Duque de Caxias climate — normals and trends

Q: What is the climate of Duque de Caxias?

Duque de Caxias has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 23.0 °C and it receives 1,750 mm of precipitation per year.

Q: What is the hottest day ever recorded in Duque de Caxias?

The hottest day measured in Duque de Caxias between 1940 and 2025 was 18 November 2023, reaching 40.7 °C.

Q: What is the coldest day in Duque de Caxias?

The coldest day measured in Duque de Caxias between 1940 and 2025 was 18 July 2000, at 7.8 °C.

Q: Does it snow in Duque de Caxias?

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

Q: Has the climate of Duque de Caxias warmed?

Yes: Duque de Caxias warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Duque de Caxias?

The wettest day measured in Duque de Caxias between 1940 and 2025 was 11 March 1954, with 187 mm of rain in 24 hours.

Q: What was the windiest day in Duque de Caxias?

The windiest day measured in Duque de Caxias between 1940 and 2025 was 24 September 2007, with winds reaching 27.8 km/h.

Q: What is the warmest month in Duque de Caxias?

The warmest month in Duque de Caxias is February (26.2 °C on average); the coldest is July (19.7 °C).

Q: How much does it rain in Duque de Caxias?

Duque de Caxias receives on average 1,750 mm of precipitation per year, spread over about 182 rainy days.

Q: Is it sunny in Duque de Caxias?

Duque de Caxias gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

Duque de Caxias (Brazil) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 23.0 °C and it receives 1,750 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 (26.2 °C on average) and the coldest is July (19.7 °C). Rainfall peaks in January.

Duque de Caxias averages 0 frost days, 105 hot days (≥ 30 °C) and 182 rainy days per year.

Duque de Caxias has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.7 °C (on 18 November 2023) and the coldest 7.8 °C (on 18 July 2000).

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

Duque de CaxiasRio de Janeiro

coords: -22.79°, -43.31°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthFebruaryColdest monthJulyWettest monthJanuaryDriest monthJuly

Mean daily temperature

23.0°C

Average daily high

27.5°C

Average daily low

19.5°C

Annual rainfall

1,750mm

Sunshine / day

9.2h

Mean relative humidity

81%

Average peak wind

10.7km/h

Seasonal range

6.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

105 d/yr

Rainy days (≥ 1 mm)

182 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.0 °C

Average feels-like low

21.9 °C

Average peak gust

28.3 km/h

Tropical nights (≥ 20 °C)

170 d/yr

Solar radiation

16.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.57 · 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

