Batticaloa climate — normals and trends

Q: What is the climate of Batticaloa?

Batticaloa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.5 °C and it receives 1,188 mm of precipitation per year.

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

The hottest day measured in Batticaloa between 1940 and 2025 was 10 June 2012, reaching 34.6 °C.

Q: What is the coldest day in Batticaloa?

The coldest day measured in Batticaloa between 1940 and 2025 was 19 February 1961, at 21.1 °C.

Q: Does it snow in Batticaloa?

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

Q: Has the climate of Batticaloa warmed?

Yes: Batticaloa warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Batticaloa?

The wettest day measured in Batticaloa between 1940 and 2025 was 7 January 2013, with 196 mm of rain in 24 hours.

Q: What was the windiest day in Batticaloa?

The windiest day measured in Batticaloa between 1940 and 2025 was 24 November 1978, with winds reaching 57.8 km/h.

Q: What is the warmest month in Batticaloa?

The warmest month in Batticaloa is June (29.3 °C on average); the coldest is January (25.6 °C).

Q: How much does it rain in Batticaloa?

Batticaloa receives on average 1,188 mm of precipitation per year, spread over about 156 rainy days.

Q: Is it sunny in Batticaloa?

Batticaloa gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Batticaloa (Sri Lanka) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.5 °C and it receives 1,188 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 June (29.3 °C on average) and the coldest is January (25.6 °C). Rainfall peaks in December.

Batticaloa averages 0 frost days, 141 hot days (≥ 30 °C) and 156 rainy days per year.

Batticaloa has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.6 °C (on 10 June 2012) and the coldest 21.1 °C (on 19 February 1961).

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

BatticaloaEastern Province

coords: 7.71°, 81.69°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthJuneColdest monthJanuaryWettest monthDecemberDriest monthJune

Mean daily temperature

27.5°C

Average daily high

29.1°C

Average daily low

26.2°C

Annual rainfall

1,188mm

Sunshine / day

10.6h

Mean relative humidity

77%

Average peak wind

17.9km/h

Seasonal range

3.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

141 d/yr

Rainy days (≥ 1 mm)

156 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.5 °C

Average feels-like low

29.8 °C

Average peak gust

28.9 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

20.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °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

