Estreito climate — normals and trends

Q: What is the climate of Estreito?

Estreito has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 1,245 mm of precipitation per year.

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

The hottest day measured in Estreito between 1940 and 2025 was 3 October 1958, reaching 40.1 °C.

Q: What is the coldest day in Estreito?

The coldest day measured in Estreito between 1940 and 2025 was 22 July 2024, at 16.1 °C.

Q: Does it snow in Estreito?

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

Q: Has the climate of Estreito warmed?

Yes: Estreito warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Estreito?

The wettest day measured in Estreito between 1940 and 2025 was 11 April 1985, with 149 mm of rain in 24 hours.

Q: What was the windiest day in Estreito?

The windiest day measured in Estreito between 1940 and 2025 was 26 August 1949, with winds reaching 25.1 km/h.

Q: What is the warmest month in Estreito?

The warmest month in Estreito is September (29.0 °C on average); the coldest is February (25.5 °C).

Q: How much does it rain in Estreito?

Estreito receives on average 1,245 mm of precipitation per year, spread over about 163 rainy days.

Q: Is it sunny in Estreito?

Estreito gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Estreito (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °C and it receives 1,245 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 September (29.0 °C on average) and the coldest is February (25.5 °C). Rainfall peaks in March.

Estreito averages 0 frost days, 268 hot days (≥ 30 °C) and 163 rainy days per year.

Estreito has warmed by +0.5 °C between 1940 and 2025, or +0.06 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.1 °C (on 3 October 1958) and the coldest 16.1 °C (on 22 July 2024).

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

EstreitoMaranhão

coords: -6.56°, -47.44°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthSeptemberColdest monthFebruaryWettest monthMarchDriest monthAugust

Mean daily temperature

26.9°C

Average daily high

31.9°C

Average daily low

22.6°C

Annual rainfall

1,245mm

Sunshine / day

10.3h

Mean relative humidity

70%

Average peak wind

11.1km/h

Seasonal range

3.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

268 d/yr

Rainy days (≥ 1 mm)

163 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.9 °C

Average feels-like low

25.7 °C

Average peak gust

29.9 km/h

Tropical nights (≥ 20 °C)

