Tomé-Açu climate — normals and trends

Q: What is the climate of Tomé-Açu?

Tomé-Açu has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.6 °C and it receives 1,835 mm of precipitation per year.

Q: What is the hottest day ever recorded in Tomé-Açu?

The hottest day measured in Tomé-Açu between 1940 and 2025 was 6 September 2010, reaching 39.9 °C.

Q: What is the coldest day in Tomé-Açu?

The coldest day measured in Tomé-Açu between 1940 and 2025 was 6 July 1974, at 18.7 °C.

Q: Does it snow in Tomé-Açu?

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

Q: Has the climate of Tomé-Açu warmed?

Yes: Tomé-Açu warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Tomé-Açu?

The wettest day measured in Tomé-Açu between 1940 and 2025 was 31 March 2009, with 208 mm of rain in 24 hours.

Q: What was the windiest day in Tomé-Açu?

The windiest day measured in Tomé-Açu between 1940 and 2025 was 15 September 1965, with winds reaching 21.9 km/h.

Q: What is the warmest month in Tomé-Açu?

The warmest month in Tomé-Açu is October (28.6 °C on average); the coldest is March (25.3 °C).

Q: How much does it rain in Tomé-Açu?

Tomé-Açu receives on average 1,835 mm of precipitation per year, spread over about 206 rainy days.

Q: Is it sunny in Tomé-Açu?

Tomé-Açu gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Tomé-Açu (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.6 °C and it receives 1,835 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 (25.3 °C). Rainfall peaks in March.

Tomé-Açu averages 0 frost days, 277 hot days (≥ 30 °C) and 206 rainy days per year.

Tomé-Açu has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.9 °C (on 6 September 2010) and the coldest 18.7 °C (on 6 July 1974).

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

Tomé-AçuPará

coords: -2.42°, -48.15°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthOctoberColdest monthMarchWettest monthMarchDriest monthSeptember

Mean daily temperature

26.6°C

Average daily high

31.9°C

Average daily low

22.7°C

Annual rainfall

1,835mm

Sunshine / day

10.3h

Mean relative humidity

80%

Average peak wind

10.6km/h

Seasonal range

3.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

277 d/yr

Rainy days (≥ 1 mm)

206 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.3 °C

Average feels-like low

26.7 °C

Average peak gust

32.2 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

18.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.2 °C

since 1940

+0.1 °C per decade · r² = 0.30 · 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

