Imperial Beach — Water Temperature in October

Water Temperature Range

16°C

minimum

23°C

average

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

October: Climate and Swimming Opportunities

Average Night Air Temperature

15°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

11 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

8 hrs

Average Wind Speed

10 km/h

Average Humidity

70%

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.