Siesta Key — Water Temperature in October

Water Temperature Range

23°C

minimum

27°C

average

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

October: Climate and Swimming Opportunities

Average Night Air Temperature

20°C

Average Day Air Temperature

30°C

Precipitation Amount per Month

68 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

8 hrs

Average Wind Speed

13 km/h

Average Humidity

75%

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.