Weligama climate — normals and trends

Q: What is the climate of Weligama?

Weligama has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.2 °C and it receives 2,173 mm of precipitation per year.

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

The hottest day measured in Weligama between 1940 and 2025 was 11 March 2016, reaching 34.7 °C.

Q: What is the coldest day in Weligama?

The coldest day measured in Weligama between 1940 and 2025 was 13 January 1975, at 19.9 °C.

Q: Does it snow in Weligama?

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

Q: Has the climate of Weligama warmed?

Yes: Weligama warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Weligama?

The wettest day measured in Weligama between 1940 and 2025 was 14 November 1965, with 200 mm of rain in 24 hours.

Q: What was the windiest day in Weligama?

The windiest day measured in Weligama between 1940 and 2025 was 1 June 1991, with winds reaching 40.0 km/h.

Q: What is the warmest month in Weligama?

The warmest month in Weligama is April (27.0 °C on average); the coldest is January (25.6 °C).

Q: How much does it rain in Weligama?

Weligama receives on average 2,173 mm of precipitation per year, spread over about 290 rainy days.

Q: Is it sunny in Weligama?

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

Weligama (Sri Lanka) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.2 °C and it receives 2,173 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 April (27.0 °C on average) and the coldest is January (25.6 °C). Rainfall peaks in November.

Weligama averages 0 frost days, 59 hot days (≥ 30 °C) and 290 rainy days per year.

Weligama has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.7 °C (on 11 March 2016) and the coldest 19.9 °C (on 13 January 1975).

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

WeligamaSouthern Province

coords: 5.98°, 80.43°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthAprilColdest monthJanuaryWettest monthNovemberDriest monthFebruary

Mean daily temperature

26.2°C

Average daily high

28.8°C

Average daily low

24.3°C

Annual rainfall

2,173mm

Sunshine / day

10.5h

Mean relative humidity

85%

Average peak wind

17.6km/h

Seasonal range

1.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

59 d/yr

Rainy days (≥ 1 mm)

290 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.9 °C

Average feels-like low

27.9 °C

Average peak gust

36.4 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

20.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.80 · 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

