Butaleja climate — normals and trends

Q: What is the climate of Butaleja?

Butaleja has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 22.4 °C and it receives 1,599 mm of precipitation per year.

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

The hottest day measured in Butaleja between 1940 and 2025 was 25 February 2005, reaching 38.9 °C.

Q: What is the coldest day in Butaleja?

The coldest day measured in Butaleja between 1940 and 2025 was 24 December 1966, at 10.6 °C.

Q: Does it snow in Butaleja?

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

Q: Has the climate of Butaleja warmed?

Yes: Butaleja warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Butaleja?

The wettest day measured in Butaleja between 1940 and 2025 was 17 April 2016, with 198 mm of rain in 24 hours.

Q: What was the windiest day in Butaleja?

The windiest day measured in Butaleja between 1940 and 2025 was 30 January 1945, with winds reaching 17.7 km/h.

Q: What is the warmest month in Butaleja?

The warmest month in Butaleja is February (23.6 °C on average); the coldest is July (21.6 °C).

Q: How much does it rain in Butaleja?

Butaleja receives on average 1,599 mm of precipitation per year, spread over about 204 rainy days.

Q: Is it sunny in Butaleja?

Butaleja gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Butaleja (Uganda) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 22.4 °C and it receives 1,599 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 (23.6 °C on average) and the coldest is July (21.6 °C). Rainfall peaks in April.

Butaleja averages 0 frost days, 71 hot days (≥ 30 °C) and 204 rainy days per year.

Butaleja has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.9 °C (on 25 February 2005) and the coldest 10.6 °C (on 24 December 1966).

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

ButalejaEastern Region

coords: 0.91°, 33.95°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthFebruaryColdest monthJulyWettest monthAprilDriest monthJanuary

Mean daily temperature

22.4°C

Average daily high

28.1°C

Average daily low

17.7°C

Annual rainfall

1,599mm

Sunshine / day

9.9h

Mean relative humidity

75%

Average peak wind

8.1km/h

Seasonal range

2.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

71 d/yr

Rainy days (≥ 1 mm)

204 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.4 °C

Average feels-like low

19.0 °C

Average peak gust

22.2 km/h

Tropical nights (≥ 20 °C)

14 d/yr

Solar radiation

18.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.4 °C

since 1940

+0.3 °C per decade · r² = 0.66 · 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

