Libby (MT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Libby.
Climate overview of Libby
Libby, Montana, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 31°C (88°F) in July, while winters cool to 0°C (32°F) in December.
The city tends toward dry conditions, with around 497 mm (20 in) of rain/snowfall per year. It does, however, have two distinct dry seasons, April to May and July to September, with very warm summers and very cold winters.
Libby Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Libby - and find the best time to visit.
Monthly Temperature in Libby
Depending on the time of the year, temperatures range from very warm to very cold in Libby. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a very cold 0°C (32°F) in the coolest month, December.
Nights vary from 10°C (50°F) in July to around -7°C (19°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Libby
Libby has a relatively dry climate with low precipitation, averaging 497 mm (20 in) of rain/snowfall annually. The climate in Libby shows significant variation throughout the year. Expect moderate snow/rainfall in November, the wettest month, with an average of 73 mm (2.9 in) of precipitation over 17 snowy/rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 16 mm (0.6 in) of rainfall over 5 rainy days. For more details, please visit our Libby 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 Libby
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 and September
- Warmest weather: July and August
- Fewest rainy days: July, August and September
- Seasonal pattern: Two distinct dry seasons, April to May and July to September, with very warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Libby
What is the best time to visit Libby?
May, June and September typically offer the most optimal weather in Libby. In contrast, January, February, March, November and December tend to have less optimal conditions. Libby has two distinct dry seasons, April to May and July to September, with very warm summers and very cold winters.
What temperatures can I expect in Libby?
Daytime highs range from 0°C (32°F) in December to 31°C (88°F) in July. Nighttime lows range from -7°C (19°F) to 10°C (50°F). Temperatures vary considerably through the year.
How much rain does Libby get?
Annual rainfall is around 497 mm (20 in). November is the wettest month with 73 mm (2.9 in), while August is the driest with 16 mm (0.6 in). In the coldest months, precipitation may fall as snow/rain.
Libby 3-Day Forecast
Libby (MT) 3-Day Forecast
Libby on the map
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