Anajatuba climate — normals and trends

Q: What is the climate of Anajatuba?

Anajatuba has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.4 °C and it receives 1,768 mm of precipitation per year.

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

The hottest day measured in Anajatuba between 1940 and 2025 was 12 December 1946, reaching 39.8 °C.

Q: What is the coldest day in Anajatuba?

The coldest day measured in Anajatuba between 1940 and 2025 was 27 July 1975, at 19.7 °C.

Q: Does it snow in Anajatuba?

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

Q: Has the climate of Anajatuba warmed?

Yes: Anajatuba warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Anajatuba?

The wettest day measured in Anajatuba between 1940 and 2025 was 28 March 1959, with 233 mm of rain in 24 hours.

Q: What was the windiest day in Anajatuba?

The windiest day measured in Anajatuba between 1940 and 2025 was 9 November 1965, with winds reaching 24.9 km/h.

Q: What is the warmest month in Anajatuba?

The warmest month in Anajatuba is October (28.8 °C on average); the coldest is March (26.2 °C).

Q: How much does it rain in Anajatuba?

Anajatuba receives on average 1,768 mm of precipitation per year, spread over about 183 rainy days.

Q: Is it sunny in Anajatuba?

Anajatuba gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Anajatuba (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.4 °C and it receives 1,768 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 (28.8 °C on average) and the coldest is March (26.2 °C). Rainfall peaks in March.

Anajatuba averages 0 frost days, 307 hot days (≥ 30 °C) and 183 rainy days per year.

Anajatuba has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.8 °C (on 12 December 1946) and the coldest 19.7 °C (on 27 July 1975).

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

AnajatubaMaranhão

coords: -3.26°, -44.62°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthOctoberColdest monthMarchWettest monthMarchDriest monthSeptember

Mean daily temperature

27.4°C

Average daily high

32.2°C

Average daily low

24.0°C

Annual rainfall

1,768mm

Sunshine / day

10.6h

Mean relative humidity

77%

Average peak wind

13.5km/h

Seasonal range

2.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

307 d/yr

Rainy days (≥ 1 mm)

183 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.8 °C

Average feels-like low

28.1 °C

Average peak gust

33.3 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

18.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.33 · 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

