Rock Hall — Water Temperature in October

Water Temperature Range

13°C

minimum

20°C

average

24°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	2026	2025	2024	2023
OCT 1	-10°C	21°C	23°C	22°C
OCT 2	21°C	22°C	23°C	22°C
OCT 3	21°C	22°C	23°C	22°C
OCT 4	21°C	22°C	22°C	23°C
OCT 5	21°C	22°C	22°C	23°C
OCT 6	21°C	22°C	22°C	23°C
OCT 7	21°C	22°C	21°C	23°C
OCT 8	20°C	21°C	21°C	23°C
OCT 9	20°C	22°C	21°C	24°C
OCT 10	20°C	22°C	21°C	23°C
OCT 11	20°C	21°C	21°C	23°C
OCT 12	20°C	21°C	21°C	22°C
OCT 13	20°C	21°C	20°C	22°C
OCT 14	20°C	21°C	20°C	22°C
OCT 15	20°C	21°C	19°C	22°C
OCT 16	20°C	20°C	19°C	23°C
OCT 17	21°C	20°C	18°C	22°C
OCT 18	21°C	20°C	18°C	20°C
OCT 19	20°C	19°C	18°C	20°C
OCT 20	19°C	19°C	17°C	19°C
OCT 21	18°C	19°C	17°C	20°C
OCT 22	18°C	19°C	17°C	20°C
OCT 23	18°C	19°C	17°C	20°C
OCT 24	18°C	19°C	17°C	19°C
OCT 25	17°C	18°C	16°C	19°C
OCT 26	17°C	18°C	16°C	19°C
OCT 27	17°C	19°C	16°C	19°C
OCT 28	17°C	18°C	16°C	18°C
OCT 29	17°C	18°C	16°C	18°C
OCT 30	17°C	18°C	15°C	18°C
OCT 31	17°C	17°C	15°C	18°C

October: Climate and Swimming Opportunities

Average Night Air Temperature

8°C

Average Day Air Temperature

20°C

Precipitation Amount per Month

88 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

6 hrs

Average Wind Speed

11 km/h

Average Humidity

69%

With such a ratio between the average monthly temperatures of water and air, swimming feels warm and comfortable even if the day isn’t hot. The water can feel warmer than the air, so getting out may feel a bit cool.