Marrero (LA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Marrero.

Climate overview of Marrero

Marrero, Louisiana, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 33°C (91°F) in July, while winters cool to 17°C (63°F) in January.

With around 1748 mm (69 in) of annual rainfall, Marrero has a notably wet climate. However, this rainfall is not evenly distributed — the city has very warm summers and mild winters. The wettest month is July. The sunniest month is May, with 9.3 hours of sunshine per day on average.

Marrero Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Marrero - and find the best time to visit.

Monthly Temperature in Marrero

Depending on the time of the year, temperatures range from very warm to moderate in Marrero. Average daytime temperatures reach a very warm 33°C (91°F) in July. In January, the coolest month of the year, temperatures drop to a moderate 17°C (63°F).

At night, temperatures range from around 25°C (77°F) in July to 7°C (45°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Marrero

Marrero has a relatively rainy climate with high precipitation levels, averaging 1748 mm (69 in) of rainfall annually. Marrero can be quite wet during July, receiving approximately 225 mm (8.9 in) of precipitation over 22 rainy days.

In contrast, during the driest month (November), you will experience much drier conditions, with 73 mm (2.9 in) of precipitation spread across 7 rainy days. For more details, please visit our Marrero Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Marrero

Marrero can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 9.3 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 5.1 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: New Orleans, the United States of America (17 KM, 10 Miles).

Daily hours of sunshine

Data from: New Orleans, the United States of America (17 KM, 10 Miles).

Water Temperature in Marrero

The mean water temperature over the year ranges from 20°C (68°F) in January to 28°C (82°F) in June.

Water temperature over the year

Data from: New Orleans, the United States of America (17 KM, 10 Miles).

Humidity in Marrero by Month

Wind Speed in Marrero

Best Time to Visit Marrero

For comfortable weather, consider visiting Marrero in November. Conditions are usually least favourable in June, July and August.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: November
  • Warmest weather: June, July and August
  • Most sunshine: May and June
  • Fewest rainy days: March, May, October and November
  • Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
  • Seasonal pattern: Very warm summers and mild winters

Frequently asked questions about the climate in Marrero

What is the best time to visit Marrero?

November typically offers the most optimal weather in Marrero. In contrast, June, July and August tend to have less optimal conditions. Marrero has very warm summers and mild winters.

What temperatures can I expect in Marrero?

Daytime highs range from 17°C (63°F) in January to 33°C (91°F) in July. Nighttime lows range from 7°C (45°F) to 25°C (77°F). Temperatures vary considerably through the year.

How much rain does Marrero get?

Annual rainfall is around 1748 mm (69 in). July is the wettest month with 225 mm (8.9 in), while November is the driest with 73 mm (2.9 in).

How sunny is Marrero?

Marrero receives around 2,640 hours of sunshine per year. May is the sunniest month with 279 hours, while January is the cloudiest with just 152 hours. Overall, Marrero enjoys abundant sunshine.

Marrero 3-Day Forecast

Marrero (LA) 3-Day Forecast

Marrero on the map

Marrero is highlighted - select any city to see its climate.

Popular this month

Where to go in July - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.