Middletown — Water Temperature in October

Water Temperature Range

9°C

minimum

15°C

average

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