Wattala Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Wattala.
Climate overview of Wattala
Wattala, Gampaha District, Sri Lanka, enjoys a steady climate throughout the year, with daytime temperatures typically around 31°C (88°F). March is the warmest month at 33°C (91°F), while July is the coolest at 30°C (86°F).
The city receives considerable rainfall, with around 2580 mm (102 in) annually. October is the wettest month. The most sunshine falls in March, with an average of 9.2 hours of daily sunshine.
Wattala Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Wattala - and find the best time to visit.
Monthly Temperature in Wattala
The temperature in Wattala remains steady throughout the year, providing a consistently very warm climate. Typically, average maximum daytime temperatures range from a very warm 33°C (91°F) in March to a very warm 30°C (86°F) in the coolest month, July.
Nights vary from 26°C (79°F) in March to around 24°C (75°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Wattala
Wattala has a relatively rainy climate with high precipitation levels, averaging 2580 mm (102 in) of rainfall annually. The climate in Wattala shows significant variation throughout the year. Expect heavy rainfall in October, the wettest month, with an average of 357 mm (14 in) of precipitation over 16 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 66 mm (2.6 in) of rainfall over 5 rainy days. For more details, please visit our Wattala 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 Wattala
Wattala offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between March (9.2 hours daily) and September (6.3 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Wattala
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
Humidity in Wattala by Month
The relative humidity is high throughout the year in Wattala.
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
Wind Speed in Wattala
The mean wind speed over the year ranges from 1 m/s (2 knots) in February, March, April, October, November and December to 2 m/s (4 knots) in January, May, June, July, August and September. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Wattala
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- 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 Wattala
What is the best time to visit Wattala?
January typically offers the most optimal weather in Wattala. In contrast, April, May, June, July, August, September, October and November tend to have less optimal conditions.
What temperatures can I expect in Wattala?
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 Wattala get?
Annual rainfall is around 2580 mm (102 in). October is the wettest month with 357 mm (14 in), while January is the driest with 66 mm (2.6 in).
How sunny is Wattala?
Wattala 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, Wattala enjoys abundant sunshine.
Wattala 3-Day Forecast
Wattala on the map
Wattala is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Colombo
30°C (86°F) Negombo30°C (86°F) Mirissa29°C (84°F) Unawatuna29°C (84°F) Hikkaduwa29°C (84°F) Galle29°C (84°F) Kandy
29°C (84°F) Nuwara Eliya28°C (82°F) 
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