Wyoming Temperature Records

All-time high and low temperatures recorded in Wyoming, with monthly records dating back to 1970.

Key Facts

  • Record High: The hottest temperature ever recorded in Wyoming is 115°F, set on July 15, 1988.
  • Record Low: The coldest temperature ever recorded in Wyoming is -66°F, set on February 9, 1933.
  • Data Coverage: Based on 57 years of data from 1,348 NOAA weather stations.

All-Time Record High

115°F
July 15, 1988
Official NOAA Record

All-Time Record Low

-66°F
February 9, 1933
Official NOAA Record

Monthly Temperature Records

MonthRecord HighRecord Low
January76°F(1989)-53°F(1979)
February79°F(1995)-52°F(1982)
March95°F(2005)-40°F(1989)
April97°F(2023)-26°F(1975)
May100°F(2003)-10°F(1986)
June114°F(1988)4°F(2005)
July112°F(1981)8°F(1988)
August115°F(2004)8°F(2008)
September118°F(2004)-8°F(1991)
October96°F(1970)-34°F(2019)
November99°F(2004)-46°F(1976)
December84°F(2004)-55°F(1990)

Snow Records

Find the snowiest days on record for any Wyoming city

More State Records

Look Up Weather for Any Date

Check the weather on birthdays, anniversaries, or any date since 1970

Explore Wyoming Weather History