358 d/yr

Solar radiation

18.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.5 °C

since 1940

+0.1 °C per decade · r² = 0.06 · p = 0.020

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

40.1 °C

3 October 1958

Coldest day

16.1 °C

22 July 2024

Wettest day

149 mm

11 April 1985

Windiest day

25.1 km/h

26 August 1949

Strongest gust

56.5 km/h

23 September 1961

Hottest feels-like

43.4 °C

4 October 2015

Coldest feels-like

15.4 °C

22 July 2024

Sunniest day

12.3 h

21 January 1945

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.4 °C10 September 2025	17.2 °C18 July 2025	27.3 °C	1,165 mm	304
2024	38.9 °C17 September 2024	16.1 °C22 July 2024	27.9 °C	1,080 mm	335
2023	39.1 °C13 September 2023	17.2 °C23 July 2023	27.7 °C	728 mm	322
2022	38.6 °C5 September 2022	18.4 °C17 July 2022	27.4 °C	1,158 mm	306
2021	37.9 °C11 August 2021	18.1 °C4 August 2021	27.2 °C	1,150 mm	301
2020	37.7 °C20 August 2020	16.8 °C28 July 2020	27.3 °C	1,130 mm	316
2019	38.1 °C11 September 2019	20.0 °C25 July 2019	27.6 °C	885 mm	330
2018	37.7 °C29 August 2018	18.8 °C26 June 2018	27.6 °C	1,136 mm	324
2017	39.4 °C19 September 2017	18.5 °C20 July 2017	27.9 °C	1,240 mm	324
2016	38.8 °C1 September 2016	19.1 °C28 July 2016	28.0 °C	1,124 mm	329
2015	38.9 °C16 October 2015	19.7 °C14 August 2015	28.0 °C	810 mm	334
2014	37.5 °C26 August 2014	19.6 °C6 July 2014	27.3 °C	1,053 mm	308
2013	37.1 °C29 September 2013	19.6 °C3 August 2013	27.3 °C	1,324 mm	308
2012	37.9 °C9 September 2012	19.0 °C6 August 2012	27.2 °C	908 mm	306
2011	38.1 °C22 September 2011	19.1 °C28 July 2011	27.1 °C	1,220 mm	295
2010	38.1 °C14 September 2010	18.7 °C20 August 2010	27.8 °C	1,005 mm	319
2009	37.0 °C29 September 2009	18.9 °C2 August 2009	26.9 °C	1,366 mm	296
2008	37.4 °C27 August 2008	18.2 °C15 July 2008	27.1 °C	1,493 mm	292
2007	37.4 °C16 October 2007	19.1 °C22 July 2007	27.3 °C	1,040 mm	308
2006	37.0 °C14 September 2006	18.9 °C24 July 2006	27.0 °C	1,286 mm	292
2005	37.7 °C20 September 2005	18.8 °C23 July 2005	27.4 °C	1,322 mm	310
2004	36.1 °C19 August 2004	18.8 °C5 August 2004	27.0 °C	1,403 mm	308
2003	37.3 °C10 September 2003	20.0 °C22 July 2003	27.1 °C	1,062 mm	309
2002	36.7 °C14 September 2002	19.7 °C4 July 2002	26.9 °C	1,195 mm	306
2001	37.0 °C23 August 2001	19.6 °C29 July 2001	26.9 °C	1,160 mm	310
2000	37.3 °C29 August 2000	19.2 °C29 May 2000	26.7 °C	1,183 mm	292
1999	37.8 °C4 September 1999	19.0 °C31 May 1999	26.7 °C	1,533 mm	289
1998	37.8 °C20 August 1998	19.7 °C25 June 1998	27.9 °C	953 mm	325
1997	37.0 °C15 September 1997	19.1 °C4 July 1997	27.0 °C	1,183 mm	293
1996	37.6 °C11 September 1996	18.9 °C11 July 1996	26.8 °C	1,416 mm	293
1995	38.0 °C30 September 1995	19.5 °C14 August 1995	26.8 °C	1,654 mm	285
1994	36.7 °C22 September 1994	19.2 °C23 July 1994	26.5 °C	1,327 mm	283
1993	36.2 °C16 September 1993	19.7 °C21 July 1993	26.6 °C	1,164 mm	287
1992	36.7 °C23 August 1992	19.2 °C22 July 1992	26.6 °C	1,130 mm	275
1991	36.7 °C12 September 1991	19.5 °C28 May 1991	26.5 °C	1,159 mm	278
1990	36.4 °C21 August 1990	19.6 °C29 July 1990	27.0 °C	859 mm	302
1989	36.3 °C23 August 1989	19.6 °C10 August 1989	26.4 °C	1,520 mm	260
1988	36.8 °C23 September 1988	19.3 °C20 August 1988	26.7 °C	1,355 mm	283
1987	37.1 °C15 August 1987	19.6 °C19 January 1987	27.2 °C	1,181 mm	302
1986	35.9 °C14 September 1986	18.7 °C8 June 1986	26.2 °C	1,401 mm	254
1985	36.8 °C17 September 1985	19.6 °C26 June 1985	25.8 °C	2,186 mm	208
1984	35.9 °C5 August 1984	18.7 °C4 August 1984	26.2 °C	1,392 mm	260
1983	36.9 °C15 August 1983	19.4 °C14 August 1983	27.1 °C	1,123 mm	291
1982	36.2 °C1 September 1982	20.0 °C30 June 1982	26.7 °C	1,219 mm	280
1981	37.1 °C23 September 1981	19.3 °C8 July 1981	26.9 °C	1,177 mm	290
1980	35.8 °C13 September 1980	20.3 °C4 August 1980	26.6 °C	1,723 mm	270
1979	36.4 °C11 August 1979	19.7 °C8 July 1979	26.2 °C	1,786 mm	267
1978	36.0 °C6 October 1978	19.3 °C15 September 1978	26.2 °C	2,025 mm	257
1977	35.7 °C7 September 1977	19.1 °C25 July 1977	25.9 °C	1,944 mm	227
1976	35.7 °C27 July 1976	17.2 °C24 June 1976	26.0 °C	1,277 mm	237
1975	36.1 °C7 September 1975	18.2 °C28 July 1975	25.7 °C	1,507 mm	222
1974	34.8 °C9 August 1974	17.0 °C3 July 1974	25.6 °C	2,023 mm	213
1973	36.9 °C28 August 1973	18.5 °C24 August 1973	26.3 °C	1,417 mm	250
1972	35.7 °C7 August 1972	18.7 °C3 July 1972	26.3 °C	1,377 mm	261
1971	36.7 °C4 July 1971	19.2 °C19 June 1971	25.9 °C	1,626 mm	217
1970	36.4 °C24 August 1970	18.3 °C24 July 1970	26.5 °C	1,403 mm	270
1969	36.5 °C20 August 1969	19.5 °C17 August 1969	27.1 °C	921 mm	303
1968	37.1 °C10 September 1968	18.0 °C28 July 1968	26.2 °C	1,032 mm	215
1967	36.2 °C3 September 1967	18.4 °C23 July 1967	26.2 °C	1,260 mm	221
1966	37.3 °C1 September 1966	19.7 °C4 August 1966	26.5 °C	1,791 mm	196
1965	37.8 °C26 September 1965	19.8 °C1 June 1965	26.9 °C	910 mm	227
1964	37.5 °C19 September 1964	18.7 °C3 June 1964	26.4 °C	1,318 mm	193
1963	38.8 °C29 October 1963	19.4 °C19 June 1963	27.2 °C	1,134 mm	226
1962	38.2 °C18 October 1962	18.7 °C21 June 1962	27.0 °C	1,024 mm	215
1961	39.6 °C2 November 1961	18.9 °C15 August 1961	27.2 °C	980 mm	225
1960	38.5 °C10 October 1960	20.5 °C12 February 1960	27.4 °C	1,751 mm	230
1959	38.7 °C14 October 1959	18.6 °C8 July 1959	26.8 °C	1,497 mm	207
1958	40.1 °C3 October 1958	20.3 °C31 July 1958	28.1 °C	1,043 mm	286
1957	39.6 °C31 October 1957	19.8 °C2 June 1957	27.5 °C	1,323 mm	234
1956	36.3 °C4 September 1956	19.4 °C24 June 1956	26.1 °C	1,333 mm	169
1955	39.3 °C27 September 1955	19.6 °C10 June 1955	26.9 °C	1,297 mm	222
1954	38.5 °C18 October 1954	19.0 °C10 August 1954	26.7 °C	930 mm	244
1953	36.7 °C27 August 1953	19.3 °C12 July 1953	26.7 °C	1,167 mm	231
1952	37.9 °C21 October 1952	19.7 °C23 June 1952	26.8 °C	1,249 mm	222
1951	38.7 °C15 September 1951	19.0 °C22 July 1951	27.4 °C	747 mm	253
1950	38.6 °C21 September 1950	20.0 °C25 May 1950	27.7 °C	782 mm	262
1949	38.4 °C21 September 1949	20.7 °C3 June 1949	27.2 °C	881 mm	219
1948	37.7 °C5 September 1948	20.7 °C19 February 1948	26.9 °C	1,123 mm	226
1947	38.2 °C25 August 1947	20.4 °C30 June 1947	26.6 °C	1,400 mm	205
1946	38.0 °C17 September 1946	19.7 °C10 June 1946	27.1 °C	713 mm	266
1945	38.8 °C16 September 1945	19.3 °C13 June 1945	26.8 °C	1,071 mm	215
1944	39.5 °C29 September 1944	20.1 °C30 April 1944	27.2 °C	1,696 mm	228
1943	37.6 °C11 September 1943	19.6 °C16 June 1943	26.2 °C	1,615 mm	180
1942	38.4 °C8 October 1942	20.2 °C14 May 1942	27.8 °C	797 mm	296
1941	39.0 °C23 October 1941	19.7 °C24 July 1941	28.4 °C	565 mm	312
1940	37.7 °C28 November 1940	18.5 °C7 July 1940	27.0 °C	1,022 mm	232

