Best year time to visit Diddeniya South

General weather information about Diddeniya South

Average annual temperature is 25.7 °C

Absolute maximum temperature: 32.9 °C

Absolute minimum temperature: 17.8 °C

Number of sunny days: 16 days

Number of rainy days: 349 days

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

Diddeniya South air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)30.931.932.232.931.430.730.330.930.431.531.031.8
Average daytime temperature (°C)29.530.230.631.730.029.429.130.028.529.229.729.7
Average temperature (°C)24.625.326.026.726.526.025.926.425.225.325.425.6
Average night temperature (°C)20.321.522.623.424.223.623.423.523.222.922.922.9
Absolute minimum temperature (°C)17.819.721.022.223.022.621.922.722.421.922.221.4

Diddeniya 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)11.811.912.112.312.412.512.512.312.212.011.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.09.39.89.77.57.38.510.65.66.26.67.3
Precipitation (mm)130125206212249387334166645686585463
Sunny days1051000000000
Rainy days212330303130313130313031
Snow days000000000000

Diddeniya South - weather forecast by months

Diddeniya South weather in januaryDiddeniya South weather in februaryDiddeniya South weather in marchDiddeniya South weather in aprilDiddeniya South weather in mayDiddeniya South weather in juneDiddeniya South weather in julyDiddeniya South weather in augustDiddeniya South weather in septemberDiddeniya South weather in octoberDiddeniya South weather in novemberDiddeniya South weather in december

Best time to visit Diddeniya South:

The best time to visit Diddeniya South during the most sunny months:

  • August — 10.6(h)

The largest precipitation sum in Diddeniya South is at

  • September — 645(mm)
  • October — 686(mm)
  • November — 585(mm)
  • December — 463(mm)

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    Frequently asked questions

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