Best year time to visit Diddeniya

General weather information about Diddeniya

Average annual temperature is 23.7 °C

Absolute maximum temperature: 32.7 °C

Absolute minimum temperature: 15.0 °C

Number of sunny days: 31 days

Number of rainy days: 334 days

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

Diddeniya air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)27.929.231.932.730.128.328.130.228.029.129.429.1
Average daytime temperature (°C)26.627.829.630.428.027.226.428.426.526.927.527.3
Average temperature (°C)22.123.124.524.824.424.123.624.323.223.223.323.6
Average night temperature (°C)18.018.720.420.721.822.021.621.421.220.720.620.8
Absolute minimum temperature (°C)15.015.619.418.920.621.220.520.220.119.619.118.6

Diddeniya 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)11.711.912.112.312.512.512.512.412.212.011.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.49.710.310.29.310.49.410.88.67.87.68.0
Precipitation (mm)50709322920617120899257528838322
Sunny days12102100020103
Rainy days191829293130312930303028
Snow days000000000000

Diddeniya - weather forecast by months

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

Best time to visit Diddeniya:

The largest precipitation sum in Diddeniya is at

  • October — 528(mm)
  • November — 838(mm)
  • December — 322(mm)

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    Frequently asked questions

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