Weather on June 21

Tempe, AZ

55 Years of Data

Avg High
106°F
Avg Low
71°F
Warmest
2024
104°F avg
Coldest
1975
73°F avg

About This Date

June 21st in Tempe, AZ typically brings hot summer weather, with average highs around 106°F and lows near 71°F — a 35°F daily swing. Over 55 years of records, the warmest June 21st was in 2024 (104°F average), while the coldest was 1975 (73°F) — a 31°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.

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

Warming Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
2025109°
2024warmest117°92°104°
202362°
2022107°
202178°
2020105°69°87°
2019103°77°90°
2018106°66°86°
201775°
2016113°79°96°
201575°
201468°
2013103°63°83°
2012106°63°84°
2011106°63°84°
2010103°63°83°
200999°67°83°
2008113°68°91°
2007109°71°90°
2006110°72°91°
2005114°83°98°
2004103°71°87°
200398°65°81°
2002108°74°91°
2001104°79°91°
2000101°73°87°
1999108°77°92°
1998102°73°88°
1997103°73°88°
1996105°80°93°
199599°65°82°
199494°79°86°
1993104°70°87°
1992104°69°87°
199198°69°84°
1990110°71°90°
1989107°79°93°
1988109°79°94°
1987104°68°86°
1986107°70°88°
1985105°74°89°
1984103°66°84°
1983104°69°87°
1982100°71°86°
1981112°80°96°
1980111°62°87°
1979104°58°81°
1978112°66°89°
197796°60°78°
1976113°73°93°
1975coldest93°54°73°
1974110°71°90°
1973109°67°88°
1972110°72°91°
1971112°59°85°
55 years of data from TEMPE ASU

Browse Weather History

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

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