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Gampaha Climate by Month

The graphs below provide an overview of the climate in Gampaha (Gampaha District), Sri Lanka. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Gampaha

Sun   Jul 14
31°C | 25°C
W 22 km/h
6.6 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Mon   Jul 15
31°C | 24°C
W 14 km/h
12 mm
broken clouds and rain

broken clouds and rain

Tue   Jul 16
30°C | 24°C
SW 14 km/h
30 mm
broken clouds and thunder

broken clouds and thunder

The best time of year to visit Gampaha in Sri Lanka

Gampaha has high temperatures year round ranging between 30°C and 34°C.
Other facts from our historical weather data:

  • Which is the hottest month in Gampaha?
    March has an average maximum temperature of 34°C and is the hottest month of the year.
  • Which is the coolest month in Gampaha?
    The coolest month is January with an average maximum temperature of 31°C.
  • Which is the wettest month in Gampaha?
    October tops the wettest month list with 363 mm of rainfall.
  • Which is the driest month in Gampaha?
    January is the driest month with 64 mm of precipitation.
  • Which is the sunniest month in Gampaha?
    March is the sunniest month with an average of 276 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.