Negombo weather in October 2026

Expect daytime maximum temperatures of 88°F in Negombo, 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 15 days with some rainfall and typically 13.8 inches of rainfall in the month.

  • 88°F maximum daytime temperature in October in Negombo88
    88°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in October in Negombo15
    15 days with some rainfall
  • 75°F minimum night-time temperature in October in Negombo75
    75°F min night temperature
  • 12 hours of daylight per day in October in Negombo12
    12 hours of daylight per day
  • High heat & humidity in October in NegomboH
    High heat & humidity
  • 13.8 inches monthly rainfall in October in Negombo13.8
    13.8 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Negombo11
    11+ (Extreme) UV index
  • 82°F sea temperature in October in Negombo82
    82°F sea temperature

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The October weather guide for Sri Lanka (Negombo) 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 Negombo in October?

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

How sunny is it in Negombo in October?

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

How warm is the sea around Negombo in October?

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

Does it rain in Negombo in October?

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

Negombo October sunrise & sunset times

Browse the sunrise and sunset times for Negombo in October 2026. Select a month to view Negombo 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 17:50

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