Best year time to visit Koswana South

General weather information about Koswana South

Average annual temperature is 22.7 °C

Absolute maximum temperature: 30.3 °C

Absolute minimum temperature: 16.1 °C

Number of sunny days: 29 days

Number of rainy days: 336 days

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

Koswana South air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)25.126.329.430.329.528.027.530.327.227.627.427.3
Average daytime temperature (°C)23.925.127.028.427.026.425.528.025.526.026.225.4
Average temperature (°C)20.721.522.823.723.623.322.823.722.622.622.622.4
Average night temperature (°C)18.018.319.520.121.421.421.021.120.920.420.320.5
Absolute minimum temperature (°C)16.116.118.618.520.820.720.120.320.119.118.718.8

Koswana South 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)11.711.912.112.312.512.512.512.412.212.011.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.29.610.110.19.310.39.210.88.57.97.77.4
Precipitation (mm)84709916714610714353192462669303
Sunny days1083410100101
Rainy days212028263030303130303030
Snow days000000000000

Koswana South - weather forecast by months

Koswana South weather in januaryKoswana South weather in februaryKoswana South weather in marchKoswana South weather in aprilKoswana South weather in mayKoswana South weather in juneKoswana South weather in julyKoswana South weather in augustKoswana South weather in septemberKoswana South weather in octoberKoswana South weather in novemberKoswana South weather in december

Best time to visit Koswana South:

The largest precipitation sum in Koswana South is at

  • October — 462(mm)
  • November — 669(mm)
  • December — 303(mm)

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    Frequently asked questions

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