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Weather on December 21

Bellevue, WA

55 Years of Data

Avg High
46°F
Avg Low
37°F
Warmest
1972
52°F avg
Coldest
1990
15°F avg

About This Date

December 21st in Bellevue, WA typically brings chilly winter weather, with average highs around 46°F and lows near 37°F. Over 55 years of records, the warmest December 21st was in 1972 (52°F average), while the coldest was 1990 (15°F) — a 37°F range across recorded history. Precipitation has occurred on 60% of recorded December 21st dates, with snow falling 4% of the time (heaviest snowfall: 2.5"). Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for December 21st in Bellevue, WA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

YearHighLowAvgPrecipSnow
202550°44°47°0.33"
202454°44°49°0.91"
202348°40°44°
202230°21°26°
202143°35°39°0.43"
202056°33°44°5.56"0.2"
201950°42°46°2.26"
201843°38°40°0.05"
201740°28°34°0.1"
201647°34°40°
201542°38°40°1.4"
201455°49°52°
201344°40°42°0.48"
201247°32°39°0.15"
201147°34°40°
201053°40°46°0.18"
200950°40°45°1.3"
200833°27°30°0.89"2.5"
200742°32°37°
200652°39°45°0.74"
200551°44°48°1.7"
200443°37°40°0.18"
200350°41°46°0.03"
200245°41°43°
200145°33°39°
200049°35°42°0.28"
199947°37°42°
199827°21°24°
199744°34°39°0.33"
199643°37°40°0.61"
199552°35°43°
199451°37°44°
199344°35°40°
199244°42°43°0.15"
199145°41°43°0.03"
1990coldest20°10°15°
198949°41°45°
198842°39°41°
198745°40°42°0.13"
198648°42°45°0.69"
198543°33°38°
198446°36°41°0.15"
198326°16°21°
198250°40°45°0.46"
198145°36°40°0.08"
198051°44°48°1.45"
197951°43°47°1.96"
197846°40°43°
197748°32°40°
197648°40°44°
197543°31°37°
197457°39°48°2.54"
197357°44°51°0.66"
1972warmest55°49°52°1.17"
197141°34°37°0.64"
55 years of data from SEATTLE UNIV OF WASHIN

Bellevue, WA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

30°40°50°60°70°80°90°JFMAMJJASOND
Avg high Avg low

Bellevue, WA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"3.8"7.5"JFMAMJJASOND1.8"0"
Rain (in) Snow (in)

Bellevue, WA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Bellevue, WA

Bellevue, WA has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

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