Weather forecast builder for the John Muir Trail

Plan your walk with weather from 16 years of history—choose towns and dates below.

About weather on the John Muir Trail

Embarking on the John Muir Trail presents hikers with a diverse range of weather conditions due to its varied landscapes and elevations. While June through early September offers favorable conditions for many, travelers may also appreciate the experiences in months like July and August. This time frame provides a mix of warm days and cooler nights, ensuring a pleasant journey without the extremes of winter or unforeseen challenges of late autumn.

• Spring (Mar–May): Weather exhibits frequent temperature fluctuations, ranging from mild rain in valleys to snow at higher elevations.
• Summer (Jun–Aug): Predominantly sunny days with occasional showers, warm temperatures, and some notable variability at higher elevations.
• Autumn (Sep–Nov): Experience clear skies with possible significant rain and snow, particularly notable as winter approaches.
• Winter (Dec–Feb): Cold temperatures dominate, numerous snowfall events, and variable conditions including both sunny and overcast days.

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