Cássia climate — normals and trends

Q: What is the climate of Cássia?

Cássia has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 21.7 °C and it receives 1,180 mm of precipitation per year.

Q: What is the hottest day ever recorded in Cássia?

The hottest day measured in Cássia between 1940 and 2025 was 15 October 2015, reaching 37.1 °C.

Q: What is the coldest day in Cássia?

The coldest day measured in Cássia between 1940 and 2025 was 21 July 1981, at 4.2 °C.

Q: Does it snow in Cássia?

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

Q: Has the climate of Cássia warmed?

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

Q: What is the wettest day in Cássia?

The wettest day measured in Cássia between 1940 and 2025 was 3 January 1961, with 137 mm of rain in 24 hours.

Q: What was the windiest day in Cássia?

The windiest day measured in Cássia between 1940 and 2025 was 30 October 1994, with winds reaching 27.4 km/h.

Q: What is the warmest month in Cássia?

The warmest month in Cássia is February (23.5 °C on average); the coldest is July (18.4 °C).

Q: How much does it rain in Cássia?

Cássia receives on average 1,180 mm of precipitation per year, spread over about 145 rainy days.

Q: Is it sunny in Cássia?

Cássia gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Cássia (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 21.7 °C and it receives 1,180 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 (23.5 °C on average) and the coldest is July (18.4 °C). Rainfall peaks in December.

Cássia averages 0 frost days, 39 hot days (≥ 30 °C) and 145 rainy days per year.

Cássia 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 37.1 °C (on 15 October 2015) and the coldest 4.2 °C (on 21 July 1981).

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

CássiaMinas Gerais

coords: -20.58°, -46.92°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthFebruaryColdest monthJulyWettest monthDecemberDriest monthAugust

Mean daily temperature

21.7°C

Average daily high

26.4°C

Average daily low

17.8°C

Annual rainfall

1,180mm

Sunshine / day

10.1h

Mean relative humidity

74%

Average peak wind

11.6km/h

Seasonal range

5.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

39 d/yr

Rainy days (≥ 1 mm)

145 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.3 °C

Average feels-like low

19.1 °C

Average peak gust

27.7 km/h

Tropical nights (≥ 20 °C)

91 d/yr

Solar radiation

18.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.61 · 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

