All-time weather records — Polson, MT
Climate change signal in Polson
of Polson's all-time daily heat records were set in the last decade (2 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 | # |
|---|---|---|---|---|
| 1900s | 5 | 8 | ||
| 1910s | 37 | 38 | ||
| 1920s | 35 | 24 | ||
| 1930s | 70 | 55 | ||
| 1940s | 19 | 30 | ||
| 1950s | 20 | 53 | ||
| 1960s | 20 | 36 | ||
| 1970s | 33 | 19 | ||
| 1980s | 45 | 26 | ||
| 1990s | 35 | 15 | ||
| 2000s | 40 | 28 | ||
| 2010s | 7 | 34 |
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 1906, the latest in 2015. Period of observation: 1906-2015.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 57.9°F — Jan 24, 1953 | -29.9°F — Jan 31, 1950 | 0.98 in — Jan 7, 1948 |
| February | 66.0°F — Feb 24, 1995 | -27.0°F — Feb 16, 1936 | 1.18 in — Feb 3, 1915 |
| March | 73.9°F — Mar 27, 1986 | -32.1°F — Mar 16, 1995 | 1.04 in — Mar 29, 1934 |
| April | 84.0°F — Apr 29, 1926 | -0.9°F — Apr 2, 1936 | 1.66 in — Apr 30, 1951 |
| May | 91.0°F — May 31, 1986 | 17.1°F — May 1, 1954 | 2.60 in — May 30, 1985 |
| June | 98.1°F — Jun 26, 1919 | 0.0°F — Jun 1, 1992 | 2.50 in — Jun 8, 1964 |
| July | 104.0°F — Jul 16, 1919 | 32.0°F — Jul 5, 2012 | 1.76 in — Jul 3, 1956 |
| August | 100.9°F — Aug 5, 1961 | 30.9°F — Aug 25, 1910 | 1.81 in — Aug 31, 1986 |
| September | 93.0°F — Sep 3, 1931 | 16.0°F — Sep 24, 1926 | 1.38 in — Sep 9, 1986 |
| October | 82.9°F — Oct 1, 1963 | 1.0°F — Oct 31, 1935 | 2.14 in — Oct 2, 1946 |
| November | 71.1°F — Nov 12, 1999 | -20.9°F — Nov 16, 1959 | 1.12 in — Nov 2, 2014 |
| December | 62.1°F — Dec 3, 1956 | -25.1°F — Dec 17, 1964 | 1.07 in — Dec 12, 1929 |
Click a month to see every daily record for that month in Polson.