Best year time to visit Gannewa

General weather information about Gannewa

Average annual temperature is 20.6 °C

Absolute maximum temperature: 28.4 °C

Absolute minimum temperature: 11.2 °C

Number of sunny days: 45 days

Number of rainy days: 320 days

Look at detailed online map of Gannewa

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

Gannewa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)22.323.226.828.326.826.826.928.426.225.824.624.6
Average daytime temperature (°C)21.322.324.025.825.025.424.626.924.623.623.523.0
Average temperature (°C)18.019.020.121.221.421.921.322.021.020.520.320.3
Average night temperature (°C)14.815.516.717.218.519.419.018.418.617.817.918.3
Absolute minimum temperature (°C)11.212.615.715.617.218.217.617.317.116.916.517.0

Gannewa 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)9.49.59.910.29.310.29.310.78.17.57.37.5
Precipitation (mm)104771011209942856398406464357
Sunny days984331560312
Rainy days222027272829262530282929
Snow days000000000000

Gannewa - weather forecast by months

Gannewa weather in januaryGannewa weather in februaryGannewa weather in marchGannewa weather in aprilGannewa weather in mayGannewa weather in juneGannewa weather in julyGannewa weather in augustGannewa weather in septemberGannewa weather in octoberGannewa weather in novemberGannewa weather in december

Best time to visit Gannewa:

The largest precipitation sum in Gannewa is at

  • October — 406(mm)
  • November — 464(mm)
  • December — 357(mm)

    • Weather forecast in the closest to Gannewa admin centers

    Weather forecast in the closest towns to Gannewa

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    Frequently asked questions

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