Best year time to visit Gampaha Division

General weather information about Gampaha Division

Average annual temperature is 26.0 °C

Absolute maximum temperature: 34.0 °C

Absolute minimum temperature: 19.7 °C

Number of sunny days: 21 days

Number of rainy days: 344 days

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

Gampaha Division air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)31.634.033.733.231.630.530.030.630.331.131.332.0
Average daytime temperature (°C)30.231.031.431.830.229.529.229.728.529.329.930.2
Average temperature (°C)25.125.726.326.826.826.526.426.525.425.225.225.6
Average night temperature (°C)21.221.622.723.224.424.024.023.923.322.622.422.8
Absolute minimum temperature (°C)19.719.722.022.023.022.622.023.122.421.721.421.9

Gampaha Division 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)11.811.912.112.312.412.512.512.312.212.011.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.39.710.410.28.59.09.810.86.87.27.47.5
Precipitation (mm)114101179185225328251116551612509387
Sunny days1170000000102
Rainy days202131303130313130303029
Snow days000000000000

Gampaha Division - weather forecast by months

Gampaha Division weather in januaryGampaha Division weather in februaryGampaha Division weather in marchGampaha Division weather in aprilGampaha Division weather in mayGampaha Division weather in juneGampaha Division weather in julyGampaha Division weather in augustGampaha Division weather in septemberGampaha Division weather in octoberGampaha Division weather in novemberGampaha Division weather in december

Best time to visit Gampaha Division:

The largest precipitation sum in Gampaha Division is at

  • September — 551(mm)
  • October — 612(mm)
  • November — 509(mm)
  • December — 387(mm)

    • Weather forecast in the closest to Gampaha Division admin centers

    Weather forecast in the closest towns to Gampaha Division

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    Frequently asked questions

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