Gretna, LA Weather & Climate Normals
Gretna's real weather, in one number
Gretna, LA scores 57/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 6 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Gretna's hottest and coldest months
Gretna's hottest month is Jul, averaging 84°F; its coldest is Jan, averaging 54°F, a 30.1°F swing across the year, a middling gap by national standards.
Gretna's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 63°F | 45°F | 5.76in | 0in |
| Feb | 66°F | 49°F | 4.04in | 0in |
| Mar | 73°F | 54°F | 5.16in | 0in |
| Apr | 78°F | 61°F | 5.2in | 0in |
| May | 85°F | 68°F | 4.66in | 0in |
| Jun | 90°F | 75°F | 6.86in | 0in |
| Jul | 92°F | 76°F | 7.32in | 0in |
| Aug | 92°F | 76°F | 6.84in | 0in |
| Sep | 89°F | 73°F | 6.81in | 0in |
| Oct | 81°F | 63°F | 3.74in | 0in |
| Nov | 72°F | 53°F | 4.15in | 0in |
| Dec | 65°F | 48°F | 5.4in | 0in |
Feb, Mar, Apr, Oct, Nov, and Dec are the best time to see Gretna at its mildest; the rest of the year, plan around Jul's heat and Jan's cold.
Rain and snow in Gretna
Gretna averages 65.94in of precipitation a year across roughly 111 days with measurable rain or snow, and 0in of snow a year.
Where Gretna ranks
Gretna ranks 683 of 4876 US cities in this dataset for comfort score, and 13 of 59 within LA. About 17,185 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Terrytown 3s, LA US, 1.1 miles from Gretna, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station