Missoula vs Lewiston, Idaho Climate
54%matchMissoula vs Lewiston: a 54% climate match. Compared with Missoula, Lewiston has 12°F (7°C) milder winter nights and 7°F (4°C) hotter summer days.
Missoula gets 14 in (344 mm) of rain a year and Lewiston 13 in (318 mm). Missoula's warmest month is August, at 86°F (30°C); Lewiston's is July, at 93°F (34°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
MissoulaLewistonsolid = high, dashed = low
Rain (in per month)
MissoulaLewiston
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Missoula | Lewiston | Missoula | Lewiston | Missoula | Lewiston | |
| Jan | 34°F(1°C) | 42°F(6°C) | 19°F(-7°C) | 31°F(-1°C) | 1.2 in(31 mm) | 1.3 in(32 mm) |
| Feb | 39°F(4°C) | 48°F(9°C) | 20°F(-7°C) | 32°F(0°C) | 0.9 in(24 mm) | 1.1 in(28 mm) |
| Mar | 49°F(9°C) | 57°F(14°C) | 26°F(-3°C) | 37°F(3°C) | 1.0 in(26 mm) | 1.3 in(34 mm) |
| Apr | 58°F(14°C) | 64°F(18°C) | 31°F(0°C) | 41°F(5°C) | 1.2 in(30 mm) | 1.3 in(33 mm) |
| May | 67°F(20°C) | 73°F(23°C) | 39°F(4°C) | 48°F(9°C) | 1.7 in(42 mm) | 1.5 in(37 mm) |
| Jun | 74°F(24°C) | 82°F(28°C) | 46°F(8°C) | 55°F(13°C) | 1.9 in(47 mm) | 1.1 in(27 mm) |
| Jul | 86°F(30°C) | 93°F(34°C) | 51°F(10°C) | 60°F(16°C) | 0.7 in(17 mm) | 0.4 in(10 mm) |
| Aug | 86°F(30°C) | 92°F(33°C) | 48°F(9°C) | 58°F(15°C) | 0.7 in(17 mm) | 0.4 in(11 mm) |
| Sep | 74°F(24°C) | 80°F(27°C) | 41°F(5°C) | 50°F(10°C) | 0.8 in(21 mm) | 0.6 in(15 mm) |
| Oct | 58°F(15°C) | 65°F(18°C) | 32°F(0°C) | 40°F(5°C) | 1.1 in(29 mm) | 1.1 in(27 mm) |
| Nov | 43°F(6°C) | 51°F(10°C) | 26°F(-3°C) | 36°F(2°C) | 1.1 in(28 mm) | 1.3 in(33 mm) |
| Dec | 33°F(1°C) | 42°F(6°C) | 19°F(-7°C) | 30°F(-1°C) | 1.3 in(32 mm) | 1.2 in(31 mm) |
1991–2020 averages, by calendar month.