Greater Sudbury vs Thunder Bay Climate
87%matchGreater Sudbury vs Thunder Bay: a 87% climate match. Very close: temperatures within 3°F (2°C), with similar rain, humidity and sun.
Greater Sudbury gets 33 in (847 mm) of rain a year and Thunder Bay 28 in (718 mm). July is the warmest month in both, with highs of 81°F (27°C) in Greater Sudbury and 78°F (26°C) in Thunder Bay.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
Greater SudburyThunder Baysolid = high, dashed = low
Rain (in per month)
Greater SudburyThunder Bay
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Greater Sudbury | Thunder Bay | Greater Sudbury | Thunder Bay | Greater Sudbury | Thunder Bay | |
| Jan | 20°F(-7°C) | 19°F(-7°C) | 1°F(-17°C) | -1°F(-18°C) | 1.8 in(46 mm) | 1.3 in(33 mm) |
| Feb | 24°F(-5°C) | 23°F(-5°C) | 2°F(-17°C) | 0°F(-18°C) | 1.7 in(43 mm) | 1.0 in(26 mm) |
| Mar | 35°F(2°C) | 35°F(1°C) | 13°F(-11°C) | 13°F(-11°C) | 1.7 in(42 mm) | 1.5 in(37 mm) |
| Apr | 49°F(10°C) | 48°F(9°C) | 29°F(-2°C) | 26°F(-3°C) | 2.3 in(58 mm) | 2.2 in(55 mm) |
| May | 65°F(18°C) | 62°F(17°C) | 42°F(6°C) | 39°F(4°C) | 3.1 in(78 mm) | 3.1 in(80 mm) |
| Jun | 76°F(25°C) | 72°F(22°C) | 53°F(12°C) | 48°F(9°C) | 3.2 in(82 mm) | 3.1 in(79 mm) |
| Jul | 81°F(27°C) | 78°F(26°C) | 58°F(14°C) | 54°F(12°C) | 3.0 in(76 mm) | 3.6 in(91 mm) |
| Aug | 78°F(26°C) | 76°F(25°C) | 56°F(13°C) | 53°F(12°C) | 3.5 in(89 mm) | 3.0 in(77 mm) |
| Sep | 69°F(20°C) | 66°F(19°C) | 48°F(9°C) | 45°F(7°C) | 4.2 in(106 mm) | 3.1 in(80 mm) |
| Oct | 54°F(12°C) | 52°F(11°C) | 37°F(3°C) | 35°F(2°C) | 3.9 in(99 mm) | 2.6 in(67 mm) |
| Nov | 40°F(4°C) | 37°F(3°C) | 26°F(-3°C) | 22°F(-6°C) | 2.8 in(72 mm) | 2.0 in(50 mm) |
| Dec | 26°F(-3°C) | 24°F(-4°C) | 12°F(-11°C) | 7°F(-14°C) | 2.2 in(56 mm) | 1.7 in(43 mm) |
1991–2020 averages, by calendar month.