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Beach town in Southern Province, Sri Lanka

Tangalle weather by month and the best time to visit

Updated October 2026Sources
Dec–AprBest time to visit

When to go to Tangalle

Dec–Mar is dry with calmer seas and the busiest season. May–Sep southwest monsoon brings rough surf and red flags; Oct–Nov has storms.

Tangalle weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
20°25°30°35°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January29°C84°F24°C76°F95 mm79%Pleasant
February29°C85°F25°C76°F79 mm78%Pleasant
March30°C86°F26°C78°F107 mm78%Pleasant
April30°C86°F27°C80°F182 mm81%Rainy
May29°C85°F27°C80°F194 mm84%Rainy
June29°C84°F26°C80°F106 mm85%Pleasant
July28°C83°F26°C79°F89 mm85%Pleasant
August28°C83°F26°C78°F115 mm84%Pleasant
September29°C83°F26°C79°F161 mm83%Rainy
October28°C83°F26°C78°F231 mm84%Rainy
November28°C83°F26°C78°F285 mm83%Rainy
December28°C83°F25°C77°F193 mm82%Rainy

Best months across Sri Lanka

PlaceBest monthsWarmest month
EllaJan–Mar, Jul–AugAug (27°C)
ColomboDec–MarMar (31°C)
KandyJan–AprApr (30°C)
GalleDec–MarMar (29°C)
MirissaDec–MarMar (30°C)
WeligamaNov–MarMar (30°C)
Arugam BayMay–SepAug (32°C)
SigiriyaJan–Mar, Jul–SepApr (32°C)
UnawatunaDec–MarMar (29°C)
HikkaduwaDec–MarMar (29°C)
Nuwara EliyaFeb–Apr, AugMar (20°C)
NegomboDec–MarMar (31°C)
AhangamaNov–MarMar (30°C)
HiriketiyaNov–MarMar (30°C)
TrincomaleeMay–SepAug (32°C)
BentotaDec–AprMar (30°C)
TangalleDec–AprMar (30°C)
JaffnaFeb–Mar, Jul–AugApr (32°C)

Quick answers

What is the best month to visit Tangalle?

Dec–Apr. Dec–Mar is dry with calmer seas and the busiest season. May–Sep southwest monsoon brings rough surf and red flags; Oct–Nov has storms.

When is the rainy season in Tangalle?

Rain peaks in November with about 285 mm. Months with 150 mm or more: Apr–May, Sep–Dec.

What is the hottest month in Tangalle?

March, with average highs of 30°C (86°F).

How cold does Tangalle get?

The coolest nights are in January, averaging 24°C (76°F).

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.