What is the best way to use the Louisiana climate data?
Use the monthly high and low averages to compare county by season, then open the climate trends page for a month-by-month chart.
County count
64
Summer candidates
0
Winter candidates
22
Louisiana Climate Summary
Seasonal climate context for search and comparison
Louisiana includes 64 county records. The annual average high is 77.5℉ and the annual average low is 56.6℉ based on the monthly climate dataset.
August has the highest average high at 92.3℉, while January has the lowest average low at 39.6℉. This helps compare summer comfort and winter warmth without relying on a single daily weather snapshot.
Under the default summer filter, 0 county match the cooling criteria. Under the default winter filter, 22 county match the warm-winter criteria.
Warm-winter candidates include Plaquemines Parish, Terrebonne Parish, Lafourche Parish.
Louisiana Monthly Temperature Charts
State / County Average high Average low
Jan
60.1℉
39.6℉
Feb
64.0℉
43.2℉
Mar
71.1℉
49.1℉
Apr
77.5℉
55.8℉
May
84.4℉
63.9℉
Jun
89.8℉
70.5℉
Jul
91.9℉
72.9℉
Aug
92.3℉
72.3℉
Sep
88.2℉
67.3℉
Oct
79.7℉
56.3℉
Nov
69.4℉
46.9℉
Dec
62.1℉
41.5℉
Summer candidates
Jun-Aug average high no higher than 78.8℉, scroll to view all 0
| County | Average high | Average low |
|---|---|---|
No matching counties | ||
Winter candidates
Dec-Feb average low no lower than 41.0℉, scroll to view all 22
| County | Average high | Average low |
|---|---|---|
| Plaquemines Parish | 63.9℉ | 48.6℉ |
| Terrebonne Parish | 65.5℉ | 47.8℉ |
| Lafourche Parish | 65.1℉ | 47.5℉ |
| Jefferson Parish | 64.6℉ | 46.9℉ |
| St. Bernard Parish | 63.0℉ | 46.8℉ |
| St. Mary Parish | 64.4℉ | 46.6℉ |
| Cameron Parish | 63.3℉ | 46.2℉ |
| Orleans Parish | 63.5℉ | 45.9℉ |
| St. Charles Parish | 65.1℉ | 45.9℉ |
| Iberia Parish | 64.0℉ | 45.5℉ |
| Vermilion Parish | 63.9℉ | 45.5℉ |
| Assumption Parish | 65.1℉ | 45.1℉ |
| St. James Parish | 65.1℉ | 44.6℉ |
| St. John the Baptist Parish | 64.8℉ | 44.4℉ |
| St. Martin Parish | 64.4℉ | 44.2℉ |
| Calcasieu Parish | 63.5℉ | 44.1℉ |
| Lafayette Parish | 64.0℉ | 44.1℉ |
| Jefferson Davis Parish | 63.5℉ | 43.9℉ |
| Acadia Parish | 63.5℉ | 43.7℉ |
| Ascension Parish | 64.6℉ | 43.7℉ |
| Iberville Parish | 64.4℉ | 43.5℉ |
| West Baton Rouge Parish | 64.0℉ | 42.8℉ |
Louisiana County Highlights
Rank counties by summer comfort, winter warmth, and seasonal stability
Coolest Summer
Plaquemines Parish Average high 89.1℉ St. Bernard Parish Average high 89.1℉ St. Mary Parish Average high 89.6℉ Orleans Parish Average high 89.8℉ Terrebonne Parish Average high 89.8℉ Cameron Parish Average high 90.0℉ Iberia Parish Average high 90.0℉ Lafourche Parish Average high 90.0℉ Jefferson Parish Average high 90.1℉ Vermilion Parish Average high 90.3℉Warmest Winter
Plaquemines Parish Average low 48.6℉ Terrebonne Parish Average low 47.8℉ Lafourche Parish Average low 47.5℉ Jefferson Parish Average low 46.9℉ St. Bernard Parish Average low 46.8℉ St. Mary Parish Average low 46.6℉ Cameron Parish Average low 46.2℉ Orleans Parish Average low 45.9℉ St. Charles Parish Average low 45.9℉ Iberia Parish Average low 45.5℉Frequently Asked Questions
Short answers based on the same visible climate data.
What does the summer filter mean?
The default summer filter selects places where June, July, and August average highs are no higher than 78.8℉.
What does the winter filter mean?
The default winter filter selects places where December, January, and February average lows are no lower than 41.0℉.