Olney, MT Climate


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Olney, MT has a continental climate, which means that summers are hot and dry while winters are cold and snowy. Average temperatures in the summer range from around 55-85 degrees Fahrenheit, while in the winter the temperature averages around 15-25 degrees. Rainfall is spread out throughout the year with the majority of precipitation falling between May and September. Olney receives about 18 inches of snow annually, making it a great destination for outdoor activities during the colder months.

Olney, Montana gets 20 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Olney averages 73 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 Olney. The US average is 205 sunny days.

Olney gets some kind of precipitation, on average, 108 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 20 inches of rain a year
Snow: averages 73 inches of snow a year


Bestplaces Comfort Index

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

8.7 Summer - 3.3 Winter
August, July and June are the most pleasant months in Olney, while December and January are the least comfortable months.

  ClimateOlney, MontanaUnited States
  19.7 in.38.1 in.
  72.6 in.27.8 in.
  108.1 days106.2 days
  151 days205 days
  80.8°85.8°
  14.2°21.7°
  6.17
  3.24.3
  3169 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.

July is the hottest month for Olney with an average high temperature of 80.8°, which ranks it as cooler than most places in Montana. In Olney, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Olney are August, July and June.
In Olney, there are 9.7 days annually when the high temperature is over 90°, which is cooler than most places in Montana.
December has the coldest nighttime temperatures for Olney with an average of 14.0°. This is warmer than most places in Montana.
In Olney, there are 202.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Montana.
In Olney, there are 14.4 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Montana.
Humidity is low in Olney, 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 Olney with 3.0 inches of rain, and the driest month is March with 1.1 inches. The wettest season is Autumn with 30% of yearly precipitation and 23% occurs in Summer, which is the driest season. The annual rainfall of 19.7 inches in Olney means that it is wetter than most places in Montana.
June is the rainiest month in Olney with 12.0 days of rain, and August is the driest month with only 6.0 rainy days. There are 108.1 rainy days annually in Olney, which is rainier than most places in Montana. The rainiest season is Spring when it rains 27% of the time and the driest is Autumn with only a 23% chance of a rainy day.
An annual snowfall of 72.6 inches in Olney means that it is snowier than most places in Montana. December is the snowiest month in Olney with 20.6 inches of snow, and 7 months of the year have significant snowfall.
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