Montana Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Montana.
Climate overview of Montana
Montana, Montana, Bulgaria, sees big temperature differences between seasons, with August peaking at 30°C (86°F) and January dropping to 5°C (41°F).
Annual rain/snowfall is moderate at around 815 mm (32 in), with June being the wettest month. The city also has warm summers and cold winters.
Montana Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Montana - and find the best time to visit.
Monthly Temperature in Montana
Visitors to Montana can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 30°C (86°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).
At night, temperatures range from around 17°C (63°F) in August to -4°C (25°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Montana
Generally, Montana experiences moderate precipitation patterns, averaging 815 mm (32 in) yearly. Montana experiences moderate seasonal variation in rainfall, with monthly averages ranging from 96 mm (3.8 in) in June, the wettest month, and 50 mm (2 in) in November, the driest month. For more details, please visit our Montana Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Humidity in Montana by Month
The relative humidity is high throughout the year in Montana.
The city experiences its highest humidity in November, reaching 84%. In August, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Montana
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July and September
- Warmest weather: July and August
- Fewest rainy days: July, August, September and October
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Montana
What is the best time to visit Montana?
May, June, July and September typically offer the most optimal weather in Montana. In contrast, January, February and December tend to have less optimal conditions. Montana has warm summers and cold winters.
What temperatures can I expect in Montana?
Daytime highs range from 5°C (41°F) in January to 30°C (86°F) in August. Nighttime lows range from -4°C (25°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Montana get?
Annual rainfall is around 815 mm (32 in). June is the wettest month with 96 mm (3.8 in), while November is the driest with 50 mm (2 in).
Montana 3-Day Forecast
Montana 3-Day Forecast
Montana on the map
Montana is highlighted - select any city to see its climate.
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