39.9 °C

6 September 2010

Coldest day

18.7 °C

6 July 1974

Wettest day

208 mm

31 March 2009

Windiest day

21.9 km/h

15 September 1965

Strongest gust

58.3 km/h

2 September 1949

Hottest feels-like

44.1 °C

4 November 2006

Coldest feels-like

20.6 °C

28 July 2020

Sunniest day

12.0 h

23 January 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	36.5 °C28 October 2025	20.2 °C14 July 2025	26.9 °C	1,947 mm	330
2024	37.1 °C1 September 2024	21.1 °C3 August 2024	27.8 °C	1,727 mm	335
2023	37.3 °C2 November 2023	21.0 °C16 January 2023	27.4 °C	1,731 mm	331
2022	37.0 °C29 August 2022	20.4 °C16 June 2022	26.9 °C	1,980 mm	301
2021	35.7 °C24 August 2021	20.3 °C2 August 2021	26.9 °C	1,855 mm	323
2020	37.4 °C20 August 2020	19.6 °C28 July 2020	27.0 °C	2,216 mm	315
2019	36.8 °C19 September 2019	20.8 °C22 July 2019	27.2 °C	1,806 mm	323
2018	37.5 °C28 October 2018	21.0 °C2 July 2018	27.3 °C	2,365 mm	328
2017	37.1 °C10 September 2017	20.3 °C14 July 2017	27.5 °C	1,923 mm	331
2016	38.2 °C1 August 2016	21.2 °C22 June 2016	28.0 °C	1,421 mm	351
2015	37.1 °C21 October 2015	21.3 °C28 June 2015	27.6 °C	1,452 mm	336
2014	36.4 °C10 October 2014	21.0 °C8 July 2014	27.1 °C	1,611 mm	325
2013	37.1 °C29 October 2013	20.8 °C21 July 2013	27.2 °C	1,644 mm	331
2012	37.8 °C24 October 2012	20.4 °C21 August 2012	27.4 °C	1,474 mm	341
2011	37.7 °C21 September 2011	20.1 °C28 July 2011	27.1 °C	1,981 mm	309
2010	39.9 °C6 September 2010	21.0 °C20 August 2010	28.0 °C	1,615 mm	342
2009	38.3 °C9 October 2009	20.1 °C26 July 2009	27.3 °C	2,629 mm	298
2008	38.2 °C21 August 2008	19.9 °C12 July 2008	27.1 °C	2,057 mm	309
2007	37.9 °C25 November 2007	20.6 °C20 June 2007	27.7 °C	1,660 mm	339
2006	37.8 °C28 August 2006	21.1 °C22 June 2006	27.6 °C	1,845 mm	316
2005	37.2 °C3 August 2005	20.7 °C24 July 2005	27.5 °C	1,744 mm	329
2004	37.4 °C22 November 2004	20.6 °C29 July 2004	27.1 °C	1,820 mm	315
2003	36.4 °C11 September 2003	20.4 °C20 August 2003	27.1 °C	1,966 mm	324
2002	37.2 °C14 September 2002	21.2 °C20 June 2002	27.0 °C	1,738 mm	326
2001	36.9 °C16 September 2001	20.6 °C26 June 2001	26.9 °C	1,920 mm	318
2000	37.0 °C12 December 2000	20.5 °C29 July 2000	26.5 °C	2,322 mm	305
1999	35.5 °C18 December 1999	20.0 °C31 July 1999	26.4 °C	2,336 mm	300
1998	36.6 °C13 November 1998	20.9 °C14 July 1998	27.2 °C	1,532 mm	338
1997	37.0 °C29 October 1997	21.0 °C18 July 1997	27.0 °C	1,330 mm	312
1996	35.4 °C11 September 1996	20.4 °C10 July 1996	26.5 °C	2,210 mm	296
1995	36.7 °C15 October 1995	19.9 °C14 July 1995	26.7 °C	2,021 mm	297
1994	35.0 °C22 September 1994	20.8 °C25 June 1994	26.3 °C	1,981 mm	283
1993	35.5 °C23 September 1993	21.0 °C31 July 1993	26.5 °C	1,493 mm	315
1992	35.2 °C2 November 1992	20.4 °C22 July 1992	26.7 °C	1,073 mm	332
1991	34.9 °C11 August 1991	20.1 °C29 March 1991	26.3 °C	1,740 mm	292
1990	35.4 °C1 November 1990	20.7 °C23 July 1990	26.6 °C	1,261 mm	315
1989	35.9 °C2 December 1989	20.2 °C12 July 1989	26.0 °C	1,942 mm	244
1988	35.9 °C15 October 1988	20.7 °C29 June 1988	26.5 °C	1,881 mm	284
1987	36.1 °C11 November 1987	21.1 °C19 January 1987	27.1 °C	1,440 mm	327
1986	34.9 °C28 August 1986	20.5 °C11 July 1986	25.9 °C	2,163 mm	256
