Weather on June 21

Tucson, AZ

55 Years of Data

Avg High
103°F
Avg Low
74°F
Warmest
2017
98°F avg
Coldest
1975
79°F avg

About This Date

June 21st in Tucson, AZ typically brings hot summer weather, with average highs around 103°F and lows near 74°F — a 29°F daily swing. Over 55 years of records, the warmest June 21st was in 2017 (98°F average), while the coldest was 1975 (79°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 7% of June 21st dates historically, with the wettest June 21st recording 1.07" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.

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

Warming Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
2025100°80°90°
2024108°79°93°0.89"
2023103°70°86°
2022101°75°88°
2021105°83°94°
2020104°71°88°
201999°71°85°
2018106°69°87°
2017warmest115°82°98°
2016107°82°95°
2015105°83°94°
2014103°75°89°
2013105°71°88°
2012108°67°87°
2011105°63°84°
2010103°65°84°
2009100°68°84°
2008112°69°90°
2007106°76°91°
2006103°81°92°
2005109°82°96°
200498°72°85°
200397°67°82°
2002105°75°90°
2001100°72°86°0.05"
200097°71°84°
1999103°79°91°
1998100°73°87°
1997106°72°89°
1996103°84°93°
199599°69°84°
199498°80°89°
1993106°76°91°
1992103°82°92°
199198°67°82°
1990111°75°93°
1989108°78°93°
1988109°74°91°
1987100°69°85°
1986103°70°86°
1985101°76°88°
1984101°71°86°
1983101°70°85°
1982100°72°86°
1981104°75°90°
1980104°76°90°0.05"
1979102°71°87°
1978106°72°89°
197796°71°84°
1976107°80°94°
1975coldest93°64°79°
1974106°74°90°
1973102°82°92°
1972103°71°87°1.07"
1971107°71°89°
55 years of data from TUCSON WFO

Browse Weather History

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