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 55 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 55 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 35% of July 18th dates historically, with the wettest July 18th recording 1.45" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.

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
2025101°F76°F0"--
2024107°F78°F1.45"0"
2023112°F80°F0"0"
2022105°F80°F0"0"
202193°F74°F0.18"0"
2020101°F82°F0"0"
2019103°F80°F0"0"
201895°F77°F0"0"
201795°F75°F0.03"0"
201698°F76°F0"0"
201593°F76°F0"0"
201498°F76°F0"0"
201398°F80°F0"0"
2012100°F73°F0"0"
2011104°F77°F0.08"0"
2010105°F77°F0.03"0"
2009106°F77°F0"0"
2008105°F77°F0"0"
2007107°F80°F0.1"0"
2006104°F80°F0.1"0"
2005107°F75°F1.27"0"
2004103°F78°F0"0"
200394°F71°F0.25"0"
200295°F76°F0"0"
200197°F76°F0.13"0"
2000106°F78°F0"0"
199988°F70°F0.1"0"
1998100°F81°F0.03"0"
1997107°F86°F0"0"
1996104°F78°F0"0"
199596°F75°F0.08"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°F0.1"0"
198797°F80°F0"0"
198692°F74°F0"0"
198588°F73°F0.1"0"
198495°F71°F1.3"0"
1983106°F78°F0"0"
198296°F76°F0"0"
198199°F76°F0"0"
1980104°F83°F0"0"
197996°F76°F0.84"0"
1978105°F81°F0"0"
197799°F74°F0"0"
197693°F75°F0.1"0"
197596°F74°F0"0"
197496°F72°F0.66"0"
197399°F72°F0"0"
197295°F77°F0"0"
1971101°F76°F0"0"

July 18 at Nearby Parks

Holiday Weather at Saguaro

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