Best Time to Hike John Muir Trail
Month-by-month temperatures and rainfall for John Muir Trail, United States, based on 2-year climate normals.
Month-by-month weather on John Muir Trail
| Month | Avg high | Avg low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | -0.6°C / 31°F | -13.2°C / 8°F | 57 mm | 9 |
| February | -0.9°C / 30°F | -12.4°C / 10°F | 218 mm | 11 |
| March | -0.9°C / 30°F | -12.5°C / 10°F | 173 mm | 11 |
| April | 3°C / 37°F | -9.2°C / 15°F | 39 mm | 7 |
| May | 7.9°C / 46°F | -4.3°C / 24°F | 24 mm | 5 |
| June | 16.8°C / 62°F | 3.7°C / 39°F | 19 mm | 7 |
| July | 19.9°C / 68°F | 7°C / 45°F | 20 mm | 5 |
| August | 19.1°C / 66°F | 6.3°C / 43°F | 19 mm | 5 |
| September | 15.4°C / 60°F | 3.5°C / 38°F | 25 mm | 8 |
| October | 10.2°C / 50°F | -1°C / 30°F | 25 mm | 3 |
| November | 3.9°C / 39°F | -6.9°C / 20°F | 117 mm | 8 |
| December | 3.3°C / 38°F | -8.6°C / 17°F | 130 mm | 7 |
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 John Muir Trail are June, July, August, September. Expect daytime highs around 18°C (64°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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