Leavenworth Weather in December
Average highs run from 37°F on December 1 to 32°F on December 31, and lows from 23°F to 19°F. Normal precipitation for the month is 4.52 in over about 14 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
- 34°F
- Average low
- 20°F
- Precipitation
- 4.52 in
- Snowfall
- 32.4 in
- Record high
- 70°FDec 1, 2021
- Record low
- -21°FDec 30, 1968
- Chance of a freeze
- 100%
- Daylight
- 8 h 43 min to 8 h 30 min
- Cloud cover
- 72%
- Humidity
- 94%
- Dew point
- 22°F
- Wind
- 4.3 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 | 37°F | 23°F | 70°F 2021 | -4°F 1985 | 47% | 22% |
| Dec 2 | 37°F | 22°F | 58°F 1975 | 8°F 1985 | 47% | 23% |
| Dec 3 | 37°F | 22°F | 57°F 1975 | 6°F 1984 | 47% | 23% |
| Dec 4 | 36°F | 22°F | 55°F 1975 | 5°F 1984 | 47% | 24% |
| Dec 5 | 36°F | 22°F | 49°F 2025 | 8°F 1984 | 47% | 25% |
| Dec 6 | 36°F | 21°F | 54°F 1979 | 5°F 1980 | 47% | 25% |
| Dec 7 | 35°F | 21°F | 51°F 1973 | 3°F 1972 | 47% | 26% |
| Dec 8 | 35°F | 21°F | 52°F 1991 | -1°F 1972 | 47% | 26% |
| Dec 9 | 35°F | 21°F | 52°F 2015 | 3°F 1972 | 47% | 27% |
| Dec 10 | 35°F | 21°F | 68°F 2025 | 2°F 2009 | 47% | 27% |
| Dec 11 | 34°F | 20°F | 62°F 2025 | 4°F 1972 | 47% | 28% |
| Dec 12 | 34°F | 20°F | 51°F 2025 | 6°F 1972 | 47% | 28% |
| Dec 13 | 34°F | 20°F | 53°F 1979 | 4°F 1972 | 47% | 28% |
| Dec 14 | 34°F | 20°F | 58°F 1979 | 6°F 1972 | 47% | 29% |
| Dec 15 | 33°F | 20°F | 59°F 2025 | -3°F 1964 | 47% | 29% |
| Dec 16 | 33°F | 20°F | 58°F 1999 | -11°F 1964 | 47% | 29% |
| Dec 17 | 33°F | 20°F | 52°F 1998 | -12°F 1964 | 46% | 29% |
| Dec 18 | 33°F | 19°F | 52°F 1976 | -3°F 1964 | 46% | 30% |
| Dec 19 | 33°F | 19°F | 49°F 2004 | -4°F 1984 | 46% | 30% |
| Dec 20 | 33°F | 19°F | 51°F 2020 | -7°F 2008 | 46% | 30% |
| Dec 21 | 32°F | 19°F | 55°F 1974 | -7°F 2022 | 46% | 30% |
| Dec 22 | 32°F | 19°F | 51°F 2014 | -9°F 1983 | 46% | 30% |
| Dec 23 | 32°F | 19°F | 46°F 2013 | -15°F 1983 | 46% | 31% |
| Dec 24 | 32°F | 19°F | 48°F 2014 | -1°F 1983 | 46% | 31% |
| Dec 25 | 32°F | 19°F | 50°F 1963 | 4°F 1983 | 46% | 31% |
| Dec 26 | 32°F | 19°F | 56°F 1980 | 5°F 1990 | 46% | 31% |
| Dec 27 | 32°F | 19°F | 57°F 1980 | 1°F 1996 | 46% | 31% |
| Dec 28 | 32°F | 19°F | 52°F 2011 | -16°F 1968 | 46% | 31% |
| Dec 29 | 32°F | 19°F | 53°F 1997 | -20°F 1968 | 46% | 31% |
| Dec 30 | 32°F | 19°F | 48°F 2011 | -21°F 1968 | 46% | 31% |
| Dec 31 | 32°F | 19°F | 49°F 1998 | -13°F 1968 | 46% | 31% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 7:30 AM, sunset 4:13 PM
- December 31
- sunrise 7:51 AM, sunset 4:21 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00454572 (Leavenworth 3 S), public domain. Records: NOAA GHCN-Daily, station USW00094239, 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.