Pirapemas climate — normals and trends

Q: What is the climate of Pirapemas?

Pirapemas has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 1,443 mm of precipitation per year.

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

The hottest day measured in Pirapemas between 1940 and 2025 was 9 December 1993, reaching 40.0 °C.

Q: What is the coldest day in Pirapemas?

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

Q: Does it snow in Pirapemas?

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

Q: Has the climate of Pirapemas warmed?

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

Q: What is the wettest day in Pirapemas?

The wettest day measured in Pirapemas between 1940 and 2025 was 13 February 1993, with 240 mm of rain in 24 hours.

Q: What was the windiest day in Pirapemas?

The windiest day measured in Pirapemas between 1940 and 2025 was 17 July 1947, with winds reaching 26.9 km/h.

Q: What is the warmest month in Pirapemas?

The warmest month in Pirapemas is October (29.6 °C on average); the coldest is March (26.0 °C).

Q: How much does it rain in Pirapemas?

Pirapemas receives on average 1,443 mm of precipitation per year, spread over about 163 rainy days.

Q: Is it sunny in Pirapemas?

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

Pirapemas (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.6 °C and it receives 1,443 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 (29.6 °C on average) and the coldest is March (26.0 °C). Rainfall peaks in March.

Pirapemas averages 0 frost days, 303 hot days (≥ 30 °C) and 163 rainy days per year.

Pirapemas 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 40.0 °C (on 9 December 1993) 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

PirapemasMaranhão

coords: -3.73°, -44.22°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthOctoberColdest monthMarchWettest monthMarchDriest monthSeptember

Mean daily temperature

27.6°C

Average daily high

32.5°C

Average daily low

23.7°C

Annual rainfall

1,443mm

Sunshine / day

10.6h

Mean relative humidity

74%

Average peak wind

13.2km/h

Seasonal range

3.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

303 d/yr

Rainy days (≥ 1 mm)

163 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.8 °C

Average feels-like low

27.6 °C

Average peak gust

32.1 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

19.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.7 °C

since 1940

+0.1 °C per decade · r² = 0.14 · 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

