Trois-Rivières vs Thunder Bay Climate
87%matchOn climate, Thunder Bay is a 87% match for Trois-Rivières. Compared with Trois-Rivières, Thunder Bay has the same summer highs, half the winter rain and 5°F (3°C) colder winter nights.
Trois-Rivières gets 42 in (1079 mm) of rain a year and Thunder Bay 28 in (718 mm). July is the warmest month in both, with highs of 79°F (26°C) in Trois-Rivières 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)
Trois-RivièresThunder Baysolid = high, dashed = low
Rain (in per month)
Trois-RivièresThunder Bay
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Trois-Rivières | Thunder Bay | Trois-Rivières | Thunder Bay | Trois-Rivières | Thunder Bay | |
| Jan | 20°F(-6°C) | 19°F(-7°C) | 2°F(-16°C) | -1°F(-18°C) | 2.6 in(67 mm) | 1.3 in(33 mm) |
| Feb | 23°F(-5°C) | 23°F(-5°C) | 3°F(-16°C) | 0°F(-18°C) | 2.3 in(58 mm) | 1.0 in(26 mm) |
| Mar | 34°F(1°C) | 35°F(1°C) | 15°F(-9°C) | 13°F(-11°C) | 3.0 in(76 mm) | 1.5 in(37 mm) |
| Apr | 48°F(9°C) | 48°F(9°C) | 31°F(-1°C) | 26°F(-3°C) | 3.4 in(87 mm) | 2.2 in(55 mm) |
| May | 65°F(18°C) | 62°F(17°C) | 43°F(6°C) | 39°F(4°C) | 3.5 in(90 mm) | 3.1 in(80 mm) |
| Jun | 74°F(23°C) | 72°F(22°C) | 53°F(12°C) | 48°F(9°C) | 4.2 in(106 mm) | 3.1 in(79 mm) |
| Jul | 79°F(26°C) | 78°F(26°C) | 59°F(15°C) | 54°F(12°C) | 4.3 in(108 mm) | 3.6 in(91 mm) |
| Aug | 78°F(26°C) | 76°F(25°C) | 58°F(14°C) | 53°F(12°C) | 4.4 in(112 mm) | 3.0 in(77 mm) |
| Sep | 69°F(21°C) | 66°F(19°C) | 50°F(10°C) | 45°F(7°C) | 3.5 in(89 mm) | 3.1 in(80 mm) |
| Oct | 55°F(13°C) | 52°F(11°C) | 39°F(4°C) | 35°F(2°C) | 4.4 in(111 mm) | 2.6 in(67 mm) |
| Nov | 42°F(6°C) | 37°F(3°C) | 29°F(-2°C) | 22°F(-6°C) | 3.3 in(84 mm) | 2.0 in(50 mm) |
| Dec | 29°F(-1°C) | 24°F(-4°C) | 15°F(-9°C) | 7°F(-14°C) | 3.6 in(91 mm) | 1.7 in(43 mm) |
1991–2020 averages, by calendar month.