Caxias climate — normals and trends

Q: What is the climate of Caxias?

Caxias has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 1,457 mm of precipitation per year.

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

The hottest day measured in Caxias between 1940 and 2025 was 24 October 2012, reaching 41.2 °C.

Q: What is the coldest day in Caxias?

The coldest day measured in Caxias between 1940 and 2025 was 1 September 2024, at 18.1 °C.

Q: Does it snow in Caxias?

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

Q: Has the climate of Caxias warmed?

Yes: Caxias warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Caxias?

The wettest day measured in Caxias between 1940 and 2025 was 22 December 1972, with 198 mm of rain in 24 hours.

Q: What was the windiest day in Caxias?

The windiest day measured in Caxias between 1940 and 2025 was 16 August 1991, with winds reaching 26.5 km/h.

Q: What is the warmest month in Caxias?

The warmest month in Caxias is October (29.9 °C on average); the coldest is March (25.8 °C).

Q: How much does it rain in Caxias?

Caxias receives on average 1,457 mm of precipitation per year, spread over about 149 rainy days.

Q: Is it sunny in Caxias?

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

Caxias (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.6 °C and it receives 1,457 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 (29.9 °C on average) and the coldest is March (25.8 °C). Rainfall peaks in March.

Caxias averages 0 frost days, 301 hot days (≥ 30 °C) and 149 rainy days per year.

Caxias has warmed by +0.7 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.2 °C (on 24 October 2012) and the coldest 18.1 °C (on 1 September 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

CaxiasMaranhão

coords: -4.86°, -43.36°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthOctoberColdest monthMarchWettest monthMarchDriest monthAugust

Mean daily temperature

27.6°C

Average daily high

32.8°C

Average daily low

23.2°C

Annual rainfall

1,457mm

Sunshine / day

10.7h

Mean relative humidity

70%

Average peak wind

11.5km/h

Seasonal range

4.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

301 d/yr

Rainy days (≥ 1 mm)