38.9 °C

25 February 2005

Coldest day

10.6 °C

24 December 1966

Wettest day

198 mm

17 April 2016

Windiest day

17.7 km/h

30 January 1945

Strongest gust

43.6 km/h

18 December 2004

Hottest feels-like

40.4 °C

25 February 2005

Coldest feels-like

9.7 °C

26 July 1947

Sunniest day

12.0 h

7 February 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	36.1 °C7 March 2025	15.4 °C23 November 2025	23.7 °C	1,140 mm	145
2024	35.1 °C19 March 2024	14.7 °C29 December 2024	24.0 °C	1,263 mm	151
2023	36.8 °C8 March 2023	14.5 °C7 January 2023	23.6 °C	1,834 mm	124
2022	36.7 °C6 March 2022	15.5 °C3 December 2022	23.4 °C	1,342 mm	98
2021	34.7 °C13 March 2021	15.2 °C1 February 2021	23.2 °C	1,127 mm	102
2020	32.4 °C21 January 2020	15.1 °C15 December 2020	22.7 °C	1,870 mm	31
2019	37.0 °C24 March 2019	15.4 °C19 December 2019	23.6 °C	1,476 mm	111
2018	35.7 °C3 February 2018	15.2 °C7 July 2018	23.4 °C	1,367 mm	124
2017	36.1 °C9 February 2017	15.0 °C13 January 2017	24.1 °C	938 mm	198
2016	35.4 °C16 March 2016	15.5 °C6 December 2016	23.9 °C	938 mm	163
2015	36.9 °C11 March 2015	14.0 °C3 January 2015	23.3 °C	1,519 mm	104
2014	36.8 °C23 February 2014	15.4 °C13 February 2014	23.6 °C	971 mm	149
2013	36.3 °C1 March 2013	15.6 °C4 August 2013	23.3 °C	1,074 mm	112
2012	36.2 °C30 March 2012	12.7 °C4 January 2012	23.1 °C	1,145 mm	111
2011	36.0 °C26 February 2011	13.1 °C27 January 2011	23.2 °C	1,313 mm	126
2010	35.5 °C3 February 2010	15.0 °C29 January 2010	23.0 °C	1,490 mm	81
2009	35.4 °C10 March 2009	12.8 °C11 January 2009	23.4 °C	1,118 mm	147
2008	35.5 °C3 March 2008	15.1 °C25 July 2008	22.9 °C	1,231 mm	109
2007	34.1 °C8 March 2007	15.1 °C18 December 2007	23.0 °C	966 mm	100
2006	36.8 °C27 January 2006	15.4 °C5 September 2006	23.1 °C	1,543 mm	105
2005	38.9 °C25 February 2005	13.9 °C4 January 2005	24.0 °C	879 mm	196
2004	36.0 °C14 February 2004	15.4 °C28 January 2004	23.4 °C	1,040 mm	131
2003	35.5 °C6 March 2003	14.0 °C4 February 2003	23.3 °C	987 mm	129
2002	35.8 °C27 February 2002	15.3 °C1 June 2002	23.2 °C	1,358 mm	111
2001	35.5 °C3 March 2001	15.4 °C4 March 2001	22.7 °C	1,045 mm	85
2000	35.2 °C7 March 2000	14.1 °C27 January 2000	23.2 °C	961 mm	137
1999	35.0 °C6 February 1999	14.7 °C4 February 1999	22.4 °C	1,424 mm	59
1998	33.1 °C13 March 1998	15.0 °C9 December 1998	23.0 °C	1,393 mm	85
1997	36.3 °C13 March 1997	16.0 °C25 May 1997	23.2 °C	2,204 mm	116
1996	34.5 °C11 March 1996	15.7 °C12 October 1996	22.9 °C	1,317 mm	93
1995	33.4 °C21 January 1995	14.1 °C20 January 1995	23.0 °C	1,402 mm	88
1994	34.8 °C21 January 1994	15.3 °C4 July 1994	22.9 °C	1,725 mm	92
1993	33.6 °C30 December 1993	15.0 °C5 February 1993	22.9 °C	1,057 mm	90
1992	34.8 °C24 February 1992	15.1 °C27 November 1992	22.7 °C	1,201 mm	83
1991	32.4 °C21 March 1991	14.9 °C28 November 1991	22.2 °C	1,805 mm	46
1990	31.7 °C29 January 1990	13.3 °C9 January 1990	22.2 °C	1,586 mm	25
1989	34.6 °C3 March 1989	14.0 °C20 February 1989	22.0 °C	1,589 mm	36
1988	36.1 °C1 March 1988	13.6 °C5 December 1988	22.4 °C	1,584 mm	60
1987	35.0 °C30 December 1987	14.2 °C28 December 1987	22.7 °C	1,607 mm	63
1986	33.4 °C26 January 1986	14.0 °C4 August 1986	21.9 °C	2,270 mm	35
1985	34.5 °C16 March 1985	13.0 °C15 January 1985	21.8 °C	1,944 mm	38
1984	35.8 °C21 February 1984	12.9 °C19 December 1984	22.2 °C	1,465 mm	74
1983	34.1 °C27 February 1983	14.0 °C5 January 1983	22.4 °C	1,347 mm	54
1982	36.7 °C26 March 1982	13.8 °C30 December 1982	22.3 °C	1,979 mm	75
1981	36.0 °C1 March 1981	14.2 °C14 June 1981	22.4 °C	1,413 mm	72
1980	35.0 °C26 February 1980	14.4 °C11 January 1980	22.3 °C	1,374 mm	57
1979	32.6 °C12 October 1979	14.0 °C3 March 1979	22.0 °C	2,134 mm	46
1978	36.4 °C7 February 1978	13.2 °C5 February 1978	22.0 °C	2,136 mm	36
1977	35.4 °C16 February 1977	13.4 °C30 September 1977	22.2 °C	1,619 mm	62
1976	34.2 °C28 December 1976	12.0 °C16 January 1976	21.6 °C	1,740 mm	41
1975	34.1 °C19 February 1975	13.4 °C29 November 1975	21.6 °C	2,238 mm	47
1974	34.6 °C16 March 1974	13.9 °C30 July 1974	21.7 °C	1,792 mm	45
1973	33.4 °C26 March 1973	13.8 °C11 December 1973	22.1 °C	1,664 mm	73
1972	32.6 °C31 March 1972	14.1 °C2 January 1972	21.5 °C	2,670 mm	22
1971	34.4 °C7 March 1971	13.8 °C10 July 1971	21.5 °C	1,828 mm	52
1970	32.9 °C28 February 1970	13.6 °C8 December 1970	21.6 °C	2,174 mm	19
1969	31.4 °C14 December 1969	14.0 °C3 January 1969	21.8 °C	1,381 mm	27
1968	31.7 °C21 January 1968	12.6 °C14 January 1968	21.4 °C	2,333 mm	21
1967	34.4 °C10 March 1967	12.4 °C9 December 1967	21.5 °C	2,148 mm	47
1966	31.3 °C20 January 1966	10.6 °C24 December 1966	21.8 °C	1,866 mm	22
1965	31.7 °C11 March 1965	12.7 °C18 January 1965	21.7 °C	1,709 mm	22
1964	30.8 °C31 January 1964	13.3 °C9 December 1964	21.3 °C	1,811 mm	6
1963	31.8 °C14 September 1963	13.1 °C17 June 1963	21.1 °C	2,460 mm	5
1962	31.3 °C4 February 1962	13.4 °C2 February 1962	20.8 °C	2,374 mm	11
1961	35.0 °C21 January 1961	14.0 °C27 December 1961	22.0 °C	2,413 mm	54
1960	34.2 °C30 December 1960	14.2 °C28 January 1960	22.0 °C	1,986 mm	38
1959	34.6 °C17 March 1959	13.7 °C11 July 1959	22.1 °C	2,051 mm	50
1958	35.1 °C5 March 1958	14.0 °C28 June 1958	22.3 °C	2,029 mm	78
1957	32.2 °C24 September 1957	13.0 °C7 February 1957	22.0 °C	2,386 mm	43
1956	33.0 °C13 March 1956	13.8 °C27 July 1956	21.1 °C	1,543 mm	18
1955	31.6 °C3 March 1955	14.4 °C15 August 1955	21.1 °C	1,493 mm	10
1954	30.9 °C7 February 1954	13.0 °C4 July 1954	21.4 °C	1,113 mm	9
1953	29.6 °C29 August 1953	13.2 °C13 August 1953	20.8 °C	4,908 mm	0
1952	29.1 °C25 January 1952	14.4 °C23 January 1952	21.0 °C	2,248 mm	0
1951	30.9 °C1 March 1951	14.0 °C21 January 1951	21.0 °C	2,922 mm	3
1950	31.7 °C1 March 1950	12.9 °C19 July 1950	20.8 °C	1,735 mm	16
1949	31.2 °C5 March 1949	11.9 °C31 July 1949	21.3 °C	1,417 mm	9
1948	30.1 °C25 January 1948	13.1 °C3 January 1948	21.4 °C	1,614 mm	1
1947	30.5 °C28 October 1947	11.0 °C26 July 1947	21.3 °C	1,843 mm	6
1946	35.7 °C26 February 1946	14.1 °C23 December 1946	22.5 °C	916 mm	95
1945	34.6 °C23 February 1945	14.3 °C9 June 1945	22.3 °C	894 mm	91
1944	33.8 °C16 April 1944	13.0 °C9 January 1944	22.7 °C	733 mm	130
1943	34.6 °C19 February 1943	13.2 °C14 January 1943	22.9 °C	490 mm	125
1942	34.3 °C8 February 1942	13.2 °C8 February 1942	22.2 °C	798 mm	104
1941	34.5 °C26 March 1941	13.0 °C10 December 1941	22.1 °C	906 mm	73
1940	30.0 °C20 January 1940	12.6 °C28 December 1940	20.9 °C	1,364 mm	1

