Chisasa climate — normals and trends

Q: What is the climate of Chisasa?

Chisasa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 20.6 °C and it receives 1,449 mm of precipitation per year.

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

The hottest day measured in Chisasa between 1940 and 2025 was 13 October 1941, reaching 36.5 °C.

Q: What is the coldest day in Chisasa?

The coldest day measured in Chisasa between 1940 and 2025 was 1 July 1994, at 5.0 °C.

Q: Does it snow in Chisasa?

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

Q: Has the climate of Chisasa warmed?

Yes: Chisasa warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Chisasa?

The wettest day measured in Chisasa between 1940 and 2025 was 19 December 2007, with 93 mm of rain in 24 hours.

Q: What was the windiest day in Chisasa?

The windiest day measured in Chisasa between 1940 and 2025 was 2 February 1972, with winds reaching 27.6 km/h.

Q: What is the warmest month in Chisasa?

The warmest month in Chisasa is September (23.5 °C on average); the coldest is June (18.2 °C).

Q: How much does it rain in Chisasa?

Chisasa receives on average 1,449 mm of precipitation per year, spread over about 159 rainy days.

Q: Is it sunny in Chisasa?

Chisasa gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Chisasa (Zambia) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 20.6 °C and it receives 1,449 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 September (23.5 °C on average) and the coldest is June (18.2 °C). Rainfall peaks in December.

Chisasa averages 0 frost days, 54 hot days (≥ 30 °C) and 159 rainy days per year.

Chisasa has warmed by +0.7 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.5 °C (on 13 October 1941) and the coldest 5.0 °C (on 1 July 1994).

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

ChisasaNorth-Western

coords: -12.11°, 25.50°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthSeptemberColdest monthJuneWettest monthDecemberDriest monthJuly

Mean daily temperature

20.6°C

Average daily high

27.1°C

Average daily low

15.7°C

Annual rainfall

1,449mm

Sunshine / day

10.4h

Mean relative humidity

64%

Average peak wind

12.0km/h

Seasonal range

5.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

54 d/yr

Rainy days (≥ 1 mm)

159 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.3 °C

Average feels-like low

15.2 °C

Average peak gust

32.0 km/h

Tropical nights (≥ 20 °C)

3 d/yr

Solar radiation

20.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.7 °C

since 1940

+0.1 °C per decade · r² = 0.28 · 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

