Climate
Bozeman weather by month
Average highs, lows, rain and snow for every month, from 30 years of weather records.
Average temperatures
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Best time to visit: July, August, September, when highs are mild and rain is lightest.
Month by month
| Month | High | Low | Rain | Snow | Wet days |
|---|---|---|---|---|---|
| January | 34°F | 15°F | 0.90 in | 12.7 in | 11 |
| February | 37°F | 17°F | 0.80 in | 13.0 in | 10 |
| March | 46°F | 24°F | 1.4 in | 13.1 in | 12 |
| April | 55°F | 31°F | 2.5 in | 12.9 in | 14 |
| May | 63°F | 39°F | 2.9 in | 3.6 in | 15 |
| June | 72°F | 46°F | 3.3 in | 0.80 in | 15 |
| July | 82°F | 52°F | 1.3 in | 0.00 in | 10 |
| August | 81°F | 50°F | 1.3 in | 0.10 in | 10 |
| September | 71°F | 42°F | 1.4 in | 0.40 in | 9 |
| October | 57°F | 32°F | 1.8 in | 6.0 in | 11 |
| November | 42°F | 22°F | 1.2 in | 12.5 in | 10 |
| December | 33°F | 15°F | 1.0 in | 16.2 in | 11 |
NOAA U.S. Climate Normals 1991–2020, Bozeman Montana State Univ, Mt Us (1.3 mi away, 4,913 ft). Wet days: days with at least 0.01 in of precipitation.
Questions
What is the hottest month in Bozeman?
July, with an average high of 82°F and low of 52°F.
What is the coldest month in Bozeman?
December, with an average low of 15°F and high of 33°F.
When does it rain most in Bozeman?
June is the wettest month, averaging 3.3 in of precipitation; the year totals about 19.8 inches.
Does it snow in Bozeman?
Yes. Snowfall averages about 91 inches a year, mostly in December and March.
What is the best time to visit Bozeman?
For mild weather (highs between 65°F and 85°F) with the least rain, July, August, September.
Where do these numbers come from?
NOAA’s 1991–2020 U.S. Climate Normals for the Bozeman Montana State Univ weather station, 1.3 miles from downtown: 30-year averages, not a forecast.