New Orleans — Water Temperature in January

Water Temperature Range

10°C

minimum

13°C

average

18°C

maximum

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Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2026	2025	2024	2023
JAN 1	15°C	15°C	16°C	16°C
JAN 2	16°C	14°C	14°C	10°C
JAN 3	15°C	15°C	14°C	10°C
JAN 4	15°C	14°C	14°C	11°C
JAN 5	15°C	14°C	14°C	13°C
JAN 6	15°C	14°C	14°C	11°C
JAN 7	15°C	15°C	14°C	11°C
JAN 8	15°C	14°C	14°C	15°C
JAN 9	15°C	14°C	14°C	13°C
JAN 10	15°C	13°C	14°C	13°C
JAN 11	16°C	13°C	14°C	10°C
JAN 12	15°C	13°C	13°C	11°C
JAN 13	15°C	13°C	13°C	13°C
JAN 14	15°C	13°C	12°C	14°C
JAN 15	15°C	12°C	13°C	14°C
JAN 16	14°C	11°C	12°C	12°C
JAN 17	14°C	11°C	12°C	15°C
JAN 18	14°C	11°C	12°C	14°C
JAN 19	14°C	11°C	12°C	10°C
JAN 20	13°C	11°C	12°C	13°C
JAN 21	14°C	11°C	12°C	14°C
JAN 22	13°C	12°C	12°C	11°C
JAN 23	13°C	11°C	12°C	11°C
JAN 24	12°C	12°C	13°C	14°C
JAN 25	13°C	11°C	13°C	12°C
JAN 26	12°C	12°C	13°C	10°C
JAN 27	12°C	11°C	13°C	12°C
JAN 28	13°C	11°C	12°C	15°C
JAN 29	13°C	11°C	13°C	16°C
JAN 30	12°C	11°C	13°C	13°C
JAN 31	12°C	12°C	13°C	13°C

January: Climate and Swimming Opportunities

Average Night Air Temperature

-15°C

Average Day Air Temperature

-3°C

Precipitation Amount per Month

55 mm

Number of Rainy Days

Daylight per Day

9 hrs

Sunshine per Day

5 hrs

Average Wind Speed

11 km/h

Average Humidity

68%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.