Jwaneng climate — normals and trends

Q: What is the climate of Jwaneng?

Jwaneng has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 20.1 °C and it receives 410 mm of precipitation per year.

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

The hottest day measured in Jwaneng between 1940 and 2025 was 7 January 2016, reaching 41.9 °C.

Q: What is the coldest day in Jwaneng?

The coldest day measured in Jwaneng between 1940 and 2025 was 9 July 2024, at -4.0 °C.

Q: Does it snow in Jwaneng?

Almost never: Jwaneng sees virtually no snow, with about 2 frost days per year.

Q: Has the climate of Jwaneng warmed?

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

Q: What is the wettest day in Jwaneng?

The wettest day measured in Jwaneng between 1940 and 2025 was 4 March 1953, with 87 mm of rain in 24 hours.

Q: What was the windiest day in Jwaneng?

The windiest day measured in Jwaneng between 1940 and 2025 was 19 September 1943, with winds reaching 43.3 km/h.

Q: What is the warmest month in Jwaneng?

The warmest month in Jwaneng is January (24.8 °C on average); the coldest is July (12.6 °C).

Q: How much does it rain in Jwaneng?

Jwaneng receives on average 410 mm of precipitation per year, spread over about 71 rainy days.

Q: Is it sunny in Jwaneng?

Jwaneng gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.

Jwaneng (Botswana) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 20.1 °C and it receives 410 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 January (24.8 °C on average) and the coldest is July (12.6 °C). Rainfall peaks in January.

Jwaneng averages 2 frost days, 122 hot days (≥ 30 °C) and 71 rainy days per year.

Jwaneng has warmed by +0.7 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.9 °C (on 7 January 2016) and the coldest -4.0 °C (on 9 July 2024).

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

JwanengJwaneng

coords: -24.60°, 24.73°
period: 1940–2025 · 86 yrs

BShHot semi-aridWarmest monthJanuaryColdest monthJulyWettest monthJanuaryDriest monthJuly

Mean daily temperature

20.1°C

Average daily high

27.4°C

Average daily low

13.6°C

Annual rainfall

410mm

Sunshine / day

11.2h

Mean relative humidity

49%

Average peak wind

18.4km/h

Seasonal range

12.2°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

122 d/yr

Rainy days (≥ 1 mm)

71 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.5 °C

Average feels-like low

11.5 °C

Average peak gust

37.4 km/h

Tropical nights (≥ 20 °C)

