Rumbek climate — normals and trends

Q: What is the climate of Rumbek?

Rumbek has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.2 °C and it receives 1,187 mm of precipitation per year.

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

The hottest day measured in Rumbek between 1940 and 2025 was 26 February 2005, reaching 43.3 °C.

Q: What is the coldest day in Rumbek?

The coldest day measured in Rumbek between 1940 and 2025 was 28 December 1983, at 13.7 °C.

Q: Does it snow in Rumbek?

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

Q: Has the climate of Rumbek warmed?

Yes: Rumbek warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Rumbek?

The wettest day measured in Rumbek between 1940 and 2025 was 29 May 1944, with 107 mm of rain in 24 hours.

Q: What was the windiest day in Rumbek?

The windiest day measured in Rumbek between 1940 and 2025 was 1 April 1958, with winds reaching 28.8 km/h.

Q: What is the warmest month in Rumbek?

The warmest month in Rumbek is March (30.2 °C on average); the coldest is August (25.1 °C).

Q: How much does it rain in Rumbek?

Rumbek receives on average 1,187 mm of precipitation per year, spread over about 177 rainy days.

Q: Is it sunny in Rumbek?

Rumbek gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.

Rumbek (South Sudan) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.2 °C and it receives 1,187 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 March (30.2 °C on average) and the coldest is August (25.1 °C). Rainfall peaks in August.

Rumbek averages 0 frost days, 286 hot days (≥ 30 °C) and 177 rainy days per year.

Rumbek has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.

The hottest day of the period reached 43.3 °C (on 26 February 2005) and the coldest 13.7 °C (on 28 December 1983).

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

RumbekLakes

coords: 6.81°, 29.68°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMarchColdest monthAugustWettest monthAugustDriest monthJanuary

Mean daily temperature

27.2°C

Average daily high

32.8°C

Average daily low

23.0°C

Annual rainfall

1,187mm

Sunshine / day

10.5h

Mean relative humidity

63%

Average peak wind

11.5km/h

Seasonal range

5.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

286 d/yr

Rainy days (≥ 1 mm)

177 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.3 °C

Average feels-like low

24.9 °C

Average peak gust

29.0 km/h

Tropical nights (≥ 20 °C)

354 d/yr

Solar radiation

20.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.6 °C

since 1940

+0.3 °C per decade · r² = 0.69 · 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

