New Orleans — Water Temperature in March

Water Temperature Range

12°C

minimum

17°C

average

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

March: Climate and Swimming Opportunities

Average Night Air Temperature

-9°C

Average Day Air Temperature

4°C

Precipitation Amount per Month

40 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

8 hrs

Average Wind Speed

13 km/h

Average Humidity

59%

With such a ratio between the average monthly temperatures of water and air, the swim feels brisk and very refreshing. The air is warm enough to make the cool water easy to handle, especially for short swims.