14.12
sun
sun
Day

55°F
SW 26 mph
Precip.
0%
0%
Night

46°F
SW 24 mph
Precip.
0%
0%
15.12
mon
mon
Day

46°F
SW 13 mph
Precip.
0%
0%
Night

50°F
SW 7 mph
Precip.
0%
0%
16.12
tue
tue
Day

57°F
W 9 mph
Precip.
0%
0%
Night

61°F
W 9 mph
Precip.
0%
0%
17.12
wed
wed
Day

64°F
W 9 mph
Precip.
0%
0%
Night

66°F
NW 16 mph
Precip.
0%
0%
18.12
thu
thu
Day

66°F
NW 12 mph
Precip.
0%
0%
Night

68°F
N 10 mph
Precip.
19%
19%
19.12
fri
fri
Day

66°F
NW 10 mph
Precip.
28%
28%
Night

66°F
NW 11 mph
Precip.
0%
0%
20.12
sat
sat
Day

66°F
N 9 mph
Precip.
100%
100%
Night

68°F
NE 9 mph
Precip.
0%
0%
21.12
sun
sun
Day

70°F
NE 7 mph
Precip.
100%
100%
Night

68°F
NE 3 mph
Precip.
0%
0%
22.12
mon
mon
Day

66°F
NW 9 mph
Precip.
45%
45%
Night

66°F
NW 13 mph
Precip.
0%
0%
23.12
tue
tue
Day

66°F
NW 12 mph
Precip.
0%
0%
Night

66°F
W 13 mph
Precip.
77%
77%
24.12
wed
wed
Day

66°F
W 10 mph
Precip.
83%
83%
Night

66°F
W 12 mph
Precip.
0%
0%
25.12
thu
thu
Day

66°F
NW 11 mph
Precip.
0%
0%
Night

66°F
N 11 mph
Precip.
0%
0%
26.12
fri
fri
Day

68°F
N 12 mph
Precip.
0%
0%
Night

66°F
N 8 mph
Precip.
0%
0%
27.12
sat
sat
Day

68°F
N 11 mph
Precip.
43%
43%
Night

68°F
N 11 mph
Precip.
0%
0%
sea water
temperature
temperature
| Grand Isle |
monthly
weather
weather
| Grand Isle |
current
weather
weather
| Grand Isle |
7 days
forecast
forecast
| Grand Isle |
Sea water temperature in December, °F
Show year:
2024
2023
2022
The average sea water temperature in December of 2024 was 65.9°F. The highest and lowest sea temperatures during the month were 69.8°F and 63.5°F.
Air temperature in Grand Isle, °F
Precipitation total in Grand Isle, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Grand Isle
Grand Isle on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Isle
Local time: 17:14
December 14, sunday
1800

52°F
SW
24 mph
24 mph
2100

50°F
SW
26 mph
26 mph
December 15, monday
0000

46°F
SW
24 mph
24 mph
0300

45°F
SW
22 mph
22 mph
0600

45°F
SW
19 mph
19 mph
0900

45°F
SW
16 mph
16 mph
1200

46°F
SW
13 mph
13 mph
1500

48°F
SW
14 mph
14 mph




























