World Resorts USA Grand Isle Weather

Winter weather in Grand Isle

Weather in Grand Isle in Winter

December January February
Average day temperature:
Average day temperature: 63.0°F 58.6°F 61.2°F
Average night temperature:
Average night temperature: 60.5°F 56.1°F 58.6°F
Sea water temperature:
Sea water temperature: 66.0°F 61.8°F 62.6°F
Number of sunny days:
Number of sunny days: 10 days 11 days 9 days
Day length:
Day length: 10.3 - 10.4 h. 10.3 - 10.8 h. 10.8 - 11.6 h.
Number of rainy days:
Number of rainy days: 1 day 3 days 2 days
Precipitation totals:
Precipitation totals: 0.7 in. 1.6 in. 0.8 in.

Day & Night air temperature, °F

Sea water temperature, °F

Precipitation total, in.

Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

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: 17:15
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