Weather on August 20

Tucson, AZ

55 Years of Data

Avg High
99°F
Avg Low
75°F
Warmest
1997
94°F avg
Coldest
1971
78°F avg

About This Date

August 20th in Tucson, AZ typically brings hot summer weather, with average highs around 99°F and lows near 75°F. Over 55 years of records, the warmest August 20th was in 1997 (94°F average), while the coldest was 1971 (78°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 29% of August 20th dates historically, with the wettest August 20th recording 1.98" 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 20th in Tucson, AZ? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.3°F per decade on this date
YearHighLowAvgPrecipSnow
2025105°83°94°
2024105°77°91°
202395°75°85°0.03"
202282°74°78°0.18"
202193°71°82°
2020107°73°90°1.98"
2019109°74°91°
2018102°76°89°0.18"
201797°77°87°
201697°71°84°
2015102°80°91°
201492°71°81°
2013103°77°90°0.05"
2012100°72°86°0.76"
201199°75°87°
2010104°78°91°
2009103°75°89°
2008102°73°88°
200797°79°88°
200698°79°88°
2005100°75°88°
200496°73°85°
200396°74°85°
200296°77°87°
200198°75°87°
2000100°74°87°
1999100°75°88°0.76"
199899°77°88°0.1"
1997warmest107°80°94°0.15"
1996101°75°88°
199598°71°85°0.79"
199499°77°88°
1993100°82°91°
1992104°81°92°0.08"
199197°81°89°
199094°73°83°
198997°79°88°
198891°71°81°1.42"
1987101°79°90°
1986103°78°90°
198591°77°84°0.13"
198492°71°81°
198395°70°82°
1982104°76°90°
1981100°80°90°
198096°74°85°
197996°68°82°
1978101°74°87°
1977107°77°92°
1976102°81°91°
197594°73°83°0.1"
1974100°77°89°
1973100°71°86°0.03"
197298°72°85°
1971coldest88°68°78°0.91"
55 years of data from TUCSON WFO

Browse Weather History

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