Afton climate

Afton Weather in December

NOAA 1991-2020 normals for Afton, 1.2 km from Afton

Average highs run from 31°F on December 1 to 25°F on December 31, and lows from 11°F to 4°F. Normal precipitation for the month is 1.41 in over about 13 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 Afton, in °F, with the record for each date.-40-200204060151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
27°F
Average low
7°F
Precipitation
1.41 in
Snowfall
17.5 in
Record high
58°FDec 1, 1995
Record low
-38°FDec 11, 1972
Chance of a freeze
100%
Daylight
9 h 16 min to 9 h 06 min
Cloud cover
59%
Humidity
93%
Dew point
13°F
Wind
5.4 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 131°F11°F58°F 1995-18°F 196737%30%
Dec 231°F10°F56°F 1995-19°F 197137%31%
Dec 330°F10°F52°F 1987-10°F 200638%31%
Dec 430°F10°F54°F 1998-23°F 198438%31%
Dec 529°F9°F54°F 2021-26°F 199238%32%
Dec 629°F9°F51°F 1981-22°F 197238%32%
Dec 729°F9°F48°F 1987-19°F 196039%33%
Dec 828°F8°F51°F 1976-15°F 196039%33%
Dec 928°F8°F55°F 1976-25°F 197239%33%
Dec 1028°F8°F54°F 2015-36°F 197239%34%
Dec 1127°F7°F45°F 2015-38°F 197239%34%
Dec 1227°F7°F48°F 2014-23°F 197240%35%
Dec 1327°F7°F56°F 2014-19°F 199740%35%
Dec 1427°F7°F45°F 2002-21°F 198440%35%
Dec 1526°F6°F49°F 1962-25°F 197240%36%
Dec 1626°F6°F48°F 1962-15°F 197240%36%
Dec 1726°F6°F50°F 2025-28°F 196440%36%
Dec 1826°F6°F45°F 1976-28°F 196440%37%
Dec 1926°F6°F44°F 2025-19°F 198441%37%
Dec 2026°F5°F50°F 1957-14°F 199741%37%
Dec 2125°F5°F52°F 1969-19°F 197741%37%
Dec 2225°F5°F48°F 1969-29°F 199041%37%
Dec 2325°F5°F46°F 2025-28°F 199041%37%
Dec 2425°F5°F48°F 2025-20°F 195741%37%
Dec 2525°F5°F53°F 2025-37°F 199041%37%
Dec 2625°F5°F46°F 2025-18°F 198740%37%
Dec 2725°F5°F48°F 2022-22°F 201540%37%
Dec 2825°F5°F44°F 1980-21°F 197940%37%
Dec 2925°F5°F46°F 2008-26°F 198240%36%
Dec 3025°F4°F48°F 1996-29°F 199040%36%
Dec 3125°F4°F46°F 1996-25°F 201440%36%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Afton, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

December 1
sunrise 7:35 AM, sunset 4:51 PM
December 31
sunrise 7:54 AM, sunset 5:00 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00480027 (Afton), public domain. Records: NOAA GHCN-Daily, station USC00480027, 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.