Montana Temperature Records
All-time high and low temperatures recorded in Montana, with monthly records dating back to 1970.
Key Facts
- Record High: The hottest temperature ever recorded in Montana is 117°F, set on July 5, 1937.
- Record Low: The coldest temperature ever recorded in Montana is -70°F, set on January 20, 1954.
- Data Coverage: Based on 57 years of data from 1,312 NOAA weather stations.
All-Time Record High
117°F
July 5, 1937
Official NOAA Record
All-Time Record Low
-70°F
January 20, 1954
Official NOAA Record
Monthly Temperature Records
| Month | Record High | Record Low |
|---|---|---|
| January | 75°F(2003) | -56°F(1984) |
| February | 77°F(1992) | -55°F(1989) |
| March | 91°F(2005) | -41°F(2002) |
| April | 98°F(1998) | -27°F(1975) |
| May | 105°F(1980) | -6°F(1988) |
| June | 112°F(1988) | 6°F(1993) |
| July | 113°F(2002) | 8°F(1983) |
| August | 111°F(1983) | 10°F(1988) |
| September | 110°F(2009) | -7°F(1985) |
| October | 99°F(2011) | -26°F(1991) |
| November | 85°F(1975) | -39°F(1982) |
| December | 81°F(2021) | -55°F(1983) |
Snow Records
Find the snowiest days on record for any Montana city
City Records in Montana
More State Records
Look Up Weather for Any Date
Check the weather on birthdays, anniversaries, or any date since 1970
Explore Montana Weather History