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

32.7 °C

+0.8 °C

Hot days (≥ 30 °C)

304 d/yr

+36

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1165 mm

-80 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.8 °C	+0.1 °C	292 mm	+75 mm
Feb	30.0 °C	+0.3 °C	207 mm	-7 mm
Mar	30.5 °C	+0.9 °C	199 mm	-29 mm
Apr	31.6 °C	+1.5 °C	58 mm	-100 mm
May	33.4 °C	+2.0 °C	7 mm	-54 mm
Jun	33.8 °C	+1.0 °C	9 mm	-1 mm
Jul	34.8 °C	+1.0 °C	1 mm	-3 mm
Aug	35.4 °C	+0.4 °C	2 mm	-3 mm
Sep	36.1 °C	+1.1 °C	18 mm	+1 mm
Oct	34.5 °C	+0.9 °C	25 mm	-29 mm
Nov	32.6 °C	+0.8 °C	64 mm	-48 mm
Dec	30.0 °C	-0.5 °C	284 mm	+118 mm

The year's extremes

Hottest day

39.4 °C

10 Sep 2025

Coldest day

17.2 °C

18 Jul 2025

Wettest day

71.1 mm

18 Dec 2025

Windiest day

22.3 km/h

15 Jun 2025

Strongest gust

47.5 km/h

22 May 2025

Hottest feels-like

41.7 °C

5 Nov 2025

Coldest feels-like

17.9 °C

18 Jul 2025

Sunniest day

12.2 h

26 Jan 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 Estreito?

Estreito has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 1,245 mm of precipitation per year.

What is the hottest day ever recorded in Estreito?

The hottest day measured in Estreito between 1940 and 2025 was 3 October 1958, reaching 40.1 °C.

What is the coldest day in Estreito?

The coldest day measured in Estreito between 1940 and 2025 was 22 July 2024, at 16.1 °C.

Does it snow in Estreito?

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

Has the climate of Estreito warmed?

Yes: Estreito warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Estreito?

The wettest day measured in Estreito between 1940 and 2025 was 11 April 1985, with 149 mm of rain in 24 hours.

What was the windiest day in Estreito?

The windiest day measured in Estreito between 1940 and 2025 was 26 August 1949, with winds reaching 25.1 km/h.

What is the warmest month in Estreito?

The warmest month in Estreito is September (29.0 °C on average); the coldest is February (25.5 °C).

How much does it rain in Estreito?

Estreito receives on average 1,245 mm of precipitation per year, spread over about 163 rainy days.

Is it sunny in Estreito?

Estreito gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Are there tropical nights in Estreito?

Yes: Estreito has on average 358 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Estreito?

In Estreito, between 1940 and 2025, the highest apparent temperature reached 43.4 °C on 4 October 2015, and the lowest was 15.4 °C on 22 July 2024.

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