Bozeman, MT Climate & Monthly Averages
The climate of Bozeman
Bozeman has a humid continental climate, marked by warm summers and cold, often snowy winters. Average daytime highs range from about 32°F (0°C) in February to around 81°F (27°C) in July, and the city records roughly 106 days of measurable precipitation a year.
Climate quick facts
- Hottest month: July - highs near 81°F (27°C)
- Coldest month: February - highs near 32°F (0°C)
- Record high: 96°F (36°C) · Record low: -34°F (-36°C) (2015–2024)
- Wettest month: May (12 rainy days) · Sunniest: July (14.2 h sun/day)
- Climate type: humid continental - warm summers and cold, often snowy winters
- Snow: about 43 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 81°F (27°C) and overnight lows stay near 54°F (12°C). The coolest month is February, with typical highs of 32°F (0°C) and lows around 13°F (-10°C). Based on 2015–2024 weather data, temperatures have reached as high as 96°F (36°C) and dropped as low as -34°F (-36°C).
Rain, sun and snow
May is usually the wettest month. It brings about 3.0 inches (77 mm) of rain over 12 days, while August is the driest. July brings the most sunshine, averaging 14.2 hours of sun a day. Snow falls on about 43 days in a typical year, mostly from October through May.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 33° | 15° | 8 | 1.1 in | 6.9 h/day | 66% |
| February | 32° | 13° | 10 | 1.7 in | 7.5 h/day | 66% |
| March | 42° | 22° | 10 | 1.7 in | 9.3 h/day | 64% |
| April | 51° | 28° | 13 | 2.8 in | 10.3 h/day | 63% |
| May | 60° | 38° | 12 | 3.0 in | 11.6 h/day | 64% |
| June | 72° | 47° | 10 | 2.5 in | 12.9 h/day | 58% |
| July | 81° | 54° | 4 | 0.8 in | 14.2 h/day | 48% |
| August | 80° | 53° | 4 | 0.8 in | 12.4 h/day | 48% |
| September | 70° | 45° | 8 | 1.9 in | 10.5 h/day | 56% |
| October | 54° | 33° | 10 | 2.3 in | 8.6 h/day | 64% |
| November | 40° | 21° | 9 | 1.5 in | 7.0 h/day | 66% |
| December | 33° | 15° | 8 | 1.3 in | 6.1 h/day | 64% |
Bozeman month by month
Bozeman weather in January
January brings highs around 33°F (0°C), lows near 15°F (-10°C), about 8 wet days and roughly 5 snowy days.
Bozeman weather in February
February brings highs around 32°F (0°C), lows near 13°F (-10°C), about 10 wet days and roughly 7 snowy days - typically the coldest month of the year in Bozeman.
Bozeman weather in March
March brings highs around 42°F (6°C), lows near 22°F (-6°C), about 10 wet days and roughly 6 snowy days.
Bozeman weather in April
April brings highs around 51°F (10°C), lows near 28°F (-2°C), about 13 wet days and roughly 6 snowy days.
Bozeman weather in May
May brings highs around 60°F (16°C), lows near 38°F (3°C), about 12 wet days and roughly 2 snowy days - typically the wettest month of the year in Bozeman.
Bozeman weather in June
June brings highs around 72°F (22°C), lows near 47°F (8°C), about 10 wet days.
Bozeman weather in July
July brings highs around 81°F (27°C), lows near 54°F (12°C), about 4 wet days - typically the hottest month and the sunniest month of the year in Bozeman.
Bozeman weather in August
August brings highs around 80°F (26°C), lows near 53°F (12°C), about 4 wet days - typically the driest month of the year in Bozeman.
Bozeman weather in September
September brings highs around 70°F (21°C), lows near 45°F (7°C), about 8 wet days.
Bozeman weather in October
October brings highs around 54°F (12°C), lows near 33°F (1°C), about 10 wet days and roughly 3 snowy days.
Bozeman weather in November
November brings highs around 40°F (5°C), lows near 21°F (-6°C), about 9 wet days and roughly 6 snowy days.
Bozeman weather in December
December brings highs around 33°F (0°C), lows near 15°F (-9°C), about 8 wet days and roughly 7 snowy days.
Seasons in Bozeman
Spring (March through May)
Spring in Bozeman is chilly, with daytime highs averaging 51°F (10°C) and nights around 29°F (-2°C); expect showers on roughly 35 days across the season, plus around 14 snowy days.
Summer (June through August)
Summer in Bozeman brings comfortable warmth, with daytime highs averaging 77°F (25°C) and nights around 51°F (11°C); expect showers on roughly 18 days across the season.
Fall (September through November)
Fall in Bozeman is mild, with daytime highs averaging 55°F (13°C) and nights around 33°F (1°C); expect showers on roughly 27 days across the season, plus around 9 snowy days.
Winter (December through February)
Winter in Bozeman is frigid, with daytime highs averaging 32°F (0°C) and nights around 14°F (-10°C); expect showers on roughly 26 days across the season, plus around 19 snowy days. Wind makes those temperatures feel harsher than they sound - pair the forecast winds with the wind speed converter to judge conditions on exposed skin.
Climate questions, answered
What is the average temperature in Bozeman?
Is Bozeman hot in summer?
Is Bozeman cold in winter?
How many rainy days does Bozeman get in a year?
Best time to visit Bozeman
The best time to visit Bozeman is generally May to September, when this window offers the warmest, brightest days of the year. Daytime temperatures in that window typically sit near 72°F (22°C).
Pack for Bozeman with a heavy insulated coat, hat and gloves for winter; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 54°F (12°C).
Bozeman temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.