Washington County climate

Washington County Weather in December

NOAA 1991-2020 normals for Wesley, 5 km from Washington County

Average highs run from 39°F on December 1 to 30°F on December 31, and lows from 25°F to 14°F. Normal precipitation for the month is 5.12 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 Washington County, in °F, with the record for each date.-200204060151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
34°F
Average low
19°F
Precipitation
5.12 in
Snowfall
16.6 in
Record high
59°FDec 1, 2020
Record low
-13°FDec 31, 2017
Chance of a freeze
100%
Daylight
9 h 02 min to 8 h 50 min
Cloud cover
67%
Humidity
89%
Dew point
23°F
Wind
6.9 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 139°F25°F59°F 20207°F 201241%11%
Dec 238°F24°F52°F 201216°F 202541%11%
Dec 338°F24°F53°F 202216°F 202441%12%
Dec 438°F24°F49°F 20126°F 202541%12%
Dec 537°F23°F53°F 20112°F 202541%12%
Dec 637°F23°F55°F 20215°F 202541%13%
Dec 737°F23°F51°F 20158°F 201441%13%
Dec 836°F22°F51°F 20220°F 202541%14%
Dec 936°F22°F51°F 2019-5°F 202541%14%
Dec 1036°F21°F53°F 20196°F 202141%14%
Dec 1136°F21°F57°F 20214°F 201841%15%
Dec 1235°F21°F57°F 20214°F 201341%15%
Dec 1335°F20°F45°F 20170°F 201841%15%
Dec 1435°F20°F53°F 2019-5°F 201341%16%
Dec 1534°F20°F51°F 2019-1°F 201641%16%
Dec 1634°F19°F49°F 2011-8°F 201641%17%
Dec 1734°F19°F55°F 2024-10°F 201341%17%
Dec 1833°F19°F57°F 20233°F 201741%17%
Dec 1933°F18°F53°F 2025-4°F 201642%18%
Dec 2033°F18°F41°F 2018-8°F 201642%18%
Dec 2132°F18°F54°F 20185°F 201942%18%
Dec 2232°F17°F52°F 20182°F 201742%19%
Dec 2332°F17°F53°F 20222°F 202442%19%
Dec 2432°F16°F52°F 20142°F 201142%19%
Dec 2531°F16°F57°F 2020-1°F 201142%20%
Dec 2631°F16°F54°F 2020-1°F 202542%20%
Dec 2731°F15°F51°F 2016-5°F 201742%20%
Dec 2830°F15°F50°F 2011-10°F 201742%20%
Dec 2930°F15°F43°F 2018-12°F 201742%21%
Dec 3030°F15°F50°F 2024-12°F 201742%21%
Dec 3130°F14°F48°F 2022-13°F 201742%21%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Washington County, 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 (EST).

December 1
sunrise 6:48 AM, sunset 3:50 PM
December 31
sunrise 7:09 AM, sunset 3:59 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00179294 (Wesley), public domain. Records: NOAA GHCN-Daily, station USC00172443, 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.