Weather on May 21

Scottsdale, AZ

55 Years of Data

Avg High
95°F
Avg Low
61°F
Warmest
2005
89°F avg
Coldest
1975
62°F avg

About This Date

May 21st in Scottsdale, AZ typically brings hot spring weather, with average highs around 95°F and lows near 61°F — a 34°F daily swing. Over 55 years of records, the warmest May 21st was in 2005 (89°F average), while the coldest was 1975 (62°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 21st dates historically. The last decade has been 6.1°F cooler on this date compared to 20-30 years ago.

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

Planning for May 21st in Scottsdale, AZ? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
2025103°61°82°
202494°57°75°
2023101°64°82°
202298°56°77°
202166°
202091°54°72°
201981°48°64°
201893°61°77°
201798°57°78°
201666°
201589°60°75°
201454°
201397°59°78°
2012105°62°84°
201193°56°74°
201099°58°78°
200989°
200892°69°80°
200797°63°80°
2006106°67°86°
2005warmest105°73°89°
200493°66°80°
2003105°71°88°
200292°60°76°
2001100°70°85°
2000103°73°88°
199998°63°80°
199886°60°73°
199794°68°81°
199696°64°80°
199595°66°81°
199494°58°76°
199397°66°81°
199277°64°71°0.25"
199191°60°76°
199096°63°79°
1989103°66°84°
198898°65°81°
198788°61°74°0.1"
1986101°66°83°
198595°59°77°
1984103°62°82°
198396°52°74°
198298°58°78°
198185°42°63°
1980100°61°80°
197975°57°66°0.05"
197899°60°79°
197790°56°73°
197695°73°84°
1975coldest75°48°62°
197494°45°69°
1973100°64°82°
197281°55°68°
197195°57°76°
55 years of data from SCOTTSDALE

Browse Weather History

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