Chapadinha climate — normals and trends

Q: What is the climate of Chapadinha?

Chapadinha has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 1,409 mm of precipitation per year.

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

The hottest day measured in Chapadinha between 1940 and 2025 was 26 January 2007, reaching 40.1 °C.

Q: What is the coldest day in Chapadinha?

The coldest day measured in Chapadinha between 1940 and 2025 was 22 August 2022, at 18.5 °C.

Q: Does it snow in Chapadinha?

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

Q: Has the climate of Chapadinha warmed?

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

Q: What is the wettest day in Chapadinha?

The wettest day measured in Chapadinha between 1940 and 2025 was 16 May 1984, with 192 mm of rain in 24 hours.

Q: What was the windiest day in Chapadinha?

The windiest day measured in Chapadinha between 1940 and 2025 was 16 August 1991, with winds reaching 28.8 km/h.

Q: What is the warmest month in Chapadinha?

The warmest month in Chapadinha is October (29.5 °C on average); the coldest is March (26.0 °C).

Q: How much does it rain in Chapadinha?

Chapadinha receives on average 1,409 mm of precipitation per year, spread over about 150 rainy days.

Q: Is it sunny in Chapadinha?

Chapadinha gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.

Chapadinha (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.6 °C and it receives 1,409 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 (29.5 °C on average) and the coldest is March (26.0 °C). Rainfall peaks in March.

Chapadinha averages 0 frost days, 308 hot days (≥ 30 °C) and 150 rainy days per year.

Chapadinha 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 40.1 °C (on 26 January 2007) and the coldest 18.5 °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

ChapadinhaMaranhão

coords: -3.74°, -43.36°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthOctoberColdest monthMarchWettest monthMarchDriest monthSeptember

Mean daily temperature

27.6°C

Average daily high

32.8°C

Average daily low

23.5°C

Annual rainfall

1,409mm

Sunshine / day

10.7h

Mean relative humidity

72%

Average peak wind

14.3km/h

Seasonal range

3.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

308 d/yr

Rainy days (≥ 1 mm)

150 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.6 °C

Average feels-like low

27.2 °C

Average peak gust

33.1 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

19.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.21 · 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

