Gretna Weather in July

The climate in Gretna during July can be summarized as very hot, humid and wet.

July is in the summer in Gretna and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 24°C (74°F) is normal.

On average July is the wettest month of the year in Gretna with around 174mm 6.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.8 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 Gretna in July 2024.