38 d/yr

Solar radiation

21.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.7 °C

since 1940

+0.1 °C per decade · r² = 0.09 · p = 0.005

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

41.9 °C

7 January 2016

Coldest day

-4.0 °C

9 July 2024

Wettest day

87 mm

4 March 1953

Windiest day

43.3 km/h

19 September 1943

Strongest gust

79.2 km/h

19 September 1943

Hottest feels-like

41.7 °C

7 January 2016

Coldest feels-like

-8.2 °C

21 July 1942

Sunniest day

13.4 h

13 December 1944

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.5 °C14 October 2025	-2.7 °C5 July 2025	19.6 °C	715 mm	111	1
2024	40.3 °C7 December 2024	-4.0 °C9 July 2024	21.7 °C	261 mm	179	6
2023	38.8 °C5 December 2023	-0.9 °C31 July 2023	20.8 °C	320 mm	156	2
2022	37.8 °C4 October 2022	0.2 °C16 June 2022	20.0 °C	519 mm	118	0
2021	37.7 °C16 November 2021	-2.2 °C22 July 2021	19.8 °C	542 mm	113	3
2020	38.0 °C8 November 2020	-2.8 °C20 August 2020	20.3 °C	324 mm	142	6
2019	38.7 °C24 October 2019	-0.4 °C25 June 2019	21.8 °C	328 mm	174	1
2018	39.6 °C7 January 2018	-0.1 °C11 August 2018	21.1 °C	254 mm	164	1
2017	37.6 °C7 November 2017	1.9 °C9 June 2017	20.3 °C	450 mm	114	0
2016	41.9 °C7 January 2016	-0.7 °C27 July 2016	21.6 °C	310 mm	164	1
2015	40.2 °C11 November 2015	-1.3 °C6 June 2015	21.9 °C	227 mm	186	2
2014	37.0 °C11 January 2014	-2.1 °C9 July 2014	20.0 °C	439 mm	115	4
2013	37.6 °C24 February 2013	0.3 °C13 August 2013	20.6 °C	243 mm	155	0
2012	38.0 °C20 November 2012	-2.0 °C10 June 2012	20.4 °C	259 mm	149	2
2011	39.3 °C24 October 2011	-2.2 °C2 June 2011	19.4 °C	405 mm	95	5
2010	36.8 °C9 October 2010	-2.5 °C13 July 2010	20.1 °C	467 mm	128	4
2009	37.6 °C18 December 2009	-1.3 °C15 July 2009	19.5 °C	488 mm	93	2
2008	37.3 °C31 December 2008	-1.4 °C7 July 2008	19.8 °C	391 mm	109	3
2007	36.8 °C22 February 2007	-2.9 °C24 May 2007	20.0 °C	271 mm	131	6
2006	37.0 °C15 December 2006	-0.4 °C23 May 2006	19.2 °C	567 mm	72	1
2005	37.6 °C2 November 2005	1.2 °C8 July 2005	21.1 °C	269 mm	153	0
2004	37.0 °C10 November 2004	-1.8 °C28 July 2004	20.1 °C	375 mm	113	2
2003	39.6 °C17 January 2003	-1.6 °C21 August 2003	21.0 °C	273 mm	171	1
2002	38.0 °C19 October 2002	-0.4 °C19 July 2002	20.6 °C	270 mm	155	1
2001	37.6 °C11 January 2001	0.3 °C1 July 2001	19.5 °C	638 mm	99	0
2000	35.4 °C19 October 2000	-1.5 °C21 July 2000	19.1 °C	627 mm	78	2
1999	36.6 °C1 March 1999	2.2 °C2 July 1999	20.3 °C	394 mm	128	0
1998	37.0 °C30 October 1998	-1.9 °C5 July 1998	20.5 °C	375 mm	152	3
1997	37.7 °C7 November 1997	-0.9 °C30 June 1997	19.6 °C	515 mm	108	1
1996	37.8 °C5 November 1996	-3.0 °C8 July 1996	19.6 °C	385 mm	116	4
1995	38.5 °C29 January 1995	-0.6 °C23 July 1995	20.7 °C	474 mm	137	3
1994	37.4 °C15 December 1994	-2.8 °C3 July 1994	19.9 °C	274 mm	129	9
1993	36.7 °C31 October 1993	0.7 °C15 June 1993	20.7 °C	323 mm	118	0
1992	39.5 °C30 January 1992	-2.6 °C24 June 1992	21.0 °C	264 mm	169	4
1991	36.3 °C7 October 1991	-0.3 °C28 July 1991	19.5 °C	502 mm	93	1
1990	38.4 °C13 November 1990	0.1 °C23 June 1990	20.4 °C	318 mm	139	0
1989	35.8 °C19 October 1989	-3.2 °C19 July 1989	19.5 °C	390 mm	89	6
1988	37.1 °C30 January 1988	-2.4 °C10 June 1988	19.3 °C	576 mm	81	3
1987	37.3 °C20 November 1987	-0.1 °C4 July 1987	20.9 °C	381 mm	157	2