39.8 °C

12 December 1946

Coldest day

19.7 °C

27 July 1975

Wettest day

233 mm

28 March 1959

Windiest day

24.9 km/h

9 November 1965

Strongest gust

58.7 km/h

22 September 1983

Hottest feels-like

43.2 °C

25 October 2017

Coldest feels-like

20.2 °C

4 July 1974

Sunniest day

12.0 h

2 January 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	37.6 °C15 October 2025	21.2 °C14 July 2025	28.0 °C	1,461 mm	344
2024	36.9 °C13 October 2024	20.6 °C17 July 2024	28.1 °C	1,457 mm	341
2023	36.8 °C28 October 2023	21.4 °C21 July 2023	27.8 °C	1,481 mm	335
2022	37.5 °C29 October 2022	20.3 °C22 August 2022	27.5 °C	1,913 mm	323
2021	35.4 °C5 September 2021	21.1 °C25 July 2021	27.6 °C	1,704 mm	334
2020	37.9 °C15 October 2020	19.9 °C8 August 2020	27.8 °C	1,941 mm	340
2019	36.6 °C26 October 2019	21.5 °C19 July 2019	27.8 °C	2,346 mm	343
2018	37.6 °C17 September 2018	21.7 °C6 July 2018	27.6 °C	1,908 mm	330
2017	38.7 °C4 December 2017	21.7 °C16 July 2017	28.2 °C	1,759 mm	342
2016	38.5 °C11 October 2016	21.6 °C2 August 2016	28.5 °C	1,237 mm	351
2015	38.6 °C2 December 2015	21.7 °C14 August 2015	28.2 °C	1,353 mm	347
2014	37.2 °C28 November 2014	22.5 °C14 July 2014	27.9 °C	1,750 mm	341
2013	37.2 °C19 September 2013	22.4 °C7 July 2013	28.3 °C	1,484 mm	359
2012	38.9 °C18 October 2012	21.5 °C17 July 2012	28.3 °C	1,520 mm	353
2011	38.3 °C6 December 2011	21.6 °C28 July 2011	27.8 °C	2,169 mm	330
2010	37.9 °C15 October 2010	21.0 °C27 June 2010	28.4 °C	1,479 mm	353
2009	37.3 °C1 November 2009	21.9 °C27 June 2009	27.7 °C	2,374 mm	329
2008	37.4 °C7 October 2008	21.5 °C23 June 2008	27.8 °C	2,042 mm	328
2007	37.9 °C17 November 2007	21.7 °C22 June 2007	28.1 °C	1,464 mm	345
2006	38.3 °C8 October 2006	21.3 °C15 July 2006	27.9 °C	1,697 mm	331
2005	38.5 °C30 November 2005	21.8 °C15 July 2005	28.2 °C	1,386 mm	351
2004	37.5 °C4 December 2004	21.5 °C24 July 2004	27.7 °C	1,644 mm	330
2003	36.6 °C19 October 2003	21.7 °C6 July 2003	27.6 °C	1,791 mm	337
2002	36.9 °C10 October 2002	22.2 °C13 April 2002	27.6 °C	1,801 mm	329
2001	37.3 °C31 October 2001	20.6 °C3 August 2001	27.3 °C	1,904 mm	311
2000	36.9 °C29 November 2000	21.5 °C29 July 2000	27.1 °C	1,733 mm	319
1999	37.9 °C10 November 1999	21.6 °C19 May 1999	27.2 °C	2,119 mm	321
1998	36.7 °C30 October 1998	22.3 °C25 July 1998	28.0 °C	1,291 mm	346
1997	37.6 °C6 October 1997	21.0 °C10 July 1997	27.5 °C	1,470 mm	333
1996	36.6 °C11 November 1996	21.5 °C10 July 1996	27.2 °C	1,975 mm	323
1995	37.6 °C15 October 1995	21.1 °C14 July 1995	27.3 °C	1,939 mm	319
1994	36.3 °C1 December 1994	21.2 °C1 July 1994	27.2 °C	1,986 mm	311
1993	38.3 °C7 December 1993	22.1 °C19 July 1993	27.8 °C	1,382 mm	340
1992	36.9 °C5 January 1992	21.5 °C22 July 1992	27.8 °C	1,250 mm	337
1991	36.6 °C23 December 1991	21.3 °C30 July 1991	27.4 °C	1,631 mm	317
1990	36.1 °C13 October 1990	21.5 °C8 August 1990	27.5 °C	1,305 mm	336
1989	35.9 °C2 November 1989	22.1 °C6 May 1989	27.0 °C	1,978 mm	302
1988	36.7 °C22 November 1988	20.5 °C3 August 1988	27.2 °C	1,921 mm	314
1987	37.7 °C18 December 1987	22.5 °C28 June 1987	27.9 °C	1,395 mm	337
1986	36.2 °C11 November 1986	21.6 °C17 June 1986	27.0 °C	2,091 mm	294
1985	36.4 °C3 October 1985	21.4 °C5 July 1985	26.6 °C	2,653 mm	250
1984	36.9 °C17 December 1984	21.3 °C1 August 1984	26.8 °C	2,197 mm	295
1983	37.2 °C6 December 1983	22.5 °C26 July 1983	28.0 °C	927 mm	351
1982	37.3 °C17 December 1982	22.1 °C19 April 1982	27.3 °C	1,541 mm	319
1981	39.1 °C12 December 1981	21.3 °C28 July 1981	27.6 °C	1,553 mm	333
1980	37.3 °C6 December 1980	21.7 °C18 July 1980	27.2 °C	2,427 mm	326
1979	36.8 °C3 November 1979	21.3 °C23 June 1979	27.1 °C	1,804 mm	326
1978	35.1 °C20 November 1978	20.6 °C2 August 1978	26.8 °C	2,232 mm	298
1977	37.5 °C22 November 1977	21.4 °C22 July 1977	26.9 °C	2,457 mm	286
1976	35.1 °C3 September 1976	20.2 °C20 July 1976	26.6 °C	2,048 mm	295
1975	34.7 °C14 October 1975	19.7 °C27 July 1975	26.5 °C	2,033 mm	259
1974	36.0 °C26 November 1974	20.5 °C4 July 1974	26.1 °C	2,485 mm	231
1973	36.0 °C12 November 1973	21.5 °C20 January 1973	26.7 °C	2,411 mm	300
1972	36.2 °C16 November 1972	21.6 °C16 June 1972	26.9 °C	1,874 mm	303
1971	35.4 °C2 November 1971	20.9 °C11 July 1971	26.4 °C	2,200 mm	249
1970	34.8 °C8 January 1970	20.9 °C19 July 1970	27.0 °C	1,768 mm	316
1969	35.6 °C28 October 1969	21.3 °C30 July 1969	27.2 °C	1,378 mm	324
1968	36.2 °C18 October 1968	20.6 °C4 July 1968	26.7 °C	1,759 mm	267
1967	37.0 °C4 December 1967	21.1 °C17 February 1967	26.8 °C	2,155 mm	270
1966	37.6 °C25 October 1966	21.9 °C10 June 1966	27.1 °C	1,753 mm	261
1965	38.7 °C7 November 1965	21.7 °C7 July 1965	27.2 °C	1,327 mm	264
1964	38.1 °C9 November 1964	21.5 °C16 June 1964	26.8 °C	2,009 mm	217
1963	37.4 °C26 October 1963	21.7 °C17 June 1963	27.1 °C	1,797 mm	250
1962	38.2 °C3 October 1962	21.5 °C13 February 1962	27.0 °C	1,839 mm	274
1961	38.9 °C2 November 1961	21.6 °C7 February 1961	26.9 °C	2,163 mm	249
1960	38.8 °C10 October 1960	21.8 °C11 March 1960	27.1 °C	1,964 mm	266
1959	37.8 °C25 October 1959	21.9 °C24 February 1959	27.0 °C	2,481 mm	268
1958	38.5 °C25 October 1958	22.3 °C4 March 1958	27.9 °C	1,089 mm	344
1957	38.6 °C14 November 1957	21.8 °C2 February 1957	27.2 °C	1,673 mm	261
1956	37.3 °C10 October 1956	21.5 °C16 March 1956	26.9 °C	1,698 mm	267
1955	37.9 °C17 November 1955	21.5 °C9 February 1955	26.9 °C	1,918 mm	270
1954	37.7 °C7 September 1954	22.0 °C3 March 1954	27.0 °C	1,660 mm	285
1953	38.1 °C3 November 1953	21.7 °C13 July 1953	27.1 °C	1,693 mm	286
1952	38.1 °C9 October 1952	21.6 °C30 June 1952	27.0 °C	1,920 mm	259
1951	37.8 °C4 December 1951	21.9 °C7 April 1951	27.5 °C	1,117 mm	310
1950	39.2 °C29 November 1950	21.9 °C30 March 1950	27.2 °C	1,594 mm	262
1949	38.6 °C21 October 1949	21.8 °C13 March 1949	26.9 °C	1,992 mm	253
1948	38.5 °C5 November 1948	22.0 °C22 January 1948	27.4 °C	1,602 mm	296
1947	38.7 °C7 October 1947	21.9 °C9 August 1947	27.0 °C	1,991 mm	283
1946	39.8 °C12 December 1946	21.9 °C14 April 1946	27.7 °C	1,163 mm	320
1945	38.3 °C10 November 1945	21.8 °C3 June 1945	27.2 °C	1,517 mm	292
1944	39.0 °C3 October 1944	22.0 °C14 February 1944	27.4 °C	1,858 mm	265
1943	37.4 °C23 November 1943	21.2 °C5 May 1943	26.8 °C	1,800 mm	253
1942	39.5 °C20 November 1942	21.4 °C9 July 1942	27.7 °C	1,212 mm	340
1941	39.6 °C18 October 1941	22.0 °C16 June 1941	28.0 °C	949 mm	332
1940	36.8 °C3 October 1940	21.4 °C25 March 1940	27.0 °C	1,847 mm	258

