Historical Weather Records & Monthly Climate for Cheyenne, WY

All-Time High
100°F
All-Time Low
-29°F
Max Daily Snow
22.7"
Max Daily Rain
6.06"
Max Snow Depth
26"

Monthly Climate Averages for Cheyenne, WY

Based on 30 years of historical data (1994 - 2023)

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January37°20°0.51"3.68"
February38°19°0.71"5"
March47°25°1.38"7.69"
April54°31°2.37"8.57"
May63°41°3.1"3.31"
June76°52°1.86"0.04"
July83°59°1.6"0
August81°57°1.42"0
September73°49°1.43"0.52"
October58°37°1.43"4.17"
November46°27°0.72"4.46"
December37°20°0.69"5.01"

Historical Weather Extremes for Cheyenne, WY

Based on 80+ years of archive data (1940 - 2024)

🔥
Longest Heatwave
6 Days
2012
Consecutive days ≥ 90°F
🧊
Deepest Freeze
23 Days
1949
Consecutive days ≤ 32°F
🏜️
Longest Drought
33 Days
2012
Consecutive days w/o rain
Wettest Month
6.95"
September 2013
Most rainfall in one month
Snowiest Month
39.2"
March 1990
Most snowfall in one month

More Historical Climate Data for Cities in


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