All-time weather records — Haverhill, IA
Climate change signal in Haverhill
of Haverhill's all-time daily heat records were set in the last decade (27 of 366 records since 2015).
of all-time daily cold records were set in the last decade (21 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 | 24 | ||
| 1900s | 19 | 35 | ||
| 1910s | 50 | 46 | ||
| 1920s | 30 | 17 | ||
| 1930s | 76 | 29 | ||
| 1940s | 30 | 38 | ||
| 1950s | 20 | 21 | ||
| 1960s | 14 | 24 | ||
| 1970s | 11 | 27 | ||
| 1980s | 21 | 33 | ||
| 1990s | 20 | 17 | ||
| 2000s | 18 | 23 | ||
| 2010s | 23 | 22 | ||
| 2020s | 16 | 10 |
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 | 64.9°F — Jan 27, 2002 | -34.1°F — Jan 16, 2009 | 1.52 in — Jan 22, 2018 |
| February | 75.9°F — Feb 27, 2024 | -35.0°F — Feb 3, 1996 | 2.01 in — Feb 28, 1948 |
| March | 90.0°F — Mar 29, 1895 | -32.1°F — Mar 1, 1962 | 2.31 in — Mar 13, 1990 |
| April | 93.9°F — Apr 23, 1980 | 3.9°F — Apr 6, 1982 | 2.80 in — Apr 18, 2013 |
| May | 104.0°F — May 30, 1934 | 19.9°F — May 4, 1907 | 4.15 in — May 23, 2004 |
| June | 105.1°F — Jun 28, 1934 | 30.0°F — Jun 21, 1943 | 4.90 in — Jun 8, 1924 |
| July | 111.9°F — Jul 14, 1936 | 41.0°F — Jul 19, 2023 | 6.58 in — Jul 14, 1962 |
| August | 109.0°F — Aug 8, 1934 | 35.1°F — Aug 30, 1915 | 5.54 in — Aug 16, 1977 |
| September | 102.9°F — Sep 7, 1939 | 19.9°F — Sep 28, 1942 | 5.07 in — Sep 19, 1926 |
| October | 93.9°F — Oct 2, 1953 | -2.9°F — Oct 30, 1925 | 4.10 in — Oct 1, 1911 |
| November | 81.0°F — Nov 1, 1938 | -11.0°F — Nov 26, 1977 | 3.78 in — Nov 4, 2003 |
| December | 73.0°F — Dec 16, 2021 | -27.9°F — Dec 19, 1985 | 2.60 in — Dec 14, 2015 |
Click a month to see every daily record for that month in Haverhill.