July in Yosemite National Park is a good month: highs around 90°F, lows around 57°F. Crowds: peak crowds — #1 busiest of the park's 12 months. Hot valley afternoons; peak-hours entry reservation in effect. The editorial best window here is May–June.
| Verdict | Good A solid visit with a caveat — usually crowds or heat. |
|---|---|
| Temps °F | 90° high / 57° low |
| Crowds | peak crowds · #1 busiest of the park's 12 months |
| What July is like | Hot valley afternoons; peak-hours entry reservation in effect |
| Best window (whole year) | May–June |
| Peak crowds (whole year) | Jun–Aug |
CROWDS: RELATIVE SEASONALITY FROM NPS VISITATION STATISTICS · TEMPS: APPROXIMATE NOAA NORMALS AT MAIN VISITOR ELEVATION — HIGH COUNTRY RUNS 10–20°F COLDER
Yosemite National Park in August — Good, highs around 90°F, crowds: peak crowds (falls fade to a trickle; wildfire smoke possible).
Our verdict for July is "Good". A solid visit with a caveat — usually crowds or heat. Expect highs around 90°F and lows around 57°F, with crowds at the "peak crowds" level. Temperatures are approximate NOAA normals at the main visitor elevation; crowd levels follow published NPS visitation statistics.
Across the full 12-month review, the best window is May–June, and the peak-crowd months are Jun–Aug. July itself we rate "Good".
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