43.3 °C

26 February 2005

Coldest day

13.7 °C

28 December 1983

Wettest day

107 mm

29 May 1944

Windiest day

28.8 km/h

1 April 1958

Strongest gust

66.2 km/h

18 January 1979

Hottest feels-like

45.9 °C

28 March 2016

Coldest feels-like

11.5 °C

28 December 1983

Sunniest day

12.0 h

2 April 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	40.9 °C23 February 2025	16.8 °C20 December 2025	28.0 °C	672 mm	319
2024	42.5 °C18 March 2024	21.2 °C2 August 2024	29.6 °C	731 mm	328
2023	40.9 °C6 March 2023	21.9 °C27 July 2023	29.4 °C	665 mm	342
2022	41.1 °C9 April 2022	19.8 °C29 August 2022	28.6 °C	729 mm	305
2021	41.4 °C10 March 2021	21.4 °C8 July 2021	29.0 °C	699 mm	325
2020	42.0 °C7 March 2020	19.3 °C12 January 2020	28.6 °C	909 mm	316
2019	41.6 °C14 March 2019	19.7 °C29 December 2019	28.6 °C	990 mm	318
2018	41.5 °C10 February 2018	21.4 °C8 August 2018	28.9 °C	720 mm	338
2017	42.0 °C7 March 2017	21.2 °C9 August 2017	29.3 °C	767 mm	334
2016	42.5 °C19 February 2016	20.4 °C28 January 2016	29.1 °C	843 mm	334
2015	42.1 °C10 March 2015	18.5 °C11 January 2015	28.7 °C	770 mm	340
2014	40.9 °C1 March 2014	20.6 °C19 August 2014	28.1 °C	951 mm	318
2013	41.2 °C25 February 2013	20.0 °C13 October 2013	28.5 °C	900 mm	317
2012	41.1 °C31 March 2012	20.8 °C14 July 2012	28.0 °C	1,024 mm	295
2011	40.3 °C3 April 2011	17.7 °C2 December 2011	27.9 °C	906 mm	320
2010	41.6 °C2 February 2010	20.8 °C3 January 2010	28.2 °C	1,068 mm	306
2009	39.8 °C7 March 2009	21.1 °C3 September 2009	28.3 °C	937 mm	333
2008	39.6 °C24 February 2008	20.6 °C15 October 2008	27.8 °C	1,040 mm	317
2007	40.2 °C21 March 2007	19.6 °C14 January 2007	28.0 °C	957 mm	317
2006	40.7 °C27 February 2006	18.5 °C1 December 2006	27.8 °C	977 mm	314
2005	43.3 °C26 February 2005	19.8 °C27 December 2005	28.5 °C	968 mm	322
2004	41.4 °C25 March 2004	19.2 °C5 February 2004	27.9 °C	949 mm	316
2003	41.0 °C4 April 2003	19.1 °C8 December 2003	27.9 °C	1,102 mm	309
2002	40.7 °C25 February 2002	17.9 °C13 January 2002	27.5 °C	991 mm	315
2001	39.6 °C27 February 2001	16.9 °C10 January 2001	27.3 °C	1,018 mm	322
2000	41.8 °C22 March 2000	18.3 °C12 December 2000	27.3 °C	1,074 mm	311
1999	40.3 °C7 February 1999	19.9 °C10 January 1999	27.1 °C	1,193 mm	290
1998	42.1 °C16 March 1998	17.8 °C15 January 1998	27.8 °C	1,337 mm	307
1997	40.9 °C23 March 1997	19.0 °C13 February 1997	27.3 °C	1,029 mm	311
1996	39.1 °C12 March 1996	19.4 °C28 March 1996	26.9 °C	1,498 mm	264
1995	40.2 °C11 March 1995	19.5 °C25 November 1995	27.2 °C	1,196 mm	276
1994	40.5 °C31 March 1994	18.6 °C6 December 1994	27.3 °C	1,173 mm	278
1993	40.2 °C3 March 1993	17.5 °C15 January 1993	27.0 °C	1,115 mm	301
1992	41.0 °C14 March 1992	16.6 °C5 January 1992	26.9 °C	1,177 mm	297
1991	40.2 °C20 February 1991	18.9 °C18 December 1991	27.1 °C	1,404 mm	292
1990	40.8 °C8 April 1990	20.2 °C28 July 1990	27.9 °C	1,043 mm	313
1989	39.8 °C1 March 1989	17.3 °C20 January 1989	26.7 °C	1,140 mm	291
1988	41.6 °C3 March 1988	20.3 °C18 July 1988	27.5 °C	1,206 mm	286
1987	40.9 °C23 March 1987	18.3 °C4 January 1987	27.3 °C	1,186 mm	312
1986	39.1 °C24 February 1986	16.3 °C7 December 1986	26.5 °C	1,264 mm	266
1985	41.2 °C14 March 1985	19.1 °C18 February 1985	26.4 °C	1,413 mm	233
1984	40.2 °C20 February 1984	17.8 °C21 January 1984	26.6 °C	1,181 mm	261
1983	40.9 °C26 March 1983	13.7 °C28 December 1983	27.1 °C	1,302 mm	299
1982	39.8 °C26 February 1982	17.2 °C10 February 1982	26.9 °C	1,096 mm	287
1981	39.8 °C1 March 1981	18.9 °C30 November 1981	27.1 °C	1,170 mm	292
1980	40.6 °C11 March 1980	18.1 °C14 December 1980	26.9 °C	1,262 mm	281
1979	39.2 °C23 March 1979	18.4 °C2 December 1979	26.7 °C	1,430 mm	303
1978	40.1 °C6 February 1978	16.5 °C15 December 1978	26.5 °C	1,419 mm	258
1977	38.3 °C28 February 1977	18.2 °C1 November 1977	26.6 °C	1,365 mm	272
1976	39.0 °C2 March 1976	17.3 °C1 January 1976	26.3 °C	1,351 mm	252
1975	39.5 °C18 February 1975	17.4 °C8 December 1975	26.2 °C	1,414 mm	229
1974	40.3 °C13 March 1974	18.6 °C7 December 1974	26.3 °C	1,619 mm	236
1973	40.7 °C19 February 1973	18.9 °C6 November 1973	27.2 °C	1,338 mm	284
1972	40.5 °C31 March 1972	18.4 °C2 January 1972	26.9 °C	1,363 mm	273
1971	40.6 °C22 March 1971	15.4 °C25 December 1971	26.3 °C	1,330 mm	244
1970	39.7 °C27 February 1970	17.1 °C3 December 1970	26.7 °C	1,329 mm	271
1969	39.8 °C4 March 1969	18.5 °C1 January 1969	26.9 °C	1,494 mm	303
1968	38.5 °C6 April 1968	16.7 °C17 January 1968	26.6 °C	1,156 mm	286
1967	38.6 °C17 April 1967	17.8 °C21 November 1967	26.5 °C	1,230 mm	285
1966	40.0 °C2 May 1966	17.2 °C2 March 1966	27.5 °C	1,148 mm	279
1965	39.5 °C27 May 1965	19.0 °C12 January 1965	27.4 °C	1,004 mm	270
1964	39.8 °C1 April 1964	19.3 °C5 December 1964	27.2 °C	1,209 mm	225
1963	39.3 °C24 March 1963	19.4 °C27 December 1963	26.2 °C	1,288 mm	229
1962	38.7 °C26 February 1962	15.0 °C4 January 1962	26.1 °C	1,514 mm	291
1961	40.6 °C7 March 1961	15.5 °C29 December 1961	26.4 °C	1,326 mm	269
1960	40.3 °C29 March 1960	18.6 °C12 November 1960	26.9 °C	1,428 mm	305
1959	41.3 °C16 March 1959	16.5 °C1 December 1959	26.5 °C	1,322 mm	308
1958	40.4 °C3 April 1958	17.1 °C21 December 1958	26.9 °C	1,553 mm	292
1957	37.8 °C17 February 1957	15.0 °C6 February 1957	26.4 °C	1,334 mm	290
1956	39.7 °C8 March 1956	17.2 °C18 January 1956	26.2 °C	1,438 mm	267
1955	38.6 °C28 February 1955	17.0 °C14 December 1955	26.2 °C	1,445 mm	260
1954	40.5 °C6 March 1954	18.0 °C9 December 1954	26.1 °C	1,324 mm	223
1953	38.5 °C21 January 1953	15.8 °C19 December 1953	25.8 °C	1,660 mm	270
1952	39.1 °C25 January 1952	19.6 °C24 November 1952	26.3 °C	1,676 mm	282
1951	39.3 °C6 March 1951	17.4 °C4 December 1951	26.4 °C	1,456 mm	286
1950	39.3 °C1 March 1950	17.2 °C5 December 1950	25.7 °C	1,888 mm	252
1949	39.8 °C5 March 1949	17.7 °C26 December 1949	26.1 °C	1,667 mm	269
1948	38.9 °C1 April 1948	18.4 °C26 December 1948	26.3 °C	1,473 mm	227
1947	38.5 °C10 March 1947	18.3 °C6 December 1947	26.6 °C	1,183 mm	225
1946	40.9 °C23 February 1946	15.8 °C11 December 1946	26.7 °C	1,113 mm	224
1945	39.7 °C22 February 1945	18.1 °C20 November 1945	26.4 °C	1,150 mm	247
1944	40.0 °C3 March 1944	18.7 °C2 December 1944	27.0 °C	1,113 mm	266
1943	41.0 °C14 March 1943	17.4 °C11 December 1943	26.6 °C	1,434 mm	210
1942	40.2 °C6 February 1942	18.1 °C7 January 1942	26.8 °C	1,076 mm	260
1941	42.0 °C22 March 1941	18.1 °C17 November 1941	27.3 °C	903 mm	274
1940	38.8 °C10 March 1940	17.4 °C16 November 1940	26.4 °C	1,366 mm	231

