Mariana climate — normals and trends

Q: What is the climate of Mariana?

Mariana has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 19.0 °C and it receives 1,904 mm of precipitation per year.

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

The hottest day measured in Mariana between 1940 and 2025 was 24 September 2007, reaching 35.4 °C.

Q: What is the coldest day in Mariana?

The coldest day measured in Mariana between 1940 and 2025 was 1 June 1979, at 2.4 °C.

Q: Does it snow in Mariana?

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

Q: Has the climate of Mariana warmed?

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

Q: What is the wettest day in Mariana?

The wettest day measured in Mariana between 1940 and 2025 was 12 November 1981, with 130 mm of rain in 24 hours.

Q: What was the windiest day in Mariana?

The windiest day measured in Mariana between 1940 and 2025 was 10 September 1958, with winds reaching 27.3 km/h.

Q: What is the warmest month in Mariana?

The warmest month in Mariana is February (21.6 °C on average); the coldest is July (15.7 °C).

Q: How much does it rain in Mariana?

Mariana receives on average 1,904 mm of precipitation per year, spread over about 171 rainy days.

Q: Is it sunny in Mariana?

Mariana gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Mariana (Brazil) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 19.0 °C and it receives 1,904 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 (21.6 °C on average) and the coldest is July (15.7 °C). Rainfall peaks in December.

Mariana averages 0 frost days, 7 hot days (≥ 30 °C) and 171 rainy days per year.

Mariana 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 35.4 °C (on 24 September 2007) and the coldest 2.4 °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

MarianaMinas Gerais

coords: -20.38°, -43.42°
period: 1940–2025 · 86 yrs

CwbSubtropical highland, dry winterWarmest monthFebruaryColdest monthJulyWettest monthDecemberDriest monthJuly

Mean daily temperature

19.0°C

Average daily high

24.0°C

Average daily low

15.1°C

Annual rainfall

1,904mm

Sunshine / day

9.4h

Mean relative humidity

80%

Average peak wind

11.8km/h

Seasonal range

5.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

7 d/yr

Rainy days (≥ 1 mm)

171 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.7 °C

Average feels-like low

15.6 °C

Average peak gust

30.4 km/h

Tropical nights (≥ 20 °C)

3 d/yr

Solar radiation

17.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.63 · 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

