Negombo weather in October 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Negombo in October. Check more long-term weather averages for Negombo in October before you book your next holiday to Sri Lanka in 2025/2026.

  • 31°C maximum daytime temperature in October in Negombo31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in October in Negombo15
    15 days with some rainfall
  • 24°C minimum night-time temperature in October in Negombo24
    24°C 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
  • 351 mm monthly rainfall in October in Negombo351
    351 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Negombo11
    11+ (Extreme) UV index
  • 28°C sea temperature in October in Negombo28
    28°C 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 / mm)  |  Imperial (°F / inches)

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More about Sri Lanka

How hot is it in Negombo in October?

Daytime temperatures usually reach 31°C in Negombo in October with high heat and humidity, falling to 24°C 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 28°C.

Does it rain in Negombo in October?

There are usually 15 days with some rain in Negombo in October and the average monthly rainfall is 351mm.

Negombo October sunrise & sunset times

Browse the sunrise and sunset times for Negombo in October 2025. Select a month to view Negombo sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:59 18:02
Thursday, 16th October 2025 05:57 17:55
Friday, 31st October 2025 05:58 17:50

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