Brejo climate — normals and trends

Q: What is the climate of Brejo?

Brejo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.0 °C and it receives 1,312 mm of precipitation per year.

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

The hottest day measured in Brejo between 1940 and 2025 was 24 October 2012, reaching 40.8 °C.

Q: What is the coldest day in Brejo?

The coldest day measured in Brejo between 1940 and 2025 was 22 August 2022, at 18.8 °C.

Q: Does it snow in Brejo?

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

Q: Has the climate of Brejo warmed?

Yes: Brejo warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Brejo?

The wettest day measured in Brejo between 1940 and 2025 was 1 April 1971, with 202 mm of rain in 24 hours.

Q: What was the windiest day in Brejo?

The windiest day measured in Brejo between 1940 and 2025 was 16 August 1991, with winds reaching 27.0 km/h.

Q: What is the warmest month in Brejo?

The warmest month in Brejo is October (29.8 °C on average); the coldest is March (26.3 °C).

Q: How much does it rain in Brejo?

Brejo receives on average 1,312 mm of precipitation per year, spread over about 138 rainy days.

Q: Is it sunny in Brejo?

Brejo gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.

Brejo (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.0 °C and it receives 1,312 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 October (29.8 °C on average) and the coldest is March (26.3 °C). Rainfall peaks in March.

Brejo averages 0 frost days, 320 hot days (≥ 30 °C) and 138 rainy days per year.

Brejo has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.8 °C (on 24 October 2012) and the coldest 18.8 °C (on 22 August 2022).

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

BrejoMaranhão

coords: -3.68°, -42.75°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthOctoberColdest monthMarchWettest monthMarchDriest monthSeptember

Mean daily temperature

28.0°C

Average daily high

33.3°C

Average daily low

23.7°C

Annual rainfall

1,312mm

Sunshine / day

10.8h

Mean relative humidity

71%

Average peak wind

14.7km/h

Seasonal range

3.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

320 d/yr

Rainy days (≥ 1 mm)

138 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.0 °C

Average feels-like low

27.3 °C

Average peak gust

33.3 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

20.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.23 · 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

