Climateby Month

Kent, WA weather in December

NOAA 1991-2020 normals and daily records · Kent all year

Expect chilly weather with rain on most days in Kent in December, with highs near 47°F and lows near 37°F. Rain or snow falls on about 18 days. Snowfall averages about 1.7 in. It is one of the coldest months in Kent. Pack rain gear.

Normal high
47°F
Normal low
37°F
Wet days
18
5.7 in total
Snowfall
1.7 in
snow on the ground 1 day

How December changes from start to finish

Normal values at the start and end of December
December 1December 31
Normal high49°F47°F
Normal low38°F37°F
Chance of a wet day60%61%
Sunrise / sunset7:35 am / 4:20 pm7:56 am / 4:27 pm
Daylight8.8 h8.5 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).

A typical December day

  1. 6 am40°Fdew point 35°F
  2. 9 am40°Fdew point 35°F
  3. Noon44°Fdew point 36°F
  4. 3 pm44°Fdew point 36°F
  5. 6 pm42°Fdew point 36°F
  6. 9 pm41°Fdew point 35°F

NOAA hourly normals (local standard time) from Seattle Tacoma Intl Airport (6 mi away); average wind 9 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow18 of 31
  • Notable rainat least 0.10 in12 of 31
  • Freezing nightslow 32°F or below7 of 31
  • Snow on the groundsnow depth 1 in or more1 of 31

Average days per December, counted from daily records for each year 1991-2020.

Rain and snow in December

Normal precipitation is 5.7 in; a dry December brings about 3.9 in and a wet one about 7.2 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 1.7 in, with about 1 day of an inch or more.

How December varies from year to year

  • Warmest December, 1991-20202014: average high 50°F
  • Coolest December2008: average high 41°F
  • Wettest December2015: 11.2 in
  • Driest December2013: 1.7 in
  • Highest reading66°F (December 10, 2014)
  • Lowest reading14°F (December 20, 2008)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

December compared with November and January

NovemberDecemberJanuary
Normal high52°F47°F48°F
Normal low41°F37°F38°F
Wet days181819
Comfortable days000
Daylight9.3 h8.5 h9.0 h

Highs change by -5°F from November and +1°F into January.

Nearby alternatives in December

How Kent ranks in December

  • Normal high208th warmest of 378 cities; 2nd of 9 in Washington
  • Wet days362nd driest of 378
  • Comfortable days329th most of 340

What to pack for Kent in December

  • A warm jacket – lows near 37°F, highs near 47°F
  • A rain jacket or umbrella – rain or snow on about 18 days

Heating and cooling

December has 711 heating degree days and 0 cooling degree days (base 65°F), 15% of the year's total heating and cooling demand.

Questions

How cold is Kent in December?

The normal high is 47°F and the normal low is 37°F. From 1991 to 2020 the coldest December reading was 14°F (December 20, 2008).

Does it rain a lot in Kent in December?

About 18 days in December have at least 0.01 in of precipitation, and the normal total is 5.7 in. The wettest December in 1991-2020 was in 2015 (11.2 in); the driest was in 2013 (1.7 in).

Does it snow in Kent in December?

Yes. Normal snowfall in December is 1.7 in, and snow covers the ground on about 1 day.

Is December a good time to visit Kent?

December ranks 12th of 12 months on our comfort score for Kent (32 out of 100). It has almost no comfortable days. The best months are June, July and August.

Where the numbers come from

  • Temperature, rain and humidity and wind by hour: Seattle Tacoma Intl Airport (USW00024233), 5.7 mi NW of the city center, 370 ft (327 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Seattle Sand Pt WSFO (USW00094290), 21 mi N of the city center, 60 ft . NOAA normals and daily records, 1991-2020.
  • Frost dates: Kent (USC00454169), 2.5 mi N of the city center, 30 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Seattle-Tacoma International Airport (727930-24233), 5.8 mi NW of the city center, 369 ft (326 ft higher than the city). Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).