St. Simons Island — Water Temperature in October

Water Temperature Range

20°C

minimum

25°C

average

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

October: Climate and Swimming Opportunities

Average Night Air Temperature

15°C

Average Day Air Temperature

25°C

Precipitation Amount per Month

91 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

7 hrs

Average Wind Speed

13 km/h

Average Humidity

74%

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.