Weather on August 12

Phoenix, AZ

55 Years of Data

Avg High
105°F
Avg Low
79°F
Warmest
2012
101°F avg
Coldest
1974
83°F avg

About This Date

August 12th in Phoenix, 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 12th was in 2012 (101°F average), while the coldest was 1974 (83°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 12th dates historically, with the wettest August 12th recording 2.18" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for August 12th in Phoenix, AZ? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
1.5°F per decade on this date
YearHighLowAvgPrecipSnow
2025111°86°99°
2024105°83°94°
2023105°82°94°
2022102°83°92°
202197°79°88°
2020110°84°97°
2019109°84°97°
2018102°82°92°
2017105°78°92°0.23"
2016106°83°94°
2015108°79°93°
2014108°84°96°
2013107°77°92°
2012warmest114°88°101°
2011102°83°92°
2010107°82°95°
2009108°83°95°
2008107°82°95°
2007111°87°99°
2006100°72°86°2.18"
2005101°80°90°
2004111°84°98°
2003110°88°99°
2002108°84°96°
2001105°83°94°0.18"
2000107°84°96°
1999103°71°87°
1998107°79°93°
1997104°80°92°
1996113°84°99°
1995107°74°90°0.38"
1994110°82°96°
1993108°75°91°
1992109°79°94°0.03"
199199°78°88°
1990103°73°88°1.42"
1989103°80°91°
1988104°80°92°
198799°76°87°
1986101°79°90°0.51"
1985100°74°87°
1984100°76°88°
1983105°75°90°
198295°72°83°1.07"
1981104°74°89°
1980106°81°93°
1979100°70°85°1.91"
197899°72°85°0.41"
1977107°81°94°
1976109°77°93°
1975102°77°90°
1974coldest102°65°83°
1973109°75°92°
1972101°75°88°
197197°76°86°
55 years of data from BEARDSLEY

Browse Weather History

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

August 12th Weather in Phoenix, AZ - 55 Years of History