Williston climate

Williston Weather in December

NOAA 1991-2020 normals for Blackville 3 W, 10.1 km from Williston

Average highs run from 62°F on December 1 to 57°F on December 31, and lows from 40°F to 36°F. Normal precipitation for the month is 3.90 in over about 10 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
59°F
Average low
38°F
Precipitation
3.90 in
Record high
80°FDec 6, 2013
Record low
12°FDec 24, 2022
Chance of a freeze
98%
Daylight
10 h 06 min to 9 h 59 min
Cloud cover
55%
Humidity
80%
Dew point
40°F
Wind
8.1 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 162°F40°F75°F 202328°F 200226%0%
Dec 262°F40°F75°F 201224°F 202027%0%
Dec 361°F40°F78°F 202125°F 200827%0%
Dec 461°F40°F73°F 200523°F 202427%0%
Dec 561°F39°F74°F 201726°F 200628%0%
Dec 661°F39°F80°F 201320°F 201028%0%
Dec 760°F39°F76°F 202220°F 201028%0%
Dec 860°F39°F74°F 200415°F 201028%0%
Dec 960°F39°F78°F 200718°F 200629%0%
Dec 1060°F39°F79°F 200723°F 200629%
Dec 1160°F39°F79°F 200727°F 201429%
Dec 1259°F38°F79°F 200727°F 201430%
Dec 1359°F38°F78°F 200725°F 201030%
Dec 1459°F38°F75°F 201514°F 201030%
Dec 1559°F38°F73°F 201516°F 201030%
Dec 1659°F38°F74°F 201920°F 200430%
Dec 1759°F38°F75°F 202425°F 200731%
Dec 1859°F38°F79°F 201623°F 200731%
Dec 1958°F38°F76°F 200627°F 202031%
Dec 2058°F38°F72°F 201221°F 200431%
Dec 2158°F37°F79°F 201320°F 200331%
Dec 2258°F37°F78°F 201323°F 200531%
Dec 2358°F37°F75°F 201719°F 202231%
Dec 2458°F37°F78°F 202512°F 202231%
Dec 2558°F37°F79°F 202517°F 202231%
Dec 2658°F37°F79°F 201517°F 202231%
Dec 2757°F37°F78°F 202522°F 202231%
Dec 2857°F37°F78°F 201519°F 201031%
Dec 2957°F37°F78°F 201522°F 201031%
Dec 3057°F36°F76°F 201526°F 201031%
Dec 3157°F36°F75°F 202124°F 202531%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Williston, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 7:12 AM, sunset 5:18 PM
December 31
sunrise 7:29 AM, sunset 5:28 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00063826 (Blackville 3 W), public domain. Records: NOAA GHCN-Daily, station USW00063826, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.