149 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.9 °C

Average feels-like low

26.7 °C

Average peak gust

31.5 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

19.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.7 °C

since 1940

+0.1 °C per decade · r² = 0.11 · p = 0.002

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

41.2 °C

24 October 2012

Coldest day

18.1 °C

1 September 2024

Wettest day

198 mm

22 December 1972

Windiest day

26.5 km/h

16 August 1991

Strongest gust

61.9 km/h

4 October 1958

Hottest feels-like

45.1 °C

31 October 2012

Coldest feels-like

17.9 °C

3 August 2001

Sunniest day

12.0 h

28 November 2024

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.0 °C25 November 2025	20.3 °C18 July 2025	28.3 °C	1,066 mm	344
2024	38.5 °C26 October 2024	18.1 °C1 September 2024	28.1 °C	1,230 mm	349
2023	38.6 °C14 October 2023	20.0 °C18 August 2023	27.7 °C	1,166 mm	330
2022	37.3 °C6 October 2022	18.9 °C28 August 2022	27.1 °C	1,448 mm	323
2021	37.5 °C22 September 2021	19.9 °C26 July 2021	27.7 °C	1,348 mm	334
2020	38.4 °C15 October 2020	18.6 °C13 August 2020	27.8 °C	1,616 mm	339
2019	38.7 °C28 October 2019	20.0 °C19 July 2019	28.1 °C	1,472 mm	338
2018	38.6 °C18 September 2018	20.2 °C21 July 2018	27.9 °C	1,564 mm	328
2017	39.6 °C5 December 2017	20.7 °C19 July 2017	28.4 °C	1,249 mm	338
2016	39.4 °C16 October 2016	19.6 °C23 July 2016	28.8 °C	1,220 mm	347
2015	40.4 °C2 December 2015	20.8 °C18 June 2015	28.6 °C	1,000 mm	345
2014	38.7 °C12 October 2014	20.1 °C28 July 2014	28.1 °C	1,253 mm	342
2013	38.7 °C5 October 2013	22.2 °C21 June 2013	28.6 °C	1,424 mm	349
2012	41.2 °C24 October 2012	21.2 °C30 July 2012	28.9 °C	1,210 mm	353
2011	39.7 °C25 September 2011	20.9 °C19 July 2011	27.9 °C	1,712 mm	323
2010	39.4 °C7 October 2010	19.9 °C27 June 2010	28.7 °C	1,137 mm	350
2009	38.5 °C4 October 2009	20.6 °C10 August 2009	27.8 °C	2,241 mm	313
2008	39.1 °C27 October 2008	19.7 °C23 June 2008	28.0 °C	1,445 mm	315
2007	39.3 °C8 November 2007	20.8 °C19 August 2007	28.5 °C	1,125 mm	340
2006	38.7 °C8 October 2006	20.6 °C2 June 2006	28.0 °C	1,645 mm	328
2005	40.9 °C20 November 2005	20.0 °C11 September 2005	28.3 °C	1,239 mm	342
2004	38.6 °C18 November 2004	19.6 °C9 June 2004	27.9 °C	1,387 mm	329
2003	37.7 °C19 October 2003	19.8 °C16 July 2003	27.7 °C	1,457 mm	330
2002	38.5 °C22 October 2002	20.9 °C21 July 2002	27.7 °C	1,518 mm	325
2001	37.8 °C31 October 2001	20.3 °C29 July 2001	27.2 °C	1,344 mm	310
2000	38.1 °C29 November 2000	20.4 °C5 June 2000	27.2 °C	1,496 mm	317
1999	37.9 °C9 November 1999	19.5 °C4 July 1999	27.1 °C	1,785 mm	305
1998	39.0 °C7 October 1998	21.1 °C5 July 1998	28.3 °C	1,366 mm	335
1997	38.9 °C11 October 1997	19.9 °C16 June 1997	27.5 °C	1,429 mm	321
1996	38.2 °C5 November 1996	19.8 °C4 July 1996	27.3 °C	2,068 mm	300
1995	38.2 °C16 October 1995	20.3 °C31 July 1995	27.2 °C	1,925 mm	297
1994	37.8 °C17 December 1994	20.2 °C19 July 1994	27.3 °C	1,769 mm	300
1993	38.2 °C2 November 1993	20.6 °C21 July 1993	28.1 °C	1,367 mm	326
1992	39.2 °C6 January 1992	19.4 °C19 July 1992	28.2 °C	1,009 mm	330
1991	37.6 °C9 December 1991	20.8 °C13 August 1991	27.6 °C	1,464 mm	328
1990	37.1 °C12 October 1990	21.2 °C5 March 1990	27.6 °C	946 mm	336
1989	37.3 °C5 October 1989	20.6 °C1 August 1989	26.9 °C	1,998 mm	278
1988	37.6 °C20 October 1988	19.6 °C23 September 1988	27.4 °C	1,849 mm	305
1987	38.9 °C28 November 1987	21.1 °C14 August 1987	28.2 °C	1,506 mm	333
1986	37.7 °C18 December 1986	20.2 °C23 July 1986	26.9 °C	1,821 mm	282
1985	37.5 °C22 October 1985	19.8 °C25 June 1985	26.5 °C	2,613 mm	244
1984	37.4 °C22 November 1984	20.2 °C27 July 1984	27.2 °C	1,816 mm	294
1983	38.5 °C17 November 1983	19.8 °C30 July 1983	28.3 °C	973 mm	340
1982	38.7 °C17 November 1982	20.2 °C25 August 1982	27.6 °C	1,247 mm	313
1981	39.2 °C13 December 1981	20.8 °C22 June 1981	28.0 °C	1,138 mm	332
1980	37.5 °C9 October 1980	21.2 °C20 July 1980	27.4 °C	1,584 mm	314
1979	37.4 °C7 October 1979	20.4 °C28 July 1979	27.0 °C	1,767 mm	307
1978	36.7 °C26 November 1978	20.4 °C7 June 1978	26.9 °C	1,947 mm	308
1977	38.4 °C22 November 1977	19.2 °C5 August 1977	26.9 °C	2,034 mm	286
1976	36.7 °C23 September 1976	19.4 °C15 July 1976	26.7 °C	1,731 mm	302
1975	36.5 °C14 October 1975	19.7 °C25 July 1975	26.5 °C	1,758 mm	271
1974	35.3 °C7 October 1974	19.0 °C12 June 1974	26.1 °C	2,416 mm	235
1973	36.9 °C8 October 1973	19.1 °C20 January 1973	26.7 °C	2,191 mm	286
1972	37.4 °C23 October 1972	20.4 °C21 July 1972	27.1 °C	1,767 mm	307
1971	36.5 °C26 September 1971	20.0 °C25 June 1971	26.4 °C	1,881 mm	257
1970	36.7 °C10 October 1970	20.3 °C1 July 1970	27.3 °C	1,201 mm	321
1969	37.0 °C6 October 1969	19.4 °C25 August 1969	27.3 °C	1,061 mm	326
1968	36.8 °C18 October 1968	19.2 °C27 July 1968	26.5 °C	1,590 mm	235
1967	36.2 °C23 October 1967	19.8 °C15 July 1967	26.5 °C	1,766 mm	266
1966	38.6 °C1 October 1966	20.5 °C10 August 1966	27.3 °C	1,622 mm	253
1965	39.4 °C15 November 1965	19.3 °C15 July 1965	27.7 °C	1,141 mm	280
1964	38.9 °C9 November 1964	20.2 °C3 June 1964	27.1 °C	1,498 mm	219
1963	39.5 °C17 October 1963	20.2 °C17 June 1963	27.6 °C	1,344 mm	248
1962	39.1 °C20 October 1962	19.5 °C19 June 1962	27.4 °C	1,113 mm	251
1961	39.4 °C2 November 1961	20.0 °C8 February 1961	27.5 °C	1,372 mm	247
1960	39.7 °C8 December 1960	20.7 °C10 May 1960	27.8 °C	1,513 mm	264
1959	38.9 °C14 October 1959	18.5 °C7 July 1959	27.5 °C	1,659 mm	238
1958	40.0 °C18 October 1958	20.9 °C4 March 1958	28.6 °C	917 mm	336
1957	39.4 °C5 November 1957	19.9 °C7 June 1957	27.8 °C	1,335 mm	256
1956	38.9 °C6 November 1956	20.6 °C17 April 1956	27.3 °C	1,250 mm	255
1955	39.2 °C8 October 1955	20.3 °C9 February 1955	27.5 °C	1,232 mm	261
1954	38.7 °C18 October 1954	19.8 °C9 September 1954	27.4 °C	1,115 mm	278
1953	39.1 °C3 November 1953	19.6 °C12 July 1953	27.6 °C	1,002 mm	272
1952	38.6 °C3 December 1952	19.7 °C26 June 1952	27.4 °C	1,583 mm	263
1951	39.0 °C8 December 1951	21.1 °C3 May 1951	27.9 °C	840 mm	312
1950	39.2 °C29 November 1950	20.6 °C26 May 1950	27.9 °C	1,295 mm	267
1949	39.7 °C10 October 1949	20.9 °C3 June 1949	27.5 °C	1,354 mm	246
1948	39.1 °C10 November 1948	20.7 °C7 April 1948	27.7 °C	1,202 mm	273
1947	39.0 °C10 October 1947	21.2 °C30 March 1947	27.1 °C	1,733 mm	248
1946	39.1 °C30 October 1946	20.2 °C2 July 1946	28.1 °C	917 mm	312
1945	39.5 °C10 November 1945	19.1 °C24 June 1945	27.3 °C	1,018 mm	265
1944	38.9 °C1 October 1944	20.6 °C19 June 1944	27.6 °C	1,869 mm	255
1943	39.1 °C24 October 1943	19.4 °C23 August 1943	26.7 °C	1,404 mm	239
1942	39.7 °C21 November 1942	20.8 °C14 May 1942	28.4 °C	896 mm	327
1941	39.9 °C23 October 1941	20.2 °C1 June 1941	28.6 °C	869 mm	333
1940	38.0 °C1 November 1940	20.4 °C7 July 1940	27.2 °C	1,377 mm	247