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

29.5 °C

+1.4 °C

Hot days (≥ 30 °C)

145 d/yr

+74

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1140 mm

-459 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.1 °C	+0.7 °C	10 mm	-48 mm
Feb	33.1 °C	+2.8 °C	4 mm	-67 mm
Mar	31.2 °C	+1.8 °C	219 mm	+46 mm
Apr	28.6 °C	+0.9 °C	228 mm	-1 mm
May	28.5 °C	+1.4 °C	172 mm	-57 mm
Jun	28.0 °C	+0.9 °C	42 mm	-82 mm
Jul	27.8 °C	+0.8 °C	83 mm	+1 mm
Aug	27.9 °C	+0.4 °C	79 mm	-13 mm
Sep	30.6 °C	+2.5 °C	69 mm	-34 mm
Oct	29.5 °C	+1.5 °C	119 mm	-13 mm
Nov	29.2 °C	+1.8 °C	57 mm	-132 mm
Dec	30.1 °C	+2.0 °C	59 mm	-59 mm

The year's extremes

Hottest day

36.1 °C

7 Mar 2025

Coldest day

15.4 °C

23 Nov 2025

Wettest day

123.2 mm

20 Mar 2025

Windiest day

15.6 km/h

17 Mar 2025

Strongest gust

38.9 km/h

16 Mar 2025

Hottest feels-like

37.9 °C

6 Mar 2025

Coldest feels-like

14.7 °C

26 Feb 2025

Sunniest day

12.0 h

5 Feb 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 Butaleja?

Butaleja has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 22.4 °C and it receives 1,599 mm of precipitation per year.

What is the hottest day ever recorded in Butaleja?

The hottest day measured in Butaleja between 1940 and 2025 was 25 February 2005, reaching 38.9 °C.

What is the coldest day in Butaleja?

The coldest day measured in Butaleja between 1940 and 2025 was 24 December 1966, at 10.6 °C.

Does it snow in Butaleja?

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

Has the climate of Butaleja warmed?

Yes: Butaleja warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Butaleja?

The wettest day measured in Butaleja between 1940 and 2025 was 17 April 2016, with 198 mm of rain in 24 hours.

What was the windiest day in Butaleja?

The windiest day measured in Butaleja between 1940 and 2025 was 30 January 1945, with winds reaching 17.7 km/h.

What is the warmest month in Butaleja?

The warmest month in Butaleja is February (23.6 °C on average); the coldest is July (21.6 °C).

How much does it rain in Butaleja?

Butaleja receives on average 1,599 mm of precipitation per year, spread over about 204 rainy days.

Is it sunny in Butaleja?

Butaleja gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Are there tropical nights in Butaleja?

Yes: Butaleja has on average 14 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Butaleja?

In Butaleja, between 1940 and 2025, the highest apparent temperature reached 40.4 °C on 25 February 2005, and the lowest was 9.7 °C on 26 July 1947.

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