Iowa Temperature Records
All-time high and low temperatures recorded in Iowa, with monthly records dating back to 1970.
Key Facts
- Record High: The hottest temperature ever recorded in Iowa is 118°F, set on July 20, 1934.
- Record Low: The coldest temperature ever recorded in Iowa is -47°F, set on February 3, 1996.
- Data Coverage: Based on 57 years of data from 1,106 NOAA weather stations.
All-Time Record High
118°F
July 20, 1934
Official NOAA Record
All-Time Record Low
-47°F
February 3, 1996
Official NOAA Record
Monthly Temperature Records
| Month | Record High | Record Low |
|---|---|---|
| January | 72°F(2002) | -41°F(2019) |
| February | 82°F(1972) | -47°F(1996) |
| March | 95°F(1986) | -30°F(2015) |
| April | 100°F(1980) | -9°F(1982) |
| May | 106°F(2013) | 17°F(2005) |
| June | 108°F(1988) | 32°F(2000) |
| July | 109°F(1974) | 35°F(1984) |
| August | 111°F(1983) | 32°F(1986) |
| September | 106°F(2000) | 19°F(1983) |
| October | 97°F(2000) | 5°F(1993) |
| November | 87°F(2005) | -25°F(1991) |
| December | 75°F(2021) | -34°F(2000) |
Snow Records
Find the snowiest days on record for any Iowa city
City Records in Iowa
More State Records
Look Up Weather for Any Date
Check the weather on birthdays, anniversaries, or any date since 1970
Explore Iowa Weather History