Best year time to visit Illawatura

General weather information about Illawatura

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 Illawatura Sri Lanka is based on climate observations for 2026 year

Illawatura 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

Illawatura 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

Illawatura - weather forecast by months

Illawatura weather in januaryIllawatura weather in februaryIllawatura weather in marchIllawatura weather in aprilIllawatura weather in mayIllawatura weather in juneIllawatura weather in julyIllawatura weather in augustIllawatura weather in septemberIllawatura weather in octoberIllawatura weather in novemberIllawatura weather in december

Best time to visit Illawatura:

The largest precipitation sum in Illawatura is at

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

    • Weather forecast in the closest to Illawatura admin centers

    Weather forecast in the closest towns to Illawatura

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    Frequently asked questions

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