Best year time to visit Dekatana

General weather information about Dekatana

Average annual temperature is 25.6 °C

Absolute maximum temperature: 33.5 °C

Absolute minimum temperature: 18.8 °C

Number of sunny days: 19 days

Number of rainy days: 346 days

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

Dekatana air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)31.133.332.533.531.630.330.230.630.531.231.332.0
Average daytime temperature (°C)29.830.731.131.830.029.329.129.728.529.329.930.0
Average temperature (°C)24.825.325.926.426.425.925.926.225.025.025.025.4
Average night temperature (°C)20.921.222.322.823.923.323.423.522.922.622.322.5
Absolute minimum temperature (°C)18.819.221.421.322.422.021.822.522.121.521.721.7

Dekatana 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)9.39.710.210.18.38.59.310.86.56.97.17.5
Precipitation (mm)129110194210227332279139563586565447
Sunny days1250000000101
Rainy days192331303130313130303030
Snow days000000000000

Dekatana - weather forecast by months

Dekatana weather in januaryDekatana weather in februaryDekatana weather in marchDekatana weather in aprilDekatana weather in mayDekatana weather in juneDekatana weather in julyDekatana weather in augustDekatana weather in septemberDekatana weather in octoberDekatana weather in novemberDekatana weather in december

Best time to visit Dekatana:

The largest precipitation sum in Dekatana is at

  • September — 563(mm)
  • October — 586(mm)
  • November — 565(mm)
  • December — 447(mm)

    • Weather forecast in the closest to Dekatana admin centers

    Weather forecast in the closest towns to Dekatana

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    Frequently asked questions

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