The National Park Service says all areas that had previously been closed, including the Tuolumne Grove of Giant Sequoias, and hiking trails around the Hetch Hetchy reservoir, are again open to the public.
The reopening comes with cautions. Visitors are urged to be aware of risks, which include hazardous trees and potential rock falls.
Fire restrictions that had been imposed last summer and fall have been lifted. But the continuing drought could cause those restrictions to be restored later in the year.
The Rim Fire started in mid-August. It burned about 77,000 acres within Yosemite, and total of 255,000 acres.
A program will begin soon in the Eldorado National Forest to remove live or dead vegetation to prevent the spread of wildfires.
The Sacramento Suburban Water District is asking customers to voluntarily cut outdoor watering to one day a week this fall as other water providers move to mandatory restrictions.
The increase in the number of wildfires in California and the western U.S. may partly be caused by climate change.
The San Joaquin Valley enjoyed three weeks of healthy air in July for the first time in 20 years.
The California Fish and Game Commission voted Wednesday to ban bobcat trapping in the state.