Sidney, MT Climate


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United States / Montana / No Metro Area / Richland County / Sidney / Zip Codes
Sidney, MT has a semi-arid climate with cold, dry winters and hot, dry summers. Average high temperatures in the winter months range from 25 to 32 degrees Fahrenheit while average highs in the summer months range from 85 to 91 degrees Fahrenheit. Precipitation is lower than the national average, with snowfall generally occurring between November and May. The area experiences low humidity across all seasons, making it an ideal spot for outdoor activities and recreation.

Sidney, Montana gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Sidney averages 33 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 201 sunny days per year in Sidney. The US average is 205 sunny days.

Sidney gets some kind of precipitation, on average, 77 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 87 degrees
Winter Low: the January low is 6
Rain: averages 14 inches of rain a year
Snow: averages 33 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Sidney is 6.7 (10=best), which means it is about average compared to other places in Montana.

8.9 Summer - 4.2 Winter
June, September and August are the most pleasant months in Sidney, while January and December are the least comfortable months.

  ClimateSidney, MontanaUnited States
  14.2 in.38.1 in.
  33.2 in.27.8 in.
  76.9 days106.2 days
  201 days205 days
  87.2°85.8°
  5.9°21.7°
  6.77
  3.74.3
  1942 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 Sidney with an average high temperature of 87.2°, which ranks it as one of the hottest places in Montana. In Sidney, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sidney are June, September and May.
In Sidney, there are 31.5 days annually when the high temperature is over 90°, which is one of the hottest places in Montana.
January has the coldest nighttime temperatures for Sidney with an average of 5.9°. This is colder than most places in Montana.
In Sidney, there are 173.0 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Montana.
In Sidney, there are 30.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Montana.
Humidity in Sidney is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.
June is the wettest month in Sidney with 2.8 inches of rain, and the driest month is February with 0.3 inches. The wettest season is Autumn with 46% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 14.2 inches in Sidney means that it is about average compared to other places in Montana.
June is the rainiest month in Sidney with 10.3 days of rain, and February is the driest month with only 3.9 rainy days. There are 76.9 rainy days annually in Sidney, which is less rainy than most places in Montana. The rainiest season is Autumn when it rains 32% of the time and the driest is Spring with only a 19% chance of a rainy day.
An annual snowfall of 33.2 inches in Sidney means that it is less snowy than most places in Montana. December is the snowiest month in Sidney with 7.9 inches of snow, and 8 months of the year have significant snowfall.
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