Gillette, WY Climate


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United States / Wyoming / Gillette Metro Area / Campbell County / Gillette / Zip Codes
Gillette, Wyoming is situated in the high plains region of the United States and experiences a semi-arid climate. The city has hot summers with average highs ranging from 86 to 90°F (30 to 32°C) and cold winters where temperatures can drop below 0°F (-18°C). Precipitation levels are relatively low throughout the year with around 10 inches (25 cm) annually. Snowfall averages around 55 inches (140 cm), but can range from 25 inches (63 cm) to over 87 inches (220 cm).

Gillette, Wyoming gets 15 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Gillette averages 53 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 209 sunny days per year in Gillette. The US average is 205 sunny days.

Gillette gets some kind of precipitation, on average, 80 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 13
Rain: averages 15 inches of rain a year
Snow: averages 53 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Gillette is 6.8 (10=best), which means it is more comfortable than most places in Wyoming.

8.9 Summer - 4.9 Winter
August, July and June are the most pleasant months in Gillette, while December and January are the least comfortable months.

  ClimateGillette, WyomingUnited States
  15.4 in.38.1 in.
  52.6 in.27.8 in.
  80.3 days106.2 days
  209 days205 days
  86.8°85.8°
  12.9°21.7°
  6.87
  3.64.3
  4554 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 Gillette with an average high temperature of 86.8°, which ranks it as warmer than most places in Wyoming. In Gillette, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Gillette are June, September and August.
In Gillette, there are 28.1 days annually when the high temperature is over 90°, which is hotter than most places in Wyoming.
December has the coldest nighttime temperatures for Gillette with an average of 12.1°. This is warmer than most places in Wyoming.
In Gillette, there are 178.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wyoming.
In Gillette, there are 16.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wyoming.
Humidity is low in Gillette, 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.
May is the wettest month in Gillette with 2.8 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 36% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 15.4 inches in Gillette means that it is wetter than most places in Wyoming.
May is the rainiest month in Gillette with 9.8 days of rain, and January is the driest month with only 5.1 rainy days. There are 80.3 rainy days annually in Gillette, which is rainier than most places in Wyoming. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 20% chance of a rainy day.
An annual snowfall of 52.6 inches in Gillette means that it is about average compared to other places in Wyoming. March is the snowiest month in Gillette with 10.0 inches of snow, and 9 months of the year have significant snowfall.
Reviews for Gillette
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Tammy · Gillette, WY
Total pit
Over 3 years ago

You have to be a complete jerk to live here. These people are total losers. never been In a town where it's ok to steal and lie. the city tries to steal. Had a way too  More

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Chris · Gillette, WY
Good schools and jobs; industrial and ugly
Over 4 years ago

I've lived here several times - adding up to around 37 of my 45 years - and I can't wait to leave. As soon as my youngest graduates from high school I am out of here.  More

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Ann · Gillette, WY
Lots of money, but little class.
Over 9 years ago

I have lived in Gillette for the past 7 years with my family. It's a very unattractive town, as far as the geography. The nearest mountain is about 60 miles away. The  More

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