Calulo climate — normals and trends

Q: What is the climate of Calulo?

Calulo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 20.7 °C and it receives 1,310 mm of precipitation per year.

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

The hottest day measured in Calulo between 1940 and 2025 was 11 March 1946, reaching 33.7 °C.

Q: What is the coldest day in Calulo?

The coldest day measured in Calulo between 1940 and 2025 was 28 June 1957, at 7.5 °C.

Q: Does it snow in Calulo?

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

Q: Has the climate of Calulo warmed?

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

Q: What is the wettest day in Calulo?

The wettest day measured in Calulo between 1940 and 2025 was 14 January 2007, with 122 mm of rain in 24 hours.

Q: What was the windiest day in Calulo?

The windiest day measured in Calulo between 1940 and 2025 was 6 June 2018, with winds reaching 22.8 km/h.

Q: What is the warmest month in Calulo?

The warmest month in Calulo is April (21.6 °C on average); the coldest is July (19.1 °C).

Q: How much does it rain in Calulo?

Calulo receives on average 1,310 mm of precipitation per year, spread over about 160 rainy days.

Q: Is it sunny in Calulo?

Calulo gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Calulo (Angola) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 20.7 °C and it receives 1,310 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 April (21.6 °C on average) and the coldest is July (19.1 °C). Rainfall peaks in March.

Calulo averages 0 frost days, 18 hot days (≥ 30 °C) and 160 rainy days per year.

Calulo 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 33.7 °C (on 11 March 1946) and the coldest 7.5 °C (on 28 June 1957).

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

CaluloKwanza Sul Province

coords: -10.00°, 14.90°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthJulyWettest monthMarchDriest monthJuly

Mean daily temperature

20.7°C

Average daily high

26.7°C

Average daily low

16.5°C

Annual rainfall

1,310mm

Sunshine / day

10.1h

Mean relative humidity

80%

Average peak wind

11.3km/h

Seasonal range

2.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

18 d/yr

Rainy days (≥ 1 mm)

160 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.2 °C

Average feels-like low

18.0 °C

Average peak gust

33.2 km/h

Tropical nights (≥ 20 °C)

5 d/yr

Solar radiation

19.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.2 °C

since 1940

+0.1 °C per decade · r² = 0.55 · 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

