Weather on December 5 at Mount Rainier

Mount Rainier National Park

WAPacific West5,400 ft elevation
Avg High48°F
Avg Low37°F
Warmest202354°F
Coldest197229°F

Based on 55 years of data from Seattle, WA

Elevation Note: Mount Rainier sits at 5,400 ft. Expect temperatures 19°F cooler than the data shown below, which comes from Seattle, WA at a lower elevation.

Planning Your Visit

December 5th in Mount Rainier National Park (via Seattle, WA) typically brings chilly winter weather, with average highs around 48°F and lows near 37°F. Over 55 years of records, the warmest December 5th was in 2023 (54°F average), while the coldest was 1972 (29°F) — a 25°F range across recorded history. Precipitation has occurred on 53% of recorded December 5th dates, with snow falling 4% of the time (heaviest snowfall: 1.3"). 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 5th in Mount Rainier? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202557°F46°F0.05"--
202454°F30°F0"--
202359°F49°F3.12"--
202241°F34°F0"--
202143°F32°F0.08"--
202060°F30°F0"--
201951°F46°F0"--
201847°F28°F0"--
201747°F34°F0"--
201640°F32°F0.58"--
201563°F44°F2.06"--
201454°F45°F0.28"--
201335°F22°F0"--
201249°F41°F0.05"--
201142°F27°F0"--
201052°F35°F0"--
200944°F25°F0"--
200848°F34°F0"--
200748°F38°F0"--
200648°F43°F0"--
200545°F39°F0"--
200444°F37°F0.25"--
200353°F45°F1.35"--
200253°F35°F0"--
200143°F37°F0.51"--
200050°F33°F0"--
199949°F44°F0.99"--
199844°F38°F0.61"--
199754°F35°F0"0"
199645°F40°F0.38"0"
199543°F30°F0"0"
199441°F24°F0.25"1.3"
199347°F31°F0"0"
199243°F28°F0.05"0"
199151°F45°F2.34"0"
199050°F41°F0"0"
198955°F51°F0.03"0"
198853°F47°F0.2"0"
198749°F38°F2.36"0"
198643°F39°F0.3"0"
198550°F41°F0.43"0"
198448°F28°F0"0"
198341°F37°F1.17"0"
198246°F35°F0.76"0"
198153°F47°F2.41"0"
198041°F34°F0.33"1"
197950°F46°F0"0"
197844°F35°F0.23"0"
197744°F34°F0.56"0"
197645°F40°F0"0"
197545°F33°F0"0"
197452°F41°F0"0"
197346°F38°F0.86"0"
197230°F28°F0"0"
197149°F42°F0.2"0"

December 5 at Nearby Parks

Holiday Weather at Mount Rainier

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

Explore More at Mount Rainier

See historical weather for other dates

Back to Mount Rainier