Best year time to visit Koolankulam

General weather information about Koolankulam

Average annual temperature is 27.4 °C

Absolute maximum temperature: 36.4 °C

Absolute minimum temperature: 18.2 °C

Number of sunny days: 100 days

Number of rainy days: 265 days

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

Koolankulam air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)30.333.034.736.433.333.333.334.032.232.431.430.1
Average daytime temperature (°C)28.830.332.633.231.331.831.432.230.830.229.528.9
Average temperature (°C)24.625.427.728.528.829.428.728.928.327.025.825.9
Average night temperature (°C)21.121.423.724.626.627.626.826.526.124.423.323.7
Absolute minimum temperature (°C)18.219.021.622.923.826.226.225.624.722.922.723.1

Koolankulam 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)11.711.812.112.312.512.612.612.412.211.911.711.6
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.410.211.010.89.310.810.011.210.59.77.58.3
Precipitation (mm)70117431071031940373188421222
Sunny days1614628819240111
Rainy days15142528232212730302930
Snow days000000000000

Koolankulam - weather forecast by months

Koolankulam weather in januaryKoolankulam weather in februaryKoolankulam weather in marchKoolankulam weather in aprilKoolankulam weather in mayKoolankulam weather in juneKoolankulam weather in julyKoolankulam weather in augustKoolankulam weather in septemberKoolankulam weather in octoberKoolankulam weather in novemberKoolankulam weather in december

Best time to visit Koolankulam:

The largest precipitation sum in Koolankulam is at

  • October — 188(mm)
  • November — 421(mm)
  • December — 222(mm)

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    Frequently asked questions

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