Mount Lavinia-Dehiwala weather in October 2025

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Mount Lavinia-Dehiwala in October based on long-term weather averages. There is usually 16 days with some rainfall and 371 mm of average monthly rainfall in October.

  • 30°C maximum daytime temperature in October in Mount Lavinia-Dehiwala30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in October in Mount Lavinia-Dehiwala16
    16 days with some rainfall
  • 24°C minimum night-time temperature in October in Mount Lavinia-Dehiwala24
    24°C min night temperature
  • 12 hours of daylight per day in October in Mount Lavinia-Dehiwala12
    12 hours of daylight per day
  • High heat & humidity in October in Mount Lavinia-DehiwalaH
    High heat & humidity
  • 371 mm monthly rainfall in October in Mount Lavinia-Dehiwala371
    371 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Mount Lavinia-Dehiwala11
    11+ (Extreme) UV index
  • 28°C sea temperature in October in Mount Lavinia-Dehiwala28
    28°C sea temperature

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The October weather guide for Sri Lanka (Mount Lavinia-Dehiwala) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Sri Lanka

How hot is it in Mount Lavinia-Dehiwala in October?

Daytime temperatures usually reach 30°C in Mount Lavinia-Dehiwala in October with high heat and humidity, falling to 24°C at night.

How sunny is it in Mount Lavinia-Dehiwala in October?

There are normally 6 hours of bright sunshine each day in Mount Lavinia-Dehiwala in October - that's 53% of daylight hours.

How warm is the sea around Mount Lavinia-Dehiwala in October?

The average sea temperature around Mount Lavinia-Dehiwala in October is 28°C.

Does it rain in Mount Lavinia-Dehiwala in October?

There are usually 16 days with some rain in Mount Lavinia-Dehiwala in October and the average monthly rainfall is 371mm.

Mount Lavinia-Dehiwala October sunrise & sunset times

Browse the sunrise and sunset times for Mount Lavinia-Dehiwala in October 2025. Select a month to view Mount Lavinia-Dehiwala sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:58 18:02
Thursday, 16th October 2025 05:57 17:55
Friday, 31st October 2025 05:58 17:51

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