Best year time to visit Janasirigama

General weather information about Janasirigama

Average annual temperature is 26.6 °C

Absolute maximum temperature: 37.3 °C

Absolute minimum temperature: 18.4 °C

Number of sunny days: 77 days

Number of rainy days: 288 days

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

Janasirigama air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)29.130.834.536.135.435.536.337.334.433.431.431.2
Average daytime temperature (°C)27.829.131.333.632.433.733.435.232.431.429.728.5
Average temperature (°C)23.824.626.327.727.628.528.328.827.226.025.125.1
Average night temperature (°C)20.721.322.923.824.625.125.024.824.123.122.722.8
Absolute minimum temperature (°C)18.618.421.722.623.523.923.924.123.422.322.121.9

Janasirigama 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)11.711.912.112.312.512.612.512.412.211.911.711.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.39.810.510.48.810.79.710.89.38.87.37.3
Precipitation (mm)1071076912112523287267380477260
Sunny days13115610611140100
Rainy days181726242124201730303031
Snow days000000000000

Janasirigama - weather forecast by months

Janasirigama weather in januaryJanasirigama weather in februaryJanasirigama weather in marchJanasirigama weather in aprilJanasirigama weather in mayJanasirigama weather in juneJanasirigama weather in julyJanasirigama weather in augustJanasirigama weather in septemberJanasirigama weather in octoberJanasirigama weather in novemberJanasirigama weather in december

Best time to visit Janasirigama:

The largest precipitation sum in Janasirigama is at

  • October — 380(mm)
  • November — 477(mm)
  • December — 260(mm)

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    Frequently asked questions

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