40.1 °C

26 January 2007

Coldest day

18.5 °C

22 August 2022

Wettest day

192 mm

16 May 1984

Windiest day

28.8 km/h

16 August 1991

Strongest gust

56.5 km/h

11 December 1981

Hottest feels-like

43.2 °C

18 November 2016

Coldest feels-like

19.1 °C

4 July 1974

Sunniest day

12.0 h

2 January 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.0 °C15 October 2025	20.8 °C14 July 2025	28.1 °C	1,043 mm	344
2024	37.7 °C17 December 2024	19.1 °C26 July 2024	28.0 °C	1,087 mm	343
2023	37.4 °C28 October 2023	20.2 °C22 July 2023	27.7 °C	1,128 mm	326
2022	36.9 °C29 October 2022	18.5 °C22 August 2022	27.4 °C	1,633 mm	332
2021	37.0 °C25 October 2021	19.5 °C3 August 2021	27.8 °C	1,213 mm	340
2020	37.7 °C15 October 2020	19.0 °C27 July 2020	27.8 °C	1,817 mm	340
2019	38.4 °C28 October 2019	21.1 °C22 June 2019	28.0 °C	1,722 mm	338
2018	38.4 °C21 November 2018	20.8 °C21 July 2018	27.8 °C	1,583 mm	328
2017	38.8 °C5 December 2017	20.5 °C19 July 2017	28.3 °C	1,354 mm	337
2016	38.9 °C16 October 2016	20.5 °C1 July 2016	28.6 °C	1,184 mm	350
2015	39.4 °C2 December 2015	21.1 °C14 August 2015	28.5 °C	878 mm	346
2014	38.3 °C27 October 2014	21.0 °C14 July 2014	28.2 °C	1,133 mm	347
2013	38.7 °C9 November 2013	22.2 °C28 May 2013	28.6 °C	1,308 mm	358
2012	40.1 °C24 October 2012	20.4 °C30 July 2012	28.9 °C	1,027 mm	357
2011	39.0 °C30 December 2011	21.6 °C3 July 2011	28.0 °C	1,915 mm	332
2010	39.5 °C8 November 2010	19.9 °C27 June 2010	28.8 °C	1,119 mm	358
2009	39.3 °C19 December 2009	20.9 °C14 August 2009	27.9 °C	2,121 mm	323
2008	38.6 °C1 December 2008	20.3 °C23 June 2008	28.0 °C	1,625 mm	327
2007	40.1 °C26 January 2007	21.1 °C22 June 2007	28.5 °C	1,284 mm	347
2006	38.5 °C9 October 2006	20.3 °C7 August 2006	28.1 °C	1,229 mm	330
2005	40.0 °C20 November 2005	20.8 °C22 July 2005	28.4 °C	1,049 mm	350
2004	38.9 °C4 December 2004	20.4 °C9 June 2004	27.8 °C	1,426 mm	330
2003	38.5 °C6 January 2003	20.6 °C16 July 2003	27.8 °C	1,328 mm	340
2002	37.9 °C10 October 2002	20.5 °C20 June 2002	27.8 °C	1,308 mm	326
2001	38.7 °C31 October 2001	20.3 °C3 August 2001	27.4 °C	1,328 mm	317
2000	37.9 °C7 November 2000	20.8 °C13 February 2000	27.1 °C	1,604 mm	301
1999	39.5 °C10 November 1999	20.1 °C4 July 1999	27.3 °C	1,720 mm	317
1998	38.3 °C30 October 1998	21.8 °C25 July 1998	28.2 °C	1,241 mm	349
1997	39.2 °C6 October 1997	20.5 °C10 July 1997	27.7 °C	1,313 mm	328
1996	37.6 °C11 November 1996	21.3 °C29 May 1996	27.4 °C	1,907 mm	318
1995	38.4 °C14 November 1995	21.0 °C31 July 1995	27.5 °C	1,521 mm	312
1994	37.8 °C21 November 1994	19.8 °C2 July 1994	27.4 °C	1,867 mm	306
1993	39.7 °C9 December 1993	20.3 °C18 July 1993	28.3 °C	1,110 mm	344
1992	38.3 °C5 January 1992	19.1 °C22 July 1992	28.1 °C	873 mm	338
1991	37.8 °C23 December 1991	20.1 °C30 July 1991	27.5 °C	1,479 mm	328
1990	37.6 °C1 November 1990	20.9 °C8 August 1990	27.7 °C	986 mm	343
1989	37.2 °C29 October 1989	21.0 °C6 May 1989	27.1 °C	1,648 mm	302
1988	38.6 °C22 November 1988	20.0 °C3 August 1988	27.4 °C	1,697 mm	306
1987	39.0 °C28 November 1987	21.7 °C28 June 1987	28.1 °C	995 mm	333
1986	38.1 °C18 December 1986	20.7 °C16 June 1986	27.1 °C	1,701 mm	289
1985	38.5 °C22 October 1985	20.7 °C25 June 1985	26.7 °C	2,319 mm	260
1984	38.9 °C13 December 1984	19.3 °C27 July 1984	27.4 °C	1,751 mm	308
1983	38.0 °C3 November 1983	21.8 °C26 July 1983	28.4 °C	712 mm	348
1982	38.1 °C18 November 1982	21.0 °C6 July 1982	27.6 °C	1,258 mm	324
1981	38.5 °C11 December 1981	20.3 °C28 July 1981	27.8 °C	1,325 mm	333
1980	38.4 °C7 December 1980	21.0 °C6 July 1980	27.5 °C	1,662 mm	323
1979	38.6 °C2 November 1979	19.6 °C23 June 1979	27.4 °C	1,471 mm	325
1978	36.5 °C2 October 1978	20.5 °C2 August 1978	27.0 °C	1,674 mm	319
1977	38.4 °C22 November 1977	20.3 °C14 July 1977	27.0 °C	2,098 mm	289
1976	36.7 °C23 September 1976	18.6 °C20 July 1976	26.8 °C	1,647 mm	319
1975	36.4 °C14 October 1975	18.8 °C27 July 1975	26.6 °C	1,725 mm	277
1974	36.7 °C25 October 1974	19.0 °C12 June 1974	26.3 °C	2,085 mm	244
1973	37.1 °C12 November 1973	20.2 °C20 January 1973	26.9 °C	2,031 mm	312
1972	38.1 °C16 November 1972	20.7 °C31 May 1972	27.1 °C	1,469 mm	320
1971	36.7 °C27 November 1971	19.7 °C22 August 1971	26.6 °C	1,835 mm	273
1970	37.3 °C25 November 1970	19.5 °C3 August 1970	27.3 °C	1,319 mm	316
1969	37.2 °C6 October 1969	20.2 °C16 August 1969	27.3 °C	1,116 mm	324
1968	37.2 °C16 October 1968	20.2 °C4 July 1968	26.7 °C	1,476 mm	263
1967	37.0 °C4 December 1967	20.5 °C29 April 1967	26.7 °C	1,928 mm	275
1966	38.5 °C25 October 1966	21.1 °C14 June 1966	27.3 °C	1,554 mm	269
1965	39.0 °C7 November 1965	20.3 °C7 July 1965	27.4 °C	996 mm	263
1964	38.5 °C9 November 1964	21.0 °C16 June 1964	27.0 °C	1,552 mm	223
1963	38.5 °C3 October 1963	20.7 °C17 June 1963	27.3 °C	1,294 mm	255
1962	38.6 °C18 October 1962	20.4 °C19 June 1962	27.3 °C	1,222 mm	278
1961	38.9 °C2 November 1961	21.1 °C13 February 1961	27.3 °C	1,653 mm	249
1960	39.1 °C8 December 1960	20.9 °C11 February 1960	27.4 °C	1,581 mm	269
1959	38.5 °C1 December 1959	21.1 °C19 June 1959	27.3 °C	1,638 mm	255
1958	39.4 °C20 November 1958	21.0 °C4 March 1958	28.4 °C	830 mm	348
1957	38.9 °C31 October 1957	21.0 °C10 February 1957	27.5 °C	1,322 mm	260
1956	38.4 °C26 October 1956	20.9 °C16 March 1956	27.5 °C	1,076 mm	291
1955	38.6 °C13 January 1955	21.1 °C9 February 1955	27.2 °C	1,382 mm	259
1954	38.4 °C18 October 1954	21.3 °C27 May 1954	27.3 °C	1,194 mm	287
1953	38.8 °C3 November 1953	21.1 °C6 March 1953	27.4 °C	1,203 mm	280
1952	38.2 °C20 October 1952	21.5 °C11 April 1952	27.3 °C	1,457 mm	274
1951	38.5 °C8 December 1951	20.9 °C25 April 1951	27.9 °C	891 mm	315
1950	39.0 °C29 November 1950	20.8 °C27 May 1950	27.5 °C	1,257 mm	257
1949	38.8 °C7 November 1949	21.0 °C18 May 1949	27.3 °C	1,588 mm	250
1948	38.9 °C7 November 1948	21.1 °C24 April 1948	27.6 °C	1,158 mm	290
1947	38.5 °C10 October 1947	20.9 °C15 August 1947	27.2 °C	1,548 mm	278
1946	39.5 °C12 December 1946	21.3 °C6 January 1946	28.1 °C	819 mm	327
1945	38.9 °C10 November 1945	20.2 °C12 June 1945	27.3 °C	1,111 mm	284
1944	38.9 °C3 November 1944	21.2 °C13 March 1944	27.5 °C	1,884 mm	254
1943	38.6 °C24 October 1943	20.7 °C8 February 1943	26.9 °C	1,443 mm	246
1942	39.0 °C20 November 1942	20.7 °C9 July 1942	28.1 °C	960 mm	342
1941	39.4 °C14 October 1941	21.7 °C15 June 1941	28.4 °C	739 mm	334
1940	37.8 °C25 October 1940	20.9 °C12 February 1940	27.2 °C	1,461 mm	241