40.7 °C

18 November 2023

Coldest day

7.8 °C

18 July 2000

Wettest day

187 mm

11 March 1954

Windiest day

27.8 km/h

24 September 2007

Strongest gust

71.6 km/h

10 December 2025

Hottest feels-like

46.2 °C

14 November 2023

Coldest feels-like

6.4 °C

18 July 2000

Sunniest day

13.4 h

25 December 1978

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.1 °C17 February 2025	11.3 °C1 August 2025	23.3 °C	1,017 mm	133
2024	37.6 °C2 October 2024	9.4 °C13 August 2024	24.1 °C	1,537 mm	168
2023	40.7 °C18 November 2023	11.7 °C5 July 2023	23.8 °C	1,557 mm	156
2022	36.7 °C27 January 2022	10.9 °C1 September 2022	22.9 °C	1,713 mm	112
2021	36.7 °C14 September 2021	9.5 °C21 July 2021	22.8 °C	1,663 mm	118
2020	39.0 °C2 October 2020	10.8 °C27 May 2020	23.2 °C	1,727 mm	105
2019	37.8 °C5 November 2019	11.8 °C9 July 2019	24.2 °C	1,456 mm	153
2018	36.9 °C18 January 2018	11.8 °C22 May 2018	23.8 °C	1,639 mm	127
2017	36.6 °C1 January 2017	12.1 °C7 August 2017	23.6 °C	1,322 mm	132
2016	37.7 °C27 December 2016	9.9 °C15 June 2016	23.7 °C	1,507 mm	151
2015	37.8 °C2 January 2015	13.9 °C27 June 2015	24.3 °C	1,449 mm	161
2014	37.6 °C3 January 2014	11.5 °C8 August 2014	23.9 °C	1,091 mm	155
2013	38.6 °C12 November 2013	11.5 °C30 July 2013	23.1 °C	1,866 mm	110
2012	39.1 °C19 September 2012	12.3 °C10 July 2012	23.5 °C	1,364 mm	138
2011	36.4 °C10 February 2011	10.1 °C4 September 2011	22.9 °C	1,485 mm	113
2010	38.3 °C8 February 2010	10.3 °C18 August 2010	23.6 °C	1,643 mm	142
2009	36.2 °C6 March 2009	9.3 °C4 June 2009	23.5 °C	2,200 mm	122
2008	35.5 °C19 January 2008	11.6 °C15 July 2008	22.8 °C	2,070 mm	101
2007	36.6 °C10 March 2007	10.5 °C30 July 2007	23.5 °C	1,510 mm	140
2006	38.0 °C25 January 2006	10.8 °C6 September 2006	23.5 °C	1,556 mm	128
2005	38.3 °C14 October 2005	13.1 °C9 July 2005	23.6 °C	1,929 mm	122
2004	36.1 °C31 October 2004	11.6 °C11 August 2004	23.0 °C	1,692 mm	84
2003	37.9 °C16 December 2003	12.2 °C18 August 2003	23.7 °C	1,793 mm	135
2002	37.0 °C1 December 2002	12.6 °C3 September 2002	24.3 °C	1,320 mm	161
2001	36.2 °C28 January 2001	13.0 °C31 July 2001	23.8 °C	1,299 mm	149
2000	35.8 °C15 January 2000	7.8 °C18 July 2000	23.0 °C	1,433 mm	114
1999	36.6 °C2 February 1999	11.1 °C18 August 1999	22.5 °C	1,568 mm	102
1998	37.1 °C31 January 1998	12.3 °C7 June 1998	23.4 °C	1,773 mm	122
1997	38.1 °C9 September 1997	11.4 °C10 June 1997	23.5 °C	1,558 mm	157
1996	37.0 °C31 January 1996	10.5 °C25 July 1996	22.8 °C	1,933 mm	116
1995	38.8 °C17 January 1995	11.8 °C6 September 1995	23.5 °C	2,108 mm	132
1994	38.1 °C17 February 1994	8.8 °C27 June 1994	23.7 °C	2,100 mm	139
1993	38.1 °C17 November 1993	11.6 °C13 August 1993	23.8 °C	1,510 mm	137
1992	37.3 °C22 February 1992	11.5 °C27 July 1992	23.4 °C	1,720 mm	130
1991	35.2 °C26 December 1991	12.4 °C5 September 1991	23.2 °C	1,719 mm	97
1990	37.6 °C25 January 1990	12.0 °C23 May 1990	23.5 °C	1,484 mm	137
1989	34.8 °C22 February 1989	10.7 °C20 July 1989	22.9 °C	1,669 mm	88
1988	36.3 °C30 January 1988	8.2 °C6 June 1988	22.9 °C	1,977 mm	90
1987	35.7 °C9 January 1987	11.5 °C26 June 1987	23.4 °C	1,779 mm	108
1986	35.5 °C7 October 1986	11.7 °C13 July 1986	23.4 °C	1,790 mm	108
