Bozeman receives its highest rainfall in May, while humidity peaks during winter months.
🌧️ Wettest:May — 86 mm☀️ Driest:Aug — 39 mm
💧 Humidity peaks at 94% in Jan · annual avg 72%
🌍 Climate Summary
Avg Annual Temp:36.7°F
Avg Annual Rainfall:632 mm
Avg Humidity:72%
Data Period:1981 – 2025
Bozeman Climate Overview
Bozeman has a cold continental climate with warm summers and freezing winters.
Temperatures peak in Aug and drop to their lowest in Jan,
while rainfall is highest during spring and early summer months.
Humidity remains moderate throughout the year, especially during winter months, creating cold and damp conditions.
📈 Yearly Trends
The warmest year in Bozeman's recorded history was 1987
(avg: 40.5°F),
while the coldest year was 1985
(avg: 32.4°F),
based on annual average temperatures.
📊 Key Climate Trends
🌡️ Bozeman's temperature shows a slight warming trend over the past decade
📈 Minimum temperatures show a slight warming trend in recent years
🌧️ Rainfall has decreased in recent years compared to earlier periods
🌡️ Annual Temperature Trend
View Range:
Average annual high/low · Last 10 years · °F
Bozeman's temperatures shows a slight warming trend over the past decade.
The highest recorded temperature reached
97.6°F in Jul 2002,
while the lowest dropped to
-41.5°F in Dec 1983.
🌧️ Annual Precipitation
View Range:
Total annual precipitation · Last 10 years · mm/year
Annual rainfall in Bozeman shows noticeable variation. Rainfall has decreased in recent years compared to earlier periods.
Based on 45 years of data (1981–2025), Aug is typically the hottest month in Bozeman, Montana, with average high temperatures around 87.7°F.
What is the coldest month in Bozeman?▼
Jan is the coldest month in Bozeman, with average low temperatures around -15.8°F.
What is the rainiest month in Bozeman?▼
May receives the most rainfall with approximately 86 mm, while Aug is the driest with 39 mm.
What was the highest temperature ever recorded in Bozeman?▼
The highest recorded temperature was 97.6°F in Jul 2002. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Bozeman?▼
The lowest recorded temperature was -41.5°F in Dec 1983.
How many years of data does this page cover?▼
This page covers 45 years of climate data from 1981 to 2025. As new data is added to the database the page automatically reflects the updated coverage.
How much sunlight does Bozeman get?▼
Bozeman receives the most sunlight in Jul with an average solar radiation of 6.98 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Montana.
Where does this weather data come from?▼
All climate data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite and model data. It provides monthly averages for temperature, precipitation, humidity, wind speed, and solar radiation.
📚 Data Source
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.