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

33.4 °C

+0.6 °C

Hot days (≥ 30 °C)

344 d/yr

+36

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1043 mm

-366 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.0 °C	+0.2 °C	184 mm	-9 mm
Feb	31.3 °C	+0.4 °C	248 mm	+3 mm
Mar	30.9 °C	+0.5 °C	371 mm	+49 mm
Apr	31.6 °C	+1.2 °C	104 mm	-190 mm
May	31.4 °C	+0.8 °C	70 mm	-100 mm
Jun	32.0 °C	+0.9 °C	17 mm	-30 mm
Jul	33.2 °C	+0.8 °C	5 mm	-15 mm
Aug	34.5 °C	+0.4 °C	1 mm	-4 mm
Sep	36.0 °C	+0.6 °C	0 mm	-5 mm
Oct	36.7 °C	+0.7 °C	4 mm	-5 mm
Nov	36.2 °C	+0.5 °C	2 mm	-22 mm
Dec	34.5 °C	+0.2 °C	35 mm	-38 mm

The year's extremes

Hottest day

38.0 °C

15 Oct 2025

Coldest day

20.8 °C

14 Jul 2025

Wettest day

111.4 mm

2 Mar 2025

Windiest day

24.1 km/h

13 Oct 2025

Strongest gust

49.3 km/h

22 Jun 2025

Hottest feels-like

41.2 °C

11 Sep 2025

Coldest feels-like

22.2 °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 Chapadinha?

Chapadinha has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 1,409 mm of precipitation per year.

What is the hottest day ever recorded in Chapadinha?

The hottest day measured in Chapadinha between 1940 and 2025 was 26 January 2007, reaching 40.1 °C.

What is the coldest day in Chapadinha?

The coldest day measured in Chapadinha between 1940 and 2025 was 22 August 2022, at 18.5 °C.

Does it snow in Chapadinha?

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

Has the climate of Chapadinha warmed?

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

What is the wettest day in Chapadinha?

The wettest day measured in Chapadinha between 1940 and 2025 was 16 May 1984, with 192 mm of rain in 24 hours.

What was the windiest day in Chapadinha?

The windiest day measured in Chapadinha between 1940 and 2025 was 16 August 1991, with winds reaching 28.8 km/h.

What is the warmest month in Chapadinha?

The warmest month in Chapadinha is October (29.5 °C on average); the coldest is March (26.0 °C).

How much does it rain in Chapadinha?

Chapadinha receives on average 1,409 mm of precipitation per year, spread over about 150 rainy days.

Is it sunny in Chapadinha?

Chapadinha gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.

Are there tropical nights in Chapadinha?

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

What was the most extreme apparent temperature in Chapadinha?

In Chapadinha, between 1940 and 2025, the highest apparent temperature reached 43.2 °C on 18 November 2016, and the lowest was 19.1 °C on 4 July 1974.

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