Best year time to visit Galanissayaya

General weather information about Galanissayaya

Average annual temperature is 20.6 °C

Absolute maximum temperature: 30.7 °C

Absolute minimum temperature: 10.5 °C

Number of sunny days: 37 days

Number of rainy days: 328 days

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

Galanissayaya air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)21.522.925.626.328.428.730.230.726.625.425.124.8
Average daytime temperature (°C)20.521.523.224.925.927.827.328.925.623.923.422.5
Average temperature (°C)17.418.319.320.421.622.822.423.121.620.520.119.7
Average night temperature (°C)14.114.915.716.017.418.418.217.918.317.417.117.4
Absolute minimum temperature (°C)10.511.314.614.315.117.015.616.016.315.814.814.7

Galanissayaya 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)8.88.79.010.19.310.69.610.78.47.47.36.6
Precipitation (mm)20115211411516282106124250449464420
Sunny days3442611060100
Rainy days282427282529212530303031
Snow days000000000000

Galanissayaya - weather forecast by months

Galanissayaya weather in januaryGalanissayaya weather in februaryGalanissayaya weather in marchGalanissayaya weather in aprilGalanissayaya weather in mayGalanissayaya weather in juneGalanissayaya weather in julyGalanissayaya weather in augustGalanissayaya weather in septemberGalanissayaya weather in octoberGalanissayaya weather in novemberGalanissayaya weather in december

Best time to visit Galanissayaya:

The largest precipitation sum in Galanissayaya is at

  • October — 449(mm)
  • November — 464(mm)
  • December — 420(mm)

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    Weather forecast in the closest towns to Galanissayaya

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    Frequently asked questions

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