Twin Falls vs Helena, Montana Climate
52%matchOn climate, Helena is a 52% match for Twin Falls. Compared with Twin Falls, Helena has three times the summer rain, 10°F (6°C) colder winter nights and less sun.
Twin Falls gets 8.9 in (226 mm) of rain a year and Helena 11 in (271 mm). July is the warmest month in both, with highs of 91°F (33°C) in Twin Falls and 85°F (29°C) in Helena.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
Twin FallsHelenasolid = high, dashed = low
Rain (in per month)
Twin FallsHelena
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Twin Falls | Helena | Twin Falls | Helena | Twin Falls | Helena | |
| Jan | 39°F(4°C) | 31°F(0°C) | 23°F(-5°C) | 12°F(-11°C) | 1.1 in(27 mm) | 0.4 in(11 mm) |
| Feb | 44°F(7°C) | 35°F(2°C) | 25°F(-4°C) | 14°F(-10°C) | 0.7 in(18 mm) | 0.4 in(10 mm) |
| Mar | 55°F(13°C) | 47°F(8°C) | 31°F(0°C) | 24°F(-4°C) | 0.9 in(23 mm) | 0.6 in(14 mm) |
| Apr | 62°F(17°C) | 56°F(13°C) | 36°F(2°C) | 31°F(-1°C) | 0.9 in(23 mm) | 0.9 in(23 mm) |
| May | 71°F(22°C) | 66°F(19°C) | 43°F(6°C) | 40°F(4°C) | 1.1 in(29 mm) | 1.7 in(43 mm) |
| Jun | 81°F(27°C) | 74°F(24°C) | 51°F(10°C) | 47°F(9°C) | 0.7 in(17 mm) | 2.3 in(59 mm) |
| Jul | 91°F(33°C) | 85°F(29°C) | 58°F(14°C) | 53°F(12°C) | 0.2 in(4 mm) | 1.1 in(28 mm) |
| Aug | 89°F(32°C) | 85°F(29°C) | 55°F(13°C) | 51°F(11°C) | 0.2 in(5 mm) | 0.9 in(23 mm) |
| Sep | 79°F(26°C) | 74°F(23°C) | 46°F(8°C) | 43°F(6°C) | 0.5 in(12 mm) | 0.9 in(22 mm) |
| Oct | 65°F(18°C) | 59°F(15°C) | 36°F(2°C) | 33°F(1°C) | 0.7 in(19 mm) | 0.6 in(16 mm) |
| Nov | 50°F(10°C) | 43°F(6°C) | 27°F(-3°C) | 22°F(-5°C) | 0.9 in(22 mm) | 0.4 in(11 mm) |
| Dec | 39°F(4°C) | 31°F(0°C) | 22°F(-6°C) | 13°F(-10°C) | 1.1 in(27 mm) | 0.4 in(11 mm) |
1991–2020 averages, by calendar month.