Best year time to visit Thenna

General weather information about Thenna

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 Thenna Sri Lanka is based on climate observations for 2026 year

Thenna 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

Thenna 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

Thenna - weather forecast by months

Thenna weather in januaryThenna weather in februaryThenna weather in marchThenna weather in aprilThenna weather in mayThenna weather in juneThenna weather in julyThenna weather in augustThenna weather in septemberThenna weather in octoberThenna weather in novemberThenna weather in december

Best time to visit Thenna:

The largest precipitation sum in Thenna is at

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

    • Weather forecast in the closest to Thenna admin centers

    Weather forecast in the closest towns to Thenna

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    Frequently asked questions

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