Colombo weather in April 2026

Expect daytime maximum temperatures of 32°C in Colombo, Sri Lanka in April and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 250 mm of rainfall in the month.

  • 32°C maximum daytime temperature in April in Colombo32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in April in Colombo14
    14 days with some rainfall
  • 24°C minimum night-time temperature in April in Colombo24
    24°C min night temperature
  • 12 hours of daylight per day in April in Colombo12
    12 hours of daylight per day
  • Very high heat & humidity in April in ColomboVH
    Very High heat & humidity
  • 250 mm monthly rainfall in April in Colombo250
    250 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Colombo11
    11+ (Extreme) UV index
  • 30°C sea temperature in April in Colombo30
    30°C sea temperature

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The April 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 April?

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

How sunny is it in Colombo in April?

There are normally 8 hours of bright sunshine each day in Colombo in April - that's 63% of daylight hours.

How warm is the sea around Colombo in April?

The average sea temperature around Colombo in April is 30°C.

Does it rain in Colombo in April?

There are usually 14 days with some rain in Colombo in April and the average monthly rainfall is 250mm.

Colombo April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 06:09 18:20
Wednesday, 15th April 2026 06:03 18:19
Thursday, 30th April 2026 05:57 18:19

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