Monthly climate guide
Bozeman weather in August
August in Bozeman is typically warm, with average daytime highs around 25°C (77°F) and night-time lows near 9°C (48°F). The month usually brings about 33 mm of rain (fairly dry) and is a mix of sun and cloud. Daytime highs are about the same as July and 6°C warmer than September.
What stands out in August
- It cools down fast from here: September is about 6°C cooler.
- Just 550 km apart, but Bozeman runs about 5°C cooler than Salt Lake City this month.
- Only one month is warmer in Bozeman than August.
- Expect a big gap between day and night — about 16°C.
It's usually the driest month of the year.
Avg high
25°C
77°F
Avg low
9°C
48°F
Rainfall
33 mm
fairly dry
Humidity
52%
relative
Sky
42%
cloud · a mix of sun and cloud
Bozeman weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | -4°C / 26°F | -13°C / 8°F | 48 mm | 95% | 70% |
| February | -3°C / 26°F | -13°C / 8°F | 57 mm | 93% | 72% |
| March | 2°C / 36°F | -8°C / 17°F | 59 mm | 85% | 72% |
| April | 7°C / 45°F | -4°C / 24°F | 81 mm | 75% | 72% |
| May | 13°C / 56°F | 0°C / 32°F | 85 mm | 72% | 71% |
| June | 19°C / 66°F | 5°C / 41°F | 73 mm | 66% | 57% |
| July | 25°C / 77°F | 10°C / 49°F | 37 mm | 57% | 40% |
| August | 25°C / 77°F | 9°C / 48°F | 33 mm | 52% | 42% |
| September | 19°C / 66°F | 4°C / 40°F | 51 mm | 57% | 48% |
| October | 10°C / 49°F | -2°C / 28°F | 55 mm | 68% | 63% |
| November | 2°C / 35°F | -8°C / 18°F | 53 mm | 79% | 69% |
| December | -4°C / 25°F | -13°C / 8°F | 51 mm | 90% | 70% |
What to pack for August
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
Is August a good time to visit Bozeman?
Compare the months in the chart above to find your ideal window.
Best time to visit Bozeman →Other United States cities in August
Cite or embed this data
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Bozeman weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/bozeman/august
<a href="https://weathercompare.eu/weather/usa/bozeman/august">Bozeman weather in August</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/usa/bozeman" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Bozeman weather in August"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/usa/bozeman/august">Bozeman weather in August</a> – WeatherCompare</p>
Bozeman in August: quick answers
Is August a good time to visit Bozeman?
Yes. August is one of the best months for Bozeman, with highs around 25°C and about 33 mm of rain.
How warm is Bozeman in August?
Average highs are about 25°C (77°F) and average lows about 9°C (48°F), based on 10 years of daily data.
Does it rain a lot in Bozeman in August?
Bozeman typically gets around 33 mm of rain in August — fairly dry. It's usually the driest month of the year.
Figures are long-term averages for the area around Bozeman (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.