Weather & climate · Colombo

Best Time to Visit Sri Lanka

January to February and June to August

The best time to visit Sri Lanka is January to February and June to August, when daytime highs in Colombo are around 28–30°C. March, September and December are also a good time to go. March is the warmest month (31°C by day), January the coldest (22°C at night), and November the wettest with about 305 mm of rain.

31°C

Warmest: March

22°C

Coldest nights: January

2001 mm

Rain per year

305 mm

Wettest: November

Sri Lanka weather by month

Jan29°C22°C76 mm
Feb30°C23°C71 mm
Mar31°C24°C115 mm
Apr30°C25°C226 mm
May29°C26°C224 mm
Jun28°C25°C143 mm
Jul28°C25°C99 mm
Aug28°C25°C113 mm
Sep28°C25°C162 mm
Oct28°C24°C292 mm
Nov28°C24°C305 mm
Dec28°C23°C175 mm

Best time Good Less ideal

Average high Average low Rain (mm per month)

Month	High	Low	Rain	Humidity	Cloud cover	Verdict
January	29°C	22°C	76 mm	80%	55%	Best time
February	30°C	23°C	71 mm	77%	51%	Best time
March	31°C	24°C	115 mm	76%	54%	Good
April	30°C	25°C	226 mm	81%	64%	Rainy
May	29°C	26°C	224 mm	86%	73%	Rainy
June	28°C	25°C	143 mm	87%	75%	Best time
July	28°C	25°C	99 mm	87%	75%	Best time
August	28°C	25°C	113 mm	86%	73%	Best time
September	28°C	25°C	162 mm	85%	73%	Good
October	28°C	24°C	292 mm	85%	74%	Rainy
November	28°C	24°C	305 mm	85%	77%	Rainy
December	28°C	23°C	175 mm	84%	69%	Good

Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around Colombo (6.92, 79.83). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in Sri Lanka have their own climate.

Frequently asked questions

When is the best time to visit Sri Lanka?

January to February and June to August. The best time to visit Sri Lanka is January to February and June to August, when daytime highs in Colombo are around 28–30°C. March, September and December are also a good time to go. March is the warmest month (31°C by day), January the coldest (22°C at night), and November the wettest with about 305 mm of rain.

What is the hottest month in Sri Lanka?

March, with average highs of 31°C in Colombo.

What is the coldest month in Sri Lanka?

January, when nights drop to about 22°C and days reach 29°C.

What is the rainiest month in Sri Lanka?

November with about 305 mm; February is the driest (71 mm).

When should I avoid visiting Sri Lanka?

April is the least comfortable month on average: 30°C by day and 226 mm of rain.

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