Weather on May 20

Salem, OR

55 Years of Data

Avg High
68°F
Avg Low
45°F
Warmest
2023
69°F avg
Coldest
1971
45°F avg

About This Date

May 20th in Salem, OR typically brings mild spring weather, with average highs around 68°F and lows near 45°F. Over 55 years of records, the warmest May 20th was in 2023 (69°F average), while the coldest was 1971 (45°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 29% of May 20th dates historically, with the wettest May 20th recording 1.57" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.

Planning for May 20th in Salem, OR? Great weather for outdoor activities.

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
202563°47°55°0.05"
202468°40°54°
2023warmest82°55°69°
202262°40°51°
202161°44°52°0.36"
202059°50°55°
201966°49°57°0.1"
201871°47°59°
201771°49°60°
201664°46°55°
201569°56°62°
201475°46°61°
201373°42°58°
201266°56°61°0.18"
201174°42°58°
201058°43°50°0.94"
200964°37°51°
200861°49°55°0.51"
200758°47°52°0.38"
200675°52°63°0.03"
200562°44°53°0.94"
200470°44°57°
200368°45°56°
200263°44°53°0.81"
200171°43°57°
200077°48°63°
199961°43°52°
199855°48°52°1.57"
199768°41°55°
199664°40°52°
199583°42°62°
199463°53°58°
199375°51°63°0.05"
199265°39°52°
199165°50°57°
199061°49°55°0.41"
198971°34°52°
198875°39°57°
198770°34°52°
198658°38°48°0.08"
198570°49°59°
198461°40°50°
198380°43°61°
198274°42°58°
198161°50°55°
198073°43°58°
197980°44°62°
197885°49°67°
197768°45°56°
197666°35°51°
197565°33°49°
197465°39°52°
197361°44°52°
197267°52°59°0.3"
1971coldest55°35°45°0.28"
55 years of data from SALEM AP (MCNARY FIELD)

Browse Weather History

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

May 20th Weather in Salem, OR - 55 Years of History