Best year time to visit Heerassagala

General weather information about Heerassagala

Average annual temperature is 24.1 °C

Absolute maximum temperature: 34.1 °C

Absolute minimum temperature: 16.0 °C

Number of sunny days: 51 days

Number of rainy days: 314 days

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* Weather data for Heerassagala Sri Lanka is based on climate observations for 2026 year

Heerassagala air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)28.029.533.134.130.730.229.832.229.629.328.728.9
Average daytime temperature (°C)26.527.630.031.328.828.927.730.727.827.427.627.2
Average temperature (°C)22.323.224.625.424.725.124.325.323.823.423.423.6
Average night temperature (°C)18.919.520.620.921.422.221.521.221.020.520.821.2
Absolute minimum temperature (°C)16.016.819.219.619.920.819.119.418.618.919.620.1

Heerassagala monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.012.012.012.012.012.012.011.011.0
Daylight mean duration (h)11.811.912.112.312.512.512.512.412.212.011.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.49.710.110.19.210.29.210.88.67.67.27.9
Precipitation (mm)4050491271047413633111346545229
Sunny days12146510161104
Rainy days191425253030302529303027
Snow days000000000000

Heerassagala - weather forecast by months

Heerassagala weather in januaryHeerassagala weather in februaryHeerassagala weather in marchHeerassagala weather in aprilHeerassagala weather in mayHeerassagala weather in juneHeerassagala weather in julyHeerassagala weather in augustHeerassagala weather in septemberHeerassagala weather in octoberHeerassagala weather in novemberHeerassagala weather in december

Best time to visit Heerassagala:

The largest precipitation sum in Heerassagala is at

  • October — 346(mm)
  • November — 545(mm)
  • December — 229(mm)

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    Frequently asked questions

    When is the best time to visit Heerassagala?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Heerassagala.
    What is the weather like in Heerassagala?
    See average temperature, rainfall and daylight hours for Heerassagala by month in the table above.
    How many sunny days does Heerassagala have?
    The monthly weather statistics above show sunshine and rainfall patterns for Heerassagala throughout the year.