Gretna, LA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Gretna now
Loading the National Weather Service forecast…
Gretna weather by the hour
Gretna weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Gretna.
This week in Gretna
Sunrise, sunset and moon in Gretna
What is the weather usually like in Gretna?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 92°F average high
- Januarycoldest month · 45°F average low
- 65.9 inprecipitation per year · 1,675 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Gretna: March–April and October–November, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station TERRYTOWN 3S, LA US (USC00168941), adjusted for the elevation of Gretna.
Gretna weather month by month
Sunrise and sunset in Gretna through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 6:55 AM | 5:24 PM | 10 h 29 min |
| February | 6:38 AM | 5:50 PM | 11 h 11 min |
| March | 7:08 AM | 7:09 PM | 12 h 1 min |
| April | 6:31 AM | 7:28 PM | 12 h 56 min |
| May | 6:05 AM | 7:47 PM | 13 h 42 min |
| June | 5:57 AM | 8:03 PM | 14 h 6 min |
| July | 6:08 AM | 8:04 PM | 13 h 55 min |
| August | 6:26 AM | 7:42 PM | 13 h 15 min |
| September | 6:43 AM | 7:06 PM | 12 h 23 min |
| October | 7:01 AM | 6:30 PM | 11 h 29 min |
| November | 6:24 AM | 5:05 PM | 10 h 41 min |
| December | 6:47 AM | 5:03 PM | 10 h 16 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Gretna?
Gretna has a humid subtropical climate. The warmest month is July, with an average high of 92°F (33°C), and the coldest is January, with average lows of 45°F (7°C).
It gets about 65.9 inches (1,675 mm) of precipitation a year. The wettest month is July and the driest is October.
The best time to visit Gretna is March–April and October–November. At 0 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Gretna
Weather in towns near Gretna
Questions about the weather in Gretna
What is the hottest month in Gretna?
July, with an average high of 92°F (33°C).
What is the coldest month in Gretna?
January, with an average low of 45°F (7°C).
How much does it rain in Gretna?
About 65.9 inches (1,675 mm) a year; the wettest month is July.
Does it snow in Gretna?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Gretna?
March–April and October–November, when temperatures are most pleasant and rainy days are fewer.
What climate does Gretna have?
Humid subtropical (Köppen Cfa).
What is the weather like in Gretna in November?
Highs average 72°F and lows 53°F, with about 4.1 inches of precipitation.
What time is sunrise in Gretna?
Around 6:24 AM in mid-November, and sunset around 5:05 PM. Today’s exact times are shown above.
Where does this Gretna weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Gretna.
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