40.8 °C

24 October 2012

Coldest day

18.8 °C

22 August 2022

Wettest day

202 mm

1 April 1971

Windiest day

27.0 km/h

16 August 1991

Strongest gust

55.8 km/h

14 November 1985

Hottest feels-like

43.8 °C

31 October 2012

Coldest feels-like

19.2 °C

4 July 1974

Sunniest day

12.0 h

21 November 1989

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.8 °C12 October 2025	21.2 °C14 July 2025	28.5 °C	1,063 mm	348
2024	38.0 °C27 December 2024	19.2 °C26 July 2024	28.3 °C	1,145 mm	348
2023	38.5 °C28 October 2023	19.9 °C22 July 2023	28.0 °C	1,021 mm	338
2022	37.8 °C29 October 2022	18.8 °C22 August 2022	27.6 °C	1,609 mm	345
2021	38.1 °C25 October 2021	19.9 °C3 August 2021	28.1 °C	1,089 mm	346
2020	38.3 °C21 October 2020	19.0 °C27 July 2020	28.1 °C	1,689 mm	347
2019	39.3 °C28 October 2019	20.9 °C22 June 2019	28.3 °C	1,484 mm	342
2018	39.3 °C21 November 2018	20.8 °C21 July 2018	28.1 °C	1,502 mm	335
2017	39.0 °C5 December 2017	20.6 °C16 July 2017	28.6 °C	1,356 mm	343
2016	40.3 °C26 November 2016	20.8 °C1 July 2016	29.0 °C	1,111 mm	351
2015	39.6 °C2 December 2015	21.1 °C14 August 2015	28.8 °C	744 mm	354
2014	39.0 °C19 October 2014	21.2 °C14 July 2014	28.5 °C	1,038 mm	351
2013	39.4 °C5 October 2013	22.4 °C12 July 2013	29.0 °C	1,216 mm	360
2012	40.8 °C24 October 2012	20.3 °C30 July 2012	29.4 °C	849 mm	360
2011	39.8 °C25 September 2011	21.9 °C28 July 2011	28.4 °C	1,465 mm	339
2010	40.2 °C8 November 2010	20.3 °C27 June 2010	29.3 °C	1,051 mm	357
2009	39.8 °C19 December 2009	21.2 °C27 July 2009	28.2 °C	1,946 mm	330
2008	39.6 °C27 October 2008	21.5 °C23 June 2008	28.3 °C	1,537 mm	334
2007	40.5 °C21 January 2007	20.9 °C10 August 2007	28.9 °C	1,240 mm	350
2006	40.0 °C21 December 2006	20.4 °C7 August 2006	28.5 °C	1,251 mm	336
2005	40.7 °C20 November 2005	21.0 °C31 July 2005	28.7 °C	1,026 mm	358
2004	39.4 °C14 November 2004	21.1 °C9 June 2004	28.2 °C	1,414 mm	337
2003	39.0 °C14 November 2003	20.7 °C20 August 2003	28.2 °C	999 mm	342
2002	38.9 °C26 November 2002	21.3 °C20 June 2002	28.1 °C	1,230 mm	335
2001	39.7 °C25 December 2001	20.1 °C5 August 2001	27.7 °C	1,279 mm	328
2000	38.9 °C7 November 2000	21.4 °C30 July 2000	27.5 °C	1,385 mm	319
1999	40.1 °C10 November 1999	20.9 °C4 July 1999	27.7 °C	1,652 mm	314
1998	39.6 °C7 October 1998	22.0 °C5 July 1998	28.7 °C	1,072 mm	349
1997	40.0 °C6 October 1997	21.0 °C10 July 1997	28.0 °C	1,057 mm	339
1996	38.4 °C30 October 1996	21.1 °C4 June 1996	27.8 °C	1,805 mm	331
1995	39.6 °C17 December 1995	21.3 °C13 July 1995	27.8 °C	1,510 mm	315
1994	38.9 °C21 November 1994	20.4 °C30 July 1994	27.7 °C	1,529 mm	329
1993	40.3 °C8 December 1993	20.1 °C18 July 1993	28.7 °C	1,024 mm	347
1992	39.0 °C6 October 1992	19.3 °C22 July 1992	28.5 °C	830 mm	347
1991	38.4 °C6 November 1991	20.6 °C30 July 1991	27.9 °C	1,560 mm	339
1990	38.7 °C1 November 1990	21.0 °C8 August 1990	28.2 °C	777 mm	351
1989	38.8 °C29 October 1989	21.5 °C1 September 1989	27.6 °C	1,546 mm	325
1988	38.8 °C21 November 1988	20.4 °C3 August 1988	27.9 °C	1,571 mm	330
1987	39.9 °C28 November 1987	22.0 °C1 July 1987	28.6 °C	941 mm	345
1986	38.6 °C17 December 1986	20.9 °C16 June 1986	27.4 °C	1,799 mm	306
1985	39.2 °C22 October 1985	20.5 °C25 June 1985	27.1 °C	2,256 mm	276
1984	39.1 °C1 November 1984	19.9 °C27 July 1984	27.8 °C	1,492 mm	323
1983	40.2 °C19 December 1983	21.8 °C12 August 1983	28.9 °C	666 mm	350
1982	39.1 °C29 December 1982	21.1 °C6 July 1982	28.0 °C	1,271 mm	338
1981	39.8 °C26 October 1981	19.5 °C6 August 1981	28.2 °C	1,232 mm	340
1980	39.6 °C7 December 1980	21.7 °C1 March 1980	27.9 °C	1,492 mm	332
1979	39.6 °C24 November 1979	20.1 °C23 June 1979	27.9 °C	1,176 mm	332
1978	37.5 °C2 October 1978	20.4 °C2 August 1978	27.5 °C	1,685 mm	331
1977	39.2 °C22 November 1977	20.4 °C14 July 1977	27.4 °C	1,865 mm	310
1976	37.5 °C23 September 1976	19.1 °C20 July 1976	27.4 °C	1,450 mm	332
1975	36.9 °C14 October 1975	19.7 °C28 July 1975	27.0 °C	1,514 mm	307
1974	37.3 °C26 October 1974	19.4 °C4 July 1974	26.7 °C	2,167 mm	265
1973	38.4 °C12 November 1973	20.4 °C20 January 1973	27.3 °C	1,895 mm	322
1972	38.9 °C16 November 1972	21.1 °C5 September 1972	27.6 °C	1,240 mm	341
1971	37.9 °C27 November 1971	20.0 °C22 August 1971	27.0 °C	1,884 mm	298
1970	37.6 °C25 November 1970	19.8 °C3 August 1970	27.8 °C	1,161 mm	341
1969	38.0 °C6 October 1969	19.8 °C16 August 1969	27.7 °C	1,119 mm	334
1968	38.1 °C16 October 1968	19.7 °C4 July 1968	27.2 °C	1,508 mm	283
1967	37.7 °C4 December 1967	20.2 °C28 June 1967	27.1 °C	1,908 mm	286
1966	39.1 °C25 October 1966	21.6 °C21 June 1966	27.7 °C	1,322 mm	290
1965	39.3 °C17 November 1965	20.8 °C15 July 1965	27.6 °C	914 mm	287
1964	38.9 °C9 November 1964	21.7 °C12 June 1964	27.2 °C	1,450 mm	232
1963	39.0 °C3 October 1963	21.5 °C17 June 1963	27.6 °C	1,340 mm	270
1962	39.0 °C18 October 1962	21.1 °C19 June 1962	27.5 °C	1,077 mm	299
1961	39.3 °C24 November 1961	21.0 °C14 August 1961	27.6 °C	1,498 mm	271
1960	39.1 °C20 October 1960	21.5 °C6 June 1960	27.7 °C	1,367 mm	298
1959	38.9 °C1 December 1959	21.3 °C19 June 1959	27.6 °C	1,534 mm	269
1958	39.8 °C20 November 1958	20.8 °C4 March 1958	28.7 °C	714 mm	354
1957	39.1 °C31 October 1957	20.7 °C15 June 1957	27.7 °C	1,274 mm	277
1956	38.9 °C26 October 1956	21.5 °C2 July 1956	27.9 °C	926 mm	314
1955	38.9 °C18 November 1955	20.9 °C20 September 1955	27.6 °C	1,352 mm	280
1954	39.0 °C18 October 1954	20.5 °C1 September 1954	27.7 °C	1,098 mm	298
1953	39.0 °C7 December 1953	21.5 °C17 March 1953	27.8 °C	1,167 mm	304
1952	38.8 °C20 October 1952	21.6 °C23 June 1952	27.7 °C	1,411 mm	291
1951	39.1 °C8 December 1951	21.1 °C27 July 1951	28.3 °C	759 mm	325
1950	39.3 °C8 November 1950	20.7 °C27 May 1950	27.8 °C	1,285 mm	273
1949	39.2 °C10 October 1949	21.5 °C30 January 1949	27.5 °C	1,477 mm	278
1948	39.4 °C7 November 1948	21.4 °C23 June 1948	27.9 °C	1,126 mm	296
1947	39.0 °C10 October 1947	20.0 °C15 August 1947	27.5 °C	1,534 mm	292
1946	39.7 °C30 October 1946	20.2 °C29 July 1946	28.3 °C	802 mm	332
1945	39.2 °C10 November 1945	20.3 °C12 June 1945	27.6 °C	991 mm	297
1944	39.3 °C4 November 1944	21.3 °C17 June 1944	27.7 °C	1,797 mm	267
1943	39.4 °C24 October 1943	21.0 °C20 April 1943	27.4 °C	1,260 mm	273
1942	39.4 °C21 November 1942	20.2 °C9 July 1942	28.4 °C	945 mm	345
1941	39.7 °C14 October 1941	21.7 °C23 July 1941	28.6 °C	575 mm	340
1940	38.6 °C25 October 1940	21.3 °C25 March 1940	27.5 °C	1,407 mm	265