34.7 °C

11 March 2016

Coldest day

19.9 °C

13 January 1975

Wettest day

200 mm

14 November 1965

Windiest day

40.0 km/h

1 June 1991

Strongest gust

81.7 km/h

18 May 1955

Hottest feels-like

41.3 °C

29 March 2024

Coldest feels-like

17.4 °C

13 January 2011

Sunniest day

12.3 h

17 May 1953

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.8 °C24 February 2025	22.7 °C4 February 2025	27.0 °C	2,356 mm	166
2024	34.0 °C2 March 2024	22.2 °C16 January 2024	27.3 °C	2,371 mm	217
2023	32.4 °C11 April 2023	21.6 °C12 January 2023	26.9 °C	3,020 mm	143
2022	31.8 °C24 April 2022	21.4 °C22 January 2022	26.6 °C	2,027 mm	96
2021	32.9 °C15 March 2021	22.4 °C27 January 2021	26.8 °C	2,046 mm	127
2020	34.7 °C11 February 2020	22.3 °C15 January 2020	27.2 °C	1,656 mm	183
2019	33.7 °C21 February 2019	21.8 °C19 January 2019	26.8 °C	2,404 mm	140
2018	32.1 °C24 February 2018	21.8 °C18 January 2018	26.6 °C	1,992 mm	111
2017	33.0 °C17 February 2017	21.0 °C7 January 2017	26.6 °C	1,989 mm	86
2016	34.7 °C11 March 2016	22.2 °C26 December 2016	27.2 °C	1,771 mm	144
2015	32.8 °C9 April 2015	21.6 °C19 February 2015	26.9 °C	2,366 mm	138
2014	34.5 °C26 March 2014	22.0 °C4 February 2014	26.7 °C	2,216 mm	122
2013	31.9 °C11 March 2013	21.6 °C17 January 2013	26.5 °C	1,858 mm	94
2012	32.6 °C3 February 2012	21.2 °C2 January 2012	26.5 °C	2,193 mm	91
2011	31.4 °C23 February 2011	20.5 °C13 January 2011	26.5 °C	2,231 mm	57
2010	33.6 °C22 February 2010	21.8 °C24 December 2010	26.7 °C	2,340 mm	115
2009	32.4 °C4 February 2009	21.3 °C15 January 2009	26.7 °C	2,110 mm	97
2008	31.3 °C17 February 2008	21.5 °C15 January 2008	26.5 °C	2,314 mm	59
2007	32.0 °C31 January 2007	21.0 °C23 January 2007	26.5 °C	1,994 mm	100
2006	32.1 °C6 February 2006	20.7 °C25 January 2006	26.5 °C	2,531 mm	62
2005	33.2 °C1 March 2005	21.3 °C27 December 2005	26.6 °C	1,945 mm	90
2004	32.2 °C9 March 2004	21.4 °C22 December 2004	26.5 °C	2,305 mm	82
2003	32.1 °C8 March 2003	21.9 °C2 January 2003	26.5 °C	2,195 mm	69
2002	32.4 °C23 February 2002	21.2 °C16 January 2002	26.5 °C	2,170 mm	75
2001	31.4 °C5 May 2001	21.7 °C12 February 2001	26.4 °C	1,837 mm	34
2000	31.2 °C15 November 2000	21.9 °C26 January 2000	26.1 °C	2,342 mm	21
1999	31.0 °C15 February 1999	21.9 °C31 January 1999	26.0 °C	2,227 mm	28
1998	34.3 °C4 March 1998	22.7 °C17 December 1998	27.0 °C	2,000 mm	127
1997	33.6 °C27 March 1997	21.5 °C3 February 1997	26.4 °C	2,247 mm	79
1996	32.2 °C24 March 1996	21.4 °C8 January 1996	26.2 °C	2,145 mm	46
1995	32.3 °C19 March 1995	21.7 °C13 February 1995	26.4 °C	2,036 mm	65
1994	31.4 °C12 April 1994	20.8 °C27 January 1994	26.2 °C	2,468 mm	49
1993	32.6 °C7 March 1993	20.8 °C9 February 1993	26.2 °C	2,158 mm	66
1992	33.3 °C22 March 1992	21.4 °C27 January 1992	26.2 °C	1,731 mm	85
1991	31.9 °C28 February 1991	20.9 °C18 February 1991	26.4 °C	1,972 mm	76
1990	32.2 °C7 February 1990	21.9 °C24 January 1990	26.4 °C	1,892 mm	62
1989	31.9 °C7 April 1989	20.7 °C12 February 1989	26.0 °C	1,951 mm	52
1988	31.8 °C22 March 1988	22.1 °C22 November 1988	26.5 °C	2,340 mm	62
1987	31.8 °C4 March 1987	22.2 °C10 February 1987	26.6 °C	1,950 mm	67
1986	31.1 °C27 February 1986	22.4 °C31 January 1986	26.2 °C	1,835 mm	44
1985	31.5 °C14 April 1985	21.9 °C21 January 1985	26.0 °C	2,245 mm	36
1984	30.9 °C9 April 1984	21.6 °C15 December 1984	26.0 °C	2,118 mm	23
1983	33.2 °C25 March 1983	21.2 °C4 January 1983	26.7 °C	1,574 mm	119
1982	32.3 °C21 February 1982	21.7 °C16 January 1982	26.2 °C	2,049 mm	75
1981	31.3 °C15 March 1981	21.5 °C11 January 1981	26.3 °C	1,551 mm	64
1980	32.6 °C3 March 1980	21.5 °C5 March 1980	26.5 °C	1,711 mm	92
1979	31.9 °C4 February 1979	22.0 °C14 March 1979	26.4 °C	2,081 mm	80
1978	31.8 °C24 February 1978	21.2 °C21 January 1978	26.0 °C	2,636 mm	54
1977	31.7 °C23 February 1977	21.0 °C18 January 1977	26.1 °C	2,108 mm	66
1976	31.5 °C16 March 1976	20.9 °C28 February 1976	25.9 °C	1,982 mm	38
1975	31.6 °C19 March 1975	19.9 °C13 January 1975	25.7 °C	2,398 mm	23
1974	31.1 °C22 March 1974	20.5 °C16 January 1974	25.7 °C	1,672 mm	31
1973	33.3 °C18 March 1973	21.4 °C17 January 1973	26.3 °C	1,940 mm	109
1972	32.1 °C16 March 1972	21.1 °C26 February 1972	26.1 °C	1,918 mm	52
1971	31.6 °C16 February 1971	20.5 °C13 February 1971	25.7 °C	2,129 mm	29
1970	31.6 °C20 March 1970	21.0 °C5 December 1970	26.1 °C	2,155 mm	46
1969	31.3 °C5 March 1969	21.7 °C3 January 1969	26.1 °C	2,417 mm	46
1968	33.1 °C8 March 1968	21.1 °C15 February 1968	25.8 °C	2,006 mm	34
1967	31.0 °C16 February 1967	21.1 °C13 February 1967	25.8 °C	2,665 mm	13
1966	31.1 °C9 March 1966	21.8 °C2 January 1966	25.9 °C	2,631 mm	17
1965	31.3 °C25 February 1965	21.2 °C11 January 1965	25.6 °C	3,124 mm	8
1964	31.5 °C13 March 1964	20.6 °C28 November 1964	25.8 °C	2,457 mm	30
1963	31.2 °C27 April 1963	21.7 °C17 February 1963	25.7 °C	2,701 mm	14
1962	30.7 °C2 March 1962	21.7 °C18 January 1962	25.8 °C	2,438 mm	12
1961	31.1 °C13 April 1961	22.0 °C17 December 1961	25.7 °C	2,165 mm	13
1960	30.4 °C26 March 1960	21.9 °C29 January 1960	25.7 °C	2,116 mm	4
1959	33.4 °C19 March 1959	22.6 °C2 March 1959	26.1 °C	1,952 mm	53
1958	32.6 °C7 March 1958	22.5 °C8 January 1958	26.1 °C	2,242 mm	26
1957	31.5 °C16 February 1957	21.5 °C20 January 1957	25.9 °C	2,156 mm	28
1956	31.0 °C24 February 1956	21.1 °C22 January 1956	25.4 °C	2,256 mm	13
1955	30.7 °C13 March 1955	21.2 °C19 December 1955	25.4 °C	2,538 mm	7
1954	31.0 °C1 March 1954	21.6 °C17 December 1954	25.5 °C	2,682 mm	13
1953	31.2 °C9 February 1953	21.9 °C31 January 1953	25.8 °C	1,861 mm	12
1952	32.3 °C27 March 1952	21.9 °C31 December 1952	25.9 °C	1,770 mm	22
1951	30.6 °C5 May 1951	21.0 °C4 January 1951	25.8 °C	2,196 mm	7
1950	30.6 °C5 March 1950	21.2 °C17 January 1950	25.6 °C	1,631 mm	6
1949	31.0 °C18 April 1949	22.2 °C17 December 1949	25.7 °C	1,916 mm	24
1948	30.9 °C2 March 1948	22.4 °C26 February 1948	25.7 °C	2,595 mm	13
1947	30.7 °C29 April 1947	22.0 °C16 January 1947	25.7 °C	2,379 mm	7
1946	33.5 °C13 March 1946	21.5 °C31 January 1946	25.6 °C	2,288 mm	19
1945	31.5 °C26 March 1945	20.7 °C26 January 1945	25.6 °C	2,219 mm	12
1944	31.5 °C27 February 1944	21.1 °C7 February 1944	25.5 °C	2,702 mm	15
1943	32.0 °C10 February 1943	21.6 °C20 January 1943	25.2 °C	2,132 mm	22
1942	29.8 °C26 February 1942	21.1 °C1 February 1942	25.3 °C	2,328 mm	0
1941	32.4 °C4 May 1941	21.1 °C15 December 1941	25.6 °C	2,325 mm	38
1940	30.5 °C3 March 1940	21.5 °C15 January 1940	25.4 °C	2,171 mm	4

