Sea Temperature in Grand Isle in January

Complete information on the sea temperature range in the Gulf of Mexico (Gulf of America) in Grand Isle in January. Historical daily data. Climate details for January. Tips on swimming conditions and beach relaxation in Grand Isle. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Grand Isle in January

12°C

MINIMUN

15.5°C

AVERAGE

19°C

MAXIMUM

Historical Data of Water Temperature in January in Grand Isle

Water Temperature Chart for Gulf of Mexico (Gulf of America) in Grand Isle in January

Sea Temperature Table in Grand Isle in January Over the Past Years

Day	2024	2023	2022	Average
Jan 1	15°C	15°C	16°C	15.8°C
Jan 2	15°C	18°C	13°C	15.5°C
Jan 3	15°C	15°C	18°C	16.0°C
Jan 4	15°C	15°C	14°C	15.0°C
Jan 5	15°C	15°C	18°C	16.0°C
Jan 6	15°C	13°C	16°C	15.0°C
Jan 7	15°C	18°C	18°C	16.5°C
Jan 8	15°C	18°C	14°C	15.5°C
Jan 9	14°C	18°C	18°C	16.3°C
Jan 10	14°C	18°C	16°C	15.5°C
Jan 11	15°C	18°C	18°C	16.3°C
Jan 12	13°C	18°C	18°C	15.8°C
Jan 13	13°C	13°C	16°C	13.8°C
Jan 14	14°C	17°C	15°C	14.8°C
Jan 15	13°C	17°C	12°C	13.8°C
Jan 16	13°C	17°C	16°C	14.5°C
Jan 17	13°C	17°C	15°C	14.5°C
Jan 18	13°C	17°C	18°C	15.3°C
Jan 19	13°C	17°C	17°C	15.0°C
Jan 20	13°C	16°C	15°C	14.3°C
Jan 21	13°C	16°C	15°C	14.3°C
Jan 22	13°C	17°C	14°C	14.3°C
Jan 23	14°C	17°C	18°C	15.8°C
Jan 24	14°C	17°C	17°C	15.3°C
Jan 25	14°C	17°C	14°C	14.5°C
Jan 26	16°C	18°C	15°C	15.8°C
Jan 27	16°C	18°C	16°C	15.5°C
Jan 28	16°C	18°C	12°C	14.5°C
Jan 29	16°C	12°C	17°C	14.3°C
Jan 30	17°C	13°C	17°C	15.0°C

Grand Isle Climate and Swimming Opportunities in January

17°C

Average Day Air Temperature

7°C

Average Night Air Temperature

117 mm

Precipitation Amount per Month

10 days

Number of Rainy Days

10 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

14 km/h

Average Wind Speed

73%

Average
humidity

Grand Isle lies within the Louisiana in United States. The average daytime temperature in Grand Isle in January is 62°F (17°C), while the nighttime average is 44°F (7°C). There are typically 10 rainy days during the month, with a total precipitation of 4.6 inches (117 mm). The daylight duration in January in Grand Isle is 10 hours, with an average of 5 hours of sunshine per day. The average wind speed in January is 9 mph (14 km/h), and the humidity level is around 73%.

The water temperature in Grand Isle in January ranges from 55°F to 61°F (13°C to 16°C). At the beginning of the month, the average temperature is around 61°F (16°C), shifting to 59°F (15°C) by mid-January and reaching 59°F (15°C) in the last ten days. Overall, the average sea temperature in Grand Isle for January is 59°F (15°C). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Sea Temperature in January in Nearby Cities

Frequently Asked Questions About Water Temperatures in January in Grand Isle

What is the sea temperature in Grand Isle in January?

The water temperature in the Gulf of Mexico (Gulf of America) in Grand Isle in January ranges from 55°F to 61°F (13°C to 16°C).

Is it possible to swim in the Gulf of Mexico (Gulf of America) in Grand Isle in January?

The average sea temperature in Grand Isle in January is 59°F (15°C), and the air temperature is 62°F (17°C), so ideal conditions for a refreshing swim, though some may still find it a bit cool.