Itaocara climate — normals and trends

Q: What is the climate of Itaocara?

Itaocara has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.4 °C and it receives 1,243 mm of precipitation per year.

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

The hottest day measured in Itaocara between 1940 and 2025 was 17 January 1995, reaching 38.5 °C.

Q: What is the coldest day in Itaocara?

The coldest day measured in Itaocara between 1940 and 2025 was 4 June 2009, at 8.3 °C.

Q: Does it snow in Itaocara?

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

Q: Has the climate of Itaocara warmed?

Yes: Itaocara warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Itaocara?

The wettest day measured in Itaocara between 1940 and 2025 was 20 November 2019, with 203 mm of rain in 24 hours.

Q: What was the windiest day in Itaocara?

The windiest day measured in Itaocara between 1940 and 2025 was 11 October 2003, with winds reaching 25.0 km/h.

Q: What is the warmest month in Itaocara?

The warmest month in Itaocara is February (25.2 °C on average); the coldest is July (19.2 °C).

Q: How much does it rain in Itaocara?

Itaocara receives on average 1,243 mm of precipitation per year, spread over about 144 rainy days.

Q: Is it sunny in Itaocara?

Itaocara gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Itaocara (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 22.4 °C and it receives 1,243 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 February (25.2 °C on average) and the coldest is July (19.2 °C). Rainfall peaks in December.

Itaocara averages 0 frost days, 81 hot days (≥ 30 °C) and 144 rainy days per year.

Itaocara has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.5 °C (on 17 January 1995) and the coldest 8.3 °C (on 4 June 2009).

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

ItaocaraRio de Janeiro

coords: -21.67°, -42.08°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthFebruaryColdest monthJulyWettest monthDecemberDriest monthJuly

Mean daily temperature

22.4°C

Average daily high

27.1°C

Average daily low

18.6°C

Annual rainfall

1,243mm

Sunshine / day

9.4h

Mean relative humidity

80%

Average peak wind

9.6km/h

Seasonal range

6.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

81 d/yr

Rainy days (≥ 1 mm)

144 d/yr

Annual snowfall

0.0 cm

Average feels-like high

30.1 °C

Average feels-like low

20.8 °C

Average peak gust

27.0 km/h

Tropical nights (≥ 20 °C)

139 d/yr

Solar radiation

16.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.64 · 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