1986	36.5 °C17 December 1986	1.3 °C25 July 1986	20.4 °C	444 mm	122	0
1985	36.7 °C8 January 1985	-1.7 °C13 July 1985	20.9 °C	297 mm	150	3
1984	38.3 °C16 February 1984	-3.1 °C22 June 1984	20.9 °C	241 mm	155	1
1983	37.3 °C22 February 1983	-0.4 °C27 June 1983	20.5 °C	377 mm	155	2
1982	37.1 °C28 December 1982	-2.7 °C16 June 1982	19.9 °C	480 mm	133	2
1981	38.0 °C7 November 1981	-1.3 °C17 June 1981	18.9 °C	468 mm	87	1
1980	36.5 °C2 January 1980	-3.1 °C23 June 1980	19.2 °C	385 mm	99	8
1979	38.2 °C7 January 1979	-2.1 °C13 June 1979	20.0 °C	366 mm	152	3
1978	35.2 °C29 September 1978	-3.2 °C21 June 1978	19.3 °C	439 mm	89	3
1977	36.3 °C18 November 1977	-1.3 °C27 June 1977	19.5 °C	547 mm	93	1
1976	34.6 °C18 December 1976	-0.4 °C21 June 1976	18.6 °C	480 mm	64	1
1975	35.9 °C16 October 1975	0.1 °C9 July 1975	19.0 °C	467 mm	92	0
1974	34.9 °C14 October 1974	-1.3 °C28 July 1974	18.7 °C	471 mm	58	3
1973	39.0 °C19 January 1973	-0.3 °C5 July 1973	19.9 °C	379 mm	115	1
1972	38.2 °C4 December 1972	-2.8 °C2 August 1972	19.8 °C	401 mm	113	4
1971	35.6 °C25 December 1971	-1.0 °C22 August 1971	19.6 °C	463 mm	103	2
1970	38.6 °C11 January 1970	-2.0 °C23 July 1970	20.7 °C	381 mm	154	2
1969	39.5 °C15 January 1969	-2.7 °C18 June 1969	20.3 °C	259 mm	124	3
1968	36.7 °C23 January 1968	-2.4 °C13 June 1968	19.3 °C	412 mm	126	8
1967	35.6 °C10 December 1967	-0.8 °C12 June 1967	18.8 °C	539 mm	79	2
1966	37.8 °C2 January 1966	0.8 °C7 August 1966	20.0 °C	503 mm	103	0
1965	37.9 °C29 October 1965	-1.1 °C23 June 1965	20.2 °C	194 mm	143	3
1964	38.2 °C23 February 1964	-1.7 °C21 June 1964	19.8 °C	308 mm	139	8
1963	36.2 °C16 November 1963	-1.2 °C14 July 1963	19.6 °C	404 mm	126	3
1962	37.7 °C16 October 1962	1.3 °C24 June 1962	20.1 °C	613 mm	139	0
1961	37.1 °C21 October 1961	2.1 °C7 August 1961	19.9 °C	452 mm	117	0
1960	37.5 °C8 October 1960	-0.6 °C20 July 1960	19.9 °C	413 mm	128	1
1959	37.6 °C18 October 1959	2.3 °C18 July 1959	19.5 °C	339 mm	125	0
1958	37.1 °C23 November 1958	-0.6 °C14 June 1958	19.6 °C	613 mm	96	3
1957	36.5 °C22 December 1957	-1.3 °C20 June 1957	19.8 °C	556 mm	89	2
1956	38.0 °C2 February 1956	-1.8 °C10 June 1956	20.0 °C	323 mm	120	5
1955	35.0 °C10 October 1955	-1.2 °C29 June 1955	18.6 °C	634 mm	57	1
1954	37.7 °C10 February 1954	-2.4 °C18 July 1954	20.5 °C	138 mm	186	11
1953	38.3 °C30 October 1953	-2.7 °C29 June 1953	19.8 °C	515 mm	102	5
1952	37.8 °C19 November 1952	-0.4 °C27 July 1952	20.3 °C	400 mm	124	1
1951	38.4 °C21 December 1951	0.3 °C14 July 1951	19.9 °C	507 mm	111	0
1950	36.7 °C30 December 1950	1.2 °C1 August 1950	19.5 °C	563 mm	96	0
1949	39.5 °C9 January 1949	-0.5 °C12 July 1949	20.8 °C	196 mm	157	1
1948	37.5 °C30 December 1948	0.9 °C23 July 1948	19.4 °C	535 mm	104	0
1947	38.4 °C9 October 1947	-1.6 °C13 July 1947	19.8 °C	508 mm	99	1
1946	37.9 °C22 October 1946	0.2 °C7 July 1946	20.3 °C	354 mm	135	0
1945	37.0 °C4 October 1945	-0.9 °C9 July 1945	20.3 °C	335 mm	108	4
1944	37.6 °C26 September 1944	0.9 °C9 July 1944	20.0 °C	520 mm	99	0
1943	36.4 °C13 February 1943	-0.6 °C6 August 1943	19.6 °C	514 mm	93	1
1942	36.9 °C24 October 1942	-3.1 °C21 July 1942	19.7 °C	413 mm	105	4
1941	38.3 °C16 October 1941	0.3 °C29 June 1941	20.7 °C	309 mm	148	0
1940	37.3 °C7 November 1940	-2.0 °C11 July 1940	20.6 °C	358 mm	143	2

