Negombo weather in March 2026

Expect daytime maximum temperatures of 33°C in Negombo, Sri Lanka in March and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 128 mm of rainfall in the month.

  • 33°C maximum daytime temperature in March in Negombo33
    33°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in March in Negombo8
    8 days with some rainfall
  • 23°C minimum night-time temperature in March in Negombo23
    23°C min night temperature
  • 12 hours of daylight per day in March in Negombo12
    12 hours of daylight per day
  • Very high heat & humidity in March in NegomboVH
    Very High heat & humidity
  • 128 mm monthly rainfall in March in Negombo128
    128 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Negombo11
    11+ (Extreme) UV index
  • 29°C sea temperature in March in Negombo29
    29°C sea temperature

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The March 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 March?

Daytime temperatures usually reach 33°C in Negombo in March with very high heat and humidity, falling to 23°C at night.

How sunny is it in Negombo in March?

There are normally 9 hours of bright sunshine each day in Negombo in March - that's 72% of daylight hours.

How warm is the sea around Negombo in March?

The average sea temperature around Negombo in March is 29°C.

Does it rain in Negombo in March?

There are usually 8 days with some rain in Negombo in March and the average monthly rainfall is 128mm.

Negombo March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st March 2026 06:24 18:23
Monday, 16th March 2026 06:17 18:22
Tuesday, 31st March 2026 06:09 18:20

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