Columbia Falls (MT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Columbia Falls.
Climate overview of Columbia Falls
Columbia Falls, Montana, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 28°C (82°F) in July, while winters cool to -1°C (30°F) in December.
Annual rain/snowfall is moderate at around 544 mm (21 in), with June being the wettest month. The city also has two distinct dry seasons, February to April and July to September, with warm summers and very cold winters.
Columbia Falls Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Columbia Falls - and find the best time to visit.
Monthly Temperature in Columbia Falls
Depending on the time of the year, temperatures range from comfortable to very cold in Columbia Falls. Average daytime temperatures reach a comfortable 28°C (82°F) in July. In December, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).
At night, temperatures range from around 10°C (50°F) in July to -8°C (18°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Columbia Falls
Generally, Columbia Falls has a moderate amount of precipitation, averaging 544 mm (21 in) of rain/snowfall annually. Columbia Falls can be quite wet during June, receiving approximately 88 mm (3.5 in) of precipitation over 15 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 25 mm (1 in) of precipitation spread across 7 rainy days. For more details, please visit our Columbia Falls Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Columbia Falls
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Fewest rainy days: July and August
- Seasonal pattern: Two distinct dry seasons, February to April and July to September, with warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Columbia Falls
What is the best time to visit Columbia Falls?
June, July, August and September typically offer the most optimal weather in Columbia Falls. In contrast, January, February, March, November and December tend to have less optimal conditions. Columbia Falls has two distinct dry seasons, February to April and July to September, with warm summers and very cold winters.
What temperatures can I expect in Columbia Falls?
Daytime highs range from -1°C (30°F) in December to 28°C (82°F) in July. Nighttime lows range from -8°C (18°F) to 10°C (50°F). Temperatures vary considerably through the year.
How much rain does Columbia Falls get?
Annual rainfall is around 544 mm (21 in). June is the wettest month with 88 mm (3.5 in), while August is the driest with 25 mm (1 in).
Columbia Falls 3-Day Forecast
Columbia Falls on the map
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