Cachoeiras de Macacu climate — normals and trends

Q: What is the climate of Cachoeiras de Macacu?

Cachoeiras de Macacu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.7 °C and it receives 2,366 mm of precipitation per year.

Q: What is the hottest day ever recorded in Cachoeiras de Macacu?

The hottest day measured in Cachoeiras de Macacu between 1940 and 2025 was 18 November 2023, reaching 36.0 °C.

Q: What is the coldest day in Cachoeiras de Macacu?

The coldest day measured in Cachoeiras de Macacu between 1940 and 2025 was 18 July 2000, at 5.4 °C.

Q: Does it snow in Cachoeiras de Macacu?

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

Q: Has the climate of Cachoeiras de Macacu warmed?

Yes: Cachoeiras de Macacu warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Cachoeiras de Macacu?

The wettest day measured in Cachoeiras de Macacu between 1940 and 2025 was 27 January 1952, with 174 mm of rain in 24 hours.

Q: What was the windiest day in Cachoeiras de Macacu?

The windiest day measured in Cachoeiras de Macacu between 1940 and 2025 was 24 September 2007, with winds reaching 23.8 km/h.

Q: What is the warmest month in Cachoeiras de Macacu?

The warmest month in Cachoeiras de Macacu is February (23.7 °C on average); the coldest is July (17.4 °C).

Q: How much does it rain in Cachoeiras de Macacu?

Cachoeiras de Macacu receives on average 2,366 mm of precipitation per year, spread over about 205 rainy days.

Q: Is it sunny in Cachoeiras de Macacu?

Cachoeiras de Macacu gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.

Cachoeiras de Macacu (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.7 °C and it receives 2,366 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 (23.7 °C on average) and the coldest is July (17.4 °C). Rainfall peaks in December.

Cachoeiras de Macacu averages 0 frost days, 28 hot days (≥ 30 °C) and 205 rainy days per year.

Cachoeiras de Macacu has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.0 °C (on 18 November 2023) and the coldest 5.4 °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

Cachoeiras de MacacuRio de Janeiro

coords: -22.46°, -42.65°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthFebruaryColdest monthJulyWettest monthDecemberDriest monthJuly

Mean daily temperature

20.7°C

Average daily high

25.0°C

Average daily low

17.2°C

Annual rainfall

2,366mm

Sunshine / day

9.6h

Mean relative humidity

83%

Average peak wind

8.1km/h

Seasonal range

6.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

28 d/yr

Rainy days (≥ 1 mm)

205 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.3 °C

Average feels-like low

18.6 °C

Average peak gust

28.3 km/h

Tropical nights (≥ 20 °C)

79 d/yr

Solar radiation

16.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.53 · 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

