Yosemite National Park is open 24 hours per day, 365 days per year. However, the Hetch Hetchy Entrance Station is open only during daylight hours (approximately) and some roads are closed due to snow from around November through May or June.
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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.
Visiting Yosemite in October means you do not have to reserve an entrance slot for the park. The reservation system begins in May and ends on September 30.
One downside: The year-round waterfalls will still be flowing – waterfalls like Vernal, Nevada, and Bridalveil, but unless it's already rained before you arrive, ephemeral waterfalls like the great Yosemite Falls may be dry or barely a trickle.
Be sure to use insect repellent and wear long sleeves and pants or consider staying indoors during these hours. Ticks cling to plants, waiting for a host (you) to walk by; walk down the middle of trails and avoid areas with high grass and leaf litter. Use an effective insect repellent.
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.
Plan on spending two to four days in Yosemite if you want enough time to see all the amazing sights. This will give you plenty of time to see Half Dome, Yosemite Falls, Glacier Point, and enjoy some hiking trails.
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.
Yosemite is home to countless waterfalls. The best time to see waterfalls is during spring, when most of the snowmelt occurs. Peak runoff typically occurs in May or June, with some waterfalls (including Yosemite Falls) often only a trickle or completely dry by August.
What is the off-season for Yosemite National Park? Early spring, fall and winter months feature less visitation than the summer, making them Yosemite's off-season, and a great time of year to visit.
Stay away from river and creek banks during high water conditions and avoid rock hopping. Stream polished rocks along the water's edge may be slippery when wet or dry. If you choose to cross a stream without a bridge, avoid deep and/or swift water.
These two mighty waterfalls form a cascade in which the Merced River flows down into the valley and create what is called the “giant staircase.” Another one of our hidden gems in Yosemite, Illilouette Fall can be glimpsed from the legendary Mist Trail, but to really get a good view of it, you need to do some hiking.
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.
Yosemite is about 170 miles away from San Francisco and about a 4-hour drive. So, we recommend starting your day as early as 5 AM or 6 AM to have full experience in the park. If you prefer to sleep in while on vacation, something we're all guilty of, you can easily book a hotel.
October Weather in YosemiteThat's a perfect temperature for hiking or rock climbing. However, average nighttime temperatures drop to an average of 51°F (11°C). That can make it a little chilly for camping, but ideal for sipping a hot cup of coffee in the morning while looking out the window at the day to come.
Difficulty: Extreme. It's long, steep at the beginning and end, and more dangerous than most Yosemite hikes. It's probably the most difficult of all Yosemite day hikes.