Greater Sudbury Weather in June
What's the weather like in Greater Sudbury (Ontario) in June 2025?
The climate in Greater Sudbury during June can be summarized as mild and reasonably dry.
June is in the summer in Greater Sudbury and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 22°C (72°F), whilst at night 10°C (51°F) is normal.
| Daytime temperature | 22.2°C 71.9°F |
|---|---|
| Nightly temperature | 10.3°C 50.5°F |
| Average temperature | 16.2°C 61.2°F |
| Daily sunshine | 8.8 hrs |
| Avg rainfall | 70 mm 2.7 ins |
| Rainy days | 11 days |
| Sea temperature | 8.9°C 48°F |
| Humidity | 68% |
| Windspeed | 15.8kph 10 mph |
On average June is the 4th wettest month of the year in Greater Sudbury with around 70mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.8 hours of sunshine per day.
June temperatures in Greater Sudbury
June rainfall
June hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Greater Sudbury in June 2025.
Other monthly averages
Greater Sudbury weather stats
| Hottest month: | July | 24.8°C 76.6°F |
|---|---|---|
| Driest month: | February | 49mm 1.9ins |
| Sunniest month: | July | 10hrs |
| Coldest month: | January | -7.5°C 18.5°F |
| Wettest month: | September | 97mm 3.8ins |
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