Boise City Weather in July

The climate in Boise City during July can be summarized as hot and reasonably dry.

July is in the summer in Boise City and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 33°C (92°F), whilst at night 17°C (62°F) is normal.

On average July is the wettest month of the year in Boise City with around 71mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.9 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 Boise City in July 2025.