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

34.0 °C

+1.2 °C

Hot days (≥ 30 °C)

319 d/yr

+33

Frost days (< 0 °C)

0 d/yr

Annual rainfall

672 mm

-515 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	37.0 °C	+1.9 °C	0 mm	-5 mm
Feb	39.1 °C	+2.6 °C	0 mm	-12 mm
Mar	37.6 °C	+1.1 °C	2 mm	-37 mm
Apr	35.9 °C	+0.8 °C	15 mm	-66 mm
May	35.1 °C	+2.3 °C	35 mm	-106 mm
Jun	33.1 °C	+2.2 °C	52 mm	-103 mm
Jul	30.2 °C	+0.5 °C	154 mm	-25 mm
Aug	29.5 °C	-0.1 °C	202 mm	+17 mm
Sep	31.2 °C	+1.0 °C	125 mm	-46 mm
Oct	31.6 °C	+0.9 °C	85 mm	-70 mm
Nov	34.0 °C	+1.9 °C	2 mm	-54 mm
Dec	33.8 °C	0.0 °C	0 mm	-10 mm

The year's extremes

Hottest day

40.9 °C

23 Feb 2025

Coldest day

16.8 °C

20 Dec 2025

Wettest day

24.8 mm

30 Aug 2025

Windiest day

20.5 km/h

20 Feb 2025

Strongest gust

46.4 km/h

20 Feb 2025

Hottest feels-like

42.4 °C

4 Apr 2025

Coldest feels-like

15.6 °C

17 Dec 2025

Sunniest day

12.0 h

1 Apr 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 Rumbek?

Rumbek has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.2 °C and it receives 1,187 mm of precipitation per year.

What is the hottest day ever recorded in Rumbek?

The hottest day measured in Rumbek between 1940 and 2025 was 26 February 2005, reaching 43.3 °C.

What is the coldest day in Rumbek?

The coldest day measured in Rumbek between 1940 and 2025 was 28 December 1983, at 13.7 °C.

Does it snow in Rumbek?

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

Has the climate of Rumbek warmed?

Yes: Rumbek warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Rumbek?

The wettest day measured in Rumbek between 1940 and 2025 was 29 May 1944, with 107 mm of rain in 24 hours.

What was the windiest day in Rumbek?

The windiest day measured in Rumbek between 1940 and 2025 was 1 April 1958, with winds reaching 28.8 km/h.

What is the warmest month in Rumbek?

The warmest month in Rumbek is March (30.2 °C on average); the coldest is August (25.1 °C).

How much does it rain in Rumbek?

Rumbek receives on average 1,187 mm of precipitation per year, spread over about 177 rainy days.

Is it sunny in Rumbek?

Rumbek gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.

Are there tropical nights in Rumbek?

Yes: Rumbek has on average 354 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Rumbek?

In Rumbek, between 1940 and 2025, the highest apparent temperature reached 45.9 °C on 28 March 2016, and the lowest was 11.5 °C on 28 December 1983.

Compare Rumbek with another city

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