Vaughn climate

Vaughn Weather in December

NOAA 1991-2020 normals for Great Falls Intl AP, 15.7 km from Vaughn

Average highs run from 38°F on December 1 to 35°F on December 31, and lows from 20°F to 15°F. Normal precipitation for the month is 0.53 in over about 7 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 Vaughn, in °F, with the record for each date.-50-250255075151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
36°F
Average low
16°F
Precipitation
0.53 in
Snowfall
9.6 in
Record high
69°FDec 1, 2021
Record low
-43°FDec 29, 1968
Chance of a freeze
100%
Daylight
8 h 44 min to 8 h 31 min
Cloud cover
68%
Humidity
77%
Dew point
18°F
Wind
11.9 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 138°F20°F69°F 2021-29°F 198520%21%
Dec 238°F19°F60°F 1941-28°F 198520%21%
Dec 338°F19°F61°F 1987-19°F 197220%21%
Dec 438°F19°F62°F 1939-23°F 201320%21%
Dec 537°F19°F69°F 1939-26°F 201320%21%
Dec 637°F18°F64°F 2023-28°F 201320%21%
Dec 737°F18°F60°F 2024-33°F 201320%21%
Dec 837°F18°F63°F 2020-36°F 197220%21%
Dec 936°F17°F62°F 1957-26°F 197720%21%
Dec 1036°F17°F67°F 1939-22°F 200020%22%
Dec 1136°F17°F60°F 1939-21°F 200020%22%
Dec 1236°F17°F63°F 2014-19°F 200020%22%
Dec 1336°F17°F57°F 1998-19°F 196321%22%
Dec 1435°F16°F63°F 2025-25°F 200821%22%
Dec 1535°F16°F63°F 2025-28°F 196421%23%
Dec 1635°F16°F63°F 1980-36°F 196421%23%
Dec 1735°F16°F59°F 1976-27°F 198321%23%
Dec 1835°F16°F58°F 1979-21°F 199021%23%
Dec 1935°F15°F59°F 2004-25°F 199022%23%
Dec 2035°F15°F59°F 2024-28°F 199022%24%
Dec 2135°F15°F59°F 2019-35°F 199022%24%
Dec 2235°F15°F56°F 1994-32°F 202222%24%
Dec 2335°F15°F56°F 1960-30°F 198322%24%
Dec 2435°F15°F58°F 1950-42°F 198322%24%
Dec 2535°F15°F59°F 2005-29°F 198322%24%
Dec 2635°F15°F60°F 1980-27°F 199622%24%
Dec 2735°F15°F63°F 1980-24°F 202123%25%
Dec 2835°F15°F58°F 1999-35°F 196823%25%
Dec 2935°F15°F60°F 1956-43°F 196823%25%
Dec 3035°F15°F53°F 1956-30°F 196823%25%
Dec 3135°F15°F59°F 1963-26°F 201723%25%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Vaughn, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

December 1
sunrise 7:53 AM, sunset 4:37 PM
December 31
sunrise 8:14 AM, sunset 4:45 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024143 (Great Falls Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00024143, 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.