Weather on May 9

Surprise, AZ

55 Years of Data

Avg High
92°F
Avg Low
62°F
Warmest
1989
91°F avg
Coldest
1979
60°F avg

About This Date

May 9th in Surprise, AZ typically brings hot spring weather, with average highs around 92°F and lows near 62°F — a 30°F daily swing. Over 55 years of records, the warmest May 9th was in 1989 (91°F average), while the coldest was 1979 (60°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 9th dates historically. The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.

The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.

Planning for May 9th in Surprise, AZ? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
2025100°73°87°
202491°55°73°
202392°58°75°
202288°62°75°
202195°64°80°
2020101°73°87°
201986°58°72°
2018103°68°85°
201774°57°65°0.46"
201685°58°71°
201577°
201488°60°74°
201387°60°74°
201296°68°82°
201189°61°75°
201095°68°82°
2009103°71°87°
200892°62°77°
200793°67°80°
200694°61°77°
200589°60°75°
2004100°70°85°
200378°53°66°
200294°63°78°
2001106°68°87°
200098°66°82°
199998°62°80°
199887°59°73°
1997101°66°83°
199697°69°83°
199587°52°69°
199482°62°72°
199392°66°79°
199292°65°78°
199197°67°82°
199094°63°78°
1989warmest104°78°91°
198889°54°71°
198798°69°84°
198686°53°70°
198596°67°81°
1984101°63°82°
198393°60°77°
198290°61°75°
198192°67°79°
198085°59°72°
1979coldest75°44°60°
197895°53°74°
197785°53°69°
197689°56°72°
197592°50°71°
197493°62°78°
197399°58°78°
197293°54°73°
197186°48°67°
55 years of data from YOUNGTOWN

Browse Weather History

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