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Gretna
Weather averages
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Climate in Gretna (Louisiana), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: New Orleans, the United States of America (20 KM, 12 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year
* Data from: New Orleans, the United States of America (20 KM, 12 Miles).

Average water temperature

The mean water temperature over the year.
* Data from: New Orleans, the United States of America (20 KM, 12 Miles).

Monthly precipitation

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

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year
* Data from: New Orleans, the United States of America (20 KM, 12 Miles).

Average wind speed

The mean monthly wind speed over the year (in meters per second)
* Data from: New Orleans, the United States of America (20 KM, 12 Miles).

Weather Forecasts for Gretna (LA)

Tue   Apr 23
24°C | 12°C
S 18 km/h
clear and no rain

clear and no rain

hourly forecast
Wed   Apr 24
27°C | 15°C
S 7 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
Thu   Apr 25
27°C | 17°C
S 18 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Gretna in the United States of America

During the months of March and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which months have the greatest rainfall in Gretna?
    Most rainfall (rainy season) is seen in April, June, July, August, September and December.
  • Which is the warmest month in Gretna?
    August has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Gretna?
    The coldest month is January with an average maximum temperature of 17°C.
  • Which is the wettest month in Gretna?
    July tops the wettest month list with 217 mm of rainfall.
  • Which is the driest month in Gretna?
    November is the driest month with 75 mm of precipitation.
  • Which is the sunniest month in Gretna?
    May is the sunniest month with an average of 279 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     

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