Last updated: June 18, 2025
In Greater Sudbury, Canada, the average temperature in June is a pleasant 17°C (62°F). However, temperatures can vary significantly, with minimums dropping to 2°C (37°F) and maximums soaring up to 32°C (90°F). Expect average humidity around 69%, and don't forget your umbrella—there's an average precipitation of 96 mm (3.8 in) over 11 days!
In June in Greater Sudbury, the average temperature is 17°C (62°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop to as low as 2°C (37°F). Be sure to pack layers to accommodate the varying temperatures during your travels.
In Greater Sudbury in June, the precipitation amount is 96 mm (3.8 in) spread over 11 days, resulting in a significant accumulation of rainfall.
In Greater Sudbury in June, humidity is 69%. With an average temperature of 17°C (62°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air hangs heavy around you, causing you to sweat slightly more than usual and prompting a desire for refreshing breaks in shaded areas.
In Greater Sudbury in June, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Greater Sudbury.
UV Risk Categories
Weather in Greater Sudbury varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Greater Sudbury, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (13°F) | 45 mm (1.8 inches) | 96% | low |
| February Weather | -10°C (14°F) | 60 mm (2.4 inches) | 95% | moderate |
| March Weather | -5°C (24°F) | 51 mm (2.0 inches) | 89% | moderate |
| April Weather | 3°C (38°F) | 83 mm (3.3 inches) | 87% | high |
| May Weather | 11°C (53°F) | 82 mm (3.2 inches) | 73% | very high |
| June Weather | 17°C (62°F) | 96 mm (3.8 inches) | 69% | very high |
| July Weather | 20°C (68°F) | 94 mm (3.7 inches) | 66% | very high |
| August Weather | 18°C (65°F) | 96 mm (3.8 inches) | 71% | very high |
| September Weather | 14°C (57°F) | 90 mm (3.6 inches) | 76% | high |
| October Weather | 7°C (45°F) | 124 mm (4.9 inches) | 85% | moderate |
| November Weather | -2°C (29°F) | 81 mm (3.2 inches) | 89% | moderate |
| December Weather | -8°C (18°F) | 65 mm (2.5 inches) | 93% | low |