All-time weather records — Twisp, WA

Record high
109.0°F
June 30, 2021
Record low
-47.9°F
December 30, 1968
Wettest day
4.16 in
January 21, 1935

Climate change signal in Twisp

10.7%

of Twisp's all-time daily heat records were set in the last decade (39 of 366 records since 2015).

2.5%

of all-time daily cold records were set in the last decade (9 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
·
3
1910s
91
52
1920s
32
21
1930s
27
40
1940s
27
16
1950s
12
47
1960s
29
66
1970s
35
38
1980s
27
56
1990s
25
4
2000s
16
11
2010s
14
6
2020s
31
6

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 1910, the latest in 2025. Period of observation: 1906-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 57.0°F — Jan 30, 1989 -32.1°F — Jan 18, 1950 4.16 in — Jan 21, 1935
February 62.1°F — Feb 27, 1991 -27.9°F — Feb 1, 1950 1.51 in — Feb 16, 1949
March 79.0°F — Mar 27, 1930 -11.0°F — Mar 1, 1917 1.17 in — Mar 5, 1972
April 89.1°F — Apr 21, 1934 12.9°F — Apr 2, 1936 1.19 in — Apr 24, 2003
May 100.0°F — May 31, 1986 19.9°F — May 1, 1954 1.60 in — May 13, 1911
June 109.0°F — Jun 30, 2021 28.0°F — Jun 3, 1976 1.98 in — Jun 2, 1936
July 106.0°F — Jul 1, 2021 30.9°F — Jul 8, 1981 2.58 in — Jul 29, 1958
August 105.1°F — Aug 4, 1961 28.0°F — Aug 24, 1910 1.78 in — Aug 24, 2024
September 102.0°F — Sep 4, 2025 18.0°F — Sep 29, 1983 1.35 in — Sep 6, 2013
October 88.0°F — Oct 1, 1910 5.0°F — Oct 31, 1935 1.59 in — Oct 24, 1934
November 68.0°F — Nov 9, 1989 -17.0°F — Nov 27, 1958 1.78 in — Nov 17, 2015
December 70.0°F — Dec 1, 2021 -47.9°F — Dec 30, 1968 2.18 in — Dec 6, 1923

Click a month to see every daily record for that month in Twisp.