Best year time to visit Illawathura

General weather information about Illawathura

Average annual temperature is 23.8 °C

Absolute maximum temperature: 33.2 °C

Absolute minimum temperature: 15.3 °C

Number of sunny days: 41 days

Number of rainy days: 324 days

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

Illawathura air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)27.928.831.833.230.229.128.830.928.929.028.528.9
Average daytime temperature (°C)26.527.429.430.528.227.527.229.627.127.427.527.3
Average temperature (°C)22.223.024.324.924.424.524.124.923.523.323.323.7
Average night temperature (°C)18.418.920.120.421.522.421.621.220.920.320.421.1
Absolute minimum temperature (°C)15.316.018.819.119.620.719.919.618.518.518.519.8

Illawathura 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)9.59.810.19.99.29.89.110.88.27.57.28.0
Precipitation (mm)53749914313010313944147407448265
Sunny days13103210250104
Rainy days181828283030292630303027
Snow days000000000000

Illawathura - weather forecast by months

Illawathura weather in januaryIllawathura weather in februaryIllawathura weather in marchIllawathura weather in aprilIllawathura weather in mayIllawathura weather in juneIllawathura weather in julyIllawathura weather in augustIllawathura weather in septemberIllawathura weather in octoberIllawathura weather in novemberIllawathura weather in december

Best time to visit Illawathura:

The largest precipitation sum in Illawathura is at

  • October — 407(mm)
  • November — 448(mm)
  • December — 265(mm)

    • Weather forecast in the closest to Illawathura admin centers

    Weather forecast in the closest towns to Illawathura

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    Frequently asked questions

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