Perdido Key — Water Temperature in May

Water Temperature Range

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

May: Climate and Swimming Opportunities

Average Night Air Temperature

19°C

Average Day Air Temperature

29°C

Precipitation Amount per Month

100 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

9 hrs

Average Wind Speed

13 km/h

Average Humidity

73%

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.