Sri Lanka weather in June 2026

Expect daytime maximum temperatures of 30°C in 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 186 mm of rainfall in the month.

  • 30°C maximum daytime temperature in June in Sri Lanka (Colombo)30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in June in Sri Lanka (Colombo)15
    15 days with some rainfall
  • 25°C minimum night-time temperature in June in Sri Lanka (Colombo)25
    25°C min night temperature
  • 13 hours of daylight per day in June in Sri Lanka (Colombo)13
    13 hours of daylight per day
  • High heat & humidity in June in Sri Lanka (Colombo)H
    High heat & humidity
  • 186 mm monthly rainfall in June in Sri Lanka (Colombo)186
    186 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Sri Lanka (Colombo)11
    11+ (Extreme) UV index
  • 28°C sea temperature in June in Sri Lanka (Colombo)28
    28°C 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.

Top Sri Lanka destinations

Below are average maximum temperatures at popular countries, regions and places in Sri Lanka in June. Select a holiday destination to see more weather parameters.

All Sri Lanka destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Sri Lanka

How hot is it in Sri Lanka in June?

Daytime temperatures usually reach 30°C in Colombo, Sri Lanka in June with high heat and humidity, falling to 25°C at night.

How sunny is it in Sri Lanka in June?

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

How warm is the sea around Sri Lanka in June?

The average sea temperature around Colombo, Sri Lanka in June is 28°C.

Does it rain in Sri Lanka in June?

There are usually 15 days with some rain in Colombo, Sri Lanka in June and the average monthly rainfall is 186mm.

Sri Lanka June sunrise & sunset times

Browse the sunrise and sunset times for Sri Lanka in June 2026. Select a month to view Sri Lanka sunrise and sunset times for the next 12 months. The Sri Lanka sunrise and sunset times shown below are for Colombo.

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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