Cass Lake Weather in December
Average highs run from 28°F on December 1 to 19°F on December 31, and lows from 12°F to 0°F. Normal precipitation for the month is 1.01 in over about 9 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
- 23°F
- Average low
- 6°F
- Precipitation
- 1.01 in
- Snowfall
- 11.5 in
- Record high
- 58°FDec 1, 1962
- Record low
- -40°FDec 31, 1946
- Chance of a freeze
- 100%
- Daylight
- 8 h 45 min to 8 h 31 min
- Cloud cover
- 66%
- Humidity
- 92%
- Dew point
- 10°F
- Wind
- 11.0 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 | 28°F | 12°F | 58°F 1962 | -18°F 1946 | 25% | 22% |
| Dec 2 | 28°F | 12°F | 55°F 1962 | -25°F 1976 | 25% | 22% |
| Dec 3 | 27°F | 11°F | 56°F 1962 | -20°F 1972 | 26% | 22% |
| Dec 4 | 27°F | 11°F | 48°F 1962 | -23°F 1991 | 26% | 23% |
| Dec 5 | 27°F | 10°F | 47°F 2015 | -20°F 1955 | 26% | 23% |
| Dec 6 | 26°F | 10°F | 47°F 2015 | -23°F 1972 | 26% | 23% |
| Dec 7 | 26°F | 9°F | 47°F 2015 | -24°F 1976 | 26% | 23% |
| Dec 8 | 25°F | 9°F | 47°F 1984 | -18°F 1976 | 26% | 24% |
| Dec 9 | 25°F | 8°F | 52°F 1990 | -23°F 1909 | 26% | 24% |
| Dec 10 | 25°F | 8°F | 46°F 2015 | -28°F 1948 | 26% | 24% |
| Dec 11 | 24°F | 8°F | 44°F 1949 | -24°F 1995 | 27% | 24% |
| Dec 12 | 24°F | 7°F | 44°F 1998 | -23°F 2000 | 27% | 25% |
| Dec 13 | 24°F | 7°F | 43°F 1998 | -23°F 2000 | 27% | 25% |
| Dec 14 | 23°F | 6°F | 49°F 1998 | -23°F 1989 | 27% | 25% |
| Dec 15 | 23°F | 6°F | 47°F 1959 | -22°F 1951 | 27% | 25% |
| Dec 16 | 23°F | 5°F | 48°F 2018 | -25°F 1951 | 27% | 26% |
| Dec 17 | 22°F | 5°F | 40°F 1962 | -25°F 1983 | 27% | 26% |
| Dec 18 | 22°F | 5°F | 44°F 1962 | -32°F 1983 | 27% | 26% |
| Dec 19 | 22°F | 4°F | 41°F 2006 | -37°F 1955 | 27% | 26% |
| Dec 20 | 21°F | 4°F | 45°F 1956 | -33°F 1983 | 27% | 26% |
| Dec 21 | 21°F | 4°F | 43°F 2003 | -29°F 1989 | 27% | 26% |
| Dec 22 | 21°F | 3°F | 44°F 1991 | -24°F 1990 | 27% | 26% |
| Dec 23 | 21°F | 3°F | 45°F 1950 | -32°F 1983 | 27% | 26% |
| Dec 24 | 20°F | 2°F | 44°F 1994 | -28°F 1983 | 27% | 26% |
| Dec 25 | 20°F | 2°F | 45°F 1994 | -30°F 1968 | 27% | 26% |
| Dec 26 | 20°F | 2°F | 43°F 1956 | -26°F 1990 | 27% | 26% |
| Dec 27 | 20°F | 1°F | 45°F 1994 | -31°F 2017 | 27% | 26% |
| Dec 28 | 19°F | 1°F | 40°F 2003 | -25°F 1976 | 27% | 26% |
| Dec 29 | 19°F | 1°F | 46°F 1999 | -23°F 1976 | 27% | 26% |
| Dec 30 | 19°F | 0°F | 39°F 1956 | -30°F 1990 | 27% | 26% |
| Dec 31 | 19°F | 0°F | 36°F 1949 | -40°F 1946 | 27% | 26% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 7:45 AM, sunset 4:30 PM
- December 31
- sunrise 8:06 AM, sunset 4:37 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00211374 (Cass Lake), public domain. Records: NOAA GHCN-Daily, station USC00218618, 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.