Nez Perce County climate

Nez Perce County Weather in December

NOAA 1991-2020 normals for Winchester, 13.9 km from Nez Perce County

Average highs run from 37°F on December 1 to 35°F on December 31, and lows from 24°F to 22°F. Normal precipitation for the month is 1.78 in over about 15 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 Nez Perce County, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
35°F
Average low
22°F
Precipitation
1.78 in
Snowfall
14.5 in
Record high
66°FDec 11, 2014
Record low
-22°FDec 30, 1968
Chance of a freeze
100%
Daylight
8 h 52 min to 8 h 40 min
Cloud cover
74%
Humidity
92%
Dew point
24°F
Wind
5.4 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 137°F24°F64°F 20213°F 198550%30%
Dec 237°F24°F61°F 19758°F 198550%30%
Dec 336°F24°F62°F 198019°F 197250%30%
Dec 436°F23°F63°F 20075°F 197249%31%
Dec 536°F23°F61°F 20235°F 197249%31%
Dec 636°F23°F57°F 20255°F 201349%31%
Dec 736°F23°F57°F 19732°F 197249%31%
Dec 835°F23°F62°F 2015-7°F 197249%32%
Dec 935°F23°F64°F 2015-10°F 197249%32%
Dec 1035°F22°F65°F 2025-9°F 197249%32%
Dec 1135°F22°F66°F 2014-3°F 196149%32%
Dec 1235°F22°F59°F 19955°F 197249%33%
Dec 1335°F22°F59°F 2006-1°F 197249%33%
Dec 1435°F22°F65°F 20028°F 196748%33%
Dec 1534°F22°F62°F 20026°F 196748%33%
Dec 1634°F22°F61°F 1982-7°F 196448%33%
Dec 1734°F22°F55°F 2025-11°F 196448%33%
Dec 1834°F22°F60°F 20240°F 201648%33%
Dec 1934°F22°F54°F 20203°F 198448%33%
Dec 2034°F22°F55°F 19940°F 198348%33%
Dec 2134°F22°F60°F 1972-8°F 198348%34%
Dec 2234°F22°F58°F 1980-13°F 198348%34%
Dec 2334°F22°F54°F 1950-16°F 198348%34%
Dec 2434°F22°F57°F 2025-13°F 198348%34%
Dec 2534°F22°F59°F 19806°F 198348%34%
Dec 2634°F22°F62°F 19808°F 194848%34%
Dec 2735°F22°F59°F 19805°F 194848%34%
Dec 2835°F22°F63°F 19654°F 199048%34%
Dec 2935°F22°F57°F 2011-10°F 196848%35%
Dec 3035°F22°F54°F 1998-22°F 196848%35%
Dec 3135°F22°F54°F 1958-10°F 196848%35%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Nez Perce 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 (PST).

December 1
sunrise 7:10 AM, sunset 4:02 PM
December 31
sunrise 7:30 AM, sunset 4:10 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00109846 (Winchester), public domain. Records: NOAA GHCN-Daily, station USW00024149, 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.