Twisp Weather in December
Average highs run from 33°F on December 1 to 28°F on December 31, and lows from 19°F to 14°F. Normal precipitation for the month is 2.57 in over about 13 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 29°F
- Average low
- 15°F
- Precipitation
- 2.57 in
- Snowfall
- 21.8 in
- Record high
- 70°FDec 1, 2021
- Record low
- -48°FDec 30, 1968
- Chance of a freeze
- 100%
- Daylight
- 8 h 37 min to 8 h 24 min
- Cloud cover
- 69%
- Humidity
- 96%
- Dew point
- 17°F
- Wind
- 3.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 33°F | 19°F | 70°F 2021 | -21°F 1985 | 42% | 28% |
| Dec 2 | 33°F | 19°F | 66°F 2021 | -12°F 2022 | 42% | 29% |
| Dec 3 | 32°F | 19°F | 52°F 1920 | -13°F 1919 | 42% | 30% |
| Dec 4 | 32°F | 18°F | 51°F 1920 | -15°F 1919 | 42% | 30% |
| Dec 5 | 32°F | 18°F | 49°F 1920 | -13°F 1919 | 42% | 31% |
| Dec 6 | 31°F | 17°F | 52°F 1920 | -10°F 1956 | 42% | 32% |
| Dec 7 | 31°F | 17°F | 49°F 1920 | -19°F 1956 | 42% | 33% |
| Dec 8 | 31°F | 17°F | 47°F 1940 | -10°F 1919 | 43% | 33% |
| Dec 9 | 30°F | 17°F | 54°F 1917 | -7°F 1995 | 43% | 34% |
| Dec 10 | 30°F | 16°F | 52°F 1917 | -8°F 1927 | 43% | 35% |
| Dec 11 | 30°F | 16°F | 49°F 1939 | -16°F 1922 | 43% | 35% |
| Dec 12 | 30°F | 16°F | 51°F 1924 | -25°F 1919 | 43% | 36% |
| Dec 13 | 29°F | 15°F | 47°F 1995 | -22°F 1919 | 43% | 36% |
| Dec 14 | 29°F | 15°F | 50°F 1979 | -22°F 1955 | 44% | 36% |
| Dec 15 | 29°F | 15°F | 44°F 1920 | -23°F 1922 | 44% | 37% |
| Dec 16 | 29°F | 15°F | 54°F 1999 | -20°F 1922 | 44% | 37% |
| Dec 17 | 28°F | 15°F | 46°F 1920 | -27°F 1964 | 44% | 37% |
| Dec 18 | 28°F | 14°F | 42°F 1999 | -17°F 1924 | 44% | 37% |
| Dec 19 | 28°F | 14°F | 47°F 1917 | -15°F 1924 | 44% | 38% |
| Dec 20 | 28°F | 14°F | 45°F 2020 | -21°F 2008 | 44% | 38% |
| Dec 21 | 28°F | 14°F | 49°F 1917 | -23°F 1983 | 44% | 38% |
| Dec 22 | 28°F | 14°F | 48°F 1920 | -27°F 1983 | 44% | 38% |
| Dec 23 | 28°F | 14°F | 46°F 1917 | -26°F 1983 | 44% | 38% |
| Dec 24 | 28°F | 14°F | 48°F 1920 | -30°F 1983 | 44% | 39% |
| Dec 25 | 28°F | 14°F | 46°F 1920 | -15°F 1951 | 44% | 39% |
| Dec 26 | 28°F | 14°F | 41°F 1919 | -17°F 1948 | 44% | 39% |
| Dec 27 | 27°F | 14°F | 52°F 1967 | -19°F 1971 | 44% | 39% |
| Dec 28 | 27°F | 14°F | 51°F 1917 | -21°F 1977 | 44% | 39% |
| Dec 29 | 27°F | 14°F | 50°F 1917 | -41°F 1968 | 44% | 39% |
| Dec 30 | 28°F | 14°F | 49°F 1917 | -48°F 1968 | 44% | 39% |
| Dec 31 | 28°F | 14°F | 52°F 1920 | -31°F 1968 | 44% | 39% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 7:31 AM, sunset 4:08 PM
- December 31
- sunrise 7:52 AM, sunset 4:16 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00459376 (Winthrop 1 Wsw), public domain. Records: NOAA GHCN-Daily, station USC00459376, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.