Sudbury weather by month & the best time to visit
🇨🇦 Canada · regional city · continental climate
The best time to visit Sudbury is June — its sunniest month (Sunshine Score 75/100), with July and August close behind. Sudbury averages about 1,989 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 83 mm of rain in June.
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- Sun hours / year
- 1,989
- Sunniest month
- June
- Peak score
- 75/100
- Rain / year
- 847 mm
- Snow / year
- ≈3 m
- Midday UV at peak
- 6 (high)
- Population
- 166k
- Elevation
- 346 m
When is the best time to visit Sudbury?
For sunshine, the best time to visit Sudbury is June, then July and August. The dullest month is January (0/100, 52 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sudbury?
Sudbury gets a moderate 1,989 hours of sunshine a year. 75 Sunshine Score points separate June (75) from January (0), so the month you pick matters. It ranks #131 of 242 destinations in Canada for annual sunshine, below the national median of 2,024 hours. The year's 847 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -8° / 18°F | -18° / 0°F | 52 mm | 1 |
| February | 0 | -7° / 19°F | -18° / 0°F | 46 mm | 1 |
| March | 0 | -1° / 30°F | -12° / 10°F | 52 mm | 3 |
| April | 0 | 8° / 46°F | -3° / 27°F | 70 mm | 4 |
| May | 51 | 16° / 61°F | 4° / 39°F | 78 mm | 5 |
| June | 75 | 21° / 70°F | 10° / 50°F | 83 mm | 6 |
| July | 75 | 24° / 75°F | 13° / 55°F | 82 mm | 6 |
| August | 75 | 23° / 73°F | 12° / 54°F | 82 mm | 5 |
| September | 69 | 19° / 66°F | 8° / 46°F | 82 mm | 4 |
| October | 18 | 11° / 52°F | 1° / 34°F | 90 mm | 2 |
| November | 0 | 3° / 37°F | -4° / 25°F | 69 mm | 1 |
| December | 0 | -4° / 25°F | -12° / 10°F | 61 mm | 0 |
See Sudbury on the interactive sunshine globe →
Nearby places for sunshine
- Toronto Canada · 340 km · best in Aug · 1,957 h sun/yr
- Waterloo (Ontario) Canada · 353 km · best in Aug · 2,026 h sun/yr
- Ottawa Canada · 422 km · best in Sep · 2,034 h sun/yr
- Traverse City United States · 426 km · best in Jul · 1,987 h sun/yr
- Buffalo United States · 441 km · best in Aug · 1,831 h sun/yr
- Rochester United States · 461 km · best in May · 1,838 h sun/yr
Nearest destinations
- North Bay Canada · 109 km · 1,917 h sun/yr · best in Aug
- Wiarton Canada · 210 km · 1,795 h sun/yr · best in Jul
- Gravenhurst Canada · 217 km · 1,982 h sun/yr · best in Jul
- Timmins Canada · 221 km · 1,979 h sun/yr · best in Aug
- Rouyn-Noranda Canada · 230 km · 1,878 h sun/yr · best in Jun
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