Weather on July 18 at Grand Canyon
Grand Canyon National Park
Based on 56 years of data from Flagstaff, AZ
Elevation Note: Grand Canyon sits at 7,000 ft. Expect temperatures 25°F cooler than the data shown below, which comes from Flagstaff, AZ at a lower elevation.
Planning Your Visit
July 18th in Grand Canyon National Park (via Flagstaff, AZ) typically brings warm summer weather, with average highs around 82°F and lows near 52°F — a 30°F daily swing. Over 56 years of records, the warmest July 18th was in 1989 (75°F average), while the coldest was 1987 (59°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 38% of July 18th dates historically, with the wettest July 18th recording 1.27" 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 Grand Canyon? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 70°F | 57°F | 0.62" | 0" |
| 2025 | 81°F | 50°F | 0" | 0" |
| 2024 | 88°F | 53°F | 0.04" | 0" |
| 2023 | 92°F | 57°F | 0" | 0" |
| 2022 | 85°F | 57°F | 0.05" | 0" |
| 2021 | 79°F | 53°F | 0.12" | 0" |
| 2020 | 83°F | 51°F | 0.01" | 0" |
| 2019 | 86°F | 53°F | 0" | 0" |
| 2018 | 81°F | 59°F | 0.23" | 0" |
| 2017 | 84°F | 55°F | 0.56" | 0" |
| 2016 | 78°F | 57°F | 0" | 0" |
| 2015 | 76°F | 50°F | 0.79" | 0" |
| 2014 | 85°F | 55°F | 0" | 0" |
| 2013 | 80°F | 52°F | 0" | 0" |
| 2012 | 81°F | 48°F | 0" | 0" |
| 2011 | 80°F | 56°F | 0.3" | 0" |
| 2010 | 88°F | 59°F | 1.27" | 0" |
| 2009 | 88°F | 55°F | 0" | 0" |
| 2008 | 84°F | 54°F | 0" | 0" |
| 2007 | 85°F | 51°F | 0" | 0" |
| 2006 | 83°F | 56°F | 0" | 0" |
| 2005 | 93°F | 54°F | 0" | 0" |
| 2004 | 82°F | 57°F | 0" | 0" |
| 2003 | 82°F | 54°F | 0" | -- |
| 2002 | 78°F | 55°F | 0.02" | -- |
| 2001 | 80°F | 49°F | 0" | -- |
| 2000 | 90°F | 50°F | 0" | -- |
| 1999 | 72°F | 52°F | 0.46" | -- |
| 1998 | 89°F | 53°F | 0" | -- |
| 1997 | 84°F | 54°F | 0" | -- |
| 1996 | 81°F | 51°F | 0" | -- |
| 1995 | 69°F | 49°F | 0.15" | 0" |
| 1994 | 76°F | 49°F | 0" | 0" |
| 1993 | 79°F | 45°F | 0" | 0" |
| 1992 | 88°F | 49°F | 0" | 0" |
| 1991 | 87°F | 55°F | 0" | 0" |
| 1990 | 84°F | 49°F | 0" | 0" |
| 1989 | 93°F | 58°F | 0" | 0" |
| 1988 | 84°F | 55°F | 0.01" | 0" |
| 1987 | 72°F | 46°F | 0" | 0" |
| 1986 | 74°F | 51°F | 0.19" | 0" |
| 1985 | 76°F | 50°F | 0" | 0" |
| 1984 | 81°F | 49°F | 0" | 0" |
| 1983 | 86°F | 48°F | 0" | 0" |
| 1982 | 77°F | 51°F | 0" | 0" |
| 1981 | 83°F | 53°F | 0" | 0" |
| 1980 | 89°F | 53°F | 0" | 0" |
| 1979 | 82°F | 50°F | 0.06" | 0" |
| 1978 | 83°F | 49°F | 0" | 0" |
| 1977 | 80°F | 54°F | 0.14" | 0" |
| 1976 | 72°F | 50°F | 0.1" | 0" |
| 1975 | 80°F | 49°F | 0" | 0" |
| 1974 | 80°F | 55°F | 0.02" | 0" |
| 1973 | 77°F | 48°F | 0.02" | 0" |
| 1972 | 78°F | 49°F | 0.47" | 0" |
| 1971 | 88°F | 52°F | 0" | 0" |