1985	36.2 °C22 October 1985	20.4 °C5 July 1985	25.8 °C	2,601 mm	213
1984	34.9 °C26 September 1984	20.0 °C27 July 1984	25.8 °C	2,336 mm	247
1983	35.7 °C1 September 1983	21.1 °C6 August 1983	27.0 °C	1,207 mm	341
1982	35.2 °C19 October 1982	20.2 °C28 June 1982	26.5 °C	1,767 mm	287
1981	37.5 °C12 December 1981	19.8 °C29 July 1981	26.9 °C	1,246 mm	318
1980	36.5 °C1 November 1980	20.8 °C16 January 1980	26.3 °C	1,988 mm	281
1979	35.0 °C10 August 1979	20.5 °C17 June 1979	26.1 °C	2,133 mm	267
1978	35.6 °C18 October 1978	20.0 °C5 August 1978	25.9 °C	2,368 mm	261
1977	36.8 °C10 October 1977	20.0 °C25 July 1977	26.1 °C	2,461 mm	240
1976	36.1 °C27 September 1976	19.6 °C1 July 1976	25.9 °C	2,012 mm	264
1975	35.3 °C16 October 1975	19.0 °C29 July 1975	25.5 °C	2,180 mm	228
1974	35.8 °C14 November 1974	18.7 °C6 July 1974	25.3 °C	2,600 mm	210
1973	35.3 °C28 August 1973	20.7 °C8 July 1973	25.8 °C	2,932 mm	251
1972	35.1 °C11 October 1972	19.6 °C7 April 1972	26.1 °C	1,726 mm	290
1971	35.5 °C13 December 1971	19.8 °C13 August 1971	25.8 °C	2,285 mm	243
1970	36.5 °C5 October 1970	20.0 °C24 July 1970	26.5 °C	2,045 mm	285
1969	36.9 °C13 December 1969	20.3 °C30 July 1969	26.9 °C	1,434 mm	316
1968	36.9 °C14 September 1968	19.5 °C25 June 1968	26.2 °C	1,593 mm	251
1967	36.2 °C12 August 1967	19.8 °C15 July 1967	26.2 °C	1,879 mm	240
1966	37.6 °C25 October 1966	20.1 °C9 February 1966	25.9 °C	2,493 mm	177
1965	38.3 °C27 November 1965	20.0 °C11 July 1965	26.7 °C	1,322 mm	231
1964	36.6 °C17 November 1964	20.6 °C9 July 1964	26.0 °C	2,043 mm	184
1963	38.7 °C29 October 1963	20.7 °C26 July 1963	26.5 °C	1,720 mm	226
1962	37.8 °C18 October 1962	19.8 °C20 June 1962	26.3 °C	1,683 mm	215
1961	37.2 °C27 October 1961	20.4 °C18 July 1961	26.1 °C	1,967 mm	212
1960	37.7 °C12 October 1960	20.5 °C3 July 1960	26.3 °C	2,016 mm	210
1959	38.0 °C16 October 1959	20.2 °C6 August 1959	26.1 °C	2,352 mm	219
1958	39.1 °C4 November 1958	21.8 °C14 April 1958	27.7 °C	1,096 mm	317
1957	38.3 °C24 November 1957	20.5 °C15 June 1957	26.5 °C	2,010 mm	218
1956	36.7 °C5 November 1956	20.2 °C16 July 1956	25.6 °C	1,922 mm	184
1955	37.9 °C15 October 1955	19.3 °C16 July 1955	26.1 °C	1,888 mm	212
1954	37.7 °C22 October 1954	20.3 °C30 June 1954	26.3 °C	1,626 mm	226
1953	37.1 °C4 December 1953	20.4 °C9 July 1953	26.4 °C	1,802 mm	221
1952	37.7 °C25 October 1952	20.4 °C30 June 1952	26.5 °C	1,951 mm	222
1951	37.8 °C14 September 1951	21.2 °C7 February 1951	27.2 °C	1,337 mm	287
1950	38.1 °C8 November 1950	20.2 °C4 July 1950	26.7 °C	1,354 mm	219
1949	37.2 °C6 November 1949	20.2 °C16 July 1949	26.0 °C	1,857 mm	190
1948	37.0 °C13 November 1948	20.8 °C7 January 1948	26.3 °C	1,483 mm	248
1947	37.2 °C5 October 1947	20.2 °C10 July 1947	26.0 °C	1,937 mm	215
1946	37.5 °C8 November 1946	20.1 °C15 June 1946	26.6 °C	1,189 mm	281
1945	37.6 °C15 September 1945	20.2 °C12 June 1945	26.7 °C	1,557 mm	257
1944	37.4 °C16 November 1944	20.5 °C29 July 1944	26.5 °C	1,788 mm	228
1943	36.6 °C26 October 1943	19.8 °C10 July 1943	25.7 °C	2,066 mm	184
1942	37.5 °C28 November 1942	20.1 °C10 July 1942	26.4 °C	1,367 mm	294
1941	39.4 °C18 October 1941	20.7 °C5 July 1941	27.7 °C	814 mm	316
1940	37.6 °C5 November 1940	20.5 °C12 February 1940	26.5 °C	1,488 mm	216

