World Resorts USA Grand Isle Weather

Grand Isle weather in October

Weather in Grand Isle: October

Average day temperature: 75.6°F
Average night temperature: 72.8°F
Sea water temperature: 78.0°F
Number of sunny days: 15 days
Day length: 11.0 - 11.9 hours
Number of rainy days: 1 day
Precipitation totals: 0.9 in.

Air temperature in October, °F

Show year:
2024
2023
2022

The highest day temperature during October of 2024 was 82°F. At the same time the lowest night temperature was 64°F. Day and night temperature averages during October were 75.9°F and 73.2°F.

Sea water temperature in Grand Isle in October, °F

Show year:
2024
2023
2022

The average sea water temperature in October of 2024 was 78.9°F. The highest and lowest sea temperatures during the month were 83.3°F and 74.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in October are sunny but cloudy days are also possible.

Precipitation total in October, in.

Precipitation total value in Grand Isle in October is 0.9 in. Other months of the year show relatively similar values.

Wind speed in October, mph

The average wind speed value in October is 11.8 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 7.6.

Best time for vacation in Grand Isle

Sunniest months:
October 15 days
November 13 days
May 13 days
Warmest months:
August 85.9 °F
July 85.3 °F
June 83.7 °F
Warmest sea temp:
August 88.0 °F
July 87.0 °F
June 84.8 °F
Coldest months:
January 59.6 °F
February 61.3 °F
December 63.2 °F
Rainiest months:
July 6 days
August 5 days
June 4 days
Windiest months:
April 13.0 mph
January 12.8 mph
March 12.8 mph

Grand Isle on a weather map

Grand Isle
+57°F
S 19 mph
Feels like: +54°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+43°F
+73°F
+73°F
+41°F
+55°F
+73°F
+66°F
+48°F
+50°F
+55°F
+64°F
+61°F
+54°F
+32°F
24 Hours Forecast
Grand Isle
Local time: 09:12
November 21, thursday
1200
59°F
S
16 mph
1500
63°F
SE
16 mph
1800
63°F
SE
14 mph
2100
63°F
SE
14 mph
November 22, friday
0000
61°F
SE
16 mph
0300
61°F
SE
16 mph
0600
59°F
SE
16 mph
0900
59°F
SE
15 mph
Units of measurement: °C / °F