Santa Cruz — Water Temperature in October

Water Temperature Range

12°C

minimum

16°C

average

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

October: Climate and Swimming Opportunities

Average Night Air Temperature

10°C

Average Day Air Temperature

22°C

Precipitation Amount per Month

35 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

8 hrs

Average Wind Speed

12 km/h

Average Humidity

71%

At such water and air temperatures, swimming feels cool and invigorating. It’s comfortable for a quick dip, and you’ll feel fine as long as you warm up soon after.