Zip 59457 (Lewistown, MT) Climate

The climate in 59457 Lewistown, MT is a humid continental type characterized by warm summers and cold winters with precipitation spread throughout the year. Summers are generally hot with temperatures reaching into the upper 80's during the day and cooling off to the lower 50's at night. Winters typically bring below zero temperatures with snowfall common throughout the season. The area experiences an average of 34 inches of rain and 40 inches of snow annually.

Lewistown (zip 59457), Montana gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Lewistown (zip 59457) averages 72 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 199 sunny days per year in Lewistown (zip 59457). The US average is 205 sunny days.

Lewistown (zip 59457) gets some kind of precipitation, on average, 103 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.

Weather Highlights

Summer High: the July high is around 81 degrees
Winter Low: the January low is 14
Rain: averages 16 inches of rain a year
Snow: averages 72 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 59457 zip code is 6.5 (10=best), which means it is less comfortable than most places in Montana.

8.9 Summer - 4.5 Winter

July, August and June are the most pleasant months in the 59457 zip code, while December and January are the least comfortable months.

Climate	Lewistown, Montana	United States
	15.8 in.	38.1 in.
	72.3 in.	27.8 in.
	102.6 days	106.2 days
	199 days	205 days
	81.0°	85.8°
	13.5°	21.7°
	6.5	7
	3.7	4.3
	4005 ft.	2443 ft.

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for the 59457 zip code with an average high temperature of 81.1°, which ranks it as cooler than most places in Montana. In the 59457 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 59457 zip code are July, August and June.

In the 59457 zip code, there are 10.5 days annually when the high temperature is over 90°, which is cooler than most places in Montana.

January has the coldest nighttime temperatures for the 59457 zip code with an average of 13.5°. This is about average compared to other places in Montana.

In the 59457 zip code, there are 175.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Montana.

In the 59457 zip code, there are 19.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Montana.

Humidity is low in the 59457 zip code, 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.

June is the wettest month in the 59457 zip code with 2.7 inches of rain, and the driest month is February with 0.4 inches. The wettest season is Autumn with 40% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 15.8 inches in the 59457 zip code means that it is wetter than most places in Montana.

June is the rainiest month in the 59457 zip code with 12.7 days of rain, and February is the driest month with only 6.2 rainy days. There are 102.6 rainy days annually in the 59457 zip code, which is rainier than most places in Montana. The rainiest season is Autumn when it rains 30% of the time and the driest is Spring with only a 19% chance of a rainy day.

An annual snowfall of 72.3 inches in the 59457 zip code means that it is snowier than most places in Montana. March is the snowiest month in the 59457 zip code with 14.2 inches of snow, and 9 months of the year have significant snowfall.

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