Weather on June 21

Glendale, AZ

55 Years of Data

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

About This Date

June 21st in Glendale, AZ typically brings hot summer weather, with average highs around 106°F and lows near 75°F — a 31°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 2.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.

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

Warming Trend
1.2°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°
1998100°74°87°
1997104°79°91°
1996105°78°92°
1995100°73°87°
199495°82°89°
1993107°81°94°
1992107°78°93°
1991100°73°87°
1990112°80°96°
1989107°84°96°
1988110°84°97°
1987103°75°89°
1986106°76°91°
1985103°77°90°
1984104°68°86°
1983102°67°84°
1982101°68°84°
1981110°77°93°
1980106°70°88°
1979102°59°81°
1978109°66°88°
197797°71°84°
1976109°75°92°
1975coldest93°57°75°
1974111°68°90°
1973105°72°88°
1972106°75°90°
1971109°66°88°
55 years of data from ALHAMBRA

Browse Weather History

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