Gretna Weather in May

Gretna in May sees high daytime temperatures of 29°C (84°F) and nighttime lows of 21°C (70°F). Rainfall is fairly high this month at around 143 mm (5.6 in), so pack a rain jacket to stay dry.

Rainfall in Gretna in May

This month experiences about 9 days of rain according to historical data, averaging 143 mm (5.6 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Gretna in May

Temperatures in Gretna in May top out at 29°C (84°F) and drop to 21°C (70°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors.

Sunshine in Gretna in May

Enjoy a sunny month with about 279 hours of sunshine, the clear skies make Gretna even more beautiful.

Wind Speed in Gretna in May

In May, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in May

At 26°C (79°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If your ideal day consists of dry skies and pleasant temperatures, November typically offers the best circumstances for Gretna.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Gretna's climate page.

Gretna Temperature in May

Min Temperature 21°C (70°F)  

Max Temperature 29°C (84°F)  

Water Temperature 26°C (79°F) *  

Chance of Rain 30%  

Precipitation 143 mm (5.6 in)  

Rainy days 9 days  

Humidity 74% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 279 hours *  

Percentage Sunshine 66% *  

* Data from: New Orleans, the United States of America (20 KM, 12 Miles).

What to Wear in Gretna in May

Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 26°C (79°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Gretna in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Gretna's climate page.

More climate data for Gretna

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Gretna climate overview or explore weather in the United States of America.