All-time weather records — Iowa Falls, IA
Climate change signal in Iowa Falls
of Iowa Falls's all-time daily heat records were set in the last decade (43 of 366 records since 2015).
of all-time daily cold records were set in the last decade (7 of 366 records since 2015).
If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:
| Decade | Heat records set | # | Cold records set | # |
|---|---|---|---|---|
| 1890s | 18 | 73 | ||
| 1900s | 3 | 36 | ||
| 1910s | 20 | 63 | ||
| 1920s | 28 | 30 | ||
| 1930s | 92 | 26 | ||
| 1940s | 29 | 14 | ||
| 1950s | 25 | 26 | ||
| 1960s | 16 | 33 | ||
| 1970s | 6 | 19 | ||
| 1980s | 24 | 16 | ||
| 1990s | 25 | 13 | ||
| 2000s | 26 | 5 | ||
| 2010s | 24 | 9 | ||
| 2020s | 30 | 3 |
Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1894, the latest in 2026. Period of observation: 1893-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 68.0°F — Jan 27, 2002 | -34.1°F — Jan 12, 1912 | 1.95 in — Jan 4, 1971 |
| February | 75.9°F — Feb 27, 2024 | -32.1°F — Feb 13, 1905 | 2.28 in — Feb 22, 1922 |
| March | 88.0°F — Mar 22, 2026 | -31.0°F — Mar 1, 1962 | 1.85 in — Mar 6, 1946 |
| April | 97.0°F — Apr 22, 1980 | 3.0°F — Apr 7, 1911 | 3.80 in — Apr 25, 2008 |
| May | 107.1°F — May 31, 1934 | 18.0°F — May 4, 1907 | 3.42 in — May 27, 2013 |
| June | 107.1°F — Jun 27, 1934 | 34.0°F — Jun 12, 1903 | 5.62 in — Jun 2, 1942 |
| July | 111.0°F — Jul 14, 1936 | 5.0°F — Jul 3, 1986 | 6.25 in — Jul 31, 1964 |
| August | 108.0°F — Aug 18, 1936 | 30.9°F — Aug 30, 1915 | 5.23 in — Aug 19, 1924 |
| September | 100.9°F — Sep 6, 1939 | 19.0°F — Sep 30, 1899 | 4.15 in — Sep 21, 1950 |
| October | 95.0°F — Oct 5, 1963 | -5.1°F — Oct 30, 1925 | 2.31 in — Oct 6, 1914 |
| November | 79.0°F — Nov 1, 1938 | -13.0°F — Nov 26, 1977 | 2.45 in — Nov 23, 1931 |
| December | 70.0°F — Dec 16, 2021 | -31.0°F — Dec 10, 1919 | 2.11 in — Dec 14, 2015 |
Click a month to see every daily record for that month in Iowa Falls.