Washington County climate

Washington County Weather in December

NOAA 1991-2020 normals for Erwin 1 W, 17.9 km from Washington County

Average highs run from 54°F on December 1 to 48°F on December 31, and lows from 30°F to 26°F. Normal precipitation for the month is 3.64 in over about 12 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.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
50°F
Average low
28°F
Precipitation
3.64 in
Snowfall
2.4 in
Record high
78°FDec 7, 1951
Record low
-9°FDec 13, 1962
Chance of a freeze
100%
Daylight
9 h 52 min to 9 h 44 min
Cloud cover
69%
Humidity
82%
Dew point
32°F
Wind
6.3 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 154°F30°F74°F 19709°F 196434%2%
Dec 253°F30°F75°F 198213°F 196035%2%
Dec 353°F29°F76°F 198211°F 197935%2%
Dec 453°F29°F76°F 198211°F 194035%2%
Dec 553°F29°F74°F 200116°F 196935%3%
Dec 652°F29°F73°F 195112°F 197736%3%
Dec 752°F29°F78°F 19514°F 197736%3%
Dec 852°F29°F77°F 197810°F 200636%3%
Dec 952°F29°F73°F 19668°F 200636%3%
Dec 1051°F29°F76°F 19716°F 193736%3%
Dec 1151°F29°F74°F 20214°F 193736%3%
Dec 1251°F29°F75°F 1949-5°F 196237%4%
Dec 1351°F28°F72°F 2015-9°F 196237%4%
Dec 1451°F28°F71°F 20159°F 194237%4%
Dec 1550°F28°F75°F 19715°F 201037%4%
Dec 1650°F28°F72°F 20153°F 198937%4%
Dec 1750°F28°F69°F 20016°F 194337%4%
Dec 1850°F28°F73°F 19904°F 195338%5%
Dec 1950°F28°F68°F 19394°F 196338%5%
Dec 2049°F28°F66°F 19785°F 200438%5%
Dec 2149°F28°F74°F 20137°F 196338%5%
Dec 2249°F27°F73°F 20131°F 198938%5%
Dec 2349°F27°F68°F 2015-4°F 198938%5%
Dec 2449°F27°F72°F 1964-3°F 198338%5%
Dec 2549°F27°F74°F 1982-6°F 198338%6%
Dec 2648°F27°F73°F 20150°F 198338%6%
Dec 2748°F27°F77°F 20158°F 194838%6%
Dec 2848°F27°F73°F 20158°F 201038%6%
Dec 2948°F26°F74°F 20199°F 197738%6%
Dec 3048°F26°F67°F 19906°F 196338%6%
Dec 3148°F26°F75°F 20185°F 198338%6%

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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 7:23 AM, sunset 5:15 PM
December 31
sunrise 7:41 AM, sunset 5:25 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00402934 (Erwin 1 W), public domain. Records: NOAA GHCN-Daily, station USW00013877, 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.