New Orleans — Water Temperature in May

Water Temperature Range

20°C

minimum

25°C

average

29°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

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

May: Climate and Swimming Opportunities

Average Night Air Temperature

-0°C

Average Day Air Temperature

14°C

Precipitation Amount per Month

55 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

9 hrs

Average Wind Speed

14 km/h

Average Humidity

52%

At such water and air temperatures, swimming feels truly comfortable and relaxing. The warm water won’t cool you down, so you can stay in for a long time without getting chilled.