Sri Lanka weather by month

Check out Sri Lanka weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °C
31°C maximum daytime temperature in January in Colombo31
31°C maximum daytime temperature in February in Colombo31
32°C maximum daytime temperature in March in Colombo32
32°C maximum daytime temperature in April in Colombo32
31°C maximum daytime temperature in May in Colombo31
30°C maximum daytime temperature in June in Colombo30
30°C maximum daytime temperature in July in Colombo30
30°C maximum daytime temperature in August in Colombo30
30°C maximum daytime temperature in September in Colombo30
30°C maximum daytime temperature in October in Colombo30
30°C maximum daytime temperature in November in Colombo30
30°C maximum daytime temperature in December in Colombo30
Hours of sunshine (daily)
Days with some rainfall
5 days with some rainfall in January in Colombo5
5 days with some rainfall in February in Colombo5
9 days with some rainfall in March in Colombo9
14 days with some rainfall in April in Colombo14
14 days with some rainfall in May in Colombo14
15 days with some rainfall in June in Colombo15
11 days with some rainfall in July in Colombo11
11 days with some rainfall in August in Colombo11
14 days with some rainfall in September in Colombo14
16 days with some rainfall in October in Colombo16
15 days with some rainfall in November in Colombo15
10 days with some rainfall in December in Colombo10
Sea temperature °C
28°C sea temperature in January in Colombo28
28°C sea temperature in February in Colombo28
29°C sea temperature in March in Colombo29
30°C sea temperature in April in Colombo30
29°C sea temperature in May in Colombo29
28°C sea temperature in June in Colombo28
27°C sea temperature in July in Colombo27
27°C sea temperature in August in Colombo27
28°C sea temperature in September in Colombo28
28°C sea temperature in October in Colombo28
28°C sea temperature in November in Colombo28
28°C sea temperature in December in Colombo28

More about Sri Lanka

Sri Lanka by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Sri Lanka (Colombo) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Sri Lanka destinations

Below are average maximum temperatures at popular countries, regions and places in Sri Lanka for next month - August. Select a destination to see the climate guide for all months of the year.

All Sri Lanka destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Sri Lanka cyclone season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
0
0
1.4%
1.8%
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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  • Book online with TUI & save up to 7% on holidays
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More about Sri Lanka

Compare Sri Lanka with the UK

Below the Sri Lanka chart shows average maximum daytime temperature for Sri Lanka (Colombo) and the UK (London).

Maximum daytime temperature (°C)

Sri Lanka (Colombo)
UK (London)
31
7
31
7
32
10
32
13
31
17
30
20
30
22
30
22
30
19
30
15
30
10
30
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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