All-time weather records — Ledyard, IA
Climate change signal in Ledyard
of Ledyard's all-time daily heat records were set in the last decade (48 of 366 records since 2015).
of all-time daily cold records were set in the last decade (58 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 | # |
|---|---|---|---|---|
| 1950s | 38 | 34 | ||
| 1960s | 49 | 76 | ||
| 1970s | 44 | 91 | ||
| 1980s | 52 | 29 | ||
| 1990s | 47 | 28 | ||
| 2000s | 65 | 34 | ||
| 2010s | 34 | 47 | ||
| 2020s | 37 | 27 |
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 1955, the latest in 2026. Period of observation: 1954-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 57.9°F — Jan 8, 2003 | -32.1°F — Jan 21, 1970 | 1.25 in — Jan 21, 1975 |
| February | 69.1°F — Feb 27, 2024 | -27.9°F — Feb 2, 1996 | 1.70 in — Feb 19, 1971 |
| March | 86.0°F — Mar 29, 2025 | -20.0°F — Mar 1, 1962 | 2.10 in — Mar 22, 2005 |
| April | 93.0°F — Apr 21, 1980 | 0.0°F — Apr 3, 1975 | 2.32 in — Apr 23, 1955 |
| May | 104.0°F — May 15, 2013 | 10.0°F — May 3, 1967 | 3.85 in — May 20, 1960 |
| June | 105.1°F — Jun 8, 1985 | 35.1°F — Jun 3, 1969 | 4.00 in — Jun 4, 1991 |
| July | 104.0°F — Jul 31, 1955 | 37.0°F — Jul 11, 1998 | 3.11 in — Jul 25, 2014 |
| August | 100.9°F — Aug 15, 1988 | 37.9°F — Aug 21, 2004 | 4.50 in — Aug 30, 1993 |
| September | 98.1°F — Sep 19, 1984 | 21.9°F — Sep 28, 1967 | 6.82 in — Sep 15, 2004 |
| October | 93.9°F — Oct 5, 1963 | 6.1°F — Oct 28, 2020 | 3.61 in — Oct 1, 2007 |
| November | 81.0°F — Nov 9, 2006 | -16.1°F — Nov 28, 2014 | 2.00 in — Nov 15, 1973 |
| December | 69.1°F — Dec 2, 1998 | -27.9°F — Dec 18, 2016 | 1.18 in — Dec 28, 1982 |
Click a month to see every daily record for that month in Ledyard.