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

33.8 °C

+1.0 °C

Hot days (≥ 30 °C)

344 d/yr

+43

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1066 mm

-391 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.7 °C	+0.5 °C	223 mm	-1 mm
Feb	31.5 °C	+1.0 °C	244 mm	-26 mm
Mar	30.9 °C	+0.8 °C	363 mm	+13 mm
Apr	32.0 °C	+1.8 °C	118 mm	-158 mm
May	32.8 °C	+2.0 °C	18 mm	-103 mm
Jun	33.0 °C	+1.0 °C	5 mm	-21 mm
Jul	34.2 °C	+1.0 °C	1 mm	-9 mm
Aug	35.3 °C	+0.7 °C	2 mm	-3 mm
Sep	36.9 °C	+1.1 °C	0 mm	-6 mm
Oct	37.1 °C	+1.0 °C	8 mm	-9 mm
Nov	36.4 °C	+1.3 °C	6 mm	-36 mm
Dec	33.6 °C	+0.1 °C	79 mm	-32 mm

The year's extremes

Hottest day

39.0 °C

25 Nov 2025

Coldest day

20.3 °C

18 Jul 2025

Wettest day

116.6 mm

17 Mar 2025

Windiest day

21.7 km/h

5 Sep 2025

Strongest gust

50.4 km/h

14 Jun 2025

Hottest feels-like

42.9 °C

20 Oct 2025

Coldest feels-like

20.5 °C

27 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 Caxias?

Caxias has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 1,457 mm of precipitation per year.

What is the hottest day ever recorded in Caxias?

The hottest day measured in Caxias between 1940 and 2025 was 24 October 2012, reaching 41.2 °C.

What is the coldest day in Caxias?

The coldest day measured in Caxias between 1940 and 2025 was 1 September 2024, at 18.1 °C.

Does it snow in Caxias?

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

Has the climate of Caxias warmed?

Yes: Caxias warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Caxias?

The wettest day measured in Caxias between 1940 and 2025 was 22 December 1972, with 198 mm of rain in 24 hours.

What was the windiest day in Caxias?

The windiest day measured in Caxias between 1940 and 2025 was 16 August 1991, with winds reaching 26.5 km/h.

What is the warmest month in Caxias?

The warmest month in Caxias is October (29.9 °C on average); the coldest is March (25.8 °C).

How much does it rain in Caxias?

Caxias receives on average 1,457 mm of precipitation per year, spread over about 149 rainy days.

Is it sunny in Caxias?

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

Are there tropical nights in Caxias?

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

What was the most extreme apparent temperature in Caxias?

In Caxias, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 31 October 2012, and the lowest was 17.9 °C on 3 August 2001.

Compare Caxias with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Caxias

Other cities — Brazil

All cities in Brazil →