June weather forecast
Yosemite National Park, CA

June marks the onset of a bright and sunny summer season in Yosemite National Park. Virtually no snowfall is observed during this month, enabling visitors to explore the park freely. While it is a warm period, the park's geography ensures pleasant weather throughout the day. With generous sunlight and a UV index of 10, sun protection becomes necessary for all. Daylight extends to a nearing peak at 14.8 hours, providing plenty of time for visitors to enjoy the park's summer allure.

Temperature

As June sets, the average high-temperature shows a slight increase, moving up from a pleasant 72.9°F (22.7°C) in May to a warm 81.3°F (27.4°C). Yosemite National Park receives a consistent average low-temperature of 47.3°F (8.5°C) in June, a substantial dip from the day's heat.

Rainfall

In Yosemite National Park, in June, it is raining for 3 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 65 rainfall days, and 36.26" (921mm) of precipitation is accumulated.

Snowfall

In Yosemite National Park, snow does not fall in June through September.

Daylight

The month with the longest days is June, with an average of 14h and 42min of daylight.
On the first day of the month, sunrise is at 5:37 am and sunset at 8:15 pm. On the last day of June, sunrise is at 5:39 am and sunset at 8:24 pm PDT.

Sunshine

In Yosemite National Park, the average sunshine in June is 11h.

UV index

In June, the average daily maximum UV index in Yosemite National Park, California, is 10. A UV Index reading of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: During June, 10 as the daily maximum UV index converts into the following advice:
Ensure safety measures are in place, as skin and eyes are vulnerable to quick damage. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. For optimal sun protection, use sunscreen of no less than 30 SPF. This not only prevents sunburn but also reduces radiation damage.