Weston County climate

Weston County Weather in December

NOAA 1991-2020 normals for Upton, 28.2 km from Weston County

Average highs run from 36°F on December 1 to 32°F on December 31, and lows from 13°F to 9°F. Normal precipitation for the month is 0.45 in over about 4 wet days.

December day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Weston County, in °F, with the record for each date.-50-250255075151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
33°F
Average low
10°F
Precipitation
0.45 in
Snowfall
8.3 in
Record high
68°FDec 5, 1939
Record low
-35°FDec 21, 1983
Chance of a freeze
100%
Daylight
9 h 09 min to 8 h 59 min
Cloud cover
64%
Humidity
78%
Dew point
16°F
Wind
9.4 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Dec 136°F13°F61°F 1951-19°F 198512%10%
Dec 236°F13°F65°F 1995-24°F 198512%11%
Dec 336°F13°F64°F 2021-5°F 190912%11%
Dec 435°F12°F63°F 1907-5°F 190912%11%
Dec 535°F12°F68°F 1939-24°F 197212%11%
Dec 635°F12°F66°F 1939-22°F 197212%11%
Dec 734°F12°F59°F 1918-20°F 192712%12%
Dec 834°F11°F61°F 1939-24°F 197212%12%
Dec 934°F11°F62°F 1939-25°F 191912%12%
Dec 1034°F11°F63°F 1990-17°F 193213%12%
Dec 1133°F11°F66°F 1939-17°F 193213%12%
Dec 1233°F10°F60°F 1921-23°F 191913%12%
Dec 1333°F10°F64°F 2014-20°F 191913%13%
Dec 1433°F10°F60°F 1929-18°F 192613%13%
Dec 1533°F10°F61°F 1998-19°F 194513%13%
Dec 1633°F10°F59°F 1962-18°F 197913%13%
Dec 1732°F10°F59°F 1980-30°F 196414%13%
Dec 1832°F10°F63°F 1931-27°F 196414%13%
Dec 1932°F9°F55°F 1931-20°F 192414%13%
Dec 2032°F9°F60°F 1941-22°F 199014%14%
Dec 2132°F9°F60°F 1933-35°F 198314%14%
Dec 2232°F9°F61°F 1933-31°F 198314%14%
Dec 2332°F9°F62°F 2025-30°F 198314%14%
Dec 2432°F9°F58°F 1936-34°F 198314%14%
Dec 2532°F9°F63°F 2025-22°F 198314%14%
Dec 2632°F9°F60°F 2025-18°F 199614%14%
Dec 2732°F9°F58°F 1980-10°F 192014%14%
Dec 2832°F9°F55°F 1936-15°F 194614%14%
Dec 2932°F9°F61°F 1933-28°F 199014%14%
Dec 3032°F9°F55°F 1965-28°F 199015%14%
Dec 3132°F9°F56°F 1926-24°F 192315%14%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Weston County, in percent, and of at least 0.1 inch of snowfall.0510151102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

December 1
sunrise 7:13 AM, sunset 4:22 PM
December 31
sunrise 7:32 AM, sunset 4:31 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00489205 (Upton), public domain. Records: NOAA GHCN-Daily, station USC00486660, 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.