All-time weather records — Guernsey, IA
Climate change signal in Guernsey
of Guernsey's all-time daily heat records were set in the last decade (0 of 366 records since 2015).
of all-time daily cold records were set in the last decade (0 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 | # |
|---|---|---|---|---|
| 1970s | 9 | 7 | ||
| 1980s | 137 | 124 | ||
| 1990s | 220 | 235 | ||
| 2000s | · | · | ||
| 2010s | · | · | ||
| 2020s | · | · |
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 1976, the latest in 1994. Period of observation: 1976-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 63.0°F — Jan 31, 1989 | -25.1°F — Jan 14, 1994 | 1.11 in — Jan 22, 2018 |
| February | 63.0°F — Feb 12, 1990 | -17.0°F — Feb 9, 1994 | 1.51 in — Feb 9, 2001 |
| March | 82.0°F — Mar 26, 1991 | 0.0°F — Mar 12, 1993 | 1.91 in — Mar 31, 1998 |
| April | 88.0°F — Apr 26, 1989 | 14.0°F — Apr 7, 1994 | 3.32 in — Apr 18, 2013 |
| May | 93.9°F — May 31, 1988 | 28.0°F — May 6, 1989 | 2.56 in — May 10, 1996 |
| June | 104.0°F — Jun 20, 1988 | 43.0°F — Jun 2, 1993 | 3.98 in — Jun 17, 1990 |
| July | 104.0°F — Jul 31, 1988 | 48.9°F — Jul 1, 1988 | 4.82 in — Jul 19, 2007 |
| August | 105.1°F — Aug 17, 1988 | 44.1°F — Aug 28, 1992 | 4.76 in — Aug 9, 2015 |
| September | 95.0°F — Sep 6, 1990 | 28.0°F — Sep 20, 1991 | 6.70 in — Sep 1, 2018 |
| October | 84.9°F — Oct 7, 1993 | 17.1°F — Oct 30, 1988 | 3.72 in — Oct 2, 2002 |
| November | 73.9°F — Nov 1, 1990 | -2.9°F — Nov 8, 1991 | 2.74 in — Nov 5, 2022 |
| December | 57.0°F — Dec 1, 1994 | -24.0°F — Dec 23, 1989 | 2.50 in — Dec 14, 2015 |
Click a month to see every daily record for that month in Guernsey.