South Kingstown — Water Temperature in October

Water Temperature Range

9°C

minimum

15°C

average

20°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	2025	2024	2023	2022
OCT 1	19°C	19°C	20°C	17°C
OCT 2	18°C	18°C	19°C	17°C
OCT 3	19°C	19°C	20°C	17°C
OCT 4	19°C	19°C	20°C	17°C
OCT 5	18°C	18°C	19°C	16°C
OCT 6	18°C	18°C	19°C	16°C
OCT 7	18°C	18°C	20°C	16°C
OCT 8	18°C	18°C	20°C	16°C
OCT 9	18°C	18°C	20°C	15°C
OCT 10	19°C	19°C	18°C	19°C
OCT 11	19°C	19°C	18°C	19°C
OCT 12	19°C	19°C	19°C	19°C
OCT 13	16°C	16°C	18°C	14°C
OCT 14	17°C	17°C	20°C	14°C
OCT 15	17°C	17°C	19°C	14°C
OCT 16	16°C	16°C	19°C	13°C
OCT 17	17°C	17°C	20°C	13°C
OCT 18	16°C	16°C	19°C	13°C
OCT 19	16°C	16°C	18°C	13°C
OCT 20	15°C	15°C	17°C	12°C
OCT 21	15°C	15°C	17°C	12°C
OCT 22	15°C	15°C	18°C	12°C
OCT 23	15°C	15°C	18°C	12°C
OCT 24	15°C	15°C	18°C	11°C
OCT 25	15°C	15°C	18°C	11°C
OCT 26	15°C	15°C	18°C	11°C
OCT 27	14°C	14°C	17°C	11°C
OCT 28	13°C	13°C	16°C	10°C
OCT 29	13°C	13°C	16°C	10°C
OCT 30	13°C	13°C	15°C	10°C
OCT 31	13°C	13°C	16°C	9°C

October: Climate and Swimming Opportunities

Average Night Air Temperature

8°C

Average Day Air Temperature

16°C

Precipitation Amount per Month

135 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

5 hrs

Average Wind Speed

15 km/h

Average Humidity

83%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.