37.1 °C

15 October 2015

Coldest day

4.2 °C

21 July 1981

Wettest day

137 mm

3 January 1961

Windiest day

27.4 km/h

30 October 1994

Strongest gust

70.9 km/h

30 July 1989

Hottest feels-like

40.8 °C

15 November 2023

Coldest feels-like

1.4 °C

21 July 1981

Sunniest day

13.3 h

21 December 1951

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.4 °C26 December 2025	6.8 °C25 June 2025	22.1 °C	742 mm	81
2024	35.7 °C8 October 2024	6.1 °C11 August 2024	23.0 °C	1,031 mm	93
2023	36.4 °C14 November 2023	8.7 °C15 July 2023	22.5 °C	1,037 mm	91
2022	31.8 °C9 December 2022	6.2 °C18 May 2022	21.5 °C	992 mm	38
2021	35.2 °C20 September 2021	4.7 °C30 July 2021	22.0 °C	965 mm	69
2020	36.1 °C6 October 2020	7.9 °C27 May 2020	22.1 °C	1,044 mm	59
2019	34.9 °C11 September 2019	7.0 °C7 July 2019	22.9 °C	1,030 mm	91
2018	34.2 °C24 September 2018	10.1 °C11 July 2018	22.7 °C	1,005 mm	61
2017	35.4 °C14 October 2017	10.2 °C4 July 2017	22.6 °C	833 mm	80
2016	33.9 °C18 September 2016	8.2 °C18 July 2016	22.7 °C	1,216 mm	94
2015	37.1 °C15 October 2015	12.3 °C28 June 2015	23.1 °C	1,209 mm	101
2014	36.2 °C14 October 2014	11.7 °C28 May 2014	22.9 °C	785 mm	104
2013	33.7 °C28 September 2013	7.4 °C26 July 2013	21.8 °C	1,203 mm	46
2012	35.3 °C29 October 2012	9.1 °C27 September 2012	22.1 °C	1,078 mm	57
2011	33.2 °C7 September 2011	7.9 °C4 August 2011	22.0 °C	1,216 mm	41
2010	33.5 °C29 October 2010	9.8 °C6 June 2010	22.1 °C	1,152 mm	61
2009	32.3 °C18 September 2009	8.4 °C3 June 2009	22.3 °C	1,348 mm	44
2008	34.0 °C26 October 2008	10.2 °C17 July 2008	21.9 °C	1,225 mm	39
2007	33.9 °C12 October 2007	9.8 °C26 July 2007	22.5 °C	1,161 mm	66
2006	33.8 °C15 September 2006	10.5 °C28 June 2006	21.9 °C	1,056 mm	39
2005	34.2 °C17 October 2005	10.4 °C10 July 2005	22.0 °C	1,147 mm	39
2004	33.7 °C9 October 2004	10.0 °C25 July 2004	21.6 °C	1,247 mm	34
2003	35.6 °C25 September 2003	11.2 °C18 August 2003	22.0 °C	1,013 mm	49
2002	35.1 °C16 October 2002	10.5 °C3 September 2002	22.8 °C	859 mm	66
2001	32.6 °C10 September 2001	10.1 °C28 June 2001	22.1 °C	947 mm	60
2000	33.9 °C22 October 2000	7.2 °C17 July 2000	21.7 °C	1,216 mm	40
1999	34.0 °C7 September 1999	10.3 °C22 May 1999	21.7 °C	1,037 mm	49
1998	33.7 °C1 February 1998	10.9 °C8 June 1998	22.1 °C	1,085 mm	64
1997	34.6 °C10 November 1997	7.9 °C9 June 1997	22.0 °C	1,341 mm	62
1996	32.6 °C26 January 1996	8.7 °C30 June 1996	21.7 °C	1,368 mm	54
1995	34.8 °C12 September 1995	11.5 °C8 June 1995	22.1 °C	1,309 mm	68
1994	33.8 °C2 October 1994	4.6 °C10 July 1994	22.2 °C	1,123 mm	67
1993	33.7 °C30 November 1993	9.5 °C20 June 1993	21.9 °C	1,092 mm	39
1992	30.9 °C8 January 1992	11.6 °C14 August 1992	21.5 °C	1,461 mm	10
1991	31.3 °C13 September 1991	11.3 °C17 August 1991	21.7 °C	1,324 mm	21
1990	33.3 °C11 October 1990	7.5 °C19 May 1990	22.2 °C	990 mm	65
1989	31.6 °C24 September 1989	8.8 °C10 July 1989	21.4 °C	1,237 mm	14
1988	34.0 °C23 September 1988	7.1 °C5 June 1988	21.8 °C	1,099 mm	35
1987	33.2 °C18 October 1987	8.1 °C9 August 1987	22.1 °C	1,027 mm	46
1986	33.5 °C7 October 1986	9.4 °C2 June 1986	21.7 °C	1,156 mm	32
1985	33.0 °C17 November 1985	4.6 °C9 June 1985	21.5 °C	1,086 mm	35
1984	33.1 °C15 January 1984	9.9 °C27 August 1984	22.4 °C	942 mm	56
1983	32.1 °C11 March 1983	8.7 °C4 August 1983	21.5 °C	1,761 mm	10
1982	32.6 °C5 November 1982	11.8 °C28 May 1982	21.5 °C	1,413 mm	21
1981	33.5 °C20 September 1981	4.2 °C21 July 1981	21.4 °C	1,057 mm	27
1980	33.5 °C21 October 1980	9.0 °C15 June 1980	21.9 °C	981 mm	25
1979	32.7 °C7 December 1979	4.6 °C1 June 1979	21.3 °C	1,124 mm	25
1978	32.2 °C30 January 1978	8.0 °C15 August 1978	21.6 °C	1,051 mm	32
1977	33.1 °C2 March 1977	7.2 °C18 May 1977	22.1 °C	958 mm	39
1976	32.6 °C19 January 1976	9.9 °C6 July 1976	21.2 °C	1,366 mm	14
1975	32.2 °C2 October 1975	7.1 °C18 July 1975	21.6 °C	934 mm	38
1974	32.8 °C27 November 1974	9.5 °C30 June 1974	21.6 °C	1,114 mm	38
1973	33.8 °C18 September 1973	8.5 °C20 June 1973	22.2 °C	1,021 mm	50
1972	34.1 °C26 October 1972	6.8 °C9 July 1972	21.7 °C	1,163 mm	18
1971	32.5 °C25 January 1971	10.1 °C19 July 1971	21.5 °C	964 mm	33
1970	33.6 °C24 December 1970	11.2 °C14 August 1970	21.8 °C	751 mm	34
1969	33.6 °C8 January 1969	8.9 °C11 July 1969	22.3 °C	774 mm	66
1968	33.7 °C9 October 1968	8.8 °C30 July 1968	20.9 °C	749 mm	31
1967	33.3 °C6 September 1967	10.6 °C9 June 1967	21.7 °C	1,110 mm	27
1966	32.8 °C16 September 1966	10.8 °C6 August 1966	21.1 °C	1,302 mm	5
1965	32.2 °C5 September 1965	6.3 °C12 July 1965	20.6 °C	1,680 mm	11
1964	31.2 °C2 September 1964	8.5 °C28 July 1964	20.5 °C	1,535 mm	2
1963	36.3 °C15 October 1963	9.4 °C22 June 1963	22.4 °C	733 mm	68
1962	31.3 °C12 September 1962	8.3 °C7 July 1962	20.5 °C	1,859 mm	10
1961	36.1 °C26 September 1961	11.9 °C10 July 1961	21.9 °C	1,273 mm	50
1960	34.9 °C24 September 1960	9.7 °C10 July 1960	20.8 °C	1,486 mm	13
1959	32.2 °C4 October 1959	8.7 °C7 June 1959	21.6 °C	1,025 mm	23
1958	33.2 °C17 November 1958	9.9 °C22 June 1958	21.2 °C	1,004 mm	43
1957	32.7 °C21 October 1957	6.0 °C21 July 1957	21.0 °C	1,180 mm	19
1956	32.1 °C1 February 1956	9.5 °C6 June 1956	20.6 °C	1,113 mm	28
1955	34.8 °C17 September 1955	10.4 °C22 May 1955	21.5 °C	1,031 mm	28
1954	34.0 °C20 September 1954	10.0 °C21 June 1954	21.4 °C	1,429 mm	22
1953	31.1 °C21 August 1953	11.8 °C6 July 1953	21.0 °C	1,491 mm	1
1952	32.3 °C29 September 1952	9.5 °C16 July 1952	20.9 °C	1,347 mm	10
1951	32.3 °C20 November 1951	10.8 °C16 July 1951	20.8 °C	1,110 mm	15
1950	33.0 °C20 September 1950	10.8 °C15 July 1950	20.9 °C	1,548 mm	9
1949	31.8 °C13 October 1949	11.1 °C4 July 1949	20.9 °C	1,342 mm	13
1948	33.7 °C26 September 1948	10.3 °C16 June 1948	21.3 °C	1,041 mm	13
1947	31.5 °C9 January 1947	10.5 °C8 July 1947	20.6 °C	1,685 mm	12
1946	30.9 °C6 September 1946	8.9 °C27 July 1946	21.2 °C	1,249 mm	5
1945	30.7 °C30 September 1945	11.2 °C16 June 1945	20.8 °C	1,831 mm	7
1944	31.9 °C29 August 1944	11.4 °C9 June 1944	20.7 °C	1,743 mm	9
1943	28.5 °C18 January 1943	10.2 °C26 July 1943	19.8 °C	1,361 mm	0
1942	35.2 °C28 November 1942	7.8 °C18 June 1942	20.6 °C	974 mm	36
1941	30.6 °C13 January 1941	9.3 °C30 May 1941	20.8 °C	1,816 mm	1
1940	30.7 °C25 August 1940	12.4 °C18 August 1940	20.9 °C	1,584 mm	3

