Best Time to Hike Half Dome Trail
Month-by-month temperatures and rainfall for Half Dome Trail, United States, based on 2-year climate normals.
Month-by-month weather on Half Dome Trail
| Month | Avg high | Avg low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | 3.8°C / 39°F | -11.9°C / 11°F | 85 mm | 10 |
| February | 2.7°C / 37°F | -11.4°C / 11°F | 247 mm | 12 |
| March | 2.5°C / 37°F | -10.4°C / 13°F | 226 mm | 12 |
| April | 6.6°C / 44°F | -8.8°C / 16°F | 70 mm | 7 |
| May | 13.2°C / 56°F | -3°C / 27°F | 60 mm | 10 |
| June | 20.5°C / 69°F | 4.1°C / 39°F | 22 mm | 5 |
| July | 23.3°C / 74°F | 6.7°C / 44°F | 15 mm | 5 |
| August | 22.2°C / 72°F | 6.4°C / 44°F | 19 mm | 4 |
| September | 18.8°C / 66°F | 3.6°C / 38°F | 39 mm | 6 |
| October | 13.8°C / 57°F | -1.1°C / 30°F | 42 mm | 4 |
| November | 7.6°C / 46°F | -6.1°C / 21°F | 106 mm | 9 |
| December | 7.3°C / 45°F | -7.1°C / 19°F | 153 mm | 9 |
Highlighted rows are the recommended hiking window. Climate normals via Open-Meteo (2-year average). Mountain weather varies — always check a live forecast before you set off.
The best months to hike Half Dome Trail are June, July, August, September. Expect daytime highs around 21°C (70°F) and nights near 5°C (41°F).
Pack flexible layers and a reliable rain shell — conditions can shift quickly in the mountains.
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