Weather on May 20

Spokane, WA

55 Years of Data

Avg High
66°F
Avg Low
44°F
Warmest
2023
76°F avg
Coldest
1971
42°F avg

About This Date

May 20th in Spokane, WA typically brings mild spring weather, with average highs around 66°F and lows near 44°F. Over 55 years of records, the warmest May 20th was in 2023 (76°F average), while the coldest was 1971 (42°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 20th dates historically, with the wettest May 20th recording 3.56" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

Planning for May 20th in Spokane, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

YearHighLowAvgPrecipSnow
202559°42°51°
202469°37°53°
2023warmest90°62°76°
202257°36°46°0.3"
202153°43°48°0.25"
202057°49°53°3.56"
201964°45°54°
201875°51°63°
201765°51°58°0.76"
201668°38°53°0.03"
201577°52°64°
201474°46°60°
201372°45°58°
201269°49°59°
201174°49°61°
201056°37°46°0.03"
200960°37°49°
200865°43°54°1.24"
200750°43°46°0.03"
200666°53°60°0.81"
200554°46°50°1.55"
200468°47°57°1.04"
200363°38°50°
200260°48°54°0.03"
200163°34°48°
200071°46°59°
199964°40°52°
199876°46°61°0.25"
199765°39°52°
199659°37°48°
199573°42°58°
199455°46°51°1.3"
199372°53°62°0.05"
199265°42°53°
199171°37°54°
199059°46°53°0.41"
198965°34°49°
198873°39°56°
198759°32°46°
198662°48°55°0.25"
198573°48°61°
198458°40°49°
198372°44°58°
198272°45°58°
198165°50°57°0.94"
198077°57°67°
197976°45°60°
197881°55°68°
197767°47°57°
197674°37°55°0.56"
197560°34°47°
197463°38°50°
197355°37°46°
197272°54°63°
1971coldest49°36°42°0.1"
55 years of data from SPOKANE

Browse Weather History

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