Helena, Montana 

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Climate in Helena, Montana

Helena, Montana gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Helena averages 42 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 189 sunny days per year in Helena. The US average is 205 sunny days.

Helena gets some kind of precipitation, on average, 90 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 83 degrees
Winter Low: the January low is 14
Rain: averages 13 inches of rain a year
Snow: averages 42 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Helena is 6.6 (10=best), which means it is about average compared to other places in Montana.

6.6 / 10
July, August and June are the most pleasant months in Helena, while December and January are the least comfortable months.

Climate Averages
  Helena, MontanaUnited States
  12.6 in.38.1 in.
  42.1 in.27.8 in.
  89.6 days106.2 days
  189 days205 days
  83.4°85.8°
  13.8°21.7°
  6.67
  3.94.3
  4045 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 Helena with an average high temperature of 83.4°, which ranks it as cooler than most places in Montana. In Helena, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Helena are June, August and July.


December has the coldest nighttime temperatures for Helena with an average of 13.6°. This is about average compared to other places in Montana.


In Helena, there are 15.5 days annually when the high temperature is over 90°, which is cooler than most places in Montana.


In Helena, there are 170.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Montana.


In Helena, there are 16.6 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Montana.


June is the wettest month in Helena with 2.1 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 37% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 12.6 inches in Helena means that it is drier than most places in Montana.


May is the rainiest month in Helena with 11.0 days of rain, and February is the driest month with only 5.5 rainy days. There are 89.6 rainy days annually in Helena, which is about average compared to other places in Montana. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 21% chance of a rainy day.


An annual snowfall of 42.1 inches in Helena means that it is about average compared to other places in Montana. March is the snowiest month in Helena with 7.4 inches of snow, and 9 months of the year have significant snowfall.





CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Helena    16 Reviews
    Terrible climate to live in. - 12/16/2016
    You can't grow nothing in this town. The wind blows all the time, extremely cloudy and depressing in the wintertime. The sun reminds me of a flashlight ready to go... Read More

    Start Your Review of Helena


    Helena & Valley - 3/5/2015
    I've noticed some really negative postings on Helena. I want to say a couple of things... Remember everything is relative. When reading comparisons, consider the... Read More

    I call it death valley - 12/3/2013
    No trees unless you go half way up a mountain, no trees, no flowers, no green grass, only a few "lakes", just brown dried up tumble weeds struggling to grow out of dead... Read More


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    ZIP CODES IN HELENA, MONTANA
    59601

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