Gretna, LA
Climate overview — based on NOAA 1991-2020 normals from GRETNA, LA US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit Gretna
Full guide →Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | °F | °F | °F | 5.41 in | — | 9 |
| February | °F | °F | °F | 3.71 in | — | 7 |
| March | °F | °F | °F | 4.45 in | — | 7 |
| April | °F | °F | °F | 4.48 in | — | 5 |
| May | °F | °F | °F | 5.67 in | — | 6 |
| June | °F | °F | °F | 8.83 in | — | 12 |
| July | °F | °F | °F | 6.72 in | — | 12 |
| August | °F | °F | °F | 6.26 in | — | 9 |
| September | °F | °F | °F | 5.40 in | — | 9 |
| October | °F | °F | °F | 3.34 in | — | 5 |
| November | °F | °F | °F | 4.71 in | — | 7 |
| December | °F | °F | °F | 4.93 in | — | 8 |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when