Grand Canyon Weather in June

What's the weather like in Grand Canyon (Arizona) in June 2025?

The climate in Grand Canyon during June can be summarized as warm and very dry.

June is in the summer in Grand Canyon and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (88°F), whilst at night 11°C (51°F) is normal.

Grand Canyon weather averages (imperial / metric)
Daytime temperature	31°C 87.7°F
Nightly temperature	10.7°C 51.2°F
Average temperature	20.8°C 69.4°F
Daily sunshine	13.4 hrs
Avg rainfall	10 mm 0.4 ins
Rainy days	3 days
Sea temperature	15.7°C 60.2°F
Humidity	27%
Windspeed	17.3kph 11 mph

On average June is the driest month of the year in Grand Canyon with around 10mm 0.4 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 13.4 hours of sunshine per day.

June temperatures in Grand Canyon

Grand Canyon average temperature in June

June rainfall

June hourly sunshine

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Grand Canyon in June 2025.