34.6 °C

10 June 2012

Coldest day

21.1 °C

19 February 1961

Wettest day

196 mm

7 January 2013

Windiest day

57.8 km/h

24 November 1978

Strongest gust

81.4 km/h

23 November 1978

Hottest feels-like

41.9 °C

20 May 1981

Coldest feels-like

16.7 °C

8 December 2022

Sunniest day

12.4 h

7 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.0 °C28 May 2025	24.0 °C24 December 2025	28.2 °C	1,543 mm	181
2024	34.1 °C19 July 2024	24.4 °C29 November 2024	28.4 °C	1,529 mm	181
2023	33.8 °C22 July 2023	24.0 °C11 January 2023	28.0 °C	1,717 mm	160
2022	33.4 °C13 July 2022	21.5 °C8 December 2022	27.7 °C	1,385 mm	140
2021	33.6 °C17 June 2021	24.2 °C11 February 2021	27.9 °C	1,221 mm	161
2020	33.4 °C11 June 2020	24.0 °C16 January 2020	28.1 °C	1,045 mm	175
2019	33.7 °C22 June 2019	24.2 °C13 January 2019	28.0 °C	1,245 mm	162
2018	33.2 °C13 July 2018	23.9 °C7 January 2018	27.6 °C	1,292 mm	144
2017	33.6 °C29 May 2017	23.1 °C11 January 2017	27.9 °C	1,213 mm	164
2016	34.0 °C30 June 2016	21.4 °C1 December 2016	28.4 °C	831 mm	192
2015	33.7 °C16 July 2015	23.4 °C19 March 2015	27.9 °C	1,593 mm	152
2014	34.1 °C16 June 2014	23.2 °C5 January 2014	27.8 °C	1,868 mm	152
2013	33.3 °C10 June 2013	23.6 °C16 November 2013	27.9 °C	1,482 mm	183
2012	34.6 °C10 June 2012	23.3 °C1 January 2012	27.8 °C	1,305 mm	164
2011	33.7 °C17 June 2011	22.8 °C13 January 2011	27.6 °C	2,600 mm	155
2010	33.4 °C26 July 2010	23.0 °C28 December 2010	28.0 °C	1,584 mm	189
2009	33.4 °C19 July 2009	23.7 °C13 February 2009	27.9 °C	1,286 mm	173
2008	32.9 °C28 July 2008	24.0 °C24 February 2008	27.5 °C	1,606 mm	137
2007	32.9 °C6 July 2007	23.2 °C26 December 2007	27.6 °C	1,234 mm	152
2006	33.9 °C30 June 2006	22.3 °C24 January 2006	27.7 °C	1,149 mm	149
2005	34.2 °C16 June 2005	23.7 °C31 December 2005	28.1 °C	1,176 mm	169
2004	34.3 °C19 May 2004	23.7 °C24 December 2004	27.7 °C	1,451 mm	157
2003	33.8 °C22 June 2003	23.8 °C8 December 2003	27.9 °C	1,238 mm	172
2002	33.7 °C13 July 2002	23.7 °C15 January 2002	27.8 °C	1,125 mm	160
2001	34.5 °C29 May 2001	22.2 °C11 February 2001	27.9 °C	1,214 mm	173
2000	33.4 °C4 July 2000	23.6 °C26 December 2000	27.6 °C	1,583 mm	144
1999	33.9 °C24 July 1999	22.8 °C11 December 1999	27.6 °C	1,267 mm	154
1998	34.3 °C4 July 1998	24.0 °C21 December 1998	28.3 °C	870 mm	190
1997	33.8 °C5 August 1997	22.9 °C11 February 1997	27.6 °C	805 mm	138
1996	33.3 °C29 July 1996	23.2 °C25 December 1996	27.5 °C	965 mm	138
1995	34.0 °C2 July 1995	23.8 °C31 December 1995	27.7 °C	1,089 mm	139
1994	34.1 °C8 June 1994	24.0 °C5 January 1994	27.5 °C	1,316 mm	144
1993	34.1 °C9 June 1993	22.3 °C9 February 1993	27.6 °C	1,123 mm	155
1992	34.1 °C17 June 1992	22.5 °C3 March 1992	27.5 °C	921 mm	155
1991	33.8 °C30 July 1991	23.0 °C12 February 1991	27.8 °C	940 mm	167
1990	34.2 °C28 May 1990	22.5 °C20 January 1990	27.8 °C	982 mm	154
1989	33.3 °C30 May 1989	22.6 °C5 February 1989	27.5 °C	796 mm	146
1988	34.3 °C20 May 1988	22.7 °C8 February 1988	27.8 °C	980 mm	147
1987	34.3 °C8 June 1987	23.2 °C2 February 1987	27.9 °C	1,012 mm	159
1986	33.7 °C25 June 1986	23.4 °C1 February 1986	27.6 °C	1,091 mm	150
1985	34.5 °C28 May 1985	23.7 °C8 January 1985	27.6 °C	1,070 mm	160
1984	33.4 °C6 June 1984	23.4 °C30 November 1984	27.4 °C	1,920 mm	140
1983	33.7 °C27 June 1983	23.8 °C4 January 1983	27.9 °C	867 mm	157
1982	33.6 °C8 September 1982	23.7 °C7 February 1982	27.6 °C	983 mm	152
1981	33.8 °C23 June 1981	22.6 °C9 January 1981	27.4 °C	1,054 mm	130
1980	34.5 °C24 June 1980	21.7 °C30 January 1980	27.7 °C	863 mm	161
1979	33.9 °C22 June 1979	23.8 °C16 March 1979	27.7 °C	1,040 mm	143
1978	33.7 °C14 August 1978	23.8 °C6 January 1978	27.5 °C	1,363 mm	162
1977	33.8 °C18 June 1977	22.3 °C29 January 1977	27.3 °C	1,342 mm	128
1976	33.5 °C28 July 1976	22.4 °C2 March 1976	27.3 °C	978 mm	150
1975	32.9 °C13 June 1975	21.8 °C10 January 1975	27.1 °C	995 mm	132
1974	33.2 °C17 August 1974	22.4 °C7 January 1974	27.3 °C	767 mm	141
1973	33.5 °C13 June 1973	23.3 °C16 January 1973	27.7 °C	1,039 mm	156
1972	33.1 °C27 July 1972	21.7 °C6 February 1972	27.3 °C	695 mm	129
1971	33.1 °C1 June 1971	23.4 °C25 December 1971	27.2 °C	1,492 mm	133
1970	33.5 °C6 July 1970	23.4 °C3 December 1970	27.5 °C	1,228 mm	139
1969	33.3 °C17 June 1969	23.2 °C27 January 1969	27.6 °C	1,394 mm	150
1968	33.5 °C11 July 1968	21.7 °C15 February 1968	27.3 °C	884 mm	132
1967	33.0 °C28 May 1967	22.7 °C10 February 1967	27.1 °C	1,406 mm	109
1966	33.4 °C28 May 1966	23.0 °C2 January 1966	27.3 °C	1,105 mm	103
1965	32.7 °C14 July 1965	23.4 °C4 January 1965	26.9 °C	1,487 mm	77
1964	33.0 °C4 July 1964	23.4 °C27 December 1964	27.3 °C	1,349 mm	133
1963	32.7 °C25 June 1963	23.0 °C18 January 1963	27.1 °C	1,766 mm	129
1962	32.4 °C14 July 1962	23.5 °C1 March 1962	27.2 °C	1,359 mm	117
1961	32.9 °C27 May 1961	21.1 °C19 February 1961	27.1 °C	1,487 mm	101
1960	33.4 °C7 June 1960	22.8 °C29 November 1960	27.3 °C	1,511 mm	117
1959	32.8 °C21 July 1959	23.3 °C4 March 1959	27.4 °C	1,076 mm	135
1958	33.0 °C24 June 1958	23.9 °C2 December 1958	27.5 °C	1,030 mm	133
1957	32.9 °C16 July 1957	21.2 °C7 February 1957	27.3 °C	1,129 mm	142
1956	32.3 °C15 May 1956	22.9 °C24 January 1956	26.9 °C	941 mm	111
1955	32.1 °C14 May 1955	22.9 °C20 December 1955	26.9 °C	1,339 mm	78
1954	32.1 °C16 June 1954	23.6 °C24 December 1954	26.9 °C	1,088 mm	76
1953	33.2 °C31 May 1953	22.8 °C1 February 1953	27.4 °C	707 mm	114
1952	33.1 °C11 June 1952	23.3 °C18 February 1952	27.6 °C	392 mm	159
1951	32.5 °C30 April 1951	23.1 °C4 February 1951	27.5 °C	886 mm	136
1950	33.6 °C24 May 1950	22.7 °C3 January 1950	27.3 °C	368 mm	86
1949	34.1 °C23 April 1949	23.3 °C29 December 1949	27.1 °C	783 mm	78
1948	32.5 °C7 July 1948	23.7 °C3 January 1948	27.3 °C	1,645 mm	136
1947	32.2 °C15 July 1947	23.4 °C16 December 1947	27.1 °C	1,270 mm	106
1946	32.5 °C12 May 1946	22.1 °C16 January 1946	27.2 °C	1,221 mm	131
1945	33.5 °C15 June 1945	22.5 °C5 January 1945	27.3 °C	959 mm	149
1944	32.1 °C20 June 1944	23.3 °C3 January 1944	27.1 °C	1,115 mm	98
1943	32.2 °C23 May 1943	23.1 °C30 January 1943	26.8 °C	1,038 mm	100
1942	32.1 °C12 July 1942	23.4 °C10 January 1942	26.8 °C	1,232 mm	86
1941	33.7 °C23 May 1941	22.9 °C30 January 1941	27.4 °C	888 mm	135
1940	33.0 °C23 August 1940	23.3 °C19 January 1940	27.0 °C	967 mm	118

