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Average water temperature in Gretna

On this page you find the mean water temperature over the year in Gretna (Louisiana), the United States of America. Get insights into the water temperature fluctuations and discover what they mean for visitors.


Water temperatures in Gretna fluctuate across the seasons. The warmest month, August, averages 28°C.

The coldest water temperature month is March, averaging 20°C. Seasonal shifts offer opportunities to explore different activities depending on the time of year.


Forecast for Gretna (LA)

Sun   Dec 22
14°C | 4°C
NE 3 m/s
clear and no rain

clear and no rain

Mon   Dec 23
19°C | 6°C
E 3 m/s
clear and no rain

clear and no rain

Tue   Dec 24
21°C | 11°C
E 4 m/s
almost clear and no rain

almost clear and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Gretna.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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