Weather on December 15 at Olympic

Olympic National Park

WAPacific West1,500 ft elevation
Avg High47°F
Avg Low38°F
Warmest198055°F
Coldest200827°F

Based on 55 years of data from Seattle, WA

Elevation Note: Olympic sits at 1,500 ft. Expect temperatures 5°F cooler than the data shown below, which comes from Seattle, WA at a lower elevation.

Planning Your Visit

December 15th in Olympic National Park (via Seattle, WA) typically brings chilly winter weather, with average highs around 47°F and lows near 38°F. Over 55 years of records, the warmest December 15th was in 1980 (55°F average), while the coldest was 2008 (27°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 60% of December 15th dates historically, with the wettest December 15th recording 3.35" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.

Planning for December 15th in Olympic? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202559°F49°F1.88"--
202449°F40°F0"--
202354°F38°F0"--
202242°F29°F0"--
202144°F36°F0"--
202049°F41°F0.2"--
201943°F35°F0.3"--
201851°F41°F0.23"--
201745°F36°F0.05"--
201639°F34°F0"--
201547°F33°F0.05"--
201457°F41°F0"--
201353°F48°F0.08"--
201242°F30°F0.61"--
201144°F38°F0.08"--
201049°F41°F0.25"--
200949°F38°F0.76"--
200831°F23°F0"--
200746°F41°F0.63"--
200649°F36°F0.15"--
200541°F24°F0"--
200453°F42°F0"--
200347°F39°F0.03"--
200255°F44°F1.07"--
200149°F39°F1.6"--
200043°F34°F0"--
199953°F49°F2.57"--
199851°F40°F0"--
199749°F42°F1.3"0"
199646°F36°F0.05"0"
199551°F41°F0.03"0"
199446°F39°F1.04"0"
199347°F43°F0"0"
199243°F32°F0"0"
199140°F29°F0"0"
199046°F35°F0.53"0"
198943°F38°F0"0"
198844°F30°F0"0"
198739°F32°F0"0"
198654°F41°F0"0"
198548°F34°F0"0"
198443°F37°F0.36"0"
198343°F37°F0"0"
198255°F45°F2.01"0"
198145°F42°F2.72"0"
198065°F45°F0"0"
197940°F34°F0.99"0"
197845°F34°F0"0"
197748°F43°F2.46"0"
197660°F48°F0.18"0"
197545°F35°F0.28"0"
197454°F41°F0.36"0"
197353°F44°F3.35"0"
197242°F30°F0.69"0"
197143°F37°F0.1"0"

December 15 at Nearby Parks

Holiday Weather at Olympic

Official NPS WebsiteVisit nps.gov/olym for park information, alerts, and reservations

Explore More at Olympic

See historical weather for other dates

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