Yambio climate — normals and trends

Q: What is the climate of Yambio?

Yambio has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.8 °C and it receives 1,748 mm of precipitation per year.

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

The hottest day measured in Yambio between 1940 and 2025 was 21 February 2005, reaching 41.6 °C.

Q: What is the coldest day in Yambio?

The coldest day measured in Yambio between 1940 and 2025 was 28 December 1983, at 14.3 °C.

Q: Does it snow in Yambio?

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

Q: Has the climate of Yambio warmed?

Yes: Yambio warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Yambio?

The wettest day measured in Yambio between 1940 and 2025 was 2 February 1952, with 98 mm of rain in 24 hours.

Q: What was the windiest day in Yambio?

The windiest day measured in Yambio between 1940 and 2025 was 15 March 2017, with winds reaching 24.4 km/h.

Q: What is the warmest month in Yambio?

The warmest month in Yambio is February (27.4 °C on average); the coldest is July (23.2 °C).

Q: How much does it rain in Yambio?

Yambio receives on average 1,748 mm of precipitation per year, spread over about 232 rainy days.

Q: Is it sunny in Yambio?

Yambio gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Yambio (South Sudan) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.8 °C and it receives 1,748 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 (27.4 °C on average) and the coldest is July (23.2 °C). Rainfall peaks in October.

Yambio averages 0 frost days, 150 hot days (≥ 30 °C) and 232 rainy days per year.

Yambio has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.6 °C (on 21 February 2005) and the coldest 14.3 °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

YambioWestern Equatoria

coords: 4.57°, 28.39°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthFebruaryColdest monthJulyWettest monthOctoberDriest monthJanuary

Mean daily temperature

24.8°C

Average daily high

29.9°C

Average daily low

20.9°C

Annual rainfall

1,748mm

Sunshine / day

10.2h

Mean relative humidity

73%

Average peak wind

10.3km/h

Seasonal range

4.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

150 d/yr

Rainy days (≥ 1 mm)

232 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.8 °C

Average feels-like low

23.1 °C

Average peak gust

27.1 km/h

Tropical nights (≥ 20 °C)

277 d/yr

Solar radiation

19.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.62 · 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

