Greenwood climate

Greenwood Weather in December

NOAA 1991-2020 normals for Seattle Sand Pt Wsfo, 7.5 km from Greenwood

Average highs run from 48°F on December 1 to 46°F on December 31, and lows from 38°F to 37°F. Normal precipitation for the month is 5.55 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 Greenwood, in °F, with the record for each date.020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
47°F
Average low
37°F
Precipitation
5.55 in
Snowfall
1.7 in
Record high
69°FDec 10, 2014
Record low
11°FDec 16, 1964
Chance of a freeze
95%
Daylight
8 h 43 min to 8 h 29 min
Cloud cover
75%
Humidity
90%
Dew point
36°F
Wind
5.6 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°F38°F59°F 195825°F 201462%1%
Dec 248°F38°F60°F 195824°F 202262%1%
Dec 348°F38°F60°F 200728°F 200962%1%
Dec 448°F38°F57°F 194926°F 200562%1%
Dec 548°F38°F63°F 201522°F 201362%2%
Dec 647°F38°F59°F 201520°F 195662%2%
Dec 747°F38°F58°F 196218°F 201362%2%
Dec 847°F37°F63°F 201517°F 201363%2%
Dec 947°F37°F63°F 201416°F 200963%2%
Dec 1047°F37°F69°F 201414°F 200963%2%
Dec 1147°F37°F60°F 201418°F 200963%2%
Dec 1247°F37°F61°F 195220°F 200963%2%
Dec 1346°F37°F62°F 195229°F 195563%2%
Dec 1446°F37°F61°F 200220°F 200864%2%
Dec 1546°F37°F59°F 202522°F 196464%2%
Dec 1646°F37°F57°F 202511°F 196464%2%
Dec 1746°F37°F56°F 202412°F 196464%2%
Dec 1846°F37°F57°F 195921°F 196464%2%
Dec 1946°F37°F57°F 195018°F 200864%3%
Dec 2046°F37°F59°F 201416°F 200864%3%
Dec 2146°F37°F58°F 201418°F 199864%3%
Dec 2246°F37°F57°F 195015°F 199864%3%
Dec 2346°F37°F61°F 195018°F 199864%3%
Dec 2446°F37°F60°F 200518°F 194864%3%
Dec 2546°F37°F58°F 200524°F 196264%3%
Dec 2646°F37°F56°F 202222°F 202164%3%
Dec 2746°F37°F55°F 202217°F 202164%3%
Dec 2846°F37°F55°F 202323°F 202164%3%
Dec 2946°F37°F62°F 202323°F 202164%3%
Dec 3046°F37°F60°F 195824°F 200364%3%
Dec 3146°F37°F59°F 196317°F 195164%3%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Greenwood, 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 7:37 AM, sunset 4:20 PM
December 31
sunrise 7:58 AM, sunset 4:27 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094290 (Seattle Sand Pt Wsfo), public domain. Records: NOAA GHCN-Daily, station USW00024234, 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.