Weather on June 21

Phoenix, AZ

55 Years of Data

Avg High
106°F
Avg Low
74°F
Warmest
2016
101°F avg
Coldest
1975
75°F avg

About This Date

June 21st in Phoenix, AZ typically brings hot summer weather, with average highs around 106°F and lows near 74°F — a 32°F daily swing. Over 55 years of records, the warmest June 21st was in 2016 (101°F average), while the coldest was 1975 (75°F) — a 26°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.

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

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

Warming Trend
1.0°F per decade on this date
YearHighLowAvgPrecipSnow
2025107°80°94°
2024112°74°93°
2023101°72°86°
2022108°73°90°
2021108°83°95°
2020108°73°90°
2019102°76°89°
2018108°78°93°
2017119°83°101°
2016warmest115°87°101°
2015111°83°97°
2014108°79°93°
2013105°74°89°
2012108°75°91°
2011107°73°90°
2010102°72°87°
2009100°70°85°
2008114°77°96°
2007109°78°94°
2006107°80°94°
2005113°86°100°
2004104°72°88°
200397°66°81°
2002109°75°92°
2001105°79°92°
2000103°73°88°
1999111°80°96°
1998104°75°90°
1997105°73°89°
1996106°83°94°
1995101°67°84°
199497°78°87°
1993108°76°92°
1992108°69°88°
1991101°65°83°
1990113°71°92°
1989108°79°93°
1988108°80°94°
1987102°66°84°
1986104°71°88°
1985104°72°88°
1984102°66°84°
1983104°70°87°
1982103°69°86°
1981111°79°95°
1980105°73°89°
1979103°65°84°
1978110°72°91°
197798°67°82°
1976110°80°95°
1975coldest93°58°75°
1974109°73°91°
1973111°76°93°
1972107°83°95°
1971112°69°90°
55 years of data from YOUNGTOWN

Browse Weather History

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

June 21st Weather in Phoenix, AZ - 55 Years of History