Welsh Weather in December
Average highs run from 66°F on December 1 to 60°F on December 31, and lows from 46°F to 42°F. Normal precipitation for the month is 4.74 in over about 11 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
- 63°F
- Average low
- 44°F
- Precipitation
- 4.74 in
- Snowfall
- 0.1 in
- Record high
- 89°FDec 2, 1917
- Record low
- 10°FDec 23, 1989
- Chance of a freeze
- 76%
- Daylight
- 10 h 21 min to 10 h 14 min
- Cloud cover
- 61%
- Humidity
- 84%
- Dew point
- 49°F
- Wind
- 10.7 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 | 66°F | 46°F | 83°F 1922 | 22°F 1976 | 33% | 0% |
| Dec 2 | 65°F | 46°F | 89°F 1917 | 26°F 1960 | 33% | 0% |
| Dec 3 | 65°F | 45°F | 82°F 1921 | 25°F 1929 | 33% | 0% |
| Dec 4 | 65°F | 45°F | 83°F 1933 | 26°F 1929 | 33% | 0% |
| Dec 5 | 65°F | 45°F | 83°F 1926 | 25°F 1898 | 34% | 0% |
| Dec 6 | 64°F | 45°F | 85°F 1916 | 22°F 1937 | 34% | 0% |
| Dec 7 | 64°F | 45°F | 83°F 1916 | 17°F 1950 | 34% | 0% |
| Dec 8 | 64°F | 45°F | 84°F 1916 | 25°F 1927 | 34% | 0% |
| Dec 9 | 64°F | 45°F | 84°F 1943 | 17°F 1917 | 35% | 0% |
| Dec 10 | 64°F | 44°F | 82°F 1943 | 18°F 1917 | 35% | 0% |
| Dec 11 | 63°F | 44°F | 87°F 1918 | 22°F 1898 | 35% | 0% |
| Dec 12 | 63°F | 44°F | 81°F 1921 | 21°F 1962 | 35% | 0% |
| Dec 13 | 63°F | 44°F | 84°F 1921 | 16°F 1962 | 36% | 0% |
| Dec 14 | 63°F | 44°F | 80°F 1933 | 24°F 1914 | 36% | 0% |
| Dec 15 | 63°F | 44°F | 80°F 1933 | 23°F 1952 | 36% | 0% |
| Dec 16 | 62°F | 44°F | 82°F 1924 | 21°F 1989 | 36% | 0% |
| Dec 17 | 62°F | 43°F | 83°F 1924 | 21°F 1989 | 37% | 0% |
| Dec 18 | 62°F | 43°F | 81°F 1924 | 22°F 1979 | 37% | 0% |
| Dec 19 | 62°F | 43°F | 80°F 1908 | 22°F 1975 | 37% | 0% |
| Dec 20 | 62°F | 43°F | 80°F 1898 | 19°F 1901 | 37% | 0% |
| Dec 21 | 62°F | 43°F | 82°F 1916 | 22°F 1973 | 37% | 0% |
| Dec 22 | 61°F | 43°F | 79°F 1931 | 18°F 1989 | 37% | 0% |
| Dec 23 | 61°F | 43°F | 82°F 1931 | 10°F 1989 | 38% | 0% |
| Dec 24 | 61°F | 43°F | 87°F 1948 | 10°F 1989 | 38% | 0% |
| Dec 25 | 61°F | 42°F | 81°F 2015 | 11°F 1983 | 38% | 0% |
| Dec 26 | 61°F | 42°F | 80°F 2016 | 13°F 1983 | 38% | 0% |
| Dec 27 | 61°F | 42°F | 82°F 2015 | 19°F 1983 | 38% | 0% |
| Dec 28 | 61°F | 42°F | 81°F 2015 | 22°F 1925 | 38% | 0% |
| Dec 29 | 60°F | 42°F | 80°F 1984 | 23°F 1961 | 38% | 0% |
| Dec 30 | 60°F | 42°F | 82°F 1934 | 17°F 1917 | 38% | 0% |
| Dec 31 | 60°F | 42°F | 81°F 1984 | 17°F 1917 | 38% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 6:50 AM, sunset 5:11 PM
- December 31
- sunrise 7:07 AM, sunset 5:21 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00164700 (Jennings), public domain. Records: NOAA GHCN-Daily, station USC00164700, 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.