Chains are often required on roads both inside and outside of Yosemite from November through March, less often in October and April, and rarely in September or May.
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Yosemite Valley and Wawona remain accessible by car all year, however tire chains may be required, depending on conditions.
October in Yosemite is one of the best times of year to be in the park. The number of visitors has severely decreased, making crowds much more manageable. The roads will be clear of traffic and the parking lots more accessible.
Yosemite receives 95% of its precipitation between October and May (and over 75% between November and March). Most of Yosemite is blanketed in snow from about November through May.
All vehicles entering Yosemite National Park during winter conditions must carry snow chains. Call (209) 372-0200, 1, 1, for the most up-to-date road info. See Tire Chains below for more information.
Yosemite enthusiasts usually visit the Park during off season months. Fall which starts towards the end of September is one of the best months for hiking and a great time to visit when summer crowds decline dramatically after the Labor Day holiday when children start heading back to school.
May through September is the most popular time in YosemiteThese months correspond with the best weather and are also when all the roads, trails, lodging, shuttles and attractions in the park are open. That includes its most famous drive, Tioga Rd, a 64-mile-long scenic byway that closes when the snow begins to fall.
Tioga Road (Highway 120 through the park, from Crane Flat to Tioga Pass) is usually closed from November through late May or early June. (View a list of opening and closing dates.) When Tioga Road is closed, alternate routes are available to get to various destinations.
The cool season lasts for 3.1 months, from November 21 to February 25, with an average daily high temperature below 61°F. The coldest month of the year in Yosemite Lakes is December, with an average low of 38°F and high of 54°F.
Fall ColorDaytime temperatures are mild and perfect for hiking. Less visitors in the park compared to the summer months provide a feeling of solitude. Fall color typically starts late September into early October in Yosemite Valley.
The average trip duration for Yosemite touristsMost Yosemite visitors stay between three to four days. After all, there is so much to do and see! Even if you're coming to Yosemite for a specific purpose like a wedding, it's more than worth it to extend your trip.