Best year time to visit Rathmalkatuwa

General weather information about Rathmalkatuwa

Average annual temperature is 26.0 °C

Absolute maximum temperature: 36.8 °C

Absolute minimum temperature: 17.8 °C

Number of sunny days: 72 days

Number of rainy days: 293 days

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

Rathmalkatuwa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)28.729.933.635.134.033.534.636.833.532.430.730.7
Average daytime temperature (°C)27.428.330.632.931.432.131.934.531.430.429.328.1
Average temperature (°C)23.224.025.627.027.027.727.428.426.525.424.724.5
Average night temperature (°C)20.120.822.122.924.324.724.424.423.622.522.222.4
Absolute minimum temperature (°C)17.819.021.421.822.523.422.923.623.021.321.521.8

Rathmalkatuwa 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)11.711.912.112.312.512.612.512.412.211.911.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)8.99.19.910.39.110.710.011.19.28.37.06.6
Precipitation (mm)132829412211024293370257439295
Sunny days119679117120000
Rainy days201925232219241930313031
Snow days000000000000

Rathmalkatuwa - weather forecast by months

Rathmalkatuwa weather in januaryRathmalkatuwa weather in februaryRathmalkatuwa weather in marchRathmalkatuwa weather in aprilRathmalkatuwa weather in mayRathmalkatuwa weather in juneRathmalkatuwa weather in julyRathmalkatuwa weather in augustRathmalkatuwa weather in septemberRathmalkatuwa weather in octoberRathmalkatuwa weather in novemberRathmalkatuwa weather in december

Best time to visit Rathmalkatuwa:

The largest precipitation sum in Rathmalkatuwa is at

  • October — 257(mm)
  • November — 439(mm)
  • December — 295(mm)

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    Frequently asked questions

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