Cajari climate — normals and trends

Q: What is the climate of Cajari?

Cajari has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.4 °C and it receives 1,695 mm of precipitation per year.

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

The hottest day measured in Cajari between 1940 and 2025 was 12 December 1946, reaching 39.1 °C.

Q: What is the coldest day in Cajari?

The coldest day measured in Cajari between 1940 and 2025 was 20 July 1976, at 20.9 °C.

Q: Does it snow in Cajari?

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

Q: Has the climate of Cajari warmed?

Yes: Cajari warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Cajari?

The wettest day measured in Cajari between 1940 and 2025 was 18 March 1969, with 263 mm of rain in 24 hours.

Q: What was the windiest day in Cajari?

The windiest day measured in Cajari between 1940 and 2025 was 27 December 1941, with winds reaching 25.8 km/h.

Q: What is the warmest month in Cajari?

The warmest month in Cajari is October (28.6 °C on average); the coldest is March (26.4 °C).

Q: How much does it rain in Cajari?

Cajari receives on average 1,695 mm of precipitation per year, spread over about 190 rainy days.

Q: Is it sunny in Cajari?

Cajari gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Cajari (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.4 °C and it receives 1,695 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 (28.6 °C on average) and the coldest is March (26.4 °C). Rainfall peaks in March.

Cajari averages 0 frost days, 294 hot days (≥ 30 °C) and 190 rainy days per year.

Cajari has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.1 °C (on 12 December 1946) and the coldest 20.9 °C (on 20 July 1976).

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

CajariMaranhão

coords: -3.32°, -45.01°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthOctoberColdest monthMarchWettest monthMarchDriest monthSeptember

Mean daily temperature

27.4°C

Average daily high

31.7°C

Average daily low

24.4°C

Annual rainfall

1,695mm

Sunshine / day

10.4h

Mean relative humidity

78%

Average peak wind

14.2km/h

Seasonal range

2.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

294 d/yr

Rainy days (≥ 1 mm)

190 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.6 °C

Average feels-like low

28.7 °C

Average peak gust

33.3 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

18.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.42 · 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

