Colombo weather in October 2026

Expect daytime maximum temperatures of 86°F in Colombo, Sri Lanka in October and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 14.6 inches of rainfall in the month.

  • 86°F maximum daytime temperature in October in Colombo86
    86°F max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in October in Colombo16
    16 days with some rainfall
  • 75°F minimum night-time temperature in October in Colombo75
    75°F min night temperature
  • 12 hours of daylight per day in October in Colombo12
    12 hours of daylight per day
  • High heat & humidity in October in ColomboH
    High heat & humidity
  • 14.6 inches monthly rainfall in October in Colombo14.6
    14.6 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Colombo11
    11+ (Extreme) UV index
  • 82°F sea temperature in October in Colombo82
    82°F sea temperature

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The October weather guide for Sri Lanka (Colombo) 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)  |  Imperial (°F)

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More about Sri Lanka

How hot is it in Colombo in October?

Daytime temperatures usually reach 86°F in Colombo in October with high heat and humidity, falling to 75°F at night.

How sunny is it in Colombo in October?

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

How warm is the sea around Colombo in October?

The average sea temperature around Colombo in October is 82°F.

Does it rain in Colombo in October?

There are usually 16 days with some rain in Colombo in October and the average monthly rainfall is 14.6 inches.

Colombo October sunrise & sunset times

Browse the sunrise and sunset times for Colombo in October 2026. Select a month to view Colombo sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st October 2026 05:59 18:02
Friday, 16th October 2026 05:57 17:55
Saturday, 31st October 2026 05:58 17:51

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