Weather on August 11

Surprise, AZ

55 Years of Data

Avg High
105°F
Avg Low
79°F
Warmest
2003
102°F avg
Coldest
1971
83°F avg

About This Date

August 11th in Surprise, AZ typically brings hot summer weather, with average highs around 105°F and lows near 79°F — a 26°F daily swing. Over 55 years of records, the warmest August 11th was in 2003 (102°F average), while the coldest was 1971 (83°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 16% of August 11th dates historically, with the wettest August 11th recording 2.03" of rain. The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.

The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.

Planning for August 11th in Surprise, AZ? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
2025106°88°97°
2024108°84°96°
2023105°82°94°
2022104°82°93°
202196°78°87°
2020110°83°96°
2019101°85°93°
2018100°70°85°
2017105°76°90°2.03"
2016101°75°88°0.48"
2015103°79°91°
2014108°81°94°
2013105°73°89°
2012112°87°99°
2011104°82°93°
2010107°84°96°
2009104°82°93°
2008108°83°95°
2007106°83°94°
2006101°78°89°
200599°78°88°
2004111°85°98°
2003warmest115°89°102°
2002112°81°96°
2001106°77°91°0.43"
2000107°90°98°
1999101°73°87°
1998107°84°96°
1997104°81°92°
1996111°84°98°
1995109°83°96°
1994112°83°97°
1993109°78°94°
1992111°83°97°
199196°72°84°0.66"
1990109°83°96°
1989101°76°88°
1988105°78°92°
1987104°72°88°1.07"
1986104°83°93°
1985102°78°90°
198495°79°87°0.03"
1983100°79°89°
1982107°76°91°0.46"
1981100°68°84°0.15"
1980104°79°91°
1979104°76°90°
1978102°77°90°
1977107°77°92°
1976105°74°89°
1975104°77°91°
1974103°69°86°
1973104°78°91°
1972101°78°89°
1971coldest99°68°83°1.35"
55 years of data from YOUNGTOWN

Browse Weather History

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