Coulee City climate

Coulee City Weather in December

NOAA 1991-2020 normals for Hartline, 16.4 km from Coulee City

Average highs run from 37°F on December 1 to 31°F on December 31, and lows from 26°F to 21°F. Normal precipitation for the month is 1.57 in.

December day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Coulee City, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
33°F
Average low
23°F
Precipitation
1.57 in
Record high
69°FDec 1, 2021
Record low
-21°FDec 23, 1983
Chance of a freeze
100%
Daylight
8 h 43 min to 8 h 30 min
Cloud cover
73%
Humidity
88%
Dew point
24°F
Wind
7.2 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 137°F26°F69°F 20211°F 1985
Dec 236°F25°F60°F 20212°F 2006
Dec 336°F25°F59°F 19753°F 1985
Dec 436°F25°F60°F 20072°F 2005
Dec 535°F24°F52°F 19535°F 1984
Dec 635°F24°F56°F 20253°F 1956
Dec 735°F24°F51°F 1973-1°F 2013
Dec 834°F24°F57°F 2025-2°F 2013
Dec 934°F24°F56°F 20250°F 1972
Dec 1034°F23°F64°F 20250°F 1963
Dec 1133°F23°F63°F 2025-2°F 1963
Dec 1233°F23°F55°F 1999-5°F 1972
Dec 1333°F23°F52°F 2014-4°F 1972
Dec 1433°F23°F52°F 1979-1°F 1975
Dec 1532°F22°F65°F 2025-5°F 1971
Dec 1632°F22°F59°F 1999-10°F 1964
Dec 1732°F22°F53°F 1990-11°F 1964
Dec 1832°F22°F54°F 1999-1°F 2016
Dec 1932°F22°F49°F 2020-7°F 1984
Dec 2031°F22°F56°F 1994-1°F 1984
Dec 2131°F22°F55°F 2014-9°F 1984
Dec 2231°F22°F52°F 2014-11°F 1990
Dec 2331°F21°F48°F 1969-21°F 1983
Dec 2431°F21°F53°F 1957-3°F 1983
Dec 2531°F21°F53°F 1957-1°F 1964
Dec 2631°F21°F60°F 1980-2°F 1988
Dec 2731°F21°F56°F 19802°F 1968
Dec 2831°F21°F55°F 2011-10°F 1968
Dec 2931°F21°F55°F 1998-14°F 1968
Dec 3031°F21°F50°F 2011-16°F 1968
Dec 3131°F21°F51°F 1954-9°F 1978

Chance of rain

Sunrise and sunset

Times for 2026, local time (PST).

December 1
sunrise 7:25 AM, sunset 4:08 PM
December 31
sunrise 7:45 AM, sunset 4:15 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00453529 (Hartline), public domain. Records: NOAA GHCN-Daily, station USW00024141, 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.