Weather on December 20

Salem, OR

55 Years of Data

Avg High
47°F
Avg Low
35°F
Warmest
1972
55°F avg
Coldest
1990
13°F avg

About This Date

December 20th in Salem, OR typically brings chilly winter weather, with average highs around 47°F and lows near 35°F. Over 55 years of records, the warmest December 20th was in 1972 (55°F average), while the coldest was 1990 (13°F) — a 42°F range across recorded history. Precipitation has occurred on 75% of recorded December 20th dates, with snow falling 5% of the time (heaviest snowfall: 2"). The last decade has been 6.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 6.1°F warmer on this date compared to 20-30 years ago.

Planning for December 20th in Salem, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Warming Trend
1.1°F per decade on this date
YearHighLowAvgPrecipSnow
202549°40°44°
202453°42°48°
202351°35°43°
202248°40°44°0.28"
202146°42°44°3.58"
202054°46°50°4.88"
201959°49°54°0.2"
201857°38°47°0.13"
201748°27°38°0.2"
201652°32°42°1.09"
201548°43°45°0.76"
201459°48°54°4.14"
201347°32°39°0.2"
201249°31°40°2.77"
201145°30°37°
201047°37°42°1.04"
200959°48°54°1.24"
200837°26°32°2.24"
200745°35°40°0.56"
200647°28°37°0.71"
200543°36°39°1.98"
200448°29°38°
200353°41°47°0.15"
200247°33°40°2.69"
200146°41°44°0.76"
200045°40°42°0.51"
199948°34°41°
199825°14°19°
199747°32°39°0.84"
199650°38°44°0.69"
199547°40°43°0.05"
199463°47°55°1.65"
199344°22°33°
199247°39°43°0.48"
199136°31°33°0.05"
1990coldest18°13°
198940°31°35°
198844°39°42°0.61"
198744°33°39°0.18"
198642°26°34°0.03"
198539°17°28°
198439°13°26°0.41"0.2"
198334°22°28°0.05"1.9"
198249°41°45°1.6"
198150°40°45°0.58"
198049°40°44°0.51"
197954°46°50°1.32"
197841°29°35°1.5"2"
197748°24°36°
197637°33°35°
197541°21°31°
197456°52°54°0.94"
197354°45°49°3.18"
1972warmest57°53°55°3.15"
197145°39°42°0.97"
55 years of data from SALEM AP (MCNARY FIELD)

Browse Weather History

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