41.6 °C

21 February 2005

Coldest day

14.3 °C

28 December 1983

Wettest day

98 mm

2 February 1952

Windiest day

24.4 km/h

15 March 2017

Strongest gust

55.8 km/h

6 March 1985

Hottest feels-like

43.3 °C

16 March 1998

Coldest feels-like

11.3 °C

5 February 1957

Sunniest day

12.0 h

16 April 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.0 °C11 February 2025	17.8 °C23 November 2025	25.8 °C	1,034 mm	219
2024	39.7 °C5 March 2024	19.4 °C28 November 2024	26.8 °C	1,146 mm	221
2023	38.2 °C12 February 2023	18.9 °C15 December 2023	26.2 °C	1,247 mm	227
2022	38.4 °C27 February 2022	18.7 °C21 August 2022	25.7 °C	1,236 mm	190
2021	39.0 °C15 February 2021	18.5 °C14 July 2021	26.0 °C	1,184 mm	204
2020	39.4 °C5 March 2020	18.6 °C21 July 2020	26.2 °C	1,299 mm	189
2019	37.8 °C19 March 2019	19.1 °C13 July 2019	25.9 °C	1,370 mm	182
2018	40.1 °C8 February 2018	19.2 °C12 July 2018	25.6 °C	1,228 mm	167
2017	39.2 °C22 January 2017	18.4 °C24 November 2017	26.0 °C	1,351 mm	196
2016	40.6 °C29 February 2016	19.2 °C22 October 2016	26.1 °C	1,251 mm	189
2015	39.1 °C1 February 2015	17.8 °C15 December 2015	25.6 °C	1,357 mm	191
2014	38.3 °C22 February 2014	19.1 °C2 December 2014	25.5 °C	1,441 mm	150
2013	39.0 °C26 February 2013	17.2 °C16 December 2013	25.3 °C	1,427 mm	149
2012	38.3 °C5 February 2012	18.9 °C16 August 2012	25.2 °C	1,399 mm	162
2011	36.6 °C7 February 2011	16.8 °C2 December 2011	25.2 °C	1,405 mm	172
2010	38.5 °C2 February 2010	19.0 °C6 July 2010	25.4 °C	1,580 mm	175
2009	37.0 °C16 January 2009	19.0 °C11 August 2009	25.2 °C	1,597 mm	168
2008	35.9 °C23 February 2008	18.8 °C12 July 2008	24.9 °C	1,735 mm	157
2007	37.8 °C17 February 2007	17.9 °C2 October 2007	25.2 °C	1,629 mm	170
2006	39.2 °C25 January 2006	17.8 °C1 December 2006	25.1 °C	1,738 mm	156
2005	41.6 °C21 February 2005	18.0 °C15 December 2005	25.5 °C	1,522 mm	175
2004	37.9 °C11 February 2004	18.3 °C28 October 2004	25.3 °C	1,421 mm	173
2003	37.8 °C2 February 2003	18.0 °C20 December 2003	25.0 °C	1,586 mm	157
2002	39.7 °C25 February 2002	17.6 °C30 December 2002	24.8 °C	1,614 mm	146
2001	38.4 °C27 February 2001	16.1 °C6 January 2001	24.7 °C	1,611 mm	155
2000	37.5 °C13 March 2000	17.3 °C20 November 2000	24.8 °C	1,668 mm	172
1999	37.9 °C17 February 1999	18.3 °C10 September 1999	24.6 °C	1,927 mm	152
1998	38.7 °C16 March 1998	16.8 °C15 January 1998	25.5 °C	1,627 mm	189
1997	37.1 °C5 March 1997	16.5 °C24 January 1997	24.8 °C	1,816 mm	150
1996	36.4 °C22 January 1996	17.7 °C30 November 1996	24.6 °C	2,057 mm	135
1995	38.8 °C15 March 1995	18.6 °C28 September 1995	25.1 °C	1,737 mm	156
1994	38.5 °C2 March 1994	17.7 °C6 December 1994	24.8 °C	1,731 mm	155
1993	36.6 °C19 February 1993	16.6 °C10 February 1993	24.5 °C	1,758 mm	140
1992	40.7 °C12 March 1992	17.3 °C5 January 1992	24.7 °C	1,749 mm	144
1991	37.9 °C6 February 1991	18.9 °C19 December 1991	24.8 °C	1,666 mm	133
1990	36.5 °C28 January 1990	17.0 °C1 January 1990	24.9 °C	1,832 mm	136
1989	38.9 °C27 February 1989	17.4 °C21 January 1989	24.7 °C	1,768 mm	152
1988	37.6 °C29 February 1988	18.1 °C29 December 1988	25.0 °C	1,776 mm	167
1987	37.4 °C21 January 1987	17.8 °C6 January 1987	25.1 °C	1,870 mm	170
1986	37.2 °C24 February 1986	15.6 °C7 December 1986	24.3 °C	1,943 mm	119
1985	40.3 °C12 March 1985	17.2 °C19 February 1985	24.2 °C	2,040 mm	107
1984	35.5 °C19 February 1984	16.9 °C18 January 1984	24.2 °C	1,968 mm	137
1983	39.7 °C26 March 1983	14.3 °C28 December 1983	25.1 °C	1,849 mm	165
1982	37.4 °C20 February 1982	16.6 °C10 February 1982	24.5 °C	1,746 mm	142
1981	37.3 °C20 February 1981	17.1 °C1 December 1981	24.6 °C	1,873 mm	146
1980	38.4 °C22 February 1980	17.4 °C14 December 1980	24.8 °C	1,946 mm	124
1979	35.2 °C20 March 1979	17.9 °C3 December 1979	24.5 °C	2,135 mm	161
1978	37.7 °C3 February 1978	16.6 °C18 January 1978	24.4 °C	1,750 mm	147
1977	36.5 °C16 February 1977	17.9 °C28 December 1977	24.4 °C	1,911 mm	132
1976	37.0 °C30 January 1976	17.8 °C2 January 1976	24.1 °C	2,112 mm	117
1975	36.3 °C25 January 1975	17.1 °C8 December 1975	24.0 °C	2,116 mm	115
1974	35.8 °C10 February 1974	17.4 °C9 December 1974	24.0 °C	2,083 mm	128
1973	38.8 °C7 February 1973	17.9 °C20 December 1973	24.9 °C	1,961 mm	168
1972	36.3 °C13 January 1972	18.6 °C6 February 1972	24.5 °C	2,190 mm	146
1971	37.1 °C5 March 1971	15.3 °C21 December 1971	24.0 °C	1,984 mm	139
1970	37.5 °C27 February 1970	15.9 °C3 December 1970	24.5 °C	2,018 mm	173
1969	35.9 °C4 February 1969	18.3 °C1 February 1969	24.5 °C	2,186 mm	147
1968	35.9 °C6 April 1968	16.4 °C17 January 1968	24.2 °C	2,070 mm	140
1967	36.2 °C13 February 1967	17.0 °C10 January 1967	23.9 °C	2,139 mm	130
1966	37.2 °C6 April 1966	17.2 °C2 March 1966	25.1 °C	1,723 mm	160
1965	34.6 °C29 May 1965	17.2 °C18 December 1965	24.3 °C	1,751 mm	156
1964	36.1 °C30 May 1964	16.6 °C24 April 1964	24.6 °C	1,774 mm	164
1963	34.9 °C19 February 1963	18.5 °C26 September 1963	23.8 °C	2,037 mm	85
1962	36.5 °C26 February 1962	17.5 °C5 January 1962	23.9 °C	2,429 mm	109
1961	38.7 °C8 March 1961	16.8 °C29 December 1961	24.2 °C	1,914 mm	142
1960	36.2 °C10 February 1960	18.3 °C8 July 1960	24.5 °C	2,052 mm	150
1959	37.6 °C15 March 1959	18.1 °C1 December 1959	24.5 °C	2,056 mm	157
1958	38.5 °C27 February 1958	18.0 °C20 December 1958	24.7 °C	1,907 mm	159
1957	35.9 °C18 February 1957	14.5 °C6 February 1957	24.0 °C	1,899 mm	119
1956	36.0 °C11 January 1956	18.0 °C19 January 1956	24.0 °C	1,951 mm	116
1955	37.0 °C15 February 1955	18.2 °C14 December 1955	24.1 °C	1,902 mm	128
1954	37.3 °C1 February 1954	18.2 °C14 January 1954	23.9 °C	1,832 mm	113
1953	35.4 °C27 December 1953	16.9 °C19 December 1953	23.8 °C	2,316 mm	116
1952	39.8 °C27 January 1952	17.8 °C10 July 1952	24.1 °C	2,431 mm	118
1951	37.2 °C2 March 1951	17.5 °C29 December 1951	24.1 °C	2,157 mm	134
1950	37.0 °C7 January 1950	16.3 °C10 August 1950	24.0 °C	1,835 mm	128
1949	38.1 °C25 February 1949	17.3 °C25 December 1949	24.4 °C	1,649 mm	147
1948	35.5 °C25 January 1948	17.6 °C18 March 1948	24.1 °C	1,799 mm	108
1947	36.7 °C2 January 1947	17.4 °C7 December 1947	24.4 °C	1,710 mm	116
1946	38.7 °C14 February 1946	16.4 °C12 December 1946	24.5 °C	1,636 mm	129
1945	37.9 °C22 February 1945	16.7 °C4 December 1945	24.1 °C	1,621 mm	134
1944	38.4 °C2 March 1944	17.3 °C1 December 1944	25.0 °C	1,404 mm	156
1943	38.7 °C20 February 1943	18.0 °C7 July 1943	24.5 °C	1,557 mm	119
1942	38.1 °C8 February 1942	17.8 °C1 September 1942	24.2 °C	1,557 mm	122
1941	39.4 °C27 March 1941	17.0 °C5 December 1941	25.2 °C	1,290 mm	154
1940	35.9 °C31 December 1940	17.3 °C15 November 1940	24.0 °C	1,689 mm	104