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

34.0 °C

+0.7 °C

Hot days (≥ 30 °C)

348 d/yr

+28

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1063 mm

-249 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.3 °C	0.0 °C	178 mm	+2 mm
Feb	31.5 °C	+0.3 °C	245 mm	+20 mm
Mar	31.2 °C	+0.5 °C	433 mm	+124 mm
Apr	31.9 °C	+1.3 °C	106 mm	-177 mm
May	32.0 °C	+1.0 °C	59 mm	-107 mm
Jun	32.7 °C	+0.9 °C	8 mm	-34 mm
Jul	33.9 °C	+0.7 °C	5 mm	-11 mm
Aug	35.4 °C	+0.6 °C	1 mm	-3 mm
Sep	36.8 °C	+0.7 °C	0 mm	-3 mm
Oct	37.6 °C	+0.8 °C	1 mm	-5 mm
Nov	37.0 °C	+0.6 °C	1 mm	-16 mm
Dec	35.3 °C	+0.3 °C	26 mm	-38 mm

The year's extremes

Hottest day

38.8 °C

12 Oct 2025

Coldest day

21.2 °C

14 Jul 2025

Wettest day

126.8 mm

2 Mar 2025

Windiest day

24.2 km/h

23 Sep 2025

Strongest gust

49.3 km/h

26 Aug 2025

Hottest feels-like

41.4 °C

20 Oct 2025

Coldest feels-like

22.4 °C

13 Jul 2025

Sunniest day

12.0 h

1 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 Brejo?

Brejo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.0 °C and it receives 1,312 mm of precipitation per year.

What is the hottest day ever recorded in Brejo?

The hottest day measured in Brejo between 1940 and 2025 was 24 October 2012, reaching 40.8 °C.

What is the coldest day in Brejo?

The coldest day measured in Brejo between 1940 and 2025 was 22 August 2022, at 18.8 °C.

Does it snow in Brejo?

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

Has the climate of Brejo warmed?

Yes: Brejo warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Brejo?

The wettest day measured in Brejo between 1940 and 2025 was 1 April 1971, with 202 mm of rain in 24 hours.

What was the windiest day in Brejo?

The windiest day measured in Brejo between 1940 and 2025 was 16 August 1991, with winds reaching 27.0 km/h.

What is the warmest month in Brejo?

The warmest month in Brejo is October (29.8 °C on average); the coldest is March (26.3 °C).

How much does it rain in Brejo?

Brejo receives on average 1,312 mm of precipitation per year, spread over about 138 rainy days.

Is it sunny in Brejo?

Brejo gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.

Are there tropical nights in Brejo?

Yes: Brejo has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Brejo?

In Brejo, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 31 October 2012, and the lowest was 19.2 °C on 4 July 1974.

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