Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Lake Charles features a humid subtropical climate (Cfa). Temperatures typically range between 12 °C (53 °F) and 28 °C (83 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1668 mm (65.6 inches) and receives 158 rainy days on the 1 mm (0.04 inches) threshold annually. Lake Charles enjoys an average of 3156 hours of sunshine throughout the year, and daylight varies from 10 hours 12 minutes to 14 hours 3 minutes per day.
The warmest months in Lake Charles are June, July and August, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 12 to 14 °C (53 - 58 °F) throughout the day. On average each year, Lake Charles experiences 192 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 27°C (81°F) |
28°C (82°F) |
29°C (85°F) |
31°C (89°F) |
36°C (97°F) |
35°C (96°F) |
38°C (101°F) |
37°C (99°F) |
35°C (95°F) |
34°C (94°F) |
29°C (85°F) |
28°C (82°F) |
| Mean maximum | 25°C (77°F) |
26°C (79°F) |
28°C (83°F) |
30°C (86°F) |
33°C (91°F) |
34°C (93°F) |
35°C (96°F) |
36°C (97°F) |
35°C (95°F) |
33°C (91°F) |
28°C (83°F) |
26°C (80°F) |
| Average high | 17°C (63°F) |
19°C (67°F) |
23°C (74°F) |
25°C (78°F) |
29°C (85°F) |
31°C (88°F) |
32°C (90°F) |
32°C (90°F) |
31°C (88°F) |
27°C (82°F) |
21°C (71°F) |
19°C (66°F) |
| Daily mean | 12°C (53°F) |
14°C (58°F) |
18°C (65°F) |
20°C (69°F) |
25°C (77°F) |
27°C (81°F) |
28°C (83°F) |
28°C (83°F) |
26°C (79°F) |
22°C (72°F) |
16°C (60°F) |
14°C (57°F) |
| Average low | 7°C (45°F) |
10°C (50°F) |
13°C (57°F) |
15°C (59°F) |
20°C (69°F) |
24°C (75°F) |
25°C (77°F) |
24°C (76°F) |
22°C (72°F) |
18°C (64°F) |
10°C (51°F) |
9°C (48°F) |
| Mean minimum | -3°C (27°F) |
-0°C (32°F) |
3°C (38°F) |
6°C (43°F) |
14°C (57°F) |
20°C (69°F) |
22°C (72°F) |
21°C (71°F) |
17°C (63°F) |
7°C (46°F) |
1°C (34°F) |
-0°C (32°F) |
| Minimum | -8°C (19°F) |
-7°C (19°F) |
-1°C (31°F) |
3°C (37°F) |
10°C (51°F) |
17°C (63°F) |
19°C (67°F) |
20°C (68°F) |
13°C (56°F) |
2°C (36°F) |
-3°C (27°F) |
-3°C (27°F) |
Compare temperature, precipitation, sunshine, UV index in Lake Charles, Louisiana, United States with other places around the world.
Lake Charles usually has the most precipitation in May, August and September, with an average of 15 rainy days and 187 mm (7.4 inches) of precipitation per month. The driest months in Lake Charles are February, March and November. On average, 86 mm (3.4 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 117 (4.6) | 110 (4.3) | 78 (3.1) | 152 (6.0) | 206 (8.1) | 168 (6.6) | 159 (6.2) | 182 (7.2) | 174 (6.8) | 124 (4.9) | 71 (2.8) | 126 (5.0) |
| Average precipitation days (≥ 1 mm) | 8 | 13 | 12 | 12 | 13 | 17 | 19 | 20 | 14 | 10 | 9 | 11 |
The sunniest months in Lake Charles are May, July and August, when the sun shines an average of 10 hours 15 minutes a day. Least sunny months in Lake Charles: January, February and December receive an average of 6 hours 8 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 169 | 171 | 258 | 273 | 315 | 307 | 323 | 314 | 272 | 279 | 252 | 218 |
| Mean daily daylight hours | 10h 25m | 11h 6m | 12h 0m | 12h 55m | 13h 41m | 14h 3m | 13h 51m | 13h 10m | 12h 18m | 11h 23m | 10h 36m | 10h 12m |
Lake Charles experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Lake Charles UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 5 | 8 | 9 | 10 | 11 | 12 | 12 | 11 | 10 | 8 | 6 | 5 |
Discover in-depth weather details for every month in Lake Charles. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Lake Charles's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.