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

31.2 °C

+1.3 °C

Hot days (≥ 30 °C)

219 d/yr

+69

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1034 mm

-714 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	35.2 °C	+2.0 °C	0 mm	-21 mm
Feb	36.6 °C	+2.9 °C	0 mm	-46 mm
Mar	34.4 °C	+2.2 °C	28 mm	-101 mm
Apr	30.9 °C	+0.8 °C	79 mm	-107 mm
May	30.3 °C	+1.2 °C	87 mm	-105 mm
Jun	29.5 °C	+1.5 °C	43 mm	-117 mm
Jul	28.2 °C	+0.7 °C	136 mm	-36 mm
Aug	28.0 °C	+0.3 °C	150 mm	-48 mm
Sep	29.3 °C	+1.2 °C	227 mm	+16 mm
Oct	29.0 °C	+0.8 °C	231 mm	-25 mm
Nov	31.2 °C	+1.9 °C	48 mm	-94 mm
Dec	32.2 °C	+0.8 °C	5 mm	-31 mm

The year's extremes

Hottest day

39.0 °C

11 Feb 2025

Coldest day

17.8 °C

23 Nov 2025

Wettest day

22.9 mm

15 Sep 2025

Windiest day

18.4 km/h

3 May 2025

Strongest gust

45.0 km/h

14 Apr 2025

Hottest feels-like

40.6 °C

17 Mar 2025

Coldest feels-like

16.6 °C

19 Dec 2025

Sunniest day

12.0 h

18 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 Yambio?

Yambio has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.8 °C and it receives 1,748 mm of precipitation per year.

What is the hottest day ever recorded in Yambio?

The hottest day measured in Yambio between 1940 and 2025 was 21 February 2005, reaching 41.6 °C.

What is the coldest day in Yambio?

The coldest day measured in Yambio between 1940 and 2025 was 28 December 1983, at 14.3 °C.

Does it snow in Yambio?

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

Has the climate of Yambio warmed?

Yes: Yambio warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Yambio?

The wettest day measured in Yambio between 1940 and 2025 was 2 February 1952, with 98 mm of rain in 24 hours.

What was the windiest day in Yambio?

The windiest day measured in Yambio between 1940 and 2025 was 15 March 2017, with winds reaching 24.4 km/h.

What is the warmest month in Yambio?

The warmest month in Yambio is February (27.4 °C on average); the coldest is July (23.2 °C).

How much does it rain in Yambio?

Yambio receives on average 1,748 mm of precipitation per year, spread over about 232 rainy days.

Is it sunny in Yambio?

Yambio gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Are there tropical nights in Yambio?

Yes: Yambio has on average 277 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Yambio?

In Yambio, between 1940 and 2025, the highest apparent temperature reached 43.3 °C on 16 March 1998, and the lowest was 11.3 °C on 5 February 1957.

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