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Ontario weather in June 2025
Expect 24°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Ontario in June. Check more long-term weather averages for Ontario in June before you book your next holiday to Ontario in 2025/2026.
- 2424°C max day temperature
- 9 hours of sunshine per day
- 1010 days with some rainfall
- 1313°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 6969 mm of monthly rainfall
- 88 (Very High) UV index
- 1313°C sea temperature
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Recommended for Ontario
The June weather guide for Ontario (Toronto) 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 Ontario destinations
Below are average maximum temperatures at popular countries, regions and places in Ontario in June. Select a holiday destination to see more weather parameters.
All Ontario destinations
- Hamilton
- Kenora
- Kingston
- Moosonee
- Niagara Falls
- North Bay
- Ottawa
- Peawanuk
- Sault Ste. Marie
- Sudbury
- Thunder Bay
- Timmins
- Toronto
- Windsor
Metric (°C / mm) | Imperial (°F / inches)
More about Canada
How hot is it in Ontario in June?
Daytime temperatures usually reach 24°C in Toronto, Ontario in June, falling to 13°C at night.
How sunny is it in Ontario in June?
There are normally 9 hours of bright sunshine each day in Toronto, Ontario in June - that's 55% of daylight hours.
How warm is the sea around Ontario in June?
The average sea temperature around Toronto, Ontario in June is 13°C.
Does it rain in Ontario in June?
There are usually 10 days with some rain in Toronto, Ontario in June and the average monthly rainfall is 69mm.
Ontario June sunrise & sunset times
Browse the sunrise and sunset times for Ontario in June 2025. Select a month to view Ontario sunrise and sunset times for the next 12 months. The Ontario sunrise and sunset times shown below are for Toronto.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Sunday, 1st June 2025 | 04:39 | 19:53 |
Sunday, 15th June 2025 | 04:35 | 20:01 |
Monday, 30th June 2025 | 04:40 | 20:03 |
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