39.1 °C

12 December 1946

Coldest day

20.9 °C

20 July 1976

Wettest day

263 mm

18 March 1969

Windiest day

25.8 km/h

27 December 1941

Strongest gust

57.2 km/h

8 September 1993

Hottest feels-like

43.3 °C

25 October 2017

Coldest feels-like

21.1 °C

4 July 1974

Sunniest day

12.0 h

2 January 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	36.9 °C27 October 2025	22.0 °C14 July 2025	27.9 °C	1,523 mm	340
2024	36.2 °C28 October 2024	21.8 °C17 July 2024	28.3 °C	1,364 mm	343
2023	36.4 °C28 October 2023	22.1 °C21 July 2023	28.0 °C	1,438 mm	332
2022	37.1 °C29 October 2022	21.3 °C22 August 2022	27.6 °C	1,964 mm	308
2021	34.6 °C29 August 2021	20.9 °C3 August 2021	27.6 °C	1,634 mm	328
2020	37.0 °C15 October 2020	20.9 °C27 July 2020	27.9 °C	2,079 mm	337
2019	36.2 °C27 October 2019	21.4 °C19 July 2019	27.9 °C	2,021 mm	337
2018	36.8 °C17 September 2018	22.0 °C6 July 2018	27.7 °C	1,833 mm	332
2017	38.3 °C4 December 2017	21.8 °C19 July 2017	28.2 °C	1,683 mm	341
2016	38.0 °C4 November 2016	22.0 °C27 July 2016	28.5 °C	1,254 mm	350
2015	38.0 °C16 October 2015	22.5 °C25 March 2015	28.1 °C	1,330 mm	350
2014	36.8 °C30 October 2014	22.5 °C6 July 2014	27.9 °C	1,651 mm	333
2013	36.6 °C15 October 2013	22.3 °C11 July 2013	28.2 °C	1,675 mm	353
2012	38.1 °C18 October 2012	21.5 °C17 July 2012	28.1 °C	1,347 mm	347
2011	36.9 °C23 September 2011	21.8 °C29 July 2011	27.7 °C	2,299 mm	328
2010	37.5 °C15 September 2010	21.8 °C27 June 2010	28.5 °C	1,484 mm	351
2009	36.5 °C29 September 2009	22.7 °C27 June 2009	27.7 °C	2,112 mm	326
2008	37.3 °C7 October 2008	22.3 °C23 June 2008	27.8 °C	1,999 mm	322
2007	37.3 °C7 November 2007	21.7 °C30 July 2007	28.1 °C	1,462 mm	339
2006	37.6 °C8 October 2006	22.3 °C15 July 2006	28.0 °C	1,859 mm	330
2005	37.9 °C30 November 2005	22.4 °C23 July 2005	28.2 °C	1,457 mm	341
2004	36.9 °C4 December 2004	22.1 °C24 July 2004	27.7 °C	1,571 mm	329
2003	35.9 °C28 October 2003	22.1 °C16 July 2003	27.7 °C	1,704 mm	335
2002	36.4 °C10 October 2002	22.1 °C11 January 2002	27.6 °C	1,957 mm	323
2001	36.7 °C31 October 2001	21.6 °C3 August 2001	27.4 °C	1,829 mm	314
2000	36.4 °C18 November 2000	22.2 °C30 July 2000	27.2 °C	1,690 mm	323
1999	36.5 °C10 November 1999	21.9 °C29 June 1999	27.3 °C	2,005 mm	314
1998	36.2 °C4 October 1998	23.0 °C25 July 1998	28.0 °C	1,298 mm	342
1997	37.5 °C6 October 1997	21.8 °C10 July 1997	27.6 °C	1,378 mm	324
1996	35.7 °C11 November 1996	22.1 °C4 July 1996	27.3 °C	2,024 mm	314
1995	37.6 °C15 October 1995	22.2 °C14 July 1995	27.4 °C	1,856 mm	314
1994	35.5 °C1 December 1994	22.0 °C1 July 1994	27.2 °C	1,959 mm	305
1993	37.2 °C7 December 1993	22.8 °C21 July 1993	27.6 °C	1,253 mm	333
1992	36.2 °C17 December 1992	22.5 °C22 July 1992	27.7 °C	1,428 mm	329
1991	35.6 °C23 September 1991	22.1 °C24 July 1991	27.4 °C	1,620 mm	313
1990	35.0 °C1 November 1990	22.8 °C8 August 1990	27.4 °C	1,243 mm	324
1989	34.9 °C25 September 1989	22.8 °C15 January 1989	27.0 °C	1,800 mm	287
1988	35.6 °C20 October 1988	21.4 °C3 August 1988	27.3 °C	1,952 mm	311
1987	36.2 °C18 December 1987	23.0 °C19 January 1987	27.8 °C	1,475 mm	328
1986	35.4 °C11 November 1986	22.6 °C12 June 1986	26.9 °C	1,865 mm	279
1985	35.4 °C3 October 1985	22.2 °C5 July 1985	26.7 °C	2,315 mm	242
1984	35.4 °C17 December 1984	21.6 °C27 July 1984	26.8 °C	2,060 mm	279
1983	36.9 °C6 December 1983	23.1 °C12 August 1983	27.9 °C	1,022 mm	351
1982	37.3 °C17 December 1982	23.0 °C27 January 1982	27.3 °C	1,457 mm	305
1981	38.5 °C12 December 1981	22.1 °C27 July 1981	27.6 °C	1,283 mm	327
1980	36.5 °C6 December 1980	22.2 °C16 January 1980	27.2 °C	2,179 mm	315
1979	35.5 °C3 November 1979	21.9 °C19 June 1979	27.1 °C	1,862 mm	311
1978	35.0 °C21 November 1978	22.0 °C5 August 1978	26.9 °C	2,187 mm	274
1977	36.7 °C22 November 1977	22.3 °C24 July 1977	26.9 °C	2,359 mm	269
1976	34.9 °C23 September 1976	20.9 °C20 July 1976	26.6 °C	1,831 mm	262
1975	33.9 °C18 November 1975	21.0 °C27 July 1975	26.5 °C	1,852 mm	248
1974	35.3 °C26 November 1974	21.1 °C25 June 1974	26.2 °C	2,636 mm	205
1973	34.7 °C12 November 1973	22.3 °C20 January 1973	26.8 °C	2,259 mm	276
1972	35.4 °C16 November 1972	22.3 °C2 April 1972	26.9 °C	1,762 mm	287
1971	34.6 °C26 November 1971	21.6 °C11 July 1971	26.5 °C	2,064 mm	242
1970	34.5 °C6 October 1970	21.7 °C19 July 1970	27.0 °C	1,777 mm	306
1969	35.0 °C28 October 1969	21.7 °C30 July 1969	27.3 °C	1,556 mm	310
1968	35.1 °C8 October 1968	21.4 °C4 July 1968	26.7 °C	1,650 mm	249
1967	36.0 °C4 December 1967	22.0 °C13 February 1967	26.8 °C	2,093 mm	259
1966	36.4 °C25 October 1966	22.8 °C10 June 1966	27.0 °C	1,778 mm	231
1965	37.8 °C7 November 1965	22.6 °C3 October 1965	27.1 °C	1,202 mm	242
1964	36.4 °C9 November 1964	22.4 °C23 May 1964	26.8 °C	1,871 mm	197
1963	36.6 °C7 September 1963	22.5 °C1 February 1963	27.1 °C	1,565 mm	250
1962	37.1 °C18 October 1962	21.8 °C20 June 1962	27.0 °C	1,774 mm	248
1961	37.9 °C16 October 1961	22.2 °C7 February 1961	26.9 °C	1,886 mm	238
1960	37.9 °C10 October 1960	22.6 °C21 March 1960	27.1 °C	1,921 mm	235
1959	36.7 °C25 October 1959	22.1 °C5 August 1959	26.9 °C	2,054 mm	256
1958	37.5 °C6 September 1958	23.4 °C2 March 1958	27.9 °C	914 mm	332
1957	37.4 °C31 October 1957	22.3 °C20 January 1957	27.1 °C	1,646 mm	246
1956	36.0 °C22 November 1956	22.4 °C5 February 1956	26.9 °C	1,565 mm	229
1955	37.1 °C22 September 1955	22.3 °C15 July 1955	26.9 °C	1,733 mm	238
1954	37.2 °C7 September 1954	22.3 °C21 July 1954	27.0 °C	1,435 mm	250
1953	36.7 °C22 October 1953	22.6 °C17 January 1953	27.1 °C	1,574 mm	254
1952	36.8 °C9 October 1952	22.5 °C30 June 1952	26.9 °C	1,887 mm	241
1951	36.7 °C23 September 1951	23.0 °C10 January 1951	27.5 °C	1,043 mm	293
1950	38.1 °C10 December 1950	21.9 °C10 July 1950	27.1 °C	1,479 mm	239
1949	37.8 °C21 October 1949	22.4 °C23 July 1949	26.9 °C	1,635 mm	236
1948	37.1 °C5 November 1948	22.5 °C3 February 1948	27.3 °C	1,451 mm	275
1947	37.7 °C7 October 1947	22.3 °C10 July 1947	27.0 °C	1,846 mm	251
1946	39.1 °C12 December 1946	22.5 °C9 January 1946	27.6 °C	1,026 mm	297
1945	36.5 °C13 November 1945	22.4 °C5 February 1945	27.2 °C	1,386 mm	266
1944	38.0 °C28 September 1944	22.5 °C18 May 1944	27.4 °C	1,774 mm	249
1943	36.3 °C23 November 1943	22.3 °C10 February 1943	26.7 °C	1,883 mm	214
1942	38.2 °C20 November 1942	22.0 °C9 July 1942	27.6 °C	1,209 mm	322
1941	38.6 °C14 October 1941	23.0 °C15 June 1941	27.7 °C	974 mm	322
1940	35.9 °C25 October 1940	22.1 °C25 March 1940	26.9 °C	1,704 mm	248