36.0 °C

18 November 2023

Coldest day

5.4 °C

18 July 2000

Wettest day

174 mm

27 January 1952

Windiest day

23.8 km/h

24 September 2007

Strongest gust

74.9 km/h

13 December 1949

Hottest feels-like

43.1 °C

18 November 2023

Coldest feels-like

3.4 °C

18 July 2000

Sunniest day

13.4 h

27 December 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.4 °C17 February 2025	8.0 °C14 June 2025	20.7 °C	1,593 mm	41
2024	33.7 °C28 November 2024	7.7 °C14 August 2024	21.7 °C	2,089 mm	48
2023	36.0 °C18 November 2023	8.8 °C4 July 2023	21.3 °C	2,216 mm	60
2022	33.0 °C27 January 2022	8.1 °C16 June 2022	20.5 °C	2,364 mm	29
2021	33.4 °C14 September 2021	7.0 °C21 July 2021	20.4 °C	2,089 mm	28
2020	35.3 °C2 October 2020	8.9 °C27 May 2020	20.9 °C	2,338 mm	33
2019	34.1 °C5 November 2019	8.2 °C19 July 2019	21.7 °C	1,920 mm	55
2018	33.1 °C18 January 2018	8.8 °C22 May 2018	21.4 °C	2,192 mm	39
2017	32.2 °C18 December 2017	9.2 °C4 July 2017	21.2 °C	1,659 mm	40
2016	33.4 °C10 February 2016	6.3 °C15 June 2016	21.4 °C	2,055 mm	45
2015	34.0 °C24 September 2015	10.6 °C5 August 2015	21.9 °C	2,111 mm	59
2014	33.5 °C3 January 2014	8.6 °C6 August 2014	21.3 °C	1,611 mm	54
2013	35.5 °C12 November 2013	8.9 °C9 May 2013	20.9 °C	2,410 mm	43
2012	34.2 °C19 September 2012	8.5 °C10 July 2012	21.1 °C	1,915 mm	37
2011	32.3 °C10 February 2011	7.4 °C4 September 2011	20.6 °C	2,044 mm	38
2010	34.6 °C8 February 2010	7.8 °C18 August 2010	21.3 °C	2,123 mm	72
2009	32.9 °C6 March 2009	6.5 °C4 June 2009	21.4 °C	2,873 mm	53
2008	33.1 °C27 October 2008	8.5 °C15 July 2008	20.6 °C	2,833 mm	27
2007	33.2 °C1 November 2007	7.2 °C30 July 2007	21.1 °C	2,176 mm	46
2006	33.4 °C25 January 2006	8.4 °C6 September 2006	21.1 °C	2,076 mm	34
2005	34.0 °C14 October 2005	10.9 °C9 July 2005	21.4 °C	2,435 mm	37
2004	32.1 °C5 November 2004	9.3 °C11 August 2004	20.8 °C	2,393 mm	30
2003	33.8 °C16 December 2003	10.0 °C19 August 2003	21.3 °C	2,349 mm	63
2002	33.4 °C1 December 2002	9.3 °C3 September 2002	21.8 °C	1,904 mm	59
2001	31.7 °C10 February 2001	10.6 °C30 July 2001	21.2 °C	1,870 mm	34
2000	32.6 °C15 January 2000	5.4 °C18 July 2000	20.7 °C	1,989 mm	27
1999	33.2 °C2 February 1999	8.9 °C24 September 1999	20.2 °C	2,084 mm	22
1998	33.3 °C5 February 1998	9.5 °C7 June 1998	21.2 °C	2,426 mm	51
1997	33.7 °C9 September 1997	9.1 °C12 August 1997	21.2 °C	2,058 mm	50
1996	33.7 °C18 January 1996	8.0 °C24 July 1996	20.6 °C	2,471 mm	45
1995	34.8 °C17 January 1995	9.9 °C6 September 1995	21.2 °C	2,636 mm	54
1994	33.5 °C17 February 1994	6.3 °C27 June 1994	21.3 °C	2,576 mm	64
1993	33.4 °C17 November 1993	10.0 °C13 August 1993	21.4 °C	2,084 mm	54
1992	33.4 °C22 February 1992	9.4 °C28 July 1992	21.1 °C	2,487 mm	26
1991	32.5 °C10 August 1991	9.5 °C4 September 1991	20.9 °C	2,252 mm	17
1990	32.7 °C16 November 1990	9.0 °C13 June 1990	21.1 °C	1,760 mm	27
1989	31.7 °C22 February 1989	8.1 °C18 July 1989	20.6 °C	2,409 mm	11
1988	32.4 °C1 April 1988	6.6 °C6 June 1988	20.7 °C	2,529 mm	25
1987	32.9 °C9 January 1987	9.1 °C26 June 1987	21.2 °C	2,525 mm	28
1986	32.0 °C18 January 1986	9.0 °C13 July 1986	21.1 °C	2,273 mm	20