38.5 °C

17 January 1995

Coldest day

8.3 °C

4 June 2009

Wettest day

203 mm

20 November 2019

Windiest day

25.0 km/h

11 October 2003

Strongest gust

72.7 km/h

16 July 2000

Hottest feels-like

43.8 °C

17 November 2023

Coldest feels-like

6.4 °C

19 May 2022

Sunniest day

13.3 h

4 January 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	37.4 °C18 February 2025	9.8 °C14 June 2025	23.4 °C	721 mm	146
2024	35.8 °C8 December 2024	10.5 °C14 August 2024	23.7 °C	1,019 mm	161
2023	38.2 °C18 November 2023	9.9 °C15 July 2023	23.3 °C	957 mm	146
2022	34.7 °C10 September 2022	8.9 °C19 May 2022	22.5 °C	1,328 mm	103
2021	35.5 °C28 January 2021	10.1 °C31 July 2021	22.5 °C	1,074 mm	116
2020	37.1 °C3 October 2020	10.0 °C24 August 2020	22.7 °C	1,270 mm	96
2019	37.7 °C5 November 2019	10.3 °C19 July 2019	24.0 °C	1,069 mm	180
2018	37.3 °C19 January 2018	11.2 °C22 May 2018	23.6 °C	1,160 mm	140
2017	36.6 °C25 December 2017	10.6 °C4 July 2017	23.4 °C	666 mm	156
2016	35.3 °C10 February 2016	9.1 °C14 June 2016	23.6 °C	1,168 mm	174
2015	37.2 °C16 October 2015	12.2 °C5 August 2015	24.1 °C	887 mm	183
2014	36.7 °C29 December 2014	9.6 °C7 August 2014	23.5 °C	673 mm	170
2013	36.4 °C12 November 2013	10.1 °C29 August 2013	22.7 °C	1,235 mm	95
2012	36.5 °C31 October 2012	8.9 °C29 September 2012	22.7 °C	1,011 mm	104
2011	34.3 °C22 February 2011	9.2 °C4 September 2011	22.2 °C	1,121 mm	90
2010	37.2 °C24 February 2010	9.8 °C17 August 2010	23.2 °C	1,102 mm	138
2009	34.1 °C13 December 2009	8.3 °C4 June 2009	23.0 °C	1,484 mm	112
2008	35.9 °C19 January 2008	11.2 °C15 July 2008	22.7 °C	1,293 mm	107
2007	36.2 °C1 November 2007	10.0 °C31 July 2007	23.0 °C	1,002 mm	112
2006	37.9 °C26 January 2006	12.5 °C28 September 2006	23.3 °C	920 mm	128
2005	34.7 °C14 October 2005	10.8 °C9 July 2005	23.0 °C	1,286 mm	111
2004	35.5 °C6 November 2004	10.1 °C24 July 2004	22.5 °C	1,369 mm	82
2003	34.8 °C4 March 2003	11.4 °C17 October 2003	23.1 °C	1,036 mm	119
2002	35.3 °C2 December 2002	12.9 °C4 September 2002	23.4 °C	1,045 mm	131
2001	35.1 °C1 February 2001	12.0 °C16 August 2001	23.0 °C	1,063 mm	127
2000	35.0 °C15 January 2000	8.8 °C18 July 2000	22.3 °C	951 mm	91
1999	34.7 °C21 January 1999	10.9 °C24 September 1999	22.0 °C	1,094 mm	83
1998	35.8 °C5 February 1998	10.8 °C26 June 1998	22.8 °C	1,164 mm	104
1997	34.7 °C3 November 1997	10.7 °C9 June 1997	22.8 °C	1,223 mm	104
1996	35.5 °C10 February 1996	9.8 °C23 July 1996	22.4 °C	1,221 mm	107
1995	38.5 °C17 January 1995	12.4 °C6 June 1995	23.0 °C	1,202 mm	113
1994	34.8 °C17 February 1994	8.8 °C10 July 1994	22.9 °C	1,109 mm	113
1993	35.0 °C18 November 1993	11.9 °C21 May 1993	23.1 °C	1,021 mm	128
1992	33.3 °C16 November 1992	10.9 °C28 July 1992	22.5 °C	1,473 mm	57
1991	34.3 °C26 December 1991	11.4 °C5 August 1991	22.4 °C	1,415 mm	53
1990	35.0 °C23 January 1990	11.4 °C13 June 1990	22.8 °C	950 mm	90
1989	33.5 °C21 February 1989	10.4 °C20 July 1989	22.3 °C	1,257 mm	60
1988	34.9 °C30 January 1988	9.1 °C6 June 1988	22.2 °C	1,391 mm	64
1987	34.3 °C9 January 1987	10.9 °C23 August 1987	22.8 °C	1,535 mm	72
1986	33.5 °C15 April 1986	11.1 °C10 July 1986	22.8 °C	986 mm	84
1985	33.6 °C4 February 1985	8.8 °C9 June 1985	22.0 °C	1,453 mm	45
1984	34.5 °C16 January 1984	10.6 °C1 August 1984	22.9 °C	1,137 mm	72
1983	33.6 °C26 February 1983	8.9 °C7 August 1983	22.5 °C	1,647 mm	52
1982	33.4 °C20 November 1982	10.8 °C6 May 1982	22.2 °C	1,192 mm	41
1981	33.2 °C29 September 1981	9.8 °C6 July 1981	22.0 °C	1,440 mm	54
1980	33.1 °C28 October 1980	10.8 °C27 September 1980	22.4 °C	1,288 mm	43
1979	33.6 °C15 December 1979	8.6 °C1 June 1979	21.7 °C	1,599 mm	46
1978	33.7 °C7 December 1978	10.7 °C17 August 1978	22.0 °C	1,320 mm	54
1977	34.5 °C2 November 1977	10.8 °C21 May 1977	22.8 °C	997 mm	83
1976	33.4 °C25 January 1976	12.4 °C2 June 1976	22.3 °C	1,329 mm	69
1975	33.8 °C9 December 1975	9.6 °C8 July 1975	22.0 °C	1,308 mm	64
1974	34.0 °C25 February 1974	10.1 °C1 July 1974	22.3 °C	956 mm	67
1973	35.3 °C5 January 1973	11.1 °C26 July 1973	22.7 °C	1,468 mm	78
1972	34.6 °C6 January 1972	11.1 °C17 August 1972	22.4 °C	1,216 mm	74
1971	34.8 °C31 January 1971	10.5 °C21 July 1971	22.2 °C	1,285 mm	90
1970	33.6 °C11 March 1970	11.7 °C13 August 1970	22.2 °C	776 mm	75
1969	35.8 °C10 January 1969	11.5 °C7 June 1969	22.3 °C	1,027 mm	72
1968	34.4 °C29 October 1968	10.3 °C20 May 1968	21.0 °C	934 mm	42
1967	34.7 °C12 October 1967	10.8 °C10 June 1967	22.3 °C	1,312 mm	44
1966	34.3 °C5 December 1966	11.9 °C20 May 1966	21.9 °C	1,417 mm	61
1965	31.9 °C25 October 1965	9.6 °C12 July 1965	21.6 °C	1,751 mm	29
1964	31.9 °C17 February 1964	9.4 °C29 July 1964	20.8 °C	1,714 mm	12
1963	37.2 °C14 October 1963	11.5 °C8 July 1963	22.6 °C	591 mm	114
1962	32.2 °C18 February 1962	9.3 °C18 June 1962	21.0 °C	2,175 mm	11
1961	36.0 °C29 September 1961	12.1 °C7 August 1961	22.3 °C	1,414 mm	67
1960	35.4 °C25 September 1960	9.9 °C15 July 1960	21.3 °C	1,732 mm	29
1959	34.9 °C26 February 1959	10.8 °C13 June 1959	22.5 °C	1,106 mm	79
1958	36.1 °C20 December 1958	9.8 °C22 September 1958	22.0 °C	918 mm	73
1957	34.3 °C26 October 1957	9.3 °C23 July 1957	21.7 °C	1,419 mm	40
1956	35.6 °C27 January 1956	10.1 °C11 August 1956	21.3 °C	1,183 mm	74
1955	36.2 °C1 October 1955	11.2 °C4 August 1955	21.8 °C	840 mm	71
1954	35.6 °C19 September 1954	10.6 °C12 August 1954	21.9 °C	1,431 mm	59
1953	33.2 °C31 January 1953	11.2 °C29 July 1953	22.1 °C	1,198 mm	42
1952	32.5 °C6 February 1952	11.9 °C9 July 1952	21.6 °C	2,011 mm	18
1951	36.2 °C23 November 1951	9.9 °C14 August 1951	21.5 °C	992 mm	66
1950	33.2 °C21 September 1950	10.8 °C14 July 1950	21.4 °C	1,347 mm	32
1949	31.9 °C6 October 1949	9.3 °C27 August 1949	21.3 °C	1,586 mm	27
1948	34.2 °C5 October 1948	10.1 °C31 August 1948	21.7 °C	928 mm	71
1947	34.8 °C9 January 1947	9.5 °C4 August 1947	21.4 °C	1,272 mm	48
1946	32.7 °C2 November 1946	10.5 °C30 July 1946	22.1 °C	1,391 mm	40
1945	32.8 °C30 August 1945	11.5 °C13 July 1945	22.0 °C	1,430 mm	39
1944	33.4 °C2 October 1944	11.1 °C22 August 1944	21.5 °C	1,777 mm	33
1943	30.5 °C19 January 1943	10.3 °C20 July 1943	20.4 °C	1,706 mm	4
1942	35.6 °C28 November 1942	8.4 °C24 June 1942	21.0 °C	1,299 mm	29
1941	32.9 °C13 January 1941	9.8 °C23 July 1941	21.6 °C	1,817 mm	20
1940	32.2 °C30 September 1940	11.9 °C10 July 1940	21.9 °C	1,832 mm	27