35.4 °C

24 September 2007

Coldest day

2.4 °C

1 June 1979

Wettest day

130 mm

12 November 1981

Windiest day

27.3 km/h

10 September 1958

Strongest gust

69.8 km/h

20 October 1981

Hottest feels-like

38.4 °C

17 January 1995

Coldest feels-like

-0.8 °C

1 June 1979

Sunniest day

13.2 h

28 December 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	31.8 °C21 January 2025	6.9 °C13 June 2025	19.5 °C	1,290 mm	19
2024	32.6 °C8 October 2024	7.0 °C13 August 2024	20.6 °C	1,634 mm	27
2023	34.0 °C18 November 2023	6.3 °C7 July 2023	20.0 °C	1,705 mm	24
2022	31.2 °C10 September 2022	5.2 °C20 May 2022	19.2 °C	2,115 mm	3
2021	33.3 °C21 September 2021	4.6 °C30 July 2021	19.3 °C	1,612 mm	10
2020	34.0 °C3 October 2020	6.6 °C26 August 2020	19.5 °C	1,945 mm	21
2019	32.1 °C3 February 2019	5.5 °C8 July 2019	20.1 °C	1,341 mm	17
2018	30.7 °C13 March 2018	4.4 °C21 May 2018	19.7 °C	1,971 mm	7
2017	31.5 °C22 October 2017	7.2 °C4 July 2017	19.4 °C	1,111 mm	6
2016	32.0 °C10 February 2016	7.0 °C15 June 2016	20.0 °C	1,714 mm	20
2015	33.0 °C16 October 2015	8.3 °C9 June 2015	20.2 °C	1,512 mm	27
2014	33.4 °C19 October 2014	6.1 °C8 August 2014	19.7 °C	1,190 mm	17
2013	32.3 °C23 September 2013	7.7 °C6 July 2013	19.2 °C	1,657 mm	4
2012	32.5 °C19 September 2012	6.1 °C27 September 2012	19.3 °C	1,539 mm	12
2011	30.9 °C23 February 2011	7.0 °C6 June 2011	19.1 °C	1,716 mm	11
2010	31.0 °C24 February 2010	5.1 °C18 August 2010	19.5 °C	1,455 mm	10
2009	31.1 °C3 March 2009	7.0 °C4 June 2009	19.8 °C	2,322 mm	6
2008	31.7 °C7 September 2008	6.7 °C17 July 2008	19.3 °C	2,087 mm	10
2007	35.4 °C24 September 2007	5.5 °C31 July 2007	19.8 °C	1,548 mm	15
2006	33.3 °C26 January 2006	8.3 °C20 July 2006	19.4 °C	1,568 mm	11
2005	34.2 °C18 October 2005	8.6 °C9 July 2005	19.6 °C	1,800 mm	9
2004	31.9 °C29 September 2004	6.5 °C26 July 2004	19.2 °C	1,963 mm	3
2003	31.2 °C24 September 2003	8.3 °C18 August 2003	19.5 °C	1,778 mm	11
2002	32.4 °C17 October 2002	9.0 °C3 September 2002	20.1 °C	2,032 mm	6
2001	31.3 °C4 February 2001	6.5 °C18 September 2001	19.5 °C	1,544 mm	5
2000	31.6 °C15 January 2000	5.6 °C18 July 2000	19.0 °C	1,677 mm	3
1999	31.2 °C21 January 1999	6.5 °C25 September 1999	18.8 °C	1,649 mm	7
1998	31.8 °C5 February 1998	5.7 °C14 July 1998	19.6 °C	1,720 mm	15
1997	33.3 °C10 September 1997	6.2 °C9 June 1997	19.7 °C	1,795 mm	15
1996	30.4 °C31 January 1996	7.0 °C25 July 1996	19.2 °C	1,945 mm	4
1995	32.5 °C17 January 1995	6.5 °C7 June 1995	19.7 °C	1,821 mm	25
1994	33.0 °C3 October 1994	5.9 °C7 August 1994	19.7 °C	1,678 mm	18
1993	31.1 °C30 November 1993	7.3 °C22 June 1993	19.6 °C	1,812 mm	12
1992	29.1 °C6 April 1992	7.8 °C27 July 1992	19.2 °C	2,102 mm	0
1991	30.8 °C10 August 1991	8.0 °C5 August 1991	19.2 °C	2,222 mm	2
1990	32.2 °C23 January 1990	8.1 °C13 June 1990	19.5 °C	1,333 mm	8
1989	29.5 °C15 September 1989	5.4 °C10 July 1989	19.1 °C	1,732 mm	0
1988	33.4 °C30 January 1988	5.1 °C26 July 1988	19.1 °C	1,872 mm	3
1987	30.8 °C19 October 1987	8.0 °C28 June 1987	19.8 °C	2,231 mm	3
1986	31.1 °C18 October 1986	6.9 °C10 July 1986	19.4 °C	1,569 mm	2
1985	30.4 °C4 February 1985	4.9 °C10 June 1985	18.9 °C	2,150 mm	1
1984	31.1 °C14 January 1984	7.7 °C1 August 1984	19.7 °C	1,486 mm	7
1983	29.4 °C31 August 1983	5.9 °C4 August 1983	19.3 °C	2,270 mm	0
1982	30.2 °C21 November 1982	7.7 °C6 May 1982	19.1 °C	2,168 mm	1
1981	30.0 °C4 March 1981	5.9 °C11 June 1981	18.7 °C	2,070 mm	2
1980	31.6 °C30 October 1980	7.8 °C30 June 1980	19.1 °C	1,685 mm	3
1979	29.8 °C16 December 1979	2.4 °C1 June 1979	18.5 °C	2,419 mm	0
1978	29.7 °C21 January 1978	6.4 °C16 August 1978	18.8 °C	2,177 mm	0
1977	30.5 °C6 December 1977	8.5 °C18 May 1977	19.3 °C	1,652 mm	2
1976	30.3 °C12 January 1976	8.5 °C3 June 1976	18.9 °C	1,904 mm	1
1975	29.4 °C18 February 1975	5.2 °C8 July 1975	18.7 °C	1,815 mm	0
1974	30.5 °C1 September 1974	6.5 °C16 June 1974	19.0 °C	1,625 mm	1
1973	32.1 °C6 January 1973	5.2 °C20 June 1973	19.6 °C	2,107 mm	9
1972	30.4 °C6 January 1972	7.4 °C22 June 1972	19.2 °C	1,695 mm	2
1971	30.1 °C5 January 1971	6.8 °C1 June 1971	18.9 °C	1,831 mm	2
1970	30.1 °C22 March 1970	7.1 °C7 July 1970	19.0 °C	1,452 mm	1
1969	31.4 °C17 February 1969	7.4 °C19 July 1969	19.3 °C	1,565 mm	9
1968	30.8 °C29 October 1968	6.1 °C13 August 1968	17.8 °C	1,398 mm	4
1967	31.2 °C12 October 1967	5.5 °C21 July 1967	19.0 °C	1,893 mm	2
1966	31.5 °C16 September 1966	7.8 °C23 September 1966	18.5 °C	1,850 mm	2
1965	29.8 °C11 September 1965	5.1 °C12 July 1965	18.3 °C	2,585 mm	0
1964	28.4 °C18 February 1964	6.4 °C29 July 1964	17.7 °C	2,314 mm	0
1963	34.5 °C30 September 1963	6.9 °C13 July 1963	19.4 °C	1,125 mm	24
1962	28.7 °C30 August 1962	5.8 °C19 June 1962	17.9 °C	2,969 mm	0
1961	34.6 °C29 September 1961	7.6 °C7 August 1961	19.1 °C	2,235 mm	21
1960	32.6 °C25 September 1960	5.7 °C16 July 1960	18.0 °C	2,298 mm	4
1959	29.7 °C7 February 1959	6.5 °C20 June 1959	18.8 °C	1,770 mm	0
1958	30.9 °C7 October 1958	7.2 °C22 September 1958	18.5 °C	1,544 mm	2
1957	30.4 °C26 October 1957	6.5 °C23 July 1957	18.5 °C	2,142 mm	1
1956	29.5 °C17 January 1956	5.4 °C18 August 1956	17.7 °C	1,770 mm	0
1955	31.6 °C1 October 1955	8.0 °C3 July 1955	18.5 °C	1,527 mm	4
1954	32.1 °C19 September 1954	8.3 °C16 August 1954	18.9 °C	2,094 mm	6
1953	29.1 °C23 August 1953	7.8 °C29 July 1953	18.5 °C	2,135 mm	0
1952	29.8 °C4 September 1952	6.9 °C16 July 1952	18.4 °C	3,032 mm	0
1951	31.8 °C20 November 1951	6.7 °C15 August 1951	18.1 °C	1,756 mm	9
1950	30.5 °C6 September 1950	7.5 °C11 June 1950	18.2 °C	2,589 mm	2
1949	30.2 °C6 October 1949	6.5 °C27 August 1949	18.2 °C	2,408 mm	1
1948	30.0 °C4 October 1948	5.9 °C30 August 1948	18.4 °C	1,702 mm	1
1947	31.4 °C10 January 1947	6.8 °C15 July 1947	18.1 °C	2,164 mm	3
1946	31.2 °C4 November 1946	7.4 °C30 July 1946	18.8 °C	1,936 mm	2
1945	29.8 °C30 August 1945	8.8 °C21 May 1945	18.5 °C	2,445 mm	0
1944	30.7 °C2 October 1944	7.2 °C13 July 1944	18.1 °C	2,527 mm	1
1943	26.6 °C24 February 1943	7.6 °C19 July 1943	17.1 °C	2,614 mm	0
1942	32.2 °C7 October 1942	4.6 °C26 June 1942	17.6 °C	1,969 mm	3
1941	29.5 °C13 January 1941	7.9 °C9 June 1941	18.4 °C	3,017 mm	0
1940	29.5 °C23 August 1940	8.4 °C4 August 1940	18.5 °C	2,567 mm	0

