Passaic Weather in July

The climate in Passaic during July can be summarized as hot and damp.

July is in the summer in Passaic and is typically the warmest month of the year. Daytime maximum temperatures average around 30°C (86°F), whilst at night 19°C (66°F) is normal.

On average July is the 2nd wettest month of the year in Passaic with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.4 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 Passaic in July 2025.