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

29.0 °C

+1.9 °C

Hot days (≥ 30 °C)

146 d/yr

+65

Frost days (< 0 °C)

0 d/yr

Annual rainfall

721 mm

-522 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.2 °C	+1.6 °C	136 mm	-58 mm
Feb	34.1 °C	+4.2 °C	8 mm	-129 mm
Mar	31.5 °C	+2.4 °C	95 mm	-39 mm
Apr	28.4 °C	+1.0 °C	76 mm	+3 mm
May	27.5 °C	+1.9 °C	10 mm	-35 mm
Jun	26.8 °C	+2.2 °C	18 mm	-9 mm
Jul	25.4 °C	+1.1 °C	8 mm	-15 mm
Aug	27.0 °C	+1.6 °C	17 mm	-11 mm
Sep	27.4 °C	+0.9 °C	26 mm	-33 mm
Oct	28.0 °C	+0.9 °C	85 mm	-27 mm
Nov	29.3 °C	+2.0 °C	75 mm	-114 mm
Dec	31.6 °C	+3.2 °C	166 mm	-57 mm

The year's extremes

Hottest day

37.4 °C

18 Feb 2025

Coldest day

9.8 °C

14 Jun 2025

Wettest day

37.8 mm

19 Oct 2025

Windiest day

22.6 km/h

10 Dec 2025

Strongest gust

63.7 km/h

10 Dec 2025

Hottest feels-like

42.7 °C

22 Jan 2025

Coldest feels-like

8.7 °C

14 Jun 2025

Sunniest day

13.1 h

28 Dec 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 Itaocara?

Itaocara has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.4 °C and it receives 1,243 mm of precipitation per year.

What is the hottest day ever recorded in Itaocara?

The hottest day measured in Itaocara between 1940 and 2025 was 17 January 1995, reaching 38.5 °C.

What is the coldest day in Itaocara?

The coldest day measured in Itaocara between 1940 and 2025 was 4 June 2009, at 8.3 °C.

Does it snow in Itaocara?

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

Has the climate of Itaocara warmed?

Yes: Itaocara warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Itaocara?

The wettest day measured in Itaocara between 1940 and 2025 was 20 November 2019, with 203 mm of rain in 24 hours.

What was the windiest day in Itaocara?

The windiest day measured in Itaocara between 1940 and 2025 was 11 October 2003, with winds reaching 25.0 km/h.

What is the warmest month in Itaocara?

The warmest month in Itaocara is February (25.2 °C on average); the coldest is July (19.2 °C).

How much does it rain in Itaocara?

Itaocara receives on average 1,243 mm of precipitation per year, spread over about 144 rainy days.

Is it sunny in Itaocara?

Itaocara gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Are there tropical nights in Itaocara?

Yes: Itaocara has on average 139 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Itaocara?

In Itaocara, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 17 November 2023, and the lowest was 6.4 °C on 19 May 2022.

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