1985	32.6 °C4 February 1985	8.7 °C14 June 1985	20.5 °C	2,528 mm	11
1984	33.0 °C20 January 1984	9.2 °C31 July 1984	21.2 °C	1,835 mm	34
1983	32.0 °C26 February 1983	8.0 °C7 August 1983	21.0 °C	3,078 mm	22
1982	31.0 °C20 November 1982	9.6 °C6 May 1982	20.7 °C	2,631 mm	6
1981	33.2 °C29 September 1981	9.4 °C6 July 1981	20.5 °C	2,388 mm	18
1980	32.3 °C27 October 1980	9.5 °C18 June 1980	20.9 °C	2,156 mm	17
1979	31.2 °C15 December 1979	5.9 °C1 June 1979	20.2 °C	2,664 mm	6
1978	32.5 °C31 January 1978	7.1 °C2 June 1978	20.5 °C	2,042 mm	23
1977	32.4 °C28 February 1977	10.5 °C21 May 1977	21.2 °C	1,871 mm	19
1976	31.8 °C25 January 1976	9.0 °C16 August 1976	20.5 °C	2,529 mm	10
1975	33.0 °C9 December 1975	7.0 °C8 July 1975	20.4 °C	2,656 mm	18
1974	31.9 °C2 December 1974	8.1 °C16 June 1974	20.5 °C	2,020 mm	15
1973	33.4 °C11 February 1973	9.6 °C20 June 1973	21.1 °C	2,687 mm	29
1972	32.7 °C6 January 1972	9.5 °C30 July 1972	20.8 °C	2,374 mm	12
1971	32.5 °C25 January 1971	9.1 °C14 September 1971	20.5 °C	2,047 mm	29
1970	31.7 °C10 December 1970	9.9 °C13 August 1970	20.4 °C	1,570 mm	18
1969	33.9 °C17 February 1969	9.9 °C19 July 1969	20.6 °C	1,968 mm	25
1968	34.0 °C24 December 1968	8.0 °C14 July 1968	19.5 °C	1,777 mm	17
1967	31.9 °C14 January 1967	10.0 °C19 July 1967	20.7 °C	2,725 mm	14
1966	33.0 °C5 December 1966	9.8 °C25 September 1966	20.2 °C	2,819 mm	26
1965	31.8 °C21 December 1965	8.7 °C12 July 1965	20.2 °C	3,327 mm	15
1964	30.9 °C18 February 1964	8.7 °C29 July 1964	19.4 °C	3,024 mm	5
1963	34.1 °C1 November 1963	9.5 °C23 June 1963	20.5 °C	1,611 mm	34
1962	30.9 °C18 February 1962	8.3 °C18 June 1962	19.3 °C	3,301 mm	3
1961	35.5 °C28 September 1961	10.5 °C20 June 1961	21.0 °C	2,765 mm	34
1960	33.2 °C23 September 1960	9.0 °C16 July 1960	19.7 °C	2,802 mm	12
1959	31.2 °C7 September 1959	9.2 °C13 June 1959	20.5 °C	2,304 mm	17
1958	32.6 °C16 November 1958	7.5 °C22 September 1958	20.3 °C	2,299 mm	26
1957	32.3 °C19 October 1957	8.7 °C23 July 1957	20.1 °C	2,695 mm	10
1956	33.0 °C27 January 1956	8.6 °C11 August 1956	19.3 °C	2,063 mm	26
1955	32.6 °C1 October 1955	9.3 °C4 August 1955	19.9 °C	1,881 mm	19
1954	34.3 °C22 September 1954	9.2 °C30 August 1954	20.4 °C	2,824 mm	22
1953	31.7 °C30 January 1953	10.1 °C13 July 1953	20.3 °C	2,734 mm	9
1952	31.7 °C31 January 1952	10.1 °C17 July 1952	20.0 °C	3,236 mm	8
1951	34.3 °C23 November 1951	8.3 °C14 August 1951	19.8 °C	1,995 mm	26
1950	31.8 °C20 February 1950	8.1 °C14 July 1950	19.9 °C	2,848 mm	16
1949	30.9 °C6 January 1949	8.6 °C27 August 1949	19.6 °C	2,666 mm	5
1948	33.0 °C27 January 1948	8.3 °C31 August 1948	20.1 °C	1,968 mm	28
1947	33.1 °C15 January 1947	7.0 °C4 August 1947	19.7 °C	2,524 mm	24
1946	31.5 °C12 December 1946	8.7 °C30 July 1946	20.6 °C	2,918 mm	16
1945	32.4 °C13 November 1945	9.6 °C14 July 1945	20.4 °C	2,717 mm	12
1944	32.7 °C2 October 1944	8.6 °C22 August 1944	20.1 °C	2,885 mm	18
1943	30.3 °C19 January 1943	8.9 °C25 July 1943	19.0 °C	2,859 mm	2
1942	33.6 °C7 October 1942	6.6 °C24 June 1942	19.4 °C	2,218 mm	9
1941	32.5 °C12 January 1941	8.7 °C1 July 1941	20.2 °C	3,094 mm	10
1940	31.7 °C23 August 1940	10.7 °C28 September 1940	20.4 °C	3,379 mm	9

