Bozeman weather by month
Average highs run from 34°F in January to 82°F in July, and January nights average 15°F. It gets 20 inches of rain and melted snow a year and 91 inches of snow. Nights drop below freezing about 178 times a year. The most comfortable months are June to September.
Best time to visit Bozeman
For comfortable weather, go in June to September. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 34°F | 15°F | 0.9 in | 12.7 in | 3 | 0 | 30 | cold |
| February | 37°F | 17°F | 0.8 in | 13.0 in | 3 | 0 | 26 | cold |
| March | 46°F | 24°F | 1.4 in | 13.1 in | 5 | 0 | 25 | cold |
| April | 55°F | 31°F | 2.5 in | 12.9 in | 7 | 0 | 19 | cool |
| May | 63°F | 39°F | 2.9 in | 3.6 in | 8 | 0 | 6 | mild days, chilly nights |
| June | 72°F | 46°F | 3.3 in | 0.8 in | 8 | 1 | 1 | mild |
| July | 82°F | 52°F | 1.3 in | 0.0 in | 4 | 6 | 0 | warm |
| August | 81°F | 50°F | 1.3 in | 0.1 in | 4 | 5 | 0 | warm |
| September | 71°F | 42°F | 1.4 in | 0.4 in | 4 | 1 | 2 | mild |
| October | 57°F | 32°F | 1.8 in | 6.0 in | 5 | 0 | 15 | cool |
| November | 42°F | 22°F | 1.3 in | 12.5 in | 4 | 0 | 25 | cold |
| December | 33°F | 15°F | 1.0 in | 16.2 in | 4 | 0 | 29 | very cold |
| Year | 56°F avg | 32°F avg | 20.0 in | 91.3 in | 58 | 12 | 178 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Bozeman Montana State University, MT (USC00241044), 0.4 miles from the city center. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Bozeman
The shortest day is December 21, with 8h 40m of daylight; the longest is June 21, with 15h 42m. The earliest sunset comes around December 7 (4:39 pm) and the latest around June 21 (9:17 pm). The sun sets after 8 pm on 148 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:01 am | 5:06 pm | 9h 05m |
| February | 7:26 am | 5:51 pm | 10h 25m |
| March | 7:36 am | 7:30 pm | 11h 53m |
| April | 6:38 am | 8:10 pm | 13h 32m |
| May | 5:53 am | 8:48 pm | 14h 55m |
| June | 5:34 am | 9:15 pm | 15h 41m |
| July | 5:49 am | 9:10 pm | 15h 20m |
| August | 6:24 am | 8:31 pm | 14h 06m |
| September | 7:03 am | 7:34 pm | 12h 32m |
| October | 7:41 am | 6:37 pm | 10h 57m |
| November | 7:24 am | 4:52 pm | 9h 29m |
| December | 7:58 am | 4:40 pm | 8h 42m |
Calculated for 2026 at the center of Bozeman with NOAA's solar equations, in local clock time (Mountain Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Bozeman getting warmer?
The last 10 years averaged 2.0°F warmer than the 20th century. See the climate stripes for Bozeman.Frequently asked questions
What is the warmest month in Bozeman?
July is the warmest month, with an average high of 82°F and an average low of 52°F (NOAA 1991-2020 normals).
What is the coldest month in Bozeman?
December is the coldest, with average lows of 15°F and highs of 33°F.
What is the rainiest month in Bozeman?
June gets the most precipitation, 3.3 inches on average. February is the driest at 0.8 inches.
Does it snow in Bozeman?
Yes. Bozeman averages 91 inches of snow a year.
When is the best time to visit Bozeman?
For comfortable weather, June to September. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Bozeman?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Bozeman profile.
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