33.7 °C

11 March 1946

Coldest day

7.5 °C

28 June 1957

Wettest day

122 mm

14 January 2007

Windiest day

22.8 km/h

6 June 2018

Strongest gust

62.6 km/h

9 April 1991

Hottest feels-like

37.3 °C

21 February 2024

Coldest feels-like

5.5 °C

28 July 1954

Sunniest day

12.4 h

15 November 1946

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	31.4 °C18 May 2025	11.9 °C12 July 2025	21.3 °C	1,114 mm	25
2024	32.8 °C11 May 2024	11.7 °C31 July 2024	21.7 °C	1,913 mm	83
2023	31.5 °C19 April 2023	12.5 °C27 June 2023	21.3 °C	1,636 mm	19
2022	30.9 °C6 May 2022	12.3 °C14 June 2022	21.0 °C	1,250 mm	8
2021	32.2 °C9 October 2021	13.1 °C29 July 2021	21.4 °C	1,487 mm	11
2020	31.0 °C1 May 2020	13.8 °C30 July 2020	21.5 °C	1,158 mm	12
2019	31.4 °C27 March 2019	12.8 °C28 June 2019	21.6 °C	1,466 mm	12
2018	30.9 °C3 May 2018	12.7 °C1 August 2018	21.3 °C	1,431 mm	8
2017	31.3 °C12 May 2017	12.3 °C9 July 2017	21.3 °C	1,118 mm	19
2016	30.9 °C6 August 2016	11.5 °C26 July 2016	21.6 °C	1,555 mm	12
2015	31.7 °C7 July 2015	12.2 °C26 June 2015	21.1 °C	1,616 mm	16
2014	31.4 °C26 August 2014	10.9 °C7 July 2014	21.2 °C	1,340 mm	13
2013	31.7 °C30 July 2013	11.1 °C9 August 2013	21.0 °C	1,254 mm	15
2012	32.0 °C4 February 2012	11.2 °C20 July 2012	20.9 °C	1,121 mm	15
2011	31.1 °C2 August 2011	11.1 °C29 June 2011	20.9 °C	1,284 mm	12
2010	31.2 °C7 March 2010	12.5 °C29 June 2010	21.2 °C	1,395 mm	29
2009	31.8 °C23 August 2009	11.7 °C11 July 2009	21.2 °C	1,243 mm	24
2008	31.2 °C6 October 2008	10.9 °C6 July 2008	20.6 °C	1,344 mm	7
2007	31.9 °C12 May 2007	11.2 °C11 June 2007	20.6 °C	1,573 mm	15
2006	31.6 °C26 July 2006	10.8 °C18 May 2006	20.6 °C	1,543 mm	7
2005	31.1 °C20 February 2005	10.8 °C26 June 2005	20.7 °C	1,692 mm	8
2004	30.7 °C5 May 2004	11.8 °C21 June 2004	20.7 °C	1,386 mm	3
2003	31.5 °C23 May 2003	11.7 °C1 July 2003	21.1 °C	1,316 mm	20
2002	32.1 °C1 September 2002	11.0 °C28 June 2002	20.9 °C	1,558 mm	18
2001	31.1 °C23 July 2001	11.1 °C20 July 2001	20.7 °C	1,198 mm	22
2000	31.7 °C30 August 2000	12.0 °C16 July 2000	20.7 °C	1,168 mm	21
1999	31.8 °C15 August 1999	12.6 °C3 July 1999	20.8 °C	1,507 mm	13
1998	33.5 °C26 August 1998	12.8 °C20 July 1998	21.6 °C	1,337 mm	59
1997	32.7 °C6 August 1997	11.0 °C4 July 1997	20.9 °C	1,435 mm	36
1996	31.7 °C18 July 1996	10.6 °C17 July 1996	20.8 °C	968 mm	21
1995	32.3 °C15 August 1995	12.4 °C6 August 1995	20.9 °C	1,534 mm	19
1994	31.8 °C19 February 1994	11.1 °C4 July 1994	20.7 °C	1,659 mm	22
1993	32.1 °C7 September 1993	12.1 °C5 August 1993	20.9 °C	1,285 mm	30
1992	32.1 °C13 March 1992	10.4 °C23 July 1992	20.3 °C	1,348 mm	5
1991	31.3 °C14 August 1991	11.1 °C7 June 1991	20.7 °C	1,372 mm	11
1990	32.3 °C26 January 1990	11.1 °C19 August 1990	20.9 °C	1,463 mm	27
1989	32.7 °C17 August 1989	11.5 °C16 July 1989	20.9 °C	1,158 mm	27
1988	31.9 °C31 May 1988	11.7 °C19 July 1988	20.9 °C	1,746 mm	33
1987	31.6 °C24 July 1987	11.6 °C27 July 1987	21.2 °C	1,263 mm	33
1986	33.4 °C22 August 1986	10.9 °C8 August 1986	20.6 °C	1,222 mm	32
1985	32.8 °C6 March 1985	11.0 °C24 June 1985	20.7 °C	1,143 mm	22
1984	32.7 °C13 August 1984	12.4 °C26 July 1984	21.0 °C	1,550 mm	53
1983	32.2 °C23 August 1983	9.7 °C26 June 1983	20.7 °C	1,420 mm	29
1982	30.4 °C22 August 1982	11.2 °C3 July 1982	20.2 °C	1,093 mm	5
1981	32.6 °C27 February 1981	9.7 °C22 June 1981	20.9 °C	967 mm	65
1980	32.4 °C1 October 1980	11.0 °C31 July 1980	20.9 °C	1,040 mm	50
1979	31.0 °C21 May 1979	11.8 °C7 July 1979	20.8 °C	1,188 mm	15
1978	30.9 °C5 March 1978	11.7 °C16 July 1978	20.1 °C	935 mm	3
1977	31.0 °C18 May 1977	10.2 °C11 July 1977	20.3 °C	1,216 mm	6
1976	31.1 °C13 September 1976	8.7 °C7 July 1976	19.8 °C	1,351 mm	2
1975	30.0 °C4 July 1975	10.9 °C22 July 1975	20.1 °C	1,274 mm	1
1974	30.1 °C29 April 1974	9.5 °C9 July 1974	19.9 °C	1,229 mm	1
1973	30.2 °C25 April 1973	11.0 °C13 July 1973	20.6 °C	1,311 mm	3
1972	29.4 °C11 February 1972	9.8 °C22 June 1972	20.1 °C	1,490 mm	0
1971	29.9 °C8 May 1971	11.4 °C20 July 1971	20.0 °C	1,330 mm	0
1970	30.7 °C24 March 1970	10.7 °C5 July 1970	20.3 °C	1,510 mm	2
1969	30.3 °C25 May 1969	11.8 °C29 June 1969	20.4 °C	1,265 mm	2
1968	30.2 °C3 May 1968	10.4 °C19 June 1968	20.0 °C	1,488 mm	1
1967	30.0 °C11 May 1967	12.2 °C20 July 1967	20.1 °C	1,297 mm	1
1966	30.5 °C16 May 1966	11.6 °C20 July 1966	20.6 °C	1,594 mm	2
1965	30.4 °C14 May 1965	10.8 °C20 July 1965	20.2 °C	1,476 mm	2
1964	30.0 °C8 April 1964	8.2 °C31 July 1964	19.9 °C	1,343 mm	1
1963	29.6 °C26 March 1963	8.7 °C13 July 1963	20.1 °C	1,031 mm	0
1962	29.6 °C23 May 1962	10.0 °C1 July 1962	19.9 °C	1,335 mm	0
1961	29.7 °C21 August 1961	9.6 °C31 July 1961	20.0 °C	1,233 mm	0
1960	29.1 °C29 March 1960	10.5 °C7 July 1960	20.2 °C	1,889 mm	0
1959	29.5 °C26 April 1959	11.5 °C26 July 1959	20.3 °C	1,615 mm	0
1958	31.1 °C11 August 1958	8.4 °C25 June 1958	20.0 °C	840 mm	2
1957	31.5 °C18 March 1957	7.5 °C28 June 1957	20.1 °C	1,053 mm	6
1956	31.3 °C8 January 1956	9.3 °C30 July 1956	19.8 °C	712 mm	3
1955	31.5 °C13 March 1955	9.0 °C11 July 1955	20.0 °C	979 mm	17
1954	31.6 °C18 September 1954	7.9 °C28 July 1954	20.3 °C	1,288 mm	35
1953	30.0 °C19 July 1953	9.7 °C22 June 1953	20.0 °C	790 mm	1
1952	30.3 °C21 September 1952	10.3 °C14 July 1952	20.2 °C	1,885 mm	3
1951	31.3 °C29 July 1951	10.9 °C15 July 1951	20.3 °C	1,623 mm	8
1950	32.9 °C15 August 1950	8.3 °C18 July 1950	20.0 °C	1,600 mm	2
1949	31.1 °C9 August 1949	12.1 °C23 August 1949	20.3 °C	1,700 mm	5
1948	31.1 °C10 August 1948	11.1 °C13 July 1948	20.4 °C	1,428 mm	19
1947	33.1 °C9 August 1947	8.5 °C11 July 1947	20.6 °C	1,073 mm	64
1946	33.7 °C11 March 1946	9.4 °C21 June 1946	20.5 °C	819 mm	44
1945	31.7 °C23 July 1945	10.3 °C25 June 1945	20.5 °C	1,087 mm	15
1944	32.4 °C9 June 1944	10.6 °C3 July 1944	20.7 °C	1,034 mm	36
1943	32.4 °C4 September 1943	8.4 °C3 July 1943	20.1 °C	1,342 mm	19
1942	31.8 °C23 January 1942	10.3 °C27 June 1942	20.6 °C	877 mm	31
1941	32.3 °C29 January 1941	9.8 °C31 August 1941	21.0 °C	506 mm	72
1940	31.8 °C21 February 1940	10.5 °C22 March 1940	20.3 °C	966 mm	41