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

32.8 °C

+0.6 °C

Hot days (≥ 30 °C)

344 d/yr

+37

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1461 mm

-307 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.9 °C	+0.7 °C	300 mm	+51 mm
Feb	31.0 °C	+0.3 °C	350 mm	+53 mm
Mar	31.3 °C	+0.9 °C	339 mm	-43 mm
Apr	31.6 °C	+1.1 °C	212 mm	-127 mm
May	31.6 °C	+0.8 °C	88 mm	-116 mm
Jun	31.6 °C	+0.7 °C	36 mm	-40 mm
Jul	32.4 °C	+0.8 °C	36 mm	-5 mm
Aug	33.5 °C	+0.2 °C	11 mm	-4 mm
Sep	35.4 °C	+0.9 °C	2 mm	-10 mm
Oct	35.7 °C	+1.0 °C	4 mm	-13 mm
Nov	34.5 °C	+0.2 °C	9 mm	-25 mm
Dec	33.1 °C	+0.1 °C	75 mm	-29 mm

The year's extremes

Hottest day

37.6 °C

15 Oct 2025

Coldest day

21.2 °C

14 Jul 2025

Wettest day

33.4 mm

14 Feb 2025

Windiest day

21.2 km/h

23 Sep 2025

Strongest gust

49.0 km/h

11 Oct 2025

Hottest feels-like

41.9 °C

11 Sep 2025

Coldest feels-like

24.9 °C

14 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 Anajatuba?

Anajatuba has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.4 °C and it receives 1,768 mm of precipitation per year.

What is the hottest day ever recorded in Anajatuba?

The hottest day measured in Anajatuba between 1940 and 2025 was 12 December 1946, reaching 39.8 °C.

What is the coldest day in Anajatuba?

The coldest day measured in Anajatuba between 1940 and 2025 was 27 July 1975, at 19.7 °C.

Does it snow in Anajatuba?

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

Has the climate of Anajatuba warmed?

Yes: Anajatuba warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Anajatuba?

The wettest day measured in Anajatuba between 1940 and 2025 was 28 March 1959, with 233 mm of rain in 24 hours.

What was the windiest day in Anajatuba?

The windiest day measured in Anajatuba between 1940 and 2025 was 9 November 1965, with winds reaching 24.9 km/h.

What is the warmest month in Anajatuba?

The warmest month in Anajatuba is October (28.8 °C on average); the coldest is March (26.2 °C).

How much does it rain in Anajatuba?

Anajatuba receives on average 1,768 mm of precipitation per year, spread over about 183 rainy days.

Is it sunny in Anajatuba?

Anajatuba gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Are there tropical nights in Anajatuba?

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

What was the most extreme apparent temperature in Anajatuba?

In Anajatuba, between 1940 and 2025, the highest apparent temperature reached 43.2 °C on 25 October 2017, and the lowest was 20.2 °C on 4 July 1974.

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