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

+0.7 °C

Hot days (≥ 30 °C)

181 d/yr

+40

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1543 mm

+355 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	26.9 °C	+0.3 °C	332 mm	+177 mm
Feb	28.1 °C	+0.9 °C	116 mm	+34 mm
Mar	28.9 °C	+0.5 °C	95 mm	+37 mm
Apr	30.2 °C	+0.4 °C	78 mm	+23 mm
May	31.9 °C	+1.0 °C	20 mm	-28 mm
Jun	31.9 °C	+0.4 °C	8 mm	-13 mm
Jul	32.1 °C	+1.0 °C	4 mm	-24 mm
Aug	30.7 °C	0.0 °C	32 mm	-1 mm
Sep	31.2 °C	+1.1 °C	21 mm	-30 mm
Oct	29.7 °C	+0.8 °C	97 mm	-40 mm
Nov	28.5 °C	+0.8 °C	561 mm	+312 mm
Dec	27.1 °C	+0.3 °C	180 mm	-93 mm

The year's extremes

Hottest day

34.0 °C

28 May 2025

Coldest day

24.0 °C

24 Dec 2025

Wettest day

107.7 mm

27 Nov 2025

Windiest day

52.4 km/h

26 Nov 2025

Strongest gust

73.8 km/h

27 Nov 2025

Hottest feels-like

40.3 °C

13 Jul 2025

Coldest feels-like

24.1 °C

27 Nov 2025

Sunniest day

12.4 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 Batticaloa?

Batticaloa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.5 °C and it receives 1,188 mm of precipitation per year.

What is the hottest day ever recorded in Batticaloa?

The hottest day measured in Batticaloa between 1940 and 2025 was 10 June 2012, reaching 34.6 °C.

What is the coldest day in Batticaloa?

The coldest day measured in Batticaloa between 1940 and 2025 was 19 February 1961, at 21.1 °C.

Does it snow in Batticaloa?

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

Has the climate of Batticaloa warmed?

Yes: Batticaloa warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Batticaloa?

The wettest day measured in Batticaloa between 1940 and 2025 was 7 January 2013, with 196 mm of rain in 24 hours.

What was the windiest day in Batticaloa?

The windiest day measured in Batticaloa between 1940 and 2025 was 24 November 1978, with winds reaching 57.8 km/h.

What is the warmest month in Batticaloa?

The warmest month in Batticaloa is June (29.3 °C on average); the coldest is January (25.6 °C).

How much does it rain in Batticaloa?

Batticaloa receives on average 1,188 mm of precipitation per year, spread over about 156 rainy days.

Is it sunny in Batticaloa?

Batticaloa gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Are there tropical nights in Batticaloa?

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

What was the most extreme apparent temperature in Batticaloa?

In Batticaloa, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 20 May 1981, and the lowest was 16.7 °C on 8 December 2022.

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