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Average temperatures, rainfall, sunshine and the best time to visit Tissamaharama.
The climate in Tissamaharama, Hambantota District, Sri Lanka, is remarkably consistent, with temperatures year-round averaging 32°C (90°F). The warmest month is July at 33°C (91°F), and the coolest is December at 30°C (86°F).
With around 1250 mm (49 in) of annual rainfall, Tissamaharama has a notably wet climate. However, this rainfall is not evenly distributed, the city has a distinct dry season from June to August. The wettest month is November. March is the sunniest month, averaging 8.3 hours of sunshine per day.
Pick a month to see the average temperature, rainfall and sunshine in Tissamaharama - and find the best time to visit.
In Tissamaharama temperatures are generally consistent throughout the year. Average daytime temperatures reach a very warm 33°C (91°F) in July. In December, the coolest month of the year, temperatures drop to a very warm 30°C (86°F).
At night, temperatures range from around 26°C (79°F) in July to 23°C (73°F) in December.
Check out our detailed temperature page for more information.
Tissamaharama experiences significant rainfall throughout the year, averaging 1250 mm (49 in) of precipitation annually. Tissamaharama can be quite wet during November, receiving approximately 273 mm (11 in) of precipitation over 14 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 23 mm (0.9 in) of precipitation spread across 6 rainy days. For more details, please visit our Tissamaharama Precipitation page.
Tissamaharama experiences moderate variation in sunshine hours across the seasons. With 8.3 hours daily sunshine in March, it dips to 6.4 hours in November, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
The relative humidity is high throughout the year in Tissamaharama.
The city experiences its highest humidity in May, reaching 78%. In January, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
The average wind speed over the year ranges from 4 m/s (8 knots) to 6 m/s (12 knots). It is lower in March, April and November and higher in May, June, July, August and September. What does this mean?
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
January, February, July and August typically offer the most optimal weather in Tissamaharama. In contrast, November and December tend to have less optimal conditions. Tissamaharama has a distinct dry season from June to August.
Daytime highs range from 30°C (86°F) in December to 33°C (91°F) in July. Nighttime lows range from 23°C (73°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
Annual rainfall is around 1250 mm (49 in). November is the wettest month with 273 mm (11 in), while July is the driest with 23 mm (0.9 in).
Tissamaharama receives around 2,572 hours of sunshine per year. March is the sunniest month with 250 hours, while November is the cloudiest with just 191 hours. Overall, Tissamaharama enjoys abundant sunshine.
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