Climate in Flathead County, Montana

Flathead, MT County's climate is characterized by hot and dry summers and cold and snowy winters. The average temperature in July is about 78°F while the average temperature in January is 19°F. During the summer months, the county experiences very little precipitation with most days being sunny and dry. In winter, snowfall can range from 25-45 inches depending on the year. Flathead County also has more sunny days per year than any other area in Montana, making it an ideal spot for outdoor activities all year round.

Flathead County, Montana gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Flathead County averages 74 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 151 sunny days per year in Flathead County. The US average is 205 sunny days.

Flathead County gets some kind of precipitation, on average, 126 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

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Weather Highlights

Summer High: the July high is around 80 degrees
Winter Low: the January low is 16
Rain: averages 21 inches of rain a year
Snow: averages 74 inches of snow a year

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BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Flathead County is 6.1 (10=best), which means it is one of the least comfortable places in Montana.

July, August and June are the most pleasant months in Flathead County, while December and January are the least comfortable months.

August is the hottest month for Flathead County with an average high temperature of 79.7°, which ranks it as one of the coolest places in Montana. In Flathead County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Flathead County are July, August and June.

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In Flathead County, there are 7.7 days annually when the high temperature is over 90°, which is cooler than most places in Montana.

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December has the coldest nighttime temperatures for Flathead County with an average of 15.6°. This is warmer than most places in Montana.

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In Flathead County, there are 189.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Montana.

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In Flathead County, there are 12.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Montana.

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Humidity is low in Flathead County, and some people might find the dryness to be uncomfortable. Days with noticeable humidity are rare throughout the year. A very dry climate can lead to cracked, itchy skin and dry eyes.

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June is the wettest month in Flathead County with 2.9 inches of rain, and the driest month is August with 1.2 inches. The wettest season is Autumn with 26% of yearly precipitation and 24% occurs in Winter, which is the driest season. The annual rainfall of 21.2 inches in Flathead County means that it is one of the wettest places in Montana.

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December is the rainiest month in Flathead County with 13.1 days of rain, and August is the driest month with only 6.8 rainy days. There are 126.4 rainy days annually in Flathead County, which is one of the rainiest places in Montana. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 21% chance of a rainy day.

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An annual snowfall of 74.2 inches in Flathead County means that it is snowier than most places in Montana. December is the snowiest month in Flathead County with 20.2 inches of snow, and 8 months of the year have significant snowfall.

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