Bozeman, United States experiences average highs of 12°C (54°F) and lows of -1°C (30°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have stayed broadly stable across the available records.
Bozeman, United States Weather & Climate 2026
Monthly climate averages for Bozeman, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Feb–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.3/10
Best: July, August, September
UV Index
5
Low
Temperature 12°C / -1°C
Feels Like 10°C / -4°C
Rainy Days 11
Rainfall 57 mm
Sunshine 10 h
Humidity 69%
Wind Speed 12 km/h
Dew Point 0°C
Snow Days 10 days
Frost Days 21 days
Hottest Month
28°C
July
Avg Low12°C
Rain8days
Coldest Month
-12°C
January
Avg High-1°C
Rain8days
Driest Month
8days
January
Avg High-1°C
Avg Low-12°C
Windiest Month
14 km/h
June (Gusts 42)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures.
Sun Position
Sunrise 05:35
Daylight 15.7h
Sunset 21:17
Live conditions—
Bozeman on the map · live conditions
Bozeman, United States
- Continent
- Americas
- Country
- United States
- City
- Bozeman
- Population
- 43.4K
- Elevation
- 1,468 m
- Coordinates
- 45.68°, -111.04°
Seasonal Breakdown
Spring
Mar–May
Avg High 10°C
Avg Low -2°C
Rain 13 days/mo
Summer
Jun–Aug
Avg High 26°C
Avg Low 10°C
Rain 10 days/mo
2/3 best months
Autumn
Sep–Nov
Avg High 14°C
Avg Low 0°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 0°C
Avg Low -11°C
Rain 10 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: -1°C / -12°C . Feb: 0°C / -11°C . Mar: 5°C / -7°C . Apr: 10°C / -3°C . May: 16°C / 3°C . Jun: 23°C / 8°C . Jul: 28°C / 12°C . Aug: 27°C / 12°C . Sep: 22°C / 7°C . Oct: 13°C / 0°C . Nov: 5°C / -6°C . Dec: 0°C / -11°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 31 mm. Feb: 47 mm. Mar: 48 mm. Apr: 77 mm. May: 107 mm. Jun: 91 mm. Jul: 35 mm. Aug: 40 mm. Sep: 61 mm. Oct: 69 mm. Nov: 39 mm. Dec: 37 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 77%. Feb: 74%. Mar: 74%. Apr: 71%. May: 71%. Jun: 66%. Jul: 56%. Aug: 53%. Sep: 61%. Oct: 69%. Nov: 74%. Dec: 76%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 10 km/h . Feb: 12 km/h . Mar: 12 km/h . Apr: 14 km/h . May: 14 km/h . Jun: 14 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 12 km/h . Oct: 13 km/h . Nov: 11 km/h . Dec: 11 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 8h. Mar: 10h. Apr: 11h. May: 12h. Jun: 13h. Jul: 14h. Aug: 12h. Sep: 10h. Oct: 9h. Nov: 7h. Dec: 6h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 15 days. Feb: 16 days. Mar: 14 days. Apr: 12 days. May: 5 days. Jun: 1 days. Jul: 0 days. Aug: 0 days. Sep: 1 days. Oct: 7 days. Nov: 11 days. Dec: 15 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 28°C | Jul · 28°C |
| Coldest month | Jan 2025 · -13°C | Jan · -12°C |
| Wettest month | Apr 2025 · 94 mm | May · 107 mm |
| Windiest month | Dec 2025 · 14 km/h | Jun · 14 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Fair June
Good July best
Excellent August best
Excellent September best
Excellent October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -1°C / -12°C | -4°C / -16°C | 8days (31 mm) Wet | 6.7h Fair | 77% Humid | 2.5 Moderate | Poor | View Details |
| February | 0°C / -11°C | -4°C / -15°C | 11days (47 mm) Wet | 7.7h Good | 74% Muggy | 3.7 Moderate | Poor | View Details |
| March | 5°C / -7°C | 2°C / -11°C | 10days (48 mm) Wet | 9.7h Good | 74% Muggy | 5.1 High | Poor | View Details |
| April | 10°C / -3°C | 7°C / -6°C | 13days (77 mm) Wet | 10.7h Excellent | 71% Muggy | 6.2 High | Poor | View Details |
| May | 16°C / 3°C | 15°C / 0°C | 17days (107 mm) Wet | 11.7h Excellent | 71% Muggy | 6.8 High | Fair | View Details |
| June | 23°C / 8°C | 22°C / 6°C | 13days (91 mm) Wet | 13h Excellent | 66% Muggy | 7.5 Very High | Good | View Details |
| July best | 28°C / 12°C | 28°C / 11°C | 8days (35 mm) Wet | 13.7h Excellent | 56% Moderate | 7.7 Very High | Excellent | View Details |
| August best | 27°C / 12°C | 26°C / 10°C | 8days (40 mm) Wet | 12.2h Excellent | 53% Moderate | 6.9 High | Excellent | View Details |
| September best | 22°C / 7°C | 20°C / 5°C | 8days (61 mm) Wet | 10.2h Excellent | 61% Muggy | 5.6 High | Excellent | View Details |
| October | 13°C / 0°C | 10°C / -3°C | 11days (69 mm) Wet | 8.7h Good | 69% Muggy | 3.9 Moderate | Poor | View Details |
| November | 5°C / -6°C | 2°C / -10°C | 9days (39 mm) Wet | 7h Good | 74% Muggy | 2.6 Moderate | Poor | View Details |
| December | 0°C / -11°C | -4°C / -15°C | 10days (37 mm) Wet | 6h Fair | 76% Humid | 1.9 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Bozeman are July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Bozeman, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Bozeman is July, with average daytime highs of 28°C (82°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Bozeman is January, with average overnight lows of -12°C (11°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Bozeman is May, averaging 107mm of precipitation across 17 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Bozeman runs through May, April, June, February, with the heaviest rainfall in May. Based on 10-year averages for Bozeman.
Bozeman receives approximately 117 sunshine hours per year. The sunniest month is July with around 14 hours. Based on climate data for Bozeman.
The least favorable months to visit Bozeman are January, February, November, December, primarily due to very cold temperatures. For the best conditions, consider July, August, September instead.
The annual average UV index in Bozeman is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Bozeman is 69%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Bozeman receives snow. Months with snowfall average 10 snow days and 18 cm (7 in) of accumulation, with about 21 frost days during winter.
Average wind speeds in Bozeman are 12 km/h (7 mph). The windiest month is June with peak winds reaching 14 km/h (9 mph) (gusts up to 42 km/h / 26 mph).
Bozeman averages 6 clear-sky days per month with overall cloud cover around 53%. The clearest skies occur in July.
The annual average dew point in Bozeman is 0°C (32°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Bozeman has a Warm-Summer Continental climate, classified as Dfb under the Köppen system. Continental climates experience extreme temperature ranges — hot summers and cold, snowy winters.
The 'feels like' temperature in Bozeman ranges from -4°C (25°F) to 10°C (50°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Bozeman. It earns a climate score of 7.1/10 with Good.
For June in Bozeman, pack Warm evening layer, Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses. With average highs of 23°C (73°F) and 13 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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