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

26.7 °C

-0.7 °C

Hot days (≥ 30 °C)

111 d/yr

-11

Frost days (< 0 °C)

1 d/yr

-1

Annual rainfall

715 mm

+305 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.2 °C	-1.6 °C	123 mm	+47 mm
Feb	28.5 °C	-1.6 °C	293 mm	+220 mm
Mar	27.8 °C	-1.2 °C	32 mm	-18 mm
Apr	24.2 °C	-2.6 °C	92 mm	+59 mm
May	22.7 °C	-1.5 °C	6 mm	-3 mm
Jun	21.3 °C	+0.1 °C	0 mm	-5 mm
Jul	22.1 °C	+0.8 °C	1 mm	-1 mm
Aug	26.4 °C	+1.9 °C	0 mm	-3 mm
Sep	30.5 °C	+1.9 °C	3 mm	-5 mm
Oct	31.0 °C	+0.2 °C	19 mm	-10 mm
Nov	28.4 °C	-2.4 °C	62 mm	+12 mm
Dec	29.0 °C	-1.9 °C	84 mm	+12 mm

The year's extremes

Hottest day

35.5 °C

14 Oct 2025

Coldest day

-2.7 °C

5 Jul 2025

Wettest day

59.4 mm

16 Feb 2025

Windiest day

32.5 km/h

27 Sep 2025

Strongest gust

60.1 km/h

27 Sep 2025

Hottest feels-like

37.4 °C

25 Jan 2025

Coldest feels-like

-6.8 °C

5 Jul 2025

Sunniest day

13.2 h

16 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 Jwaneng?

Jwaneng has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 20.1 °C and it receives 410 mm of precipitation per year.

What is the hottest day ever recorded in Jwaneng?

The hottest day measured in Jwaneng between 1940 and 2025 was 7 January 2016, reaching 41.9 °C.

What is the coldest day in Jwaneng?

The coldest day measured in Jwaneng between 1940 and 2025 was 9 July 2024, at -4.0 °C.

Does it snow in Jwaneng?

Almost never: Jwaneng sees virtually no snow, with about 2 frost days per year.

Has the climate of Jwaneng warmed?

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

What is the wettest day in Jwaneng?

The wettest day measured in Jwaneng between 1940 and 2025 was 4 March 1953, with 87 mm of rain in 24 hours.

What was the windiest day in Jwaneng?

The windiest day measured in Jwaneng between 1940 and 2025 was 19 September 1943, with winds reaching 43.3 km/h.

What is the warmest month in Jwaneng?

The warmest month in Jwaneng is January (24.8 °C on average); the coldest is July (12.6 °C).

How much does it rain in Jwaneng?

Jwaneng receives on average 410 mm of precipitation per year, spread over about 71 rainy days.

Is it sunny in Jwaneng?

Jwaneng gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.

Are there tropical nights in Jwaneng?

Yes: Jwaneng has on average 38 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Jwaneng?

In Jwaneng, between 1940 and 2025, the highest apparent temperature reached 41.7 °C on 7 January 2016, and the lowest was -8.2 °C on 21 July 1942.

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