Thunder Bay vs Sept-Îles Climate
84%matchOn climate, Sept-Îles is a 84% match for Thunder Bay. Compared with Thunder Bay, Sept-Îles has the same winter lows, twice the winter rain and 8°F (4°C) cooler summer days.
Thunder Bay gets 28 in (718 mm) of rain a year and Sept-Îles 45 in (1133 mm). July is the warmest month in both, with highs of 78°F (26°C) in Thunder Bay and 70°F (21°C) in Sept-Îles.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
Thunder BaySept-Îlessolid = high, dashed = low
Rain (in per month)
Thunder BaySept-Îles
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Thunder Bay | Sept-Îles | Thunder Bay | Sept-Îles | Thunder Bay | Sept-Îles | |
| Jan | 19°F(-7°C) | 18°F(-8°C) | -1°F(-18°C) | -1°F(-18°C) | 1.3 in(33 mm) | 3.0 in(75 mm) |
| Feb | 23°F(-5°C) | 20°F(-6°C) | 0°F(-18°C) | 1°F(-17°C) | 1.0 in(26 mm) | 2.6 in(66 mm) |
| Mar | 35°F(1°C) | 30°F(-1°C) | 13°F(-11°C) | 11°F(-11°C) | 1.5 in(37 mm) | 3.3 in(84 mm) |
| Apr | 48°F(9°C) | 41°F(5°C) | 26°F(-3°C) | 26°F(-3°C) | 2.2 in(55 mm) | 3.2 in(81 mm) |
| May | 62°F(17°C) | 54°F(12°C) | 39°F(4°C) | 38°F(3°C) | 3.1 in(80 mm) | 3.8 in(96 mm) |
| Jun | 72°F(22°C) | 64°F(18°C) | 48°F(9°C) | 47°F(8°C) | 3.1 in(79 mm) | 3.8 in(96 mm) |
| Jul | 78°F(26°C) | 70°F(21°C) | 54°F(12°C) | 54°F(12°C) | 3.6 in(91 mm) | 4.2 in(106 mm) |
| Aug | 76°F(25°C) | 69°F(21°C) | 53°F(12°C) | 53°F(12°C) | 3.0 in(77 mm) | 3.8 in(96 mm) |
| Sep | 66°F(19°C) | 61°F(16°C) | 45°F(7°C) | 44°F(7°C) | 3.1 in(80 mm) | 4.3 in(108 mm) |
| Oct | 52°F(11°C) | 49°F(9°C) | 35°F(2°C) | 35°F(1°C) | 2.6 in(67 mm) | 5.0 in(128 mm) |
| Nov | 37°F(3°C) | 37°F(3°C) | 22°F(-6°C) | 24°F(-5°C) | 2.0 in(50 mm) | 3.9 in(99 mm) |
| Dec | 24°F(-4°C) | 26°F(-3°C) | 7°F(-14°C) | 9°F(-13°C) | 1.7 in(43 mm) | 3.9 in(98 mm) |
1991–2020 averages, by calendar month.