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Weather on July 18 at Saguaro

Saguaro National Park

AZSouthwest2,700 ft elevation
Avg High100°F
Avg Low77°F
Warmest199797°F
Coldest199979°F

Based on 56 years of data from Tucson, AZ

Elevation Note: Saguaro sits at 2,700 ft. Expect temperatures 9°F cooler than the data shown below, which comes from Tucson, AZ at a lower elevation.

Planning Your Visit

July 18th in Saguaro National Park (via Tucson, AZ) typically brings hot summer weather, with average highs around 100°F and lows near 77°F. Over 56 years of records, the warmest July 18th was in 1997 (97°F average), while the coldest was 1999 (79°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 36% of July 18th dates historically, with the wettest July 18th recording 0.57" 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 July 18th in Saguaro? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202692°F74°F0.06"--
2025101°F76°F0"--
2024107°F78°F0.57"0"
2023112°F80°F0"0"
2022105°F80°F0"0"
202193°F74°F0.07"0"
2020101°F82°F0"0"
2019103°F80°F0"0"
201895°F77°F0"0"
201795°F75°F0.01"0"
201698°F76°F0"0"
201593°F76°F0"0"
201498°F76°F0"0"
201398°F80°F0"0"
2012100°F73°F0"0"
2011104°F77°F0.03"0"
2010105°F77°F0.01"0"
2009106°F77°F0"0"
2008105°F77°F0"0"
2007107°F80°F0.04"0"
2006104°F80°F0.04"0"
2005107°F75°F0.5"0"
2004103°F78°F0"0"
200394°F71°F0.1"0"
200295°F76°F0"0"
200197°F76°F0.05"0"
2000106°F78°F0"0"
199988°F70°F0.04"0"
1998100°F81°F0.01"0"
1997107°F86°F0"0"
1996104°F78°F0"0"
199596°F75°F0.03"0"
199493°F77°F0"0"
1993101°F78°F0"0"
1992110°F81°F0"0"
1991102°F80°F0"0"
1990103°F77°F0"0"
1989108°F80°F0"0"
198898°F71°F0.04"0"
198797°F80°F0"0"
198692°F74°F0"0"
198588°F73°F0.04"0"
198495°F71°F0.51"0"
1983106°F78°F0"0"
198296°F76°F0"0"
198199°F76°F0"0"
1980104°F83°F0"0"
197996°F76°F0.33"0"
1978105°F81°F0"0"
197799°F74°F0"0"
197693°F75°F0.04"0"
197596°F74°F0"0"
197496°F72°F0.26"0"
197399°F72°F0"0"
197295°F77°F0"0"
1971101°F76°F0"0"

July 18 at Nearby Parks

Holiday Weather at Saguaro

Official NPS WebsiteVisit nps.gov/sagu for park information, alerts, and reservations

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