C24 December 1970	8.1 °C14 August 1970	20.8 °C	837 mm	17
1969	32.4 °C8 January 1969	7.2 °C11 July 1969	21.0 °C	1,027 mm	36
1968	32.1 °C31 October 1968	6.9 °C15 July 1968	19.7 °C	866 mm	22
1967	31.9 °C1 March 1967	7.5 °C20 July 1967	20.8 °C	1,244 mm	18
1966	33.3 °C16 September 1966	9.1 °C28 May 1966	20.1 °C	1,735 mm	8
1965	30.4 °C19 September 1965	4.2 °C12 July 1965	19.7 °C	1,847 mm	6
1964	30.4 °C2 September 1964	6.9 °C28 July 1964	19.3 °C	1,813 mm	1
1963	35.9 °C18 October 1963	7.7 °C23 June 1963	21.2 °C	914 mm	57
1962	31.0 °C12 September 1962	6.6 °C27 July 1962	19.3 °C	2,036 mm	4
1961	35.3 °C28 September 1961	10.0 °C7 August 1961	21.0 °C	1,449 mm	48
1960	34.8 °C25 September 1960	6.7 °C14 July 1960	19.7 °C	1,709 mm	10
1959	31.5 °C23 September 1959	8.5 °C8 June 1959	20.6 °C	1,097 mm	20
1958	32.8 °C17 November 1958	8.3 °C23 June 1958	20.2 °C	996 mm	27
1957	33.2 °C20 October 1957	5.5 °C21 July 1957	19.9 °C	1,461 mm	15
1956	31.9 °C1 February 1956	6.5 °C17 August 1956	19.4 °C	1,151 mm	17
1955	33.9 °C2 October 1955	8.2 °C23 May 1955	20.5 °C	1,016 mm	29
1954	33.2 °C19 September 1954	9.2 °C21 June 1954	20.3 °C	1,660 mm	19
1953	30.2 °C22 August 1953	8.8 °C28 July 1953	20.0 °C	1,620 mm	1
1952	32.0 °C4 September 1952	6.7 °C16 July 1952	19.9 °C	1,785 mm	10
1951	32.4 °C20 November 1951	8.0 °C3 June 1951	19.8 °C	1,306 mm	11
1950	32.1 °C20 September 1950	8.2 °C15 July 1950	19.7 °C	1,631 mm	4
1949	31.7 °C13 October 1949	8.5 °C3 July 1949	19.9 °C	1,718 mm	13
1948	33.4 °C27 September 1948	8.8 °C16 June 1948	20.3 °C	1,139 mm	13
1947	31.7 °C9 January 1947	8.2 °C8 July 1947	19.7 °C	1,597 mm	13
1946	29.9 °C6 September 1946	7.6 °C27 July 1946	20.2 °C	1,396 mm	0
1945	30.3 °C30 August 1945	8.8 °C26 June 1945	19.9 °C	2,074 mm	1
1944	31.3 °C31 August 1944	8.6 °C13 July 1944	19.8 °C	1,898 mm	10
1943	28.4 °C17 January 1943	8.0 °C7 September 1943	18.6 °C	1,874 mm	0
1942	33.5 °C28 November 1942	4.5 °C24 June 1942	19.4 °C	1,177 mm	17
1941	30.6 °C13 January 1941	9.7 °C12 July 1941	19.8 °C	2,127 mm	1
1940	30.5 °C25 August 1940	10.5 °C19 August 1940	20.0 °C	2,030 mm	4

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

27.1 °C

+1.3 °C

Hot days (≥ 30 °C)

80 d/yr

+51

Frost days (< 0 °C)

0 d/yr

Annual rainfall

931 mm

-426 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.3 °C	+1.1 °C	275 mm	+39 mm
Feb	29.8 °C	+2.4 °C	57 mm	-114 mm
Mar	29.0 °C	+2.1 °C	121 mm	-36 mm
Apr	26.3 °C	+0.6 °C	97 mm	+32 mm
May	24.3 °C	+0.5 °C	5 mm	-37 mm
Jun	24.0 °C	+1.1 °C	6 mm	-16 mm
Jul	24.0 °C	+0.9 °C	3 mm	-14 mm
Aug	26.1 °C	+0.9 °C	7 mm	-13 mm
Sep	28.7 °C	+1.8 °C	11 mm	-48 mm
Oct	28.0 °C	+1.0 °C	91 mm	-36 mm
Nov	28.4 °C	+1.9 °C	89 mm	-100 mm
Dec	29.1 °C	+2.5 °C	169 mm	-82 mm

The year's extremes

Hottest day

34.6 °C

7 Oct 2025

Coldest day

6.4 °C

25 Jun 2025

Wettest day

38.9 mm

19 Mar 2025

Windiest day

25.8 km/h

10 Dec 2025

Strongest gust

64.4 km/h

10 Dec 2025

Hottest feels-like

38.6 °C

29 Dec 2025

Coldest feels-like

4.1 °C

25 Jun 2025

Sunniest day

13.3 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 Boa Esperança?

Boa Esperança has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 20.6 °C and it receives 1,357 mm of precipitation per year.

What is the hottest day ever recorded in Boa Esperança?

The hottest day measured in Boa Esperança between 1940 and 2025 was 25 September 2023, reaching 37.3 °C.

What is the coldest day in Boa Esperança?

The coldest day measured in Boa Esperança between 1940 and 2025 was 1 June 1979, at 3.2 °C.

Does it snow in Boa Esperança?

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

Has the climate of Boa Esperança warmed?

Yes: Boa Esperança warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Boa Esperança?

The wettest day measured in Boa Esperança between 1940 and 2025 was 2 January 1997, with 136 mm of rain in 24 hours.

What was the windiest day in Boa Esperança?

The windiest day measured in Boa Esperança between 1940 and 2025 was 18 May 2022, with winds reaching 27.7 km/h.

What is the warmest month in Boa Esperança?

The warmest month in Boa Esperança is February (22.9 °C on average); the coldest is July (17.3 °C).

How much does it rain in Boa Esperança?

Boa Esperança receives on average 1,357 mm of precipitation per year, spread over about 150 rainy days.

Is it sunny in Boa Esperança?

Boa Esperança gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Are there tropical nights in Boa Esperança?

Yes: Boa Esperança has on average 30 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Boa Esperança?

In Boa Esperança, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 29 October 2007, and the lowest was 0.0 °C on 20 July 2021.

Compare Boa Esperança with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Boa Esperança

Other cities — Brazil

All cities in Brazil →