36.5 °C

13 October 1941

Coldest day

5.0 °C

1 July 1994

Wettest day

93 mm

19 December 2007

Windiest day

27.6 km/h

2 February 1972

Strongest gust

77.4 km/h

22 February 1958

Hottest feels-like

37.3 °C

28 October 2019

Coldest feels-like

0.9 °C

1 July 1994

Sunniest day

12.7 h

31 December 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.0 °C17 September 2025	8.1 °C12 July 2025	20.7 °C	1,242 mm	66
2024	35.2 °C27 September 2024	7.1 °C15 June 2024	21.4 °C	983 mm	85
2023	34.4 °C9 October 2023	10.2 °C12 July 2023	21.2 °C	1,584 mm	69
2022	33.5 °C26 October 2022	9.8 °C29 June 2022	20.7 °C	1,735 mm	55
2021	34.7 °C10 October 2021	9.2 °C27 July 2021	20.8 °C	1,384 mm	71
2020	34.5 °C4 October 2020	8.8 °C18 July 2020	20.9 °C	1,604 mm	51
2019	33.6 °C23 September 2019	9.0 °C24 July 2019	21.2 °C	1,295 mm	73
2018	33.4 °C28 September 2018	9.1 °C8 June 2018	20.9 °C	1,359 mm	72
2017	34.3 °C17 October 2017	10.7 °C14 July 2017	20.8 °C	1,325 mm	52
2016	35.0 °C17 October 2016	9.7 °C11 July 2016	21.3 °C	1,256 mm	72
2015	34.0 °C12 October 2015	10.1 °C16 June 2015	21.0 °C	1,425 mm	63
2014	34.5 °C20 September 2014	9.3 °C13 July 2014	21.0 °C	1,446 mm	63
2013	34.7 °C28 September 2013	9.6 °C25 June 2013	20.9 °C	1,355 mm	58
2012	34.4 °C11 October 2012	8.1 °C20 July 2012	20.8 °C	1,255 mm	72
2011	34.0 °C24 October 2011	9.1 °C3 July 2011	20.7 °C	1,237 mm	45
2010	34.7 °C4 October 2010	9.7 °C13 August 2010	21.1 °C	1,279 mm	64
2009	34.1 °C19 September 2009	9.3 °C3 July 2009	20.8 °C	1,365 mm	56
2008	35.5 °C27 September 2008	9.3 °C27 June 2008	20.9 °C	1,292 mm	69
2007	34.2 °C25 September 2007	9.6 °C6 July 2007	21.0 °C	1,519 mm	56
2006	33.9 °C22 October 2006	9.4 °C29 June 2006	20.8 °C	1,295 mm	55
2005	33.8 °C13 October 2005	10.0 °C3 July 2005	21.4 °C	1,097 mm	81
2004	33.9 °C8 October 2004	9.3 °C8 July 2004	20.7 °C	1,409 mm	62
2003	36.3 °C15 October 2003	8.5 °C9 July 2003	21.1 °C	1,353 mm	69
2002	34.4 °C30 September 2002	10.1 °C27 June 2002	21.0 °C	1,231 mm	54
2001	34.3 °C7 September 2001	10.3 °C27 July 2001	20.8 °C	1,452 mm	65
2000	34.1 °C11 October 2000	9.6 °C8 July 2000	20.9 °C	1,340 mm	60
1999	33.6 °C22 October 1999	10.2 °C22 July 1999	20.7 °C	1,239 mm	41
1998	34.5 °C8 October 1998	9.6 °C15 June 1998	21.5 °C	1,440 mm	83
1997	34.5 °C25 September 1997	9.9 °C14 July 1997	21.0 °C	1,444 mm	60
1996	33.5 °C16 October 1996	6.5 °C3 July 1996	20.9 °C	1,393 mm	82
1995	33.3 °C13 October 1995	5.4 °C19 June 1995	21.0 °C	1,241 mm	82
1994	34.0 °C27 September 1994	5.0 °C1 July 1994	20.5 °C	1,231 mm	48
1993	35.2 °C26 October 1993	8.6 °C11 June 1993	20.5 °C	1,648 mm	47
1992	32.8 °C1 October 1992	7.9 °C4 August 1992	20.6 °C	1,136 mm	52
1991	33.1 °C7 October 1991	6.0 °C24 July 1991	20.4 °C	1,279 mm	37
1990	32.7 °C11 November 1990	7.1 °C13 July 1990	20.5 °C	1,301 mm	50
1989	33.8 °C8 November 1989	6.3 °C18 June 1989	20.4 °C	1,391 mm	53
1988	33.1 °C2 September 1988	6.8 °C18 July 1988	20.7 °C	1,362 mm	41
1987	33.4 °C22 September 1987	6.6 °C28 June 1987	20.9 °C	1,206 mm	51
1986	32.2 °C17 September 1986	7.4 °C17 June 1986	20.0 °C	1,692 mm	29
1985	31.9 °C26 October 1985	7.4 °C14 July 1985	20.1 °C	1,334 mm	38
1984	33.3 °C16 October 1984	8.9 °C11 June 1984	20.4 °C	1,325 mm	48
1983	33.3 °C1 October 1983	8.4 °C27 July 1983	20.9 °C	1,315 mm	45
1982	31.7 °C2 September 1982	8.4 °C16 July 1982	20.2 °C	1,596 mm	26
1981	32.3 °C17 September 1981	7.3 °C20 June 1981	20.3 °C	1,276 mm	53
1980	34.7 °C19 September 1980	9.2 °C10 July 1980	20.6 °C	1,304 mm	45
1979	33.9 °C3 October 1979	7.7 °C7 July 1979	20.0 °C	1,671 mm	46
1978	33.8 °C1 October 1978	8.5 °C13 July 1978	20.3 °C	1,878 mm	48
1977	33.3 °C4 October 1977	8.2 °C27 June 1977	20.5 °C	1,608 mm	54
1976	31.5 °C25 October 1976	7.8 °C29 June 1976	19.6 °C	1,781 mm	24
1975	32.6 °C26 October 1975	6.6 °C23 July 1975	20.0 °C	1,359 mm	42
1974	32.3 °C20 October 1974	6.8 °C16 June 1974	19.8 °C	1,474 mm	55
1973	33.7 °C23 September 1973	8.3 °C13 July 1973	20.3 °C	1,257 mm	43
1972	33.4 °C22 September 1972	8.6 °C21 June 1972	19.9 °C	1,550 mm	28
1971	33.7 °C9 October 1971	9.0 °C14 June 1971	20.1 °C	1,358 mm	29
1970	32.6 °C4 September 1970	8.1 °C9 July 1970	20.3 °C	1,583 mm	31
1969	33.5 °C9 October 1969	9.2 °C23 June 1969	20.3 °C	1,743 mm	28
1968	33.9 °C5 October 1968	6.9 °C15 June 1968	20.2 °C	1,468 mm	47
1967	33.4 °C3 October 1967	9.1 °C21 July 1967	20.2 °C	1,530 mm	26
1966	32.7 °C6 October 1966	9.0 °C29 July 1966	20.5 °C	1,465 mm	31
1965	32.8 °C20 September 1965	9.3 °C5 July 1965	20.3 °C	1,488 mm	40
1964	33.4 °C2 October 1964	9.0 °C29 June 1964	20.5 °C	1,492 mm	24
1963	33.3 °C8 September 1963	8.9 °C9 June 1963	20.5 °C	1,763 mm	40
1962	33.4 °C2 November 1962	9.2 °C27 June 1962	20.5 °C	1,770 mm	51
1961	33.2 °C17 October 1961	8.8 °C13 August 1961	20.0 °C	2,007 mm	38
1960	32.5 °C28 October 1960	8.4 °C3 July 1960	19.9 °C	1,587 mm	25
1959	32.3 °C30 September 1959	9.5 °C19 June 1959	20.1 °C	1,768 mm	31
1958	33.5 °C10 September 1958	8.2 °C23 June 1958	20.1 °C	1,897 mm	19
1957	32.3 °C22 October 1957	8.1 °C31 May 1957	20.0 °C	1,965 mm	31
1956	34.6 °C16 October 1956	9.5 °C19 June 1956	20.2 °C	1,631 mm	68
1955	34.3 °C6 October 1955	9.3 °C11 August 1955	20.3 °C	1,498 mm	50
1954	34.7 °C23 October 1954	8.0 °C22 June 1954	21.5 °C	803 mm	128
1953	34.3 °C28 October 1953	8.9 °C24 June 1953	20.3 °C	2,000 mm	61
1952	35.0 °C12 October 1952	9.1 °C6 August 1952	20.9 °C	1,499 mm	67
1951	34.8 °C5 October 1951	8.2 °C10 June 1951	20.6 °C	1,537 mm	58
1950	32.6 °C11 October 1950	9.2 °C29 May 1950	20.0 °C	1,581 mm	37
1949	34.3 °C5 October 1949	8.6 °C8 June 1949	20.6 °C	1,642 mm	66
1948	34.3 °C13 September 1948	9.6 °C21 June 1948	20.4 °C	1,713 mm	45
1947	34.6 °C8 October 1947	8.5 °C2 July 1947	20.6 °C	1,468 mm	60
1946	33.3 °C8 October 1946	8.1 °C18 June 1946	20.6 °C	1,391 mm	61
1945	34.2 °C5 October 1945	9.8 °C20 June 1945	20.7 °C	1,413 mm	68
1944	35.8 °C20 September 1944	9.9 °C14 July 1944	20.7 °C	1,474 mm	75
1943	34.5 °C15 October 1943	8.7 °C3 July 1943	20.5 °C	1,247 mm	61
1942	33.9 °C19 September 1942	9.6 °C13 July 1942	20.7 °C	1,261 mm	82
1941	36.5 °C13 October 1941	10.1 °C22 June 1941	20.9 °C	1,334 mm	74
1940	33.0 °C13 October 1940	9.0 °C17 July 1940	20.1 °C	1,409 mm	51

