Bozeman Climate by Month
Bozeman, Montana, United States
Hot summers and freezing winters, with rain spread through the year.
Hot summers and freezing winters, with rain spread through the year: that's Bozeman's climate in short. Expect highs of 86°F (30°C) in July and 34°F (1°C) in January, with the coldest nights (December) near 14°F (-10°C). It gets 17 in (433 mm) of rain a year, spread across the months.
- Warmest month
- 86°F(30°C)
- Average high, July
- Coldest nights
- 14°F(-10°C)
- Average low, December
- Rain per year
- 17 in(433 mm)
- No clear rainy season
- Humidity
- 53%
- Sunniest: July
Best and worst months in Bozeman
Best for weatherThe most comfortable weather comes in June and September, with highs around 75°F (24°C) and about 2.2 in (55 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 34°F (1°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Bozeman weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 34°F(1°C) | 14°F(-10°C) | 0.6 in(16 mm) | 68% | 1.5 |
| FebFebruary | 38°F(3°C) | 17°F(-8°C) | 0.7 in(18 mm) | 60% | 2.4 |
| MarMarch | 47°F(8°C) | 24°F(-5°C) | 1.1 in(28 mm) | 58% | 3.7 |
| AprApril | 55°F(13°C) | 30°F(-1°C) | 1.9 in(49 mm) | 53% | 4.6 |
| MayMay | 66°F(19°C) | 39°F(4°C) | 2.9 in(74 mm) | 52% | 5.7 |
| JunJuneBest | 75°F(24°C) | 47°F(8°C) | 2.9 in(73 mm) | 49% | 6.2 |
| JulJuly | 86°F(30°C) | 53°F(12°C) | 1.2 in(30 mm) | 41% | 7.0 |
| AugAugust | 86°F(30°C) | 51°F(11°C) | 1.1 in(27 mm) | 38% | 6.0 |
| SepSeptemberBest | 75°F(24°C) | 43°F(6°C) | 1.5 in(37 mm) | 41% | 4.4 |
| OctOctober | 58°F(15°C) | 33°F(0°C) | 1.6 in(40 mm) | 48% | 2.7 |
| NovNovember | 43°F(6°C) | 22°F(-6°C) | 0.9 in(24 mm) | 64% | 1.7 |
| DecDecember | 34°F(1°C) | 14°F(-10°C) | 0.7 in(17 mm) | 69% | 1.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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