All-time weather records — Grangeville, ID
Climate change signal in Grangeville
of Grangeville's all-time daily heat records were set in the last decade (23 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 | # |
|---|---|---|---|---|
| 1890s | 2 | 16 | ||
| 1900s | 11 | 14 | ||
| 1920s | 14 | 5 | ||
| 1930s | 56 | 32 | ||
| 1940s | 17 | 32 | ||
| 1950s | 29 | 54 | ||
| 1960s | 44 | 63 | ||
| 1970s | 41 | 61 | ||
| 1980s | 51 | 44 | ||
| 1990s | 49 | 24 | ||
| 2000s | 27 | 18 | ||
| 2010s | 2 | 3 | ||
| 2020s | 23 | · |
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 | 62.1°F — Jan 31, 1971 | -24.0°F — Jan 7, 1937 | 1.20 in — Jan 23, 1970 |
| February | 69.1°F — Feb 24, 1986 | -24.0°F — Feb 9, 1933 | 1.60 in — Feb 7, 1938 |
| March | 78.1°F — Mar 29, 1978 | -9.0°F — Mar 5, 1955 | 1.14 in — Mar 16, 2012 |
| April | 88.0°F — Apr 24, 1977 | 10.9°F — Apr 1, 1936 | 1.93 in — Apr 28, 1895 |
| May | 96.1°F — May 25, 1928 | 19.0°F — May 1, 1954 | 1.76 in — May 22, 1948 |
| June | 98.1°F — Jun 29, 1939 | 27.0°F — Jun 17, 1942 | 1.92 in — Jun 5, 1964 |
| July | 108.0°F — Jul 27, 1934 | 33.1°F — Jul 2, 1955 | 2.11 in — Jul 9, 1997 |
| August | 106.0°F — Aug 4, 1961 | 28.9°F — Aug 24, 1992 | 1.63 in — Aug 25, 1903 |
| September | 104.0°F — Sep 3, 1950 | 19.0°F — Sep 20, 1983 | 3.01 in — Sep 14, 1955 |
| October | 87.1°F — Oct 1, 2001 | 0.0°F — Oct 28, 1971 | 2.04 in — Oct 10, 1955 |
| November | 72.0°F — Nov 12, 1999 | -17.0°F — Nov 15, 1955 | 1.50 in — Nov 3, 1905 |
| December | 66.0°F — Dec 5, 1939 | -25.1°F — Dec 30, 1968 | 1.11 in — Dec 21, 1955 |
Click a month to see every daily record for that month in Grangeville.