Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Morgan City features a humid subtropical climate (Cfa). Temperatures typically range between 13 °C (55 °F) and 28 °C (83 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1596 mm (62.9 inches) and receives 156 rainy days on the 1 mm (0.04 inches) threshold annually. Morgan City enjoys an average of 3203 hours of sunshine throughout the year, and daylight varies from 10 hours 15 minutes to 14 hours 0 minutes per day.
The warmest months in Morgan City are June, July and August, with daily mean temperatures ranging from 27 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 16 °C (55 - 60 °F) throughout the day. On average each year, Morgan City experiences 199 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 28°C (82°F) |
28°C (82°F) |
29°C (85°F) |
31°C (88°F) |
36°C (97°F) |
38°C (100°F) |
38°C (101°F) |
35°C (95°F) |
35°C (95°F) |
34°C (93°F) |
28°C (83°F) |
27°C (82°F) |
| Mean maximum | 25°C (77°F) |
27°C (80°F) |
28°C (83°F) |
30°C (86°F) |
33°C (91°F) |
34°C (93°F) |
35°C (96°F) |
34°C (94°F) |
34°C (93°F) |
32°C (90°F) |
27°C (82°F) |
26°C (80°F) |
| Average high | 17°C (64°F) |
20°C (69°F) |
23°C (74°F) |
26°C (78°F) |
30°C (85°F) |
31°C (88°F) |
32°C (89°F) |
32°C (89°F) |
31°C (87°F) |
28°C (82°F) |
22°C (72°F) |
19°C (67°F) |
| Daily mean | 13°C (55°F) |
16°C (60°F) |
19°C (66°F) |
21°C (70°F) |
25°C (77°F) |
27°C (82°F) |
28°C (83°F) |
28°C (82°F) |
26°C (80°F) |
23°C (74°F) |
16°C (62°F) |
14°C (58°F) |
| Average low | 8°C (47°F) |
11°C (52°F) |
14°C (58°F) |
16°C (61°F) |
21°C (70°F) |
24°C (76°F) |
25°C (77°F) |
25°C (77°F) |
23°C (74°F) |
19°C (67°F) |
11°C (53°F) |
10°C (51°F) |
| Mean minimum | -2°C (29°F) |
1°C (35°F) |
4°C (40°F) |
8°C (46°F) |
15°C (59°F) |
21°C (69°F) |
23°C (73°F) |
22°C (72°F) |
18°C (65°F) |
10°C (51°F) |
3°C (38°F) |
1°C (35°F) |
| Minimum | -8°C (18°F) |
-6°C (21°F) |
1°C (33°F) |
6°C (44°F) |
12°C (55°F) |
18°C (65°F) |
21°C (71°F) |
21°C (70°F) |
15°C (59°F) |
6°C (43°F) |
-2°C (28°F) |
-0°C (32°F) |
Compare temperature, precipitation, sunshine, UV index in Morgan City, Louisiana, United States with other places around the world.
Morgan City usually has the most precipitation in June, July and August, with an average of 21 rainy days and 216 mm (8.5 inches) of precipitation per month. The driest months in Morgan City are January, March and November. On average, 71 mm (2.8 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 89 (3.5) | 97 (3.8) | 59 (2.3) | 115 (4.5) | 149 (5.9) | 210 (8.3) | 226 (8.9) | 211 (8.3) | 169 (6.6) | 112 (4.4) | 65 (2.6) | 96 (3.8) |
| Average precipitation days (≥ 1 mm) | 7 | 10 | 9 | 9 | 11 | 16 | 22 | 25 | 17 | 12 | 8 | 10 |
The sunniest months in Morgan City are May, July and August, when the sun shines an average of 9 hours 57 minutes a day. Least sunny months in Morgan City: January, February and December receive an average of 6 hours 39 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 180 | 198 | 269 | 282 | 320 | 299 | 303 | 302 | 279 | 283 | 255 | 228 |
| Mean daily daylight hours | 10h 28m | 11h 8m | 12h 0m | 12h 54m | 13h 38m | 14h 0m | 13h 48m | 13h 9m | 12h 17m | 11h 24m | 10h 38m | 10h 15m |
Morgan City experiences the highest level of ultraviolet (UV) radiation in April, 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 7. For more detailed information, check out our hourly Morgan City UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 5 | 8 | 9 | 11 | 11 | 11 | 12 | 12 | 11 | 9 | 7 | 5 |
Discover in-depth weather details for every month in Morgan City. 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 Morgan City'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.