Weather on July 21 at Yosemite
Yosemite National Park
Based on 42 years of data from Mariposa, CA
Elevation Note: Yosemite sits at 4,000 ft. Expect temperatures 14°F cooler than the data shown below, which comes from Mariposa, CA at a lower elevation.
Planning Your Visit
July 21st in Yosemite National Park (via Mariposa, CA) typically brings hot summer weather, with average highs around 93°F and lows near 63°F — a 30°F daily swing. Over 42 years of records, the warmest July 21st was in 2006 (88°F average), while the coldest was 1973 (65°F) — a 23°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 21st in Yosemite? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 87°F | 58°F | -- | -- |
| 2024 | 99°F | 72°F | -- | -- |
| 2023 | 101°F | 67°F | -- | -- |
| 2022 | 98°F | 67°F | -- | -- |
| 2021 | 95°F | 65°F | -- | -- |
| 2020 | 92°F | 65°F | -- | -- |
| 2019 | 93°F | 62°F | -- | -- |
| 2018 | 92°F | 69°F | -- | -- |
| 2017 | 90°F | 58°F | -- | -- |
| 2016 | 94°F | 60°F | -- | -- |
| 2015 | 92°F | 67°F | -- | -- |
| 2014 | 87°F | 62°F | -- | -- |
| 2013 | 99°F | 70°F | -- | -- |
| 2012 | 98°F | 64°F | -- | -- |
| 2011 | 91°F | 59°F | -- | -- |
| 2010 | 93°F | 61°F | -- | -- |
| 2009 | 97°F | 67°F | -- | -- |
| 2008 | 89°F | 62°F | -- | -- |
| 2007 | 90°F | 58°F | -- | -- |
| 2006 | 103°F | 73°F | -- | -- |
| 2005 | 102°F | 72°F | -- | -- |
| 2004 | 97°F | 64°F | -- | -- |
| 2003 | 102°F | 71°F | -- | -- |
| 2002 | 97°F | 62°F | -- | -- |
| 2001 | 86°F | 54°F | -- | -- |
| 2000 | 94°F | 61°F | -- | -- |
| 1999 | 82°F | 52°F | -- | -- |
| 1998 | 94°F | 65°F | -- | -- |
| 1997 | 95°F | 65°F | -- | -- |
| 1996 | 100°F | 64°F | -- | -- |
| 1995 | 87°F | 58°F | -- | -- |
| 1994 | 85°F | 69°F | -- | -- |
| 1993 | 82°F | 56°F | -- | -- |
| 1992 | 85°F | 55°F | -- | -- |
| 1991 | 89°F | 59°F | -- | -- |
| 1990 | 91°F | 75°F | -- | -- |
| 1976 | 92°F | 57°F | 0" | 0" |
| 1975 | 91°F | 60°F | 0" | 0" |
| 1974 | 99°F | 65°F | 0" | 0" |
| 1973 | 80°F | 50°F | 0" | 0" |
| 1972 | 80°F | 52°F | 0" | 0" |
| 1971 | 102°F | 67°F | 0" | 0" |