Idaho Temperature Records
All-time high and low temperatures recorded in Idaho, with monthly records dating back to 1970.
Key Facts
- Record High: The hottest temperature ever recorded in Idaho is 118°F, set on July 28, 1934.
- Record Low: The coldest temperature ever recorded in Idaho is -60°F, set on January 18, 1943.
- Data Coverage: Based on 57 years of data from 846 NOAA weather stations.
All-Time Record High
118°F
July 28, 1934
Official NOAA Record
All-Time Record Low
-60°F
January 18, 1943
Official NOAA Record
Monthly Temperature Records
| Month | Record High | Record Low |
|---|---|---|
| January | 73°F(2024) | -48°F(1979) |
| February | 81°F(1995) | -54°F(1982) |
| March | 96°F(1999) | -36°F(2022) |
| April | 100°F(1994) | -22°F(1997) |
| May | 108°F(2003) | -1°F(2008) |
| June | 116°F(2015) | 8°F(1990) |
| July | 117°F(2002) | 10°F(1986) |
| August | 122°F(1986) | -- |
| September | 116°F(1986) | -11°F(1996) |
| October | 99°F(1996) | -27°F(1991) |
| November | 85°F(1999) | -38°F(1985) |
| December | 74°F(1995) | -54°F(1983) |
Snow Records
Find the snowiest days on record for any Idaho city
City Records in Idaho
More State Records
Look Up Weather for Any Date
Check the weather on birthdays, anniversaries, or any date since 1970
Explore Idaho Weather History