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

32.2 °C

+0.3 °C

Hot days (≥ 30 °C)

330 d/yr

+53

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1947 mm

+112 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.0 °C	+0.2 °C	410 mm	+153 mm
Feb	30.8 °C	+0.7 °C	421 mm	+123 mm
Mar	31.0 °C	+1.1 °C	435 mm	+65 mm
Apr	31.3 °C	+1.5 °C	188 mm	-143 mm
May	32.0 °C	+1.7 °C	134 mm	-71 mm
Jun	31.5 °C	+0.7 °C	97 mm	+19 mm
Jul	32.2 °C	+0.5 °C	44 mm	+1 mm
Aug	32.4 °C	-1.0 °C	64 mm	+39 mm
Sep	33.8 °C	-0.6 °C	10 mm	-11 mm
Oct	34.3 °C	-0.5 °C	17 mm	-9 mm
Nov	34.0 °C	-0.3 °C	30 mm	-23 mm
Dec	32.6 °C	-0.1 °C	99 mm	-31 mm

The year's extremes

Hottest day

36.5 °C

28 Oct 2025

Coldest day

20.2 °C

14 Jul 2025

Wettest day

85.1 mm

24 Jan 2025

Windiest day

18.0 km/h

1 Sep 2025

Strongest gust

52.2 km/h

2 Sep 2025

Hottest feels-like

41.7 °C

9 Nov 2025

Coldest feels-like

23.7 °C

14 Jul 2025

Sunniest day

12.0 h

28 Sep 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 Tomé-Açu?

Tomé-Açu has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.6 °C and it receives 1,835 mm of precipitation per year.

What is the hottest day ever recorded in Tomé-Açu?

The hottest day measured in Tomé-Açu between 1940 and 2025 was 6 September 2010, reaching 39.9 °C.

What is the coldest day in Tomé-Açu?

The coldest day measured in Tomé-Açu between 1940 and 2025 was 6 July 1974, at 18.7 °C.

Does it snow in Tomé-Açu?

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

Has the climate of Tomé-Açu warmed?

Yes: Tomé-Açu warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Tomé-Açu?

The wettest day measured in Tomé-Açu between 1940 and 2025 was 31 March 2009, with 208 mm of rain in 24 hours.

What was the windiest day in Tomé-Açu?

The windiest day measured in Tomé-Açu between 1940 and 2025 was 15 September 1965, with winds reaching 21.9 km/h.

What is the warmest month in Tomé-Açu?

The warmest month in Tomé-Açu is October (28.6 °C on average); the coldest is March (25.3 °C).

How much does it rain in Tomé-Açu?

Tomé-Açu receives on average 1,835 mm of precipitation per year, spread over about 206 rainy days.

Is it sunny in Tomé-Açu?

Tomé-Açu gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Are there tropical nights in Tomé-Açu?

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

What was the most extreme apparent temperature in Tomé-Açu?

In Tomé-Açu, between 1940 and 2025, the highest apparent temperature reached 44.1 °C on 4 November 2006, and the lowest was 20.6 °C on 28 July 2020.

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