Best year time to visit Mahagantota

General weather information about Mahagantota

Average annual temperature is 27.4 °C

Absolute maximum temperature: 39.3 °C

Absolute minimum temperature: 18.3 °C

Number of sunny days: 59 days

Number of rainy days: 306 days

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

Mahagantota air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)29.531.134.135.836.436.738.239.337.233.531.531.3
Average daytime temperature (°C)28.429.331.233.633.435.235.037.334.431.830.029.3
Average temperature (°C)24.224.926.427.828.430.230.030.628.726.425.625.5
Average night temperature (°C)20.821.623.023.925.127.026.726.225.323.423.023.0
Absolute minimum temperature (°C)18.319.222.022.623.525.825.624.323.222.322.521.8

Mahagantota 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)11.711.912.112.312.512.612.512.412.211.911.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.09.310.010.49.310.89.810.99.78.77.27.2
Precipitation (mm)139113877811827295683343482429
Sunny days877775971100
Rainy days232124232425222429303031
Snow days000000000000

Mahagantota - weather forecast by months

Mahagantota weather in januaryMahagantota weather in februaryMahagantota weather in marchMahagantota weather in aprilMahagantota weather in mayMahagantota weather in juneMahagantota weather in julyMahagantota weather in augustMahagantota weather in septemberMahagantota weather in octoberMahagantota weather in novemberMahagantota weather in december

Best time to visit Mahagantota:

The largest precipitation sum in Mahagantota is at

  • October — 343(mm)
  • November — 482(mm)
  • December — 429(mm)

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    Frequently asked questions

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