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Bandaragama Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Bandaragama.
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Climate overview of Bandaragama
Bandaragama, 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 2884 mm (114 in) annually. October is the wettest month. The most sunshine falls in March, with an average of 9.2 hours of daily sunshine.
Bandaragama Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bandaragama - and find the best time to visit.
Monthly Temperature in Bandaragama
The temperature in Bandaragama 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 23°C (73°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Bandaragama
Bandaragama has a relatively rainy climate with high precipitation levels, averaging 2884 mm (114 in) of rainfall annually. The climate in Bandaragama shows significant variation throughout the year. Expect heavy rainfall in October, the wettest month, with an average of 368 mm (14 in) of precipitation over 16 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 97 mm (3.8 in) of rainfall over 5 rainy days. For more details, please visit our Bandaragama 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 Bandaragama
Bandaragama 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
Data from: Colombo, Sri Lanka (24 KM, 15 Miles).
Daily hours of sunshine
Data from: Colombo, Sri Lanka (24 KM, 15 Miles).
Water Temperature in Bandaragama
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 (24 KM, 15 Miles).
Humidity in Bandaragama by Month
The relative humidity is high throughout the year in Bandaragama.
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 (24 KM, 15 Miles).
Wind Speed in Bandaragama
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 (24 KM, 15 Miles).
Best Time to Visit Bandaragama
The most favourable weather available in Bandaragama usually occurs in January. Conditions are generally most challenging in March, April, May, June, July, August, September, October, November and December.
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
wet
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
very wet
- 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 Bandaragama
What is the best time to visit Bandaragama?
January typically offers the most optimal weather in Bandaragama. In contrast, March, April, May, June, July, August, September, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Bandaragama?
Daytime highs range from 30°C (86°F) in July to 33°C (91°F) in March. Nighttime lows range from 23°C (73°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Bandaragama get?
Annual rainfall is around 2884 mm (114 in). October is the wettest month with 368 mm (14 in), while January is the driest with 97 mm (3.8 in).
How sunny is Bandaragama?
Bandaragama 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, Bandaragama enjoys abundant sunshine.
Bandaragama 3-Day Forecast
Bandaragama on the map
Bandaragama 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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