Lowell climate

Lowell Weather in December

NOAA 1991-2020 normals for Lookout Pt Dam, 2 km from Lowell

Average highs run from 48°F on December 1 to 46°F on December 31, and lows from 39°F to 36°F. Normal precipitation for the month is 7.04 in over about 20 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 Lowell, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
46°F
Average low
37°F
Precipitation
7.04 in
Record high
73°FDec 17, 1926
Record low
-4°FDec 10, 1972
Chance of a freeze
91%
Daylight
9 h 09 min to 8 h 57 min
Cloud cover
75%
Humidity
93%
Dew point
38°F
Wind
4.5 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 148°F39°F68°F 192619°F 198564%0%
Dec 248°F38°F69°F 195819°F 198564%0%
Dec 348°F38°F66°F 195820°F 201364%0%
Dec 447°F38°F67°F 198918°F 201364%0%
Dec 547°F38°F64°F 197021°F 201364%0%
Dec 647°F38°F66°F 202318°F 201364%0%
Dec 747°F38°F65°F 19382°F 201364%0%
Dec 847°F37°F65°F 20143°F 201364%0%
Dec 946°F37°F66°F 2014-1°F 197264%0%
Dec 1046°F37°F69°F 2014-4°F 197264%0%
Dec 1146°F37°F66°F 19550°F 197264%0%
Dec 1246°F37°F63°F 19210°F 191964%0%
Dec 1346°F37°F67°F 1921-4°F 191964%0%
Dec 1446°F37°F64°F 20020°F 191964%0%
Dec 1546°F37°F65°F 19629°F 193264%0%
Dec 1646°F37°F64°F 194111°F 200864%0%
Dec 1746°F37°F73°F 19267°F 192464%0%
Dec 1846°F36°F64°F 19313°F 192464%0%
Dec 1945°F36°F63°F 19401°F 192464%0%
Dec 2045°F36°F63°F 19407°F 192464%0%
Dec 2145°F36°F66°F 19401°F 199064%0%
Dec 2245°F36°F65°F 19403°F 199064%0%
Dec 2345°F36°F65°F 1950-3°F 192464%0%
Dec 2445°F36°F61°F 19227°F 199064%0%
Dec 2545°F36°F64°F 1980-3°F 192464%0%
Dec 2645°F36°F64°F 19501°F 192464%0%
Dec 2745°F36°F62°F 196114°F 198564%0%
Dec 2845°F36°F67°F 191716°F 198564%0%
Dec 2945°F36°F62°F 191710°F 199064%0%
Dec 3045°F36°F68°F 19808°F 197864%0%
Dec 3146°F36°F60°F 193916°F 196864%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lowell, in percent, and of at least 0.1 inch of snowfall.0204060801102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PST).

December 1
sunrise 7:26 AM, sunset 4:35 PM
December 31
sunrise 7:46 AM, sunset 4:43 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00355050 (Lookout Pt Dam), public domain. Records: NOAA GHCN-Daily, station USC00351897, 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.