June weather forecast
Grand Canyon National Park, AZ

Experiencing the peak of summer, June temperatures reach a scorching 101°F (38.3°C) in Grand Canyon National Park. As the driest month, rainfall is minimal at 0.2" (5mm). A distinct feature of June's weather is the considerable sunshine, benefiting from more than fourteen daily hours of sunlight. The high UV index calls for sun protection essential when venturing out. Despite the heat, the park continues to lure explorers with its awe-inspiring landscapes.

Temperature

With the transition into June, Grand Canyon National Park experiences an increase in average high-temperatures, moving up from a tropical 90°F (32.2°C) in May to a very hot 100.9°F (38.3°C). Grand Canyon National Park experiences a substantial divergence from daytime highs in June, with average lows hovering around an agreeable 70°F (21.1°C).

Rainfall

The month with the least rainfall in Grand Canyon National Park, Arizona, is June, when the rain falls for 1 days and typically collects 0.24" (6mm) of precipitation.

Snowfall

In Grand Canyon National Park, snow does not fall in February through November.

Daylight

The month with the longest days in Grand Canyon National Park is June, with an average of 14h and 36min of daylight.
On the first day of June in Grand Canyon National Park, sunrise is at 5:12 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 7:49 pm MST.

Sunshine

With an average of 13h of sunshine, June has the most sunshine of the year in Grand Canyon National Park.

UV index

June and July, with an average maximum UV index of 11, are months with the highest UV index. A UV Index reading of 11, and higher, represents an excessive health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 11 in June translates into the following recommendations:
Employ every crucial safety step. Those with fair skin could experience burns in a matter of minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.