Deltana Weather in December
Average highs run from 10°F on December 1 to 5°F on December 31, and lows from -6°F to -13°F. Normal precipitation for the month is 0.50 in over about 5 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
- 8°F
- Average low
- -9°F
- Precipitation
- 0.50 in
- Snowfall
- 6.8 in
- Record high
- 55°FDec 11, 1985
- Record low
- -62°FDec 14, 1946
- Chance of a freeze
- 100%
- Daylight
- 5 h 07 min to 4 h 30 min
- Cloud cover
- 57%
- Humidity
- 95%
- Dew point
- -1°F
- Wind
- 6.7 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 | 10°F | -6°F | 42°F 1976 | -46°F 1994 | 17% | 19% |
| Dec 2 | 10°F | -6°F | 43°F 1992 | -45°F 1975 | 17% | 19% |
| Dec 3 | 10°F | -6°F | 46°F 2011 | -50°F 1975 | 17% | 19% |
| Dec 4 | 10°F | -6°F | 51°F 2011 | -55°F 1975 | 17% | 19% |
| Dec 5 | 10°F | -7°F | 37°F 1989 | -58°F 1975 | 17% | 19% |
| Dec 6 | 10°F | -7°F | 43°F 1969 | -56°F 1975 | 16% | 19% |
| Dec 7 | 9°F | -7°F | 44°F 1960 | -46°F 1975 | 16% | 18% |
| Dec 8 | 9°F | -7°F | 45°F 2005 | -50°F 1975 | 16% | 18% |
| Dec 9 | 9°F | -7°F | 44°F 2005 | -51°F 1975 | 16% | 18% |
| Dec 10 | 9°F | -7°F | 52°F 1986 | -59°F 1964 | 16% | 18% |
| Dec 11 | 9°F | -8°F | 55°F 1985 | -60°F 1964 | 16% | 18% |
| Dec 12 | 9°F | -8°F | 50°F 1985 | -58°F 1964 | 16% | 18% |
| Dec 13 | 9°F | -8°F | 48°F 1943 | -60°F 1946 | 16% | 18% |
| Dec 14 | 8°F | -8°F | 37°F 1944 | -62°F 1946 | 16% | 18% |
| Dec 15 | 8°F | -9°F | 41°F 1986 | -52°F 1946 | 15% | 18% |
| Dec 16 | 8°F | -9°F | 44°F 1944 | -50°F 1980 | 15% | 18% |
| Dec 17 | 8°F | -9°F | 44°F 2005 | -50°F 1980 | 15% | 18% |
| Dec 18 | 8°F | -9°F | 42°F 1981 | -41°F 1957 | 15% | 18% |
| Dec 19 | 7°F | -10°F | 49°F 1985 | -44°F 1957 | 15% | 18% |
| Dec 20 | 7°F | -10°F | 34°F 2011 | -46°F 1961 | 15% | 18% |
| Dec 21 | 7°F | -10°F | 52°F 1999 | -48°F 1961 | 15% | 18% |
| Dec 22 | 7°F | -10°F | 49°F 1999 | -50°F 1961 | 15% | 18% |
| Dec 23 | 7°F | -11°F | 45°F 1985 | -52°F 1942 | 15% | 18% |
| Dec 24 | 6°F | -11°F | 47°F 1985 | -52°F 1942 | 15% | 18% |
| Dec 25 | 6°F | -11°F | 37°F 1987 | -52°F 1961 | 15% | 18% |
| Dec 26 | 6°F | -12°F | 47°F 2021 | -54°F 1964 | 15% | 18% |
| Dec 27 | 6°F | -12°F | 48°F 2021 | -61°F 1961 | 15% | 18% |
| Dec 28 | 5°F | -12°F | 42°F 1982 | -61°F 1961 | 15% | 18% |
| Dec 29 | 5°F | -12°F | 45°F 1967 | -61°F 1961 | 15% | 18% |
| Dec 30 | 5°F | -13°F | 45°F 2015 | -46°F 1974 | 15% | 18% |
| Dec 31 | 5°F | -13°F | 46°F 1980 | -46°F 1964 | 15% | 18% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (AKST).
- December 1
- sunrise 9:56 AM, sunset 3:03 PM
- December 31
- sunrise 10:29 AM, sunset 2:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00502352 (Delta Junction 20 Se), public domain. Records: NOAA GHCN-Daily, station USW00026415, 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.