Port Isabel Weather in July

The climate in Port Isabel during July can be summarized as very hot, humid and reasonably dry.

July is in the summer in Port Isabel and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 24°C (76°F) is normal.

On average July is the 6th wettest month of the year in Port Isabel with around 47mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.3 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 Port Isabel in July 2024.