Long Beach — Water Temperature in October

Water Temperature Range

13°C

minimum

20°C

average

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

October: Climate and Swimming Opportunities

Average Night Air