Best year time to visit Rathmetiya

General weather information about Rathmetiya

Average annual temperature is 21.8 °C

Absolute maximum temperature: 30.9 °C

Absolute minimum temperature: 11.6 °C

Number of sunny days: 45 days

Number of rainy days: 320 days

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

Rathmetiya air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)22.823.726.728.628.629.429.830.928.227.025.825.9
Average daytime temperature (°C)21.822.724.226.026.728.127.229.326.624.924.423.7
Average temperature (°C)18.719.720.922.223.023.823.323.822.621.721.321.1
Average night temperature (°C)15.716.217.718.619.720.720.519.619.719.118.919.2
Absolute minimum temperature (°C)11.612.816.616.417.919.118.518.418.117.517.417.5

Rathmetiya 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)8.98.89.410.19.210.49.210.68.07.47.36.7
Precipitation (mm)1761351481298220639066404421406
Sunny days452755770201
Rainy days272329232625242430293030
Snow days000000000000

Rathmetiya - weather forecast by months

Rathmetiya weather in januaryRathmetiya weather in februaryRathmetiya weather in marchRathmetiya weather in aprilRathmetiya weather in mayRathmetiya weather in juneRathmetiya weather in julyRathmetiya weather in augustRathmetiya weather in septemberRathmetiya weather in octoberRathmetiya weather in novemberRathmetiya weather in december

Best time to visit Rathmetiya:

The largest precipitation sum in Rathmetiya is at

  • October — 404(mm)
  • November — 421(mm)
  • December — 406(mm)

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    Frequently asked questions

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