Colombo weather in March 2026

Expect daytime maximum temperatures of 32°C in Colombo, 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 136 mm of rainfall in the month.

  • 32°C maximum daytime temperature in March in Colombo32
    32°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in March in Colombo9
    9 days with some rainfall
  • 24°C minimum night-time temperature in March in Colombo24
    24°C min night temperature
  • 12 hours of daylight per day in March in Colombo12
    12 hours of daylight per day
  • Very high heat & humidity in March in ColomboVH
    Very High heat & humidity
  • 136 mm monthly rainfall in March in Colombo136
    136 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Colombo11
    11+ (Extreme) UV index
  • 29°C sea temperature in March in Colombo29
    29°C sea temperature

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The March 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 / mm)  |  Imperial (°F / inches)

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More about Sri Lanka

How hot is it in Colombo in March?

Daytime temperatures usually reach 32°C in Colombo in March with very high heat and humidity, falling to 24°C at night.

How sunny is it in Colombo in March?

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

How warm is the sea around Colombo in March?

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

Does it rain in Colombo in March?

There are usually 9 days with some rain in Colombo in March and the average monthly rainfall is 136mm.

Colombo March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

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

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