December in Yosemite National Park is a shoulder month: highs around 48°F, lows around 28°F. Crowds: quiet — #8 busiest of the park's 12 months. Quiet, festive valley; chains required after storms. The editorial best window here is May–June.
| Verdict | Shoulder Quiet and rewarding if you accept reduced services or weather. |
|---|---|
| Temps °F | 48° high / 28° low |
| Crowds | quiet · #8 busiest of the park's 12 months |
| What December is like | Quiet, festive valley; chains required after storms |
| 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 January — Shoulder, highs around 48°F, crowds: quiet (valley open and quiet; tire chains often required).
Our verdict for December is "Shoulder". Quiet and rewarding if you accept reduced services or weather. Expect highs around 48°F and lows around 28°F, with crowds at the "quiet" 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. December itself we rate "Shoulder".
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