Best year time to visit Gammannagoda

General weather information about Gammannagoda

Average annual temperature is 24.5 °C

Absolute maximum temperature: 33.4 °C

Absolute minimum temperature: 16.5 °C

Number of sunny days: 37 days

Number of rainy days: 328 days

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

Gammannagoda air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)29.130.632.033.430.129.228.530.328.629.129.929.8
Average daytime temperature (°C)27.628.530.130.928.227.627.128.926.827.328.028.2
Average temperature (°C)23.023.925.125.525.124.824.625.423.923.923.924.4
Average night temperature (°C)19.119.621.121.723.223.022.622.922.121.521.121.7
Absolute minimum temperature (°C)16.517.519.920.322.221.621.122.121.120.519.820.8

Gammannagoda 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)9.69.810.29.89.09.39.010.77.77.47.18.2
Precipitation (mm)929111518617016921058248372615351
Sunny days1493200040104
Rainy days171928283130312730303027
Snow days000000000000

Gammannagoda - weather forecast by months

Gammannagoda weather in januaryGammannagoda weather in februaryGammannagoda weather in marchGammannagoda weather in aprilGammannagoda weather in mayGammannagoda weather in juneGammannagoda weather in julyGammannagoda weather in augustGammannagoda weather in septemberGammannagoda weather in octoberGammannagoda weather in novemberGammannagoda weather in december

Best time to visit Gammannagoda:

The largest precipitation sum in Gammannagoda is at

  • October — 372(mm)
  • November — 615(mm)
  • December — 351(mm)

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    Frequently asked questions

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