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

24.7 °C

+0.7 °C

Hot days (≥ 30 °C)

19 d/yr

+12

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1290 mm

-614 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	26.8 °C	+0.9 °C	323 mm	+8 mm
Feb	28.0 °C	+1.8 °C	13 mm	-213 mm
Mar	26.7 °C	+1.2 °C	210 mm	-22 mm
Apr	24.3 °C	+0.2 °C	152 mm	+42 mm
May	22.3 °C	-0.1 °C	11 mm	-41 mm
Jun	22.5 °C	+0.9 °C	10 mm	-15 mm
Jul	21.7 °C	+0.2 °C	7 mm	-11 mm
Aug	23.1 °C	+0.1 °C	23 mm	-6 mm
Sep	24.4 °C	+0.2 °C	25 mm	-60 mm
Oct	24.3 °C	-0.2 °C	138 mm	-53 mm
Nov	25.6 °C	+1.2 °C	137 mm	-153 mm
Dec	27.2 °C	+2.1 °C	243 mm	-90 mm

The year's extremes

Hottest day

31.8 °C

21 Jan 2025

Coldest day

6.9 °C

13 Jun 2025

Wettest day

43.3 mm

12 Jan 2025

Windiest day

27.2 km/h

10 Dec 2025

Strongest gust

68.4 km/h

10 Dec 2025

Hottest feels-like

37.3 °C

30 Dec 2025

Coldest feels-like

5.1 °C

13 Jun 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 Mariana?

Mariana has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 19.0 °C and it receives 1,904 mm of precipitation per year.

What is the hottest day ever recorded in Mariana?

The hottest day measured in Mariana between 1940 and 2025 was 24 September 2007, reaching 35.4 °C.

What is the coldest day in Mariana?

The coldest day measured in Mariana between 1940 and 2025 was 1 June 1979, at 2.4 °C.

Does it snow in Mariana?

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

Has the climate of Mariana warmed?

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

What is the wettest day in Mariana?

The wettest day measured in Mariana between 1940 and 2025 was 12 November 1981, with 130 mm of rain in 24 hours.

What was the windiest day in Mariana?

The windiest day measured in Mariana between 1940 and 2025 was 10 September 1958, with winds reaching 27.3 km/h.

What is the warmest month in Mariana?

The warmest month in Mariana is February (21.6 °C on average); the coldest is July (15.7 °C).

How much does it rain in Mariana?

Mariana receives on average 1,904 mm of precipitation per year, spread over about 171 rainy days.

Is it sunny in Mariana?

Mariana gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Are there tropical nights in Mariana?

Yes: Mariana has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Mariana?

In Mariana, between 1940 and 2025, the highest apparent temperature reached 38.4 °C on 17 January 1995, and the lowest was -0.8 °C on 1 June 1979.

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