Grand Canyon Weather in July

The climate in Grand Canyon during July can be summarized as hot and reasonably dry.

July is in the summer in Grand Canyon and is typically the warmest month of the year. Daytime maximum temperatures average around 33°C (92°F), whilst at night 15°C (59°F) is normal.

On average July is the 3rd wettest month of the year in Grand Canyon with around 32mm 1.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.8 hours of sunshine per day.

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 July 2025.