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

32.4 °C

+0.7 °C

Hot days (≥ 30 °C)

340 d/yr

+46

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1523 mm

-172 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.5 °C	+0.6 °C	279 mm	+58 mm
Feb	30.7 °C	+0.3 °C	305 mm	+29 mm
Mar	31.4 °C	+1.2 °C	350 mm	-6 mm
Apr	31.6 °C	+1.3 °C	206 mm	-129 mm
May	31.6 °C	+1.0 °C	108 mm	-95 mm
Jun	31.3 °C	+0.6 °C	58 mm	-24 mm
Jul	31.7 °C	+0.5 °C	71 mm	+25 mm
Aug	32.6 °C	-0.1 °C	17 mm	-1 mm
Sep	34.7 °C	+1.0 °C	3 mm	-10 mm
Oct	35.0 °C	+1.0 °C	5 mm	-12 mm
Nov	34.1 °C	+0.4 °C	9 mm	-23 mm
Dec	32.7 °C	+0.2 °C	113 mm	+16 mm

The year's extremes

Hottest day

36.9 °C

27 Oct 2025

Coldest day

22.0 °C

14 Jul 2025

Wettest day

59.3 mm

21 Dec 2025

Windiest day

23.2 km/h

23 Sep 2025

Strongest gust

49.0 km/h

1 Aug 2025

Hottest feels-like

40.6 °C

14 Apr 2025

Coldest feels-like

26.1 °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 Cajari?

Cajari has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.4 °C and it receives 1,695 mm of precipitation per year.

What is the hottest day ever recorded in Cajari?

The hottest day measured in Cajari between 1940 and 2025 was 12 December 1946, reaching 39.1 °C.

What is the coldest day in Cajari?

The coldest day measured in Cajari between 1940 and 2025 was 20 July 1976, at 20.9 °C.

Does it snow in Cajari?

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

Has the climate of Cajari warmed?

Yes: Cajari warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Cajari?

The wettest day measured in Cajari between 1940 and 2025 was 18 March 1969, with 263 mm of rain in 24 hours.

What was the windiest day in Cajari?

The windiest day measured in Cajari between 1940 and 2025 was 27 December 1941, with winds reaching 25.8 km/h.

What is the warmest month in Cajari?

The warmest month in Cajari is October (28.6 °C on average); the coldest is March (26.4 °C).

How much does it rain in Cajari?

Cajari receives on average 1,695 mm of precipitation per year, spread over about 190 rainy days.

Is it sunny in Cajari?

Cajari gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Are there tropical nights in Cajari?

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

What was the most extreme apparent temperature in Cajari?

In Cajari, between 1940 and 2025, the highest apparent temperature reached 43.3 °C on 25 October 2017, and the lowest was 21.1 °C on 4 July 1974.

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