Williston climate

Williston Weather in December

NOAA 1991-2020 normals for Usher Twr, 36.1 km from Williston

Average highs run from 70°F on December 1 to 67°F on December 31, and lows from 49°F to 44°F. Normal precipitation for the month is 3.25 in over about 6 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 Williston, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
68°F
Average low
47°F
Precipitation
3.25 in
Record high
86°FDec 2, 1982
Record low
12°FDec 25, 1983
Chance of a freeze
74%
Daylight
10 h 24 min to 10 h 18 min
Cloud cover
53%
Humidity
81%
Dew point
51°F
Wind
5.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 170°F49°F85°F 199124°F 195919%
Dec 270°F49°F86°F 198222°F 199919%
Dec 370°F49°F86°F 198227°F 200819%
Dec 470°F49°F84°F 198224°F 198919%
Dec 570°F48°F83°F 199827°F 196819%
Dec 669°F48°F82°F 197125°F 198119%
Dec 769°F48°F84°F 197823°F 196219%
Dec 869°F48°F85°F 197823°F 201019%
Dec 969°F48°F85°F 197222°F 196820%
Dec 1069°F48°F82°F 197224°F 196220%
Dec 1169°F48°F84°F 197220°F 196820%
Dec 1269°F47°F85°F 197120°F 195720%
Dec 1368°F47°F86°F 197213°F 196220%
Dec 1468°F47°F85°F 197218°F 196220%
Dec 1568°F47°F86°F 198421°F 201020%
Dec 1668°F47°F86°F 198415°F 196820%
Dec 1768°F47°F86°F 198418°F 196820%
Dec 1868°F46°F83°F 202123°F 196020%
Dec 1968°F46°F83°F 196721°F 198120%
Dec 2068°F46°F82°F 196720°F 200020%
Dec 2168°F46°F83°F 196720°F 198120%
Dec 2267°F46°F81°F 195624°F 196020%
Dec 2367°F46°F80°F 196223°F 196020%
Dec 2467°F45°F83°F 198115°F 198920%
Dec 2567°F45°F85°F 198212°F 198320%
Dec 2667°F45°F85°F 198415°F 198321%
Dec 2767°F45°F84°F 201517°F 198321%
Dec 2867°F45°F85°F 197120°F 201021%
Dec 2967°F45°F83°F 199021°F 201021%
Dec 3067°F45°F84°F 199020°F 196121%
Dec 3167°F44°F86°F 198417°F 200021%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 7:07 AM, sunset 5:31 PM
December 31
sunrise 7:24 AM, sunset 5:42 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00089120 (Usher Twr), public domain. Records: NOAA GHCN-Daily, station USC00089120, 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.