1985	34.9 °C4 February 1985	11.2 °C19 July 1985	22.8 °C	1,893 mm	76
1984	36.3 °C16 January 1984	11.6 °C27 August 1984	23.5 °C	1,393 mm	109
1983	36.5 °C26 February 1983	10.9 °C6 August 1983	23.1 °C	2,284 mm	78
1982	35.0 °C4 November 1982	12.2 °C6 May 1982	22.9 °C	1,850 mm	62
1981	37.8 °C29 September 1981	10.9 °C22 July 1981	22.8 °C	1,842 mm	86
1980	35.6 °C27 October 1980	12.5 °C29 June 1980	23.3 °C	1,662 mm	106
1979	34.9 °C14 December 1979	8.1 °C1 June 1979	22.5 °C	2,005 mm	76
1978	36.3 °C31 January 1978	9.4 °C16 August 1978	22.9 °C	1,633 mm	85
1977	36.5 °C1 November 1977	13.4 °C21 May 1977	23.6 °C	1,449 mm	122
1976	36.7 °C19 January 1976	11.4 °C16 August 1976	22.7 °C	1,897 mm	85
1975	35.8 °C9 December 1975	8.9 °C8 July 1975	22.6 °C	1,868 mm	95
1974	36.2 °C2 December 1974	10.8 °C16 June 1974	22.9 °C	1,570 mm	94
1973	36.9 °C11 February 1973	12.8 °C17 May 1973	23.3 °C	1,914 mm	97
1972	35.8 °C4 January 1972	12.6 °C23 June 1972	23.1 °C	1,791 mm	102
1971	37.0 °C25 January 1971	11.9 °C14 September 1971	22.9 °C	1,528 mm	98
1970	35.6 °C10 December 1970	11.7 °C13 August 1970	22.9 °C	1,212 mm	90
1969	38.3 °C9 January 1969	12.3 °C7 June 1969	22.9 °C	1,413 mm	83
1968	38.2 °C24 December 1968	10.5 °C14 July 1968	21.8 °C	1,308 mm	74
1967	35.4 °C12 October 1967	12.0 °C20 July 1967	23.0 °C	2,001 mm	66
1966	35.7 °C5 December 1966	12.0 °C25 September 1966	22.4 °C	2,086 mm	90
1965	35.5 °C21 December 1965	10.2 °C13 July 1965	22.3 °C	2,399 mm	82
1964	35.0 °C18 February 1964	10.4 °C29 July 1964	21.5 °C	2,206 mm	62
1963	37.2 °C1 November 1963	11.6 °C24 June 1963	22.7 °C	1,391 mm	105
1962	33.8 °C18 February 1962	10.4 °C26 August 1962	21.4 °C	2,516 mm	53
1961	40.4 °C28 September 1961	12.4 °C19 June 1961	23.2 °C	2,092 mm	112
1960	37.3 °C24 September 1960	11.3 °C16 July 1960	21.9 °C	2,016 mm	67
1959	36.0 °C28 October 1959	12.3 °C19 June 1959	22.8 °C	1,607 mm	107
1958	36.4 °C16 November 1958	10.4 °C22 September 1958	22.6 °C	1,803 mm	100
1957	36.3 °C19 October 1957	11.3 °C23 July 1957	22.2 °C	1,728 mm	69
1956	37.9 °C27 January 1956	10.4 °C11 August 1956	21.7 °C	1,534 mm	93
1955	36.4 °C14 September 1955	12.0 °C4 August 1955	22.2 °C	1,286 mm	112
1954	36.9 °C22 September 1954	11.3 °C30 August 1954	22.6 °C	2,244 mm	82
1953	35.9 °C30 January 1953	11.9 °C29 July 1953	22.6 °C	1,896 mm	86
1952	35.3 °C1 October 1952	12.0 °C16 July 1952	22.2 °C	2,083 mm	63
1951	37.9 °C23 November 1951	11.5 °C14 August 1951	22.0 °C	1,422 mm	100
1950	35.2 °C18 September 1950	11.0 °C14 July 1950	22.1 °C	2,183 mm	78
1949	34.2 °C18 March 1949	11.9 °C4 July 1949	21.7 °C	2,132 mm	54
1948	36.5 °C27 September 1948	10.6 °C31 August 1948	22.3 °C	1,488 mm	89
1947	37.5 °C8 January 1947	9.4 °C4 August 1947	21.9 °C	2,157 mm	61
1946	35.0 °C2 November 1946	11.4 °C30 July 1946	22.8 °C	2,113 mm	106
1945	35.7 °C13 November 1945	12.1 °C12 July 1945	22.6 °C	2,027 mm	81
1944	35.2 °C7 September 1944	11.3 °C22 August 1944	22.3 °C	2,047 mm	76
1943	34.0 °C19 January 1943	10.9 °C5 September 1943	21.3 °C	1,822 mm	55
1942	36.8 °C27 November 1942	9.2 °C24 June 1942	21.7 °C	1,584 mm	85
1941	35.7 °C12 January 1941	12.1 °C12 July 1941	22.3 °C	2,198 mm	83
1940	35.2 °C23 August 1940	13.1 °C28 September 1940	22.7 °C	2,408 mm	71