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

25.3 °C

+0.3 °C

Hot days (≥ 30 °C)

41 d/yr

+13

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1593 mm

-773 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.1 °C	+0.5 °C	310 mm	-69 mm
Feb	30.2 °C	+2.3 °C	40 mm	-264 mm
Mar	27.4 °C	+0.5 °C	223 mm	-84 mm
Apr	25.1 °C	-0.1 °C	197 mm	+43 mm
May	24.1 °C	+0.7 °C	28 mm	-59 mm
Jun	23.3 °C	+0.6 °C	44 mm	-13 mm
Jul	21.1 °C	-1.2 °C	46 mm	-8 mm
Aug	22.9 °C	-0.4 °C	26 mm	-35 mm
Sep	24.0 °C	-0.2 °C	60 mm	-45 mm
Oct	24.5 °C	-0.3 °C	157 mm	-30 mm
Nov	25.2 °C	0.0 °C	186 mm	-109 mm
Dec	28.3 °C	+1.9 °C	279 mm	-100 mm

The year's extremes

Hottest day

33.4 °C

17 Feb 2025

Coldest day

8.0 °C

14 Jun 2025

Wettest day

67.3 mm

15 Dec 2025

Windiest day

20.7 km/h

19 Nov 2025

Strongest gust

65.5 km/h

10 Dec 2025

Hottest feels-like

40.1 °C

20 Jan 2025

Coldest feels-like

6.5 °C

14 Jun 2025

Sunniest day

13.4 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 Cachoeiras de Macacu?

Cachoeiras de Macacu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.7 °C and it receives 2,366 mm of precipitation per year.

What is the hottest day ever recorded in Cachoeiras de Macacu?

The hottest day measured in Cachoeiras de Macacu between 1940 and 2025 was 18 November 2023, reaching 36.0 °C.

What is the coldest day in Cachoeiras de Macacu?

The coldest day measured in Cachoeiras de Macacu between 1940 and 2025 was 18 July 2000, at 5.4 °C.

Does it snow in Cachoeiras de Macacu?

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

Has the climate of Cachoeiras de Macacu warmed?

Yes: Cachoeiras de Macacu warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Cachoeiras de Macacu?

The wettest day measured in Cachoeiras de Macacu between 1940 and 2025 was 27 January 1952, with 174 mm of rain in 24 hours.

What was the windiest day in Cachoeiras de Macacu?

The windiest day measured in Cachoeiras de Macacu between 1940 and 2025 was 24 September 2007, with winds reaching 23.8 km/h.

What is the warmest month in Cachoeiras de Macacu?

The warmest month in Cachoeiras de Macacu is February (23.7 °C on average); the coldest is July (17.4 °C).

How much does it rain in Cachoeiras de Macacu?

Cachoeiras de Macacu receives on average 2,366 mm of precipitation per year, spread over about 205 rainy days.

Is it sunny in Cachoeiras de Macacu?

Cachoeiras de Macacu gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.

Are there tropical nights in Cachoeiras de Macacu?

Yes: Cachoeiras de Macacu has on average 79 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Cachoeiras de Macacu?

In Cachoeiras de Macacu, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 18 November 2023, and the lowest was 3.4 °C on 18 July 2000.

Compare Cachoeiras de Macacu with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Cachoeiras de Macacu

Other cities — Brazil

All cities in Brazil →