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Colombo weather in June 2025
Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Colombo in June. Check more long-term weather averages for Colombo in June before you book your next holiday to Sri Lanka in 2025/2026.
- 3030°C max day temperature
- 6 hours of sunshine per day
- 1515 days with some rainfall
- 2525°C min night temperature
- 1313 hours of daylight per day
- HHigh heat & humidity
- 186186 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2828°C sea temperature
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Recommended for Sri Lanka
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 / mm) | Imperial (°F / inches)
More about Sri Lanka
How hot is it in Colombo in June?
Daytime temperatures usually reach 30°C in Colombo in June with high heat and humidity, falling to 25°C 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 28°C.
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 186mm.
Colombo June sunrise & sunset times
Browse the sunrise and sunset times for Colombo in June 2025. Select a month to view Colombo sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Sunday, 1st June 2025 | 05:53 | 18:23 |
Sunday, 15th June 2025 | 05:55 | 18:27 |
Monday, 30th June 2025 | 05:59 | 18:30 |
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