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

28.3 °C

+0.8 °C

Hot days (≥ 30 °C)

133 d/yr

+28

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1017 mm

-733 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.9 °C	+0.4 °C	185 mm	-83 mm
Feb	34.0 °C	+3.2 °C	17 mm	-197 mm
Mar	30.8 °C	+1.2 °C	101 mm	-122 mm
Apr	27.5 °C	-0.2 °C	204 mm	+77 mm
May	26.8 °C	+1.0 °C	32 mm	-44 mm
Jun	25.9 °C	+0.9 °C	33 mm	-18 mm
Jul	23.6 °C	-1.1 °C	37 mm	-11 mm
Aug	25.6 °C	-0.2 °C	17 mm	-35 mm
Sep	26.9 °C	+0.4 °C	43 mm	-44 mm
Oct	27.4 °C	+0.2 °C	116 mm	-22 mm
Nov	28.1 °C	+0.4 °C	101 mm	-108 mm
Dec	31.9 °C	+2.9 °C	131 mm	-126 mm

The year's extremes

Hottest day

38.1 °C

17 Feb 2025

Coldest day

11.3 °C

1 Aug 2025

Wettest day

62.5 mm

5 Apr 2025

Windiest day

24.8 km/h

25 Nov 2025

Strongest gust

71.6 km/h

10 Dec 2025

Hottest feels-like

43.9 °C

19 Jan 2025

Coldest feels-like

10.4 °C

30 Jul 2025

Sunniest day

13.4 h

22 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 Duque de Caxias?

Duque de Caxias has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 23.0 °C and it receives 1,750 mm of precipitation per year.

What is the hottest day ever recorded in Duque de Caxias?

The hottest day measured in Duque de Caxias between 1940 and 2025 was 18 November 2023, reaching 40.7 °C.

What is the coldest day in Duque de Caxias?

The coldest day measured in Duque de Caxias between 1940 and 2025 was 18 July 2000, at 7.8 °C.

Does it snow in Duque de Caxias?

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

Has the climate of Duque de Caxias warmed?

Yes: Duque de Caxias warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Duque de Caxias?

The wettest day measured in Duque de Caxias between 1940 and 2025 was 11 March 1954, with 187 mm of rain in 24 hours.

What was the windiest day in Duque de Caxias?

The windiest day measured in Duque de Caxias between 1940 and 2025 was 24 September 2007, with winds reaching 27.8 km/h.

What is the warmest month in Duque de Caxias?

The warmest month in Duque de Caxias is February (26.2 °C on average); the coldest is July (19.7 °C).

How much does it rain in Duque de Caxias?

Duque de Caxias receives on average 1,750 mm of precipitation per year, spread over about 182 rainy days.

Is it sunny in Duque de Caxias?

Duque de Caxias gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

Are there tropical nights in Duque de Caxias?

Yes: Duque de Caxias has on average 170 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Duque de Caxias?

In Duque de Caxias, between 1940 and 2025, the highest apparent temperature reached 46.2 °C on 14 November 2023, and the lowest was 6.4 °C on 18 July 2000.

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