Sunshine Atlas

Sudbury weather by month & the best time to visit

Canada · regional city · continental climate

Sudbury, Canada
Sudbury — photo by P199, CC BY-SA 4.0 via Wikimedia Commons

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.

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

January: 0February: 0March: 0April: 0May: 51June: 7575July: 75August: 75September: 69October: 18November: 0December: 0JFMAMJJASOND
MonthScoreDay highNight lowRainUV
January0 -8° / 18°F-18° / 0°F 52 mm1
February0 -7° / 19°F-18° / 0°F 46 mm1
March0 -1° / 30°F-12° / 10°F 52 mm3
April0 8° / 46°F-3° / 27°F 70 mm4
May51 16° / 61°F4° / 39°F 78 mm5
June75 21° / 70°F10° / 50°F 83 mm6
July75 24° / 75°F13° / 55°F 82 mm6
August75 23° / 73°F12° / 54°F 82 mm5
September69 19° / 66°F8° / 46°F 82 mm4
October18 11° / 52°F1° / 34°F 90 mm2
November0 3° / 37°F-4° / 25°F 69 mm1
December0 -4° / 25°F-12° / 10°F 61 mm0

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Sudbury: questions and answers

What kind of destination is Sudbury?

Sudbury is a regional city in Canada at 346 m elevation with a continental climate.

How many hours of sunshine does Sudbury get a year?

Sudbury gets about 1,989 hours of sunshine a year, at its best around June.

When is the best time to visit Sudbury?

The sunniest time to visit Sudbury is June, when the Sunshine Score peaks at 75/100 (with July and August close behind). Expect daytime highs around 21°C / 70°F.

What is the least sunny month in Sudbury?

January is the least sunny month in Sudbury, scoring 0/100 with about 52 mm of rain.

How strong is the sun in Sudbury?

The typical midday UV index in Sudbury peaks around 6 (high) in June, easing to about 0 (low) in December. Month-by-month midday UV values are in the UV column of the table on this page.

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