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Welisara Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Welisara.
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Climate overview of Welisara
With consistently stable weather, Welisara, Gampaha District, Sri Lanka, sees little seasonal temperature change. Daytime highs average 31°C (88°F), ranging from 33°C (91°F) in March to 30°C (86°F) in July.
With around 2553 mm (101 in) of annual rainfall, Welisara has a notably wet climate. The wettest month is October. The most sunshine falls in March, with an average of 9.2 hours of daily sunshine.
Welisara Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Welisara - and find the best time to visit.
Monthly Temperature in Welisara
The climate in Welisara remains fairly constant, offering very warm temperatures throughout the year. Average daytime temperatures reach a very warm 33°C (91°F) in March. In July, 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 March to 24°C (75°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Welisara
Welisara is known for its substantial rainfall, with annual precipitation reaching 2553 mm (101 in). Welisara can be quite wet during October, receiving approximately 356 mm (14 in) of precipitation over 16 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 63 mm (2.5 in) of precipitation spread across 5 rainy days. For more details, please visit our Welisara Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Welisara
Welisara experiences moderate variation in sunshine hours across the seasons. With 9.2 hours daily sunshine in March, it dips to 6.3 hours in September, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Colombo, Sri Lanka (15 KM, 9 Miles).
Daily hours of sunshine
Data from: Colombo, Sri Lanka (15 KM, 9 Miles).
Water Temperature in Welisara
The mean water temperature over the year ranges from 26°C (79°F) in August to 28°C (82°F) in January.
Water temperature over the year
Data from: Colombo, Sri Lanka (15 KM, 9 Miles).
Humidity in Welisara by Month
The relative humidity is high throughout the year in Welisara.
The city experiences its highest humidity in June, reaching 79%. In February, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Colombo, Sri Lanka (15 KM, 9 Miles).
Wind Speed in Welisara
The average wind speed over the year ranges from 1 m/s (2 knots) to 2 m/s (4 knots). It is lower in February, March, April, October, November and December and higher in January, May, June, July, August and September. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Colombo, Sri Lanka (15 KM, 9 Miles).
Best Time to Visit Welisara
The most favourable weather available in Welisara usually occurs in January. Conditions are generally most challenging in April, May, June, July, August, September, October and November.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
good
Feb
mixed
Mar
mixed
Apr
very wet
May
very wet
Jun
very wet
Jul
very wet
Aug
very wet
Sep
very wet
Oct
very wet
Nov
very wet
Dec
mixed
- Best overall: January
- Warmest weather: January, February, March and April
- Most sunshine: March
- Fewest rainy days: January and February
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
Frequently asked questions about the climate in Welisara
What is the best time to visit Welisara?
January typically offers the most optimal weather in Welisara. In contrast, April, May, June, July, August, September, October and November tend to have less optimal conditions.
What temperatures can I expect in Welisara?
Daytime highs range from 30°C (86°F) in July to 33°C (91°F) in March. Nighttime lows range from 24°C (75°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Welisara get?
Annual rainfall is around 2553 mm (101 in). October is the wettest month with 356 mm (14 in), while January is the driest with 63 mm (2.5 in).
How sunny is Welisara?
Welisara receives around 2,623 hours of sunshine per year. March is the sunniest month with 276 hours, while September is the cloudiest with just 189 hours. Overall, Welisara enjoys abundant sunshine.
Welisara 3-Day Forecast
Welisara on the map
Welisara is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Colombo
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