Yosemite Valley UV Index Today
- Current UV Index5.0
- Peak UV Index7.0
- Temperature22.5 ℃
- Peak UV at 1 PM
- Protection Recommended ☀️
Last updated:
The UV index in Yosemite Valley, California, United States 
will reach a high of 5 today. This means a normal level of sun exposure. See our tips below to stay safe!
Hourly Forecast Chart
Today's Safety Tips
Check the live data above for the current conditions and stay safe in the sun!
Yosemite Valley's UV Index
The UV index in Yosemite Valley can range from moderate to very high, especially in summer months. It often reaches levels around 7 to 10 during midday, indicating strong sun exposure.
Weather Seasons
Yosemite experiences warm, dry summers with temperatures often between 80-90°F (27-32°C). Winters are cold and snowy, especially at higher elevations, with valley temperatures ranging from 30-50°F (-1 to 10°C). Spring and fall see mild, pleasant weather with occasional rain.
Yosemite Valley's Climate
Compared to other parts of California, Yosemite has cooler temperatures due to its elevation. It is wetter and snowier than coastal areas like San Francisco. Nearby states like Nevada have drier, hotter conditions, while Oregon to the north is generally cooler and wetter.
Hourly UV Index Trend
See the UV index hour by hour for Yosemite Valley. When the level is high, it's smart to find some shade.
- TimeUVLevelTemp
- 12 PM5.0moderate22 ℃
Nearby Cities
Check the UV index in other cities near Yosemite Valley.