Climate of Louisiana, USA
Area-weighted average across Louisiana. For where people actually live and travel, see the cities below.
Louisiana, a subdivision of United States of America, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 9°C / 48.2°F in January to 27.6°C / 81.7°F in July, with rainfall from 99 mm / 3.9 in to 142 mm / 5.6 in depending on the season (1489 mm / 58.6 in total across the year). See the 2 cities listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 9°C48.2°F | 133 mm5.2″ | — |
| February | 11.2°C52.2°F | 121 mm4.8″ | — |
| March | 15.1°C59.2°F | 128 mm5″ | — |
| April | 18.8°C65.8°F | 114 mm4.5″ | — |
| May | 22.9°C73.2°F | 137 mm5.4″ | — |
| June | 26.3°C79.3°F | 124 mm4.9″ | — |
| July | 27.6°C81.7°F | 134 mm5.3″ | — |
| August | 27.4°C81.3°F | 119 mm4.7″ | — |
| September | 24.9°C76.8°F | 118 mm4.6″ | — |
| October | 19.5°C67.1°F | 99 mm3.9″ | — |
| November | 14.4°C57.9°F | 120 mm4.7″ | — |
| December | 10.6°C51.1°F | 142 mm5.6″ | — |
Frequently asked questions
What is the best time to visit Louisiana?
Louisiana, United States of America does not have a clear sunny-and-dry window by our cutoffs. The warmest month is July at 27.6°C / 81.7°F, and the driest is October at 99 mm / 3.9 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Louisiana?
Louisiana, United States of America has area-weighted monthly average temperatures ranging from 9°C / 48.2°F in January to 27.6°C / 81.7°F in July. Annual rainfall averages about 1489 mm / 58.6 in, with the wettest month being December (142 mm / 5.6 in) and the driest October (99 mm / 3.9 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Louisiana?
The hottest month in Louisiana is July, with an area-wide average temperature of 27.6°C / 81.7°F.
What is the coldest month in Louisiana?
The coldest month in Louisiana is January, with an area-wide average temperature of 9°C / 48.2°F.
When does it rain most in Louisiana?
The wettest month in Louisiana is December, averaging about 142 mm / 5.6 in of rainfall. The driest is October with about 99 mm / 3.9 in.