World Resorts USA Grand Isle Weather

Grand Isle 14 Days Forecast

14.12
sun
Day
55°F
SW 26 mph
Precip.
0%
Night
46°F
SW 24 mph
Precip.
0%
15.12
mon
Day
46°F
SW 13 mph
Precip.
0%
Night
50°F
SW 7 mph
Precip.
0%
16.12
tue
Day
57°F
W 9 mph
Precip.
0%
Night
61°F
W 9 mph
Precip.
0%
17.12
wed
Day
64°F
W 9 mph
Precip.
0%
Night
66°F
NW 16 mph
Precip.
0%
18.12
thu
Day
66°F
NW 12 mph
Precip.
0%
Night
68°F
N 10 mph
Precip.
19%
19.12
fri
Day
66°F
NW 10 mph
Precip.
28%
Night
66°F
NW 11 mph
Precip.
0%
20.12
sat
Day
66°F
N 9 mph
Precip.
100%
Night
68°F
NE 9 mph
Precip.
0%
21.12
sun
Day
70°F
NE 7 mph
Precip.
100%
Night
68°F
NE 3 mph
Precip.
0%
22.12
mon
Day
66°F
NW 9 mph
Precip.
45%
Night
66°F
NW 13 mph
Precip.
0%
23.12
tue
Day
66°F
NW 12 mph
Precip.
0%
Night
66°F
W 13 mph
Precip.
77%
24.12
wed
Day
66°F
W 10 mph
Precip.
83%
Night
66°F
W 12 mph
Precip.
0%
25.12
thu
Day
66°F
NW 11 mph
Precip.
0%
Night
66°F
N 11 mph
Precip.
0%
26.12
fri
Day
68°F
N 12 mph
Precip.
0%
Night
66°F
N 8 mph
Precip.
0%
27.12
sat
Day
68°F
N 11 mph
Precip.
43%
Night
68°F
N 11 mph
Precip.
0%

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

Sunniest months:
October 18 days
September 15 days
November 14 days
Warmest months:
August 85.8 °F
July 85.4 °F
June 83.7 °F
Warmest sea temp:
August 88.0 °F
July 87.2 °F
June 85.0 °F
Coldest months:
January 58.6 °F
February 61.2 °F
December 63.0 °F
Rainiest months:
July 5 days
June 4 days
August 4 days
Windiest months:
January 13.2 mph
March 13.0 mph
April 13.0 mph

Grand Isle on a weather map

Grand Isle
+52°F
SW 24 mph
Feels like: +46°F
Precip.: 0%
Places in USA:
Name
°F
+21°F
+77°F
+77°F
+68°F
+68°F
+79°F
+79°F
+75°F
+25°F
+64°F
+50°F
+75°F
+70°F
+50°F
+12°F
24 Hours Forecast
Grand Isle
Local time: 17:14
December 14, sunday
1800
52°F
SW
24 mph
2100
50°F
SW
26 mph
December 15, monday
0000
46°F
SW
24 mph
0300
45°F
SW
22 mph
0600
45°F
SW
19 mph
0900
45°F
SW
16 mph
1200
46°F
SW
13 mph
1500
48°F
SW
14 mph
Units of measurement: °C / °F