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

27.5 °C

+1.1 °C

Hot days (≥ 30 °C)

81 d/yr

+42

Frost days (< 0 °C)

0 d/yr

Annual rainfall

742 mm

-438 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.6 °C	+1.2 °C	131 mm	-74 mm
Feb	29.8 °C	+2.2 °C	57 mm	-108 mm
Mar	29.4 °C	+2.1 °C	72 mm	-68 mm
Apr	26.9 °C	+0.5 °C	102 mm	+43 mm
May	25.2 °C	+0.7 °C	1 mm	-34 mm
Jun	24.6 °C	+0.9 °C	11 mm	-7 mm
Jul	24.4 °C	+0.5 °C	3 mm	-13 mm
Aug	26.5 °C	+0.5 °C	10 mm	-5 mm
Sep	28.9 °C	+1.2 °C	16 mm	-32 mm
Oct	27.9 °C	+0.1 °C	72 mm	-40 mm
Nov	28.7 °C	+1.5 °C	115 mm	-44 mm
Dec	28.7 °C	+1.7 °C	152 mm	-56 mm

The year's extremes

Hottest day

33.4 °C

26 Dec 2025

Coldest day

6.8 °C

25 Jun 2025

Wettest day

22.8 mm

16 Apr 2025

Windiest day

25.7 km/h

9 Oct 2025

Strongest gust

61.2 km/h

8 Nov 2025

Hottest feels-like

38.1 °C

26 Dec 2025

Coldest feels-like

4.7 °C

11 Aug 2025

Sunniest day

13.2 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 Cássia?

Cássia has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 21.7 °C and it receives 1,180 mm of precipitation per year.

What is the hottest day ever recorded in Cássia?

The hottest day measured in Cássia between 1940 and 2025 was 15 October 2015, reaching 37.1 °C.

What is the coldest day in Cássia?

The coldest day measured in Cássia between 1940 and 2025 was 21 July 1981, at 4.2 °C.

Does it snow in Cássia?

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

Has the climate of Cássia warmed?

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

What is the wettest day in Cássia?

The wettest day measured in Cássia between 1940 and 2025 was 3 January 1961, with 137 mm of rain in 24 hours.

What was the windiest day in Cássia?

The windiest day measured in Cássia between 1940 and 2025 was 30 October 1994, with winds reaching 27.4 km/h.

What is the warmest month in Cássia?

The warmest month in Cássia is February (23.5 °C on average); the coldest is July (18.4 °C).

How much does it rain in Cássia?

Cássia receives on average 1,180 mm of precipitation per year, spread over about 145 rainy days.

Is it sunny in Cássia?

Cássia gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Are there tropical nights in Cássia?

Yes: Cássia has on average 91 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Cássia?

In Cássia, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 15 November 2023, and the lowest was 1.4 °C on 21 July 1981.

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