Best year time to visit Kosagama

General weather information about Kosagama

Average annual temperature is 26.4 °C

Absolute maximum temperature: 36.9 °C

Absolute minimum temperature: 18.6 °C

Number of sunny days: 36 days

Number of rainy days: 329 days

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

Kosagama air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)31.333.234.636.932.831.931.633.231.332.832.531.6
Average daytime temperature (°C)29.631.132.833.331.130.430.031.829.530.230.630.2
Average temperature (°C)24.825.827.127.327.327.227.127.625.925.625.625.9
Average night temperature (°C)20.921.723.223.624.424.524.824.623.422.922.823.2
Absolute minimum temperature (°C)18.619.622.222.122.722.823.223.022.321.922.122.2

Kosagama 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)11.711.912.112.312.512.612.512.412.212.011.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.59.910.810.29.410.39.811.18.58.67.88.0
Precipitation (mm)888310517219413212051326384611299
Sunny days16131200110002
Rainy days151530283130303030313029
Snow days000000000000

Kosagama - weather forecast by months

Kosagama weather in januaryKosagama weather in februaryKosagama weather in marchKosagama weather in aprilKosagama weather in mayKosagama weather in juneKosagama weather in julyKosagama weather in augustKosagama weather in septemberKosagama weather in octoberKosagama weather in novemberKosagama weather in december

Best time to visit Kosagama:

The largest precipitation sum in Kosagama is at

  • September — 326(mm)
  • October — 384(mm)
  • November — 611(mm)
  • December — 299(mm)

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    Frequently asked questions

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