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

27.5 °C

+0.4 °C

Hot days (≥ 30 °C)

66 d/yr

+12

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1242 mm

-207 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	25.7 °C	+0.2 °C	245 mm	-41 mm
Feb	27.2 °C	+1.3 °C	231 mm	-21 mm
Mar	27.2 °C	+1.0 °C	136 mm	-103 mm
Apr	27.2 °C	+0.7 °C	94 mm	+20 mm
May	25.9 °C	-0.9 °C	17 mm	+9 mm
Jun	26.0 °C	+0.3 °C	0 mm	-0 mm
Jul	25.1 °C	-0.7 °C	0 mm	0 mm
Aug	28.5 °C	+0.1 °C	0 mm	-1 mm
Sep	31.7 °C	+0.8 °C	5 mm	-3 mm
Oct	31.6 °C	+1.2 °C	24 mm	-44 mm
Nov	27.5 °C	+0.5 °C	222 mm	-1 mm
Dec	26.2 °C	+0.5 °C	267 mm	-22 mm

The year's extremes

Hottest day

34.0 °C

17 Sep 2025

Coldest day

8.1 °C

12 Jul 2025

Wettest day

35.2 mm

4 Feb 2025

Windiest day

22.8 km/h

9 Jul 2025

Strongest gust

52.2 km/h

9 Jul 2025

Hottest feels-like

35.1 °C

9 Feb 2025

Coldest feels-like

5.2 °C

12 Jul 2025

Sunniest day

12.7 h

11 Jan 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 Chisasa?

Chisasa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 20.6 °C and it receives 1,449 mm of precipitation per year.

What is the hottest day ever recorded in Chisasa?

The hottest day measured in Chisasa between 1940 and 2025 was 13 October 1941, reaching 36.5 °C.

What is the coldest day in Chisasa?

The coldest day measured in Chisasa between 1940 and 2025 was 1 July 1994, at 5.0 °C.

Does it snow in Chisasa?

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

Has the climate of Chisasa warmed?

Yes: Chisasa warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Chisasa?

The wettest day measured in Chisasa between 1940 and 2025 was 19 December 2007, with 93 mm of rain in 24 hours.

What was the windiest day in Chisasa?

The windiest day measured in Chisasa between 1940 and 2025 was 2 February 1972, with winds reaching 27.6 km/h.

What is the warmest month in Chisasa?

The warmest month in Chisasa is September (23.5 °C on average); the coldest is June (18.2 °C).

How much does it rain in Chisasa?

Chisasa receives on average 1,449 mm of precipitation per year, spread over about 159 rainy days.

Is it sunny in Chisasa?

Chisasa gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Are there tropical nights in Chisasa?

Yes: Chisasa has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Chisasa?

In Chisasa, between 1940 and 2025, the highest apparent temperature reached 37.3 °C on 28 October 2019, and the lowest was 0.9 °C on 1 July 1994.

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