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

27.2 °C

+0.5 °C

Hot days (≥ 30 °C)

25 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1114 mm

-196 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	26.0 °C	0.0 °C	77 mm	-19 mm
Feb	27.5 °C	+0.6 °C	77 mm	-30 mm
Mar	28.1 °C	+1.4 °C	210 mm	-35 mm
Apr	27.5 °C	+0.3 °C	279 mm	+41 mm
May	28.9 °C	+1.0 °C	46 mm	+3 mm
Jun	28.9 °C	+1.3 °C	0 mm	-1 mm
Jul	27.7 °C	+0.4 °C	0 mm	+0 mm
Aug	25.6 °C	-1.5 °C	3 mm	-2 mm
Sep	26.4 °C	-0.6 °C	15 mm	-29 mm
Oct	26.7 °C	+0.6 °C	72 mm	-71 mm
Nov	26.6 °C	+1.2 °C	198 mm	-37 mm
Dec	26.9 °C	+1.5 °C	138 mm	-16 mm

The year's extremes

Hottest day

31.4 °C

18 May 2025

Coldest day

11.9 °C

12 Jul 2025

Wettest day

28.6 mm

31 Mar 2025

Windiest day

19.1 km/h

13 May 2025

Strongest gust

51.8 km/h

14 Oct 2025

Hottest feels-like

36.2 °C

29 Mar 2025

Coldest feels-like

10.9 °C

1 Aug 2025

Sunniest day

12.4 h

17 Nov 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 Calulo?

Calulo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 20.7 °C and it receives 1,310 mm of precipitation per year.

What is the hottest day ever recorded in Calulo?

The hottest day measured in Calulo between 1940 and 2025 was 11 March 1946, reaching 33.7 °C.

What is the coldest day in Calulo?

The coldest day measured in Calulo between 1940 and 2025 was 28 June 1957, at 7.5 °C.

Does it snow in Calulo?

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

Has the climate of Calulo warmed?

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

What is the wettest day in Calulo?

The wettest day measured in Calulo between 1940 and 2025 was 14 January 2007, with 122 mm of rain in 24 hours.

What was the windiest day in Calulo?

The windiest day measured in Calulo between 1940 and 2025 was 6 June 2018, with winds reaching 22.8 km/h.

What is the warmest month in Calulo?

The warmest month in Calulo is April (21.6 °C on average); the coldest is July (19.1 °C).

How much does it rain in Calulo?

Calulo receives on average 1,310 mm of precipitation per year, spread over about 160 rainy days.

Is it sunny in Calulo?

Calulo gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Are there tropical nights in Calulo?

Yes: Calulo has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Calulo?

In Calulo, between 1940 and 2025, the highest apparent temperature reached 37.3 °C on 21 February 2024, and the lowest was 5.5 °C on 28 July 1954.

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