Kelly, WY Climate


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Kelly, WY has a semi-arid climate which is characterized by hot summers and cold winters. Summer temperatures average in the high 70s to low 80s with occasional highs reaching into the 90s. Winters are typically cold with highs in the 30s and lows often dipping into the single digits. Rainfall averages just over 10 inches per year and the area gets approximately 20 inches of snowfall each year.

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Kelly is 5.6 (10=best), which means it is one of the least comfortable places in Wyoming.

8.5 Summer - 2.5 Winter
July, August and June are the most pleasant months in Kelly, while January and December are the least comfortable months.

  ClimateKelly, WyomingUnited States
  22.9 in.38.1 in.
  141.8 in.27.8 in.
  121.9 days106.2 days
  219 days205 days
  79.5°85.8°
  0.6°21.7°
  5.67
  3.74.3
  6653 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 Kelly with an average high temperature of 79.5°, which ranks it as one of the coolest places in Wyoming. In Kelly, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Kelly are August, July and June.
In Kelly, there are 2.0 days annually when the high temperature is over 90°, which is one of the coolest places in Wyoming.
January has the coldest nighttime temperatures for Kelly with an average of 0.6°. This is one of the coldest places in Wyoming.
In Kelly, there are 240.1 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Wyoming.
In Kelly, there are 47.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Wyoming.
Humidity is very low in Kelly, so low that the dry air may be uncomfortable for some people. There are few days during the year when the humidity is even noticable. A very dry climate can lead to cracked, itchy skin and dry eyes.
December is the wettest month in Kelly with 2.8 inches of rain, and the driest month is August with 1.2 inches. The wettest season is Spring with 33% of yearly precipitation and 18% occurs in Autumn, which is the driest season. The annual rainfall of 22.9 inches in Kelly means that it is one of the wettest places in Wyoming.
December is the rainiest month in Kelly with 14.0 days of rain, and September is the driest month with only 7.4 rainy days. There are 121.9 rainy days annually in Kelly, which is one of the rainiest places in Wyoming. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 21% chance of a rainy day.
An annual snowfall of 141.8 inches in Kelly means that it is one of the snowiest places in Wyoming. December is the snowiest month in Kelly with 36.6 inches of snow, and 8 months of the year have significant snowfall.
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