Colombo weather in June 2026

Expect daytime maximum temperatures of 86°F in Colombo, Sri Lanka in June 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 7.3 inches of rainfall in the month.

  • 86°F maximum daytime temperature in June in Colombo86
    86°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in June in Colombo15
    15 days with some rainfall
  • 77°F minimum night-time temperature in June in Colombo77
    77°F min night temperature
  • 13 hours of daylight per day in June in Colombo13
    13 hours of daylight per day
  • High heat & humidity in June in ColomboH
    High heat & humidity
  • 7.3 inches monthly rainfall in June in Colombo7.3
    7.3 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Colombo11
    11+ (Extreme) UV index
  • 82°F sea temperature in June in Colombo82
    82°F sea temperature

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The June 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)  |  Imperial (°F)

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More about Sri Lanka

How hot is it in Colombo in June?

Daytime temperatures usually reach 86°F in Colombo in June with high heat and humidity, falling to 77°F at night.

How sunny is it in Colombo in June?

There are normally 6 hours of bright sunshine each day in Colombo in June - that's 50% of daylight hours.

How warm is the sea around Colombo in June?

The average sea temperature around Colombo in June is 82°F.

Does it rain in Colombo in June?

There are usually 15 days with some rain in Colombo in June and the average monthly rainfall is 7.3 inches.

Colombo June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st June 2026 05:53 18:23
Monday, 15th June 2026 05:55 18:27
Tuesday, 30th June 2026 05:59 18:30

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