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

29.8 °C

+1.0 °C

Hot days (≥ 30 °C)

166 d/yr

+107

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2356 mm

+183 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.8 °C	-0.1 °C	347 mm	+236 mm
Feb	31.7 °C	+2.0 °C	75 mm	-7 mm
Mar	30.5 °C	+0.5 °C	162 mm	+48 mm
Apr	30.4 °C	+0.7 °C	250 mm	+79 mm
May	30.2 °C	+1.2 °C	216 mm	-25 mm
Jun	29.7 °C	+1.3 °C	142 mm	-60 mm
Jul	29.3 °C	+1.2 °C	110 mm	-58 mm
Aug	29.2 °C	+1.2 °C	75 mm	-103 mm
Sep	29.7 °C	+1.6 °C	125 mm	-73 mm
Oct	29.6 °C	+1.4 °C	250 mm	+10 mm
Nov	28.9 °C	+0.5 °C	493 mm	+228 mm
Dec	29.4 °C	+0.9 °C	111 mm	-92 mm

The year's extremes

Hottest day

33.8 °C

24 Feb 2025

Coldest day

22.7 °C

4 Feb 2025

Wettest day

112.2 mm

27 Nov 2025

Windiest day

38.9 km/h

27 Nov 2025

Strongest gust

70.6 km/h

28 Nov 2025

Hottest feels-like

40.0 °C

25 Feb 2025

Coldest feels-like

22.6 °C

27 Nov 2025

Sunniest day

12.1 h

7 Jun 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 Weligama?

Weligama has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.2 °C and it receives 2,173 mm of precipitation per year.

What is the hottest day ever recorded in Weligama?

The hottest day measured in Weligama between 1940 and 2025 was 11 March 2016, reaching 34.7 °C.

What is the coldest day in Weligama?

The coldest day measured in Weligama between 1940 and 2025 was 13 January 1975, at 19.9 °C.

Does it snow in Weligama?

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

Has the climate of Weligama warmed?

Yes: Weligama warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Weligama?

The wettest day measured in Weligama between 1940 and 2025 was 14 November 1965, with 200 mm of rain in 24 hours.

What was the windiest day in Weligama?

The windiest day measured in Weligama between 1940 and 2025 was 1 June 1991, with winds reaching 40.0 km/h.

What is the warmest month in Weligama?

The warmest month in Weligama is April (27.0 °C on average); the coldest is January (25.6 °C).

How much does it rain in Weligama?

Weligama receives on average 2,173 mm of precipitation per year, spread over about 290 rainy days.

Is it sunny in Weligama?

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

Are there tropical nights in Weligama?

Yes: Weligama has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Weligama?

In Weligama, between 1940 and 2025, the highest apparent temperature reached 41.3 °C on 29 March 2024, and the lowest was 17.4 °C on 13 January 2011.

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