Best year time to visit Dehennegama

General weather information about Dehennegama

Average annual temperature is 26.5 °C

Absolute maximum temperature: 36.6 °C

Absolute minimum temperature: 18.9 °C

Number of sunny days: 47 days

Number of rainy days: 318 days

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

Dehennegama air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)30.532.834.736.632.831.932.434.231.433.132.231.1
Average daytime temperature (°C)29.230.532.633.331.030.630.232.429.730.030.329.9
Average temperature (°C)24.525.527.027.527.327.427.127.826.125.725.625.8
Average night temperature (°C)20.921.623.323.924.624.724.924.823.623.223.023.3
Absolute minimum temperature (°C)18.919.622.022.722.522.823.423.422.422.322.422.6

Dehennegama 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)11.711.912.112.312.512.612.512.412.212.011.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.49.910.810.29.310.49.811.18.78.17.47.8
Precipitation (mm)618597134163865925239309399252
Sunny days16143100490000
Rainy days151428293130272230313031
Snow days000000000000

Dehennegama - weather forecast by months

Dehennegama weather in januaryDehennegama weather in februaryDehennegama weather in marchDehennegama weather in aprilDehennegama weather in mayDehennegama weather in juneDehennegama weather in julyDehennegama weather in augustDehennegama weather in septemberDehennegama weather in octoberDehennegama weather in novemberDehennegama weather in december

Best time to visit Dehennegama:

The largest precipitation sum in Dehennegama is at

  • September — 239(mm)
  • October — 309(mm)
  • November — 399(mm)
  • December — 252(mm)

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    Frequently asked questions

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