40.0 °C

9 December 1993

Coldest day

18.5 °C

22 August 2022

Wettest day

240 mm

13 February 1993

Windiest day

26.9 km/h

17 July 1947

Strongest gust

56.9 km/h

17 January 1983

Hottest feels-like

43.6 °C

4 October 2009

Coldest feels-like

19.2 °C

22 August 2022

Sunniest day

12.0 h

2 January 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	37.8 °C25 November 2025	20.4 °C14 July 2025	28.2 °C	1,274 mm	346
2024	37.7 °C17 December 2024	19.1 °C17 July 2024	28.2 °C	1,068 mm	345
2023	37.4 °C24 November 2023	20.8 °C22 July 2023	27.9 °C	1,274 mm	331
2022	37.4 °C31 October 2022	18.5 °C22 August 2022	27.4 °C	1,556 mm	322
2021	36.5 °C22 December 2021	20.3 °C25 July 2021	27.6 °C	1,412 mm	335
2020	37.6 °C15 October 2020	18.8 °C1 August 2020	27.8 °C	1,885 mm	341
2019	37.1 °C27 October 2019	20.9 °C11 August 2019	28.0 °C	1,621 mm	345
2018	37.7 °C20 November 2018	20.6 °C21 July 2018	27.8 °C	1,629 mm	327
2017	39.2 °C5 December 2017	20.6 °C19 July 2017	28.4 °C	1,311 mm	339
2016	38.8 °C23 November 2016	20.4 °C27 July 2016	28.7 °C	1,055 mm	350
2015	39.2 °C2 December 2015	20.5 °C15 July 2015	28.5 °C	1,206 mm	350
2014	37.8 °C27 October 2014	21.7 °C19 August 2014	28.1 °C	1,252 mm	344
2013	38.4 °C9 November 2013	21.6 °C11 July 2013	28.5 °C	1,286 mm	356
2012	39.9 °C24 October 2012	20.9 °C30 July 2012	28.7 °C	1,165 mm	356
2011	38.7 °C17 December 2011	20.9 °C29 July 2011	28.0 °C	1,750 mm	329
2010	38.4 °C9 October 2010	19.5 °C27 June 2010	28.6 °C	1,278 mm	352
2009	38.1 °C29 November 2009	21.0 °C26 July 2009	27.9 °C	2,037 mm	328
2008	38.2 °C27 October 2008	20.3 °C23 June 2008	27.9 °C	1,603 mm	321
2007	39.6 °C26 January 2007	20.6 °C22 June 2007	28.4 °C	1,173 mm	346
2006	38.0 °C8 October 2006	20.3 °C7 August 2006	28.0 °C	1,418 mm	325
2005	39.2 °C20 November 2005	21.1 °C23 July 2005	28.3 °C	1,231 mm	348
2004	38.3 °C18 November 2004	21.0 °C24 July 2004	27.9 °C	1,447 mm	335
2003	37.1 °C16 January 2003	20.1 °C16 July 2003	27.7 °C	1,633 mm	334
2002	37.6 °C19 December 2002	21.3 °C4 July 2002	27.7 °C	1,503 mm	322
2001	38.8 °C21 December 2001	19.1 °C3 August 2001	27.4 °C	1,666 mm	318
2000	38.2 °C7 November 2000	20.8 °C13 February 2000	27.1 °C	1,492 mm	306
1999	39.0 °C10 November 1999	20.3 °C4 July 1999	27.3 °C	1,812 mm	317
1998	37.8 °C30 October 1998	22.0 °C25 July 1998	28.2 °C	1,314 mm	348
1997	37.9 °C11 October 1997	20.0 °C10 July 1997	27.7 °C	1,463 mm	324
1996	37.3 °C11 November 1996	20.1 °C3 July 1996	27.4 °C	1,825 mm	316
1995	37.6 °C15 October 1995	20.3 °C13 July 1995	27.3 °C	1,718 mm	315
1994	36.9 °C4 December 1994	20.8 °C1 July 1994	27.3 °C	1,865 mm	309
1993	40.0 °C9 December 1993	20.4 °C18 July 1993	28.1 °C	1,440 mm	336
1992	38.4 °C13 January 1992	20.1 °C22 July 1992	28.1 °C	1,086 mm	336
1991	37.3 °C9 December 1991	20.7 °C30 July 1991	27.6 °C	1,271 mm	324
1990	37.0 °C4 December 1990	20.3 °C8 August 1990	27.6 °C	995 mm	337
1989	36.7 °C6 December 1989	21.5 °C21 March 1989	27.0 °C	1,894 mm	293
1988	38.0 °C22 November 1988	19.8 °C3 August 1988	27.3 °C	1,704 mm	304
1987	38.5 °C28 November 1987	21.6 °C28 June 1987	28.1 °C	1,055 mm	335
1986	36.2 °C11 November 1986	20.9 °C17 June 1986	27.0 °C	1,926 mm	282
1985	37.2 °C22 October 1985	21.0 °C25 June 1985	26.6 °C	2,480 mm	245
1984	38.4 °C17 December 1984	19.2 °C27 July 1984	27.1 °C	1,757 mm	296
1983	37.4 °C9 December 1983	22.3 °C14 August 1983	28.3 °C	905 mm	346
1982	38.1 °C20 December 1982	21.2 °C10 March 1982	27.5 °C	1,270 mm	320
1981	39.3 °C12 December 1981	21.0 °C28 July 1981	27.9 °C	1,095 mm	335
1980	38.3 °C5 December 1980	21.5 °C18 July 1980	27.5 °C	1,702 mm	323
1979	37.8 °C2 November 1979	20.5 °C23 June 1979	27.2 °C	1,616 mm	322
1978	36.1 °C25 November 1978	20.8 °C2 August 1978	26.9 °C	1,748 mm	304
1977	37.8 °C22 November 1977	20.5 °C5 August 1977	26.9 °C	2,170 mm	283
1976	36.3 °C23 September 1976	19.4 °C20 July 1976	26.7 °C	1,585 mm	294
1975	35.9 °C14 October 1975	19.4 °C28 July 1975	26.6 °C	1,627 mm	265
1974	36.7 °C25 October 1974	19.8 °C12 June 1974	26.2 °C	2,095 mm	233
1973	36.0 °C16 November 1973	20.4 °C2 August 1973	26.7 °C	2,005 mm	297
1972	37.0 °C16 November 1972	20.9 °C28 May 1972	27.1 °C	1,547 mm	316
1971	35.9 °C26 September 1971	19.2 °C11 July 1971	26.5 °C	1,818 mm	253
1970	36.1 °C27 September 1970	20.5 °C19 July 1970	27.2 °C	1,359 mm	317
1969	36.5 °C6 October 1969	20.7 °C16 August 1969	27.4 °C	972 mm	316
1968	36.5 °C18 October 1968	20.5 °C15 June 1968	26.7 °C	1,479 mm	259
1967	36.7 °C4 December 1967	20.6 °C17 February 1967	26.9 °C	1,760 mm	267
1966	38.0 °C25 October 1966	21.3 °C10 June 1966	27.4 °C	1,537 mm	249
1965	38.8 °C15 November 1965	21.3 °C8 July 1965	27.6 °C	991 mm	261
1964	38.5 °C9 November 1964	21.1 °C24 June 1964	27.1 °C	1,399 mm	217
1963	38.3 °C17 October 1963	20.3 °C17 June 1963	27.4 °C	1,378 mm	250
1962	38.6 °C3 October 1962	19.9 °C20 June 1962	27.3 °C	1,284 mm	263
1961	39.0 °C2 November 1961	21.0 °C7 February 1961	27.3 °C	1,425 mm	242
1960	39.0 °C8 December 1960	21.5 °C11 February 1960	27.5 °C	1,501 mm	259
1959	38.3 °C1 December 1959	21.3 °C22 June 1959	27.4 °C	1,749 mm	247
1958	39.0 °C18 October 1958	21.5 °C4 March 1958	28.4 °C	962 mm	338
1957	38.8 °C31 October 1957	21.0 °C15 June 1957	27.6 °C	1,273 mm	248
1956	37.9 °C6 November 1956	20.9 °C16 March 1956	27.3 °C	1,260 mm	266
1955	38.5 °C9 October 1955	20.5 °C9 February 1955	27.2 °C	1,295 mm	251
1954	37.8 °C18 October 1954	21.5 °C2 June 1954	27.3 °C	1,142 mm	279
1953	38.9 °C3 November 1953	21.0 °C13 July 1953	27.4 °C	1,176 mm	270
1952	37.8 °C9 October 1952	21.0 °C30 June 1952	27.3 °C	1,617 mm	262
1951	38.1 °C4 December 1951	21.3 °C30 March 1951	28.0 °C	861 mm	315
1950	39.2 °C29 November 1950	21.4 °C3 April 1950	27.7 °C	1,262 mm	249
1949	38.6 °C21 October 1949	21.3 °C30 May 1949	27.3 °C	1,438 mm	243
1948	38.5 °C5 November 1948	21.4 °C22 January 1948	27.7 °C	1,252 mm	283
1947	38.7 °C7 October 1947	21.3 °C10 July 1947	27.3 °C	1,510 mm	269
1946	39.9 °C12 December 1946	21.8 °C7 January 1946	28.2 °C	829 mm	318
1945	38.8 °C10 November 1945	20.8 °C18 June 1945	27.5 °C	1,069 mm	270
1944	39.3 °C3 November 1944	21.1 °C22 February 1944	27.7 °C	1,685 mm	254
1943	38.2 °C24 October 1943	21.0 °C23 April 1943	27.0 °C	1,504 mm	240
1942	39.5 °C20 November 1942	21.5 °C9 July 1942	28.4 °C	915 mm	337
1941	39.6 °C18 October 1941	21.7 °C15 June 1941	28.5 °C	784 mm	331
1940	37.6 °C25 October 1940	21.0 °C24 March 1940	27.3 °C	1,396 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

33.2 °C

+0.7 °C

Hot days (≥ 30 °C)

346 d/yr

+43

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1274 mm

-169 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.2 °C	+0.8 °C	248 mm	+27 mm
Feb	31.2 °C	+0.5 °C	300 mm	+45 mm
Mar	31.2 °C	+0.9 °C	386 mm	+68 mm
Apr	31.6 °C	+1.3 °C	163 mm	-114 mm
May	31.5 °C	+0.9 °C	67 mm	-80 mm
Jun	31.7 °C	+0.6 °C	27 mm	-19 mm
Jul	33.2 °C	+0.9 °C	9 mm	-12 mm
Aug	34.1 °C	+0.2 °C	4 mm	-4 mm
Sep	35.5 °C	+0.5 °C	1 mm	-7 mm
Oct	35.9 °C	+0.4 °C	5 mm	-8 mm
Nov	35.7 °C	+0.6 °C	5 mm	-28 mm
Dec	34.0 °C	+0.2 °C	60 mm	-36 mm

The year's extremes

Hottest day

37.8 °C

25 Nov 2025

Coldest day

20.4 °C

14 Jul 2025

Wettest day

74.8 mm

2 Mar 2025

Windiest day

22.7 km/h

19 May 2025

Strongest gust

49.3 km/h

29 Nov 2025

Hottest feels-like

41.5 °C

11 Sep 2025

Coldest feels-like

21.9 °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 Pirapemas?

Pirapemas has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 1,443 mm of precipitation per year.

What is the hottest day ever recorded in Pirapemas?

The hottest day measured in Pirapemas between 1940 and 2025 was 9 December 1993, reaching 40.0 °C.

What is the coldest day in Pirapemas?

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

Does it snow in Pirapemas?

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

Has the climate of Pirapemas warmed?

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

What is the wettest day in Pirapemas?

The wettest day measured in Pirapemas between 1940 and 2025 was 13 February 1993, with 240 mm of rain in 24 hours.

What was the windiest day in Pirapemas?

The windiest day measured in Pirapemas between 1940 and 2025 was 17 July 1947, with winds reaching 26.9 km/h.

What is the warmest month in Pirapemas?

The warmest month in Pirapemas is October (29.6 °C on average); the coldest is March (26.0 °C).

How much does it rain in Pirapemas?

Pirapemas receives on average 1,443 mm of precipitation per year, spread over about 163 rainy days.

Is it sunny in Pirapemas?

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

Are there tropical nights in Pirapemas?

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

What was the most extreme apparent temperature in Pirapemas?

In Pirapemas, between 1940 and 2025, the highest apparent temperature reached 43.6 °C on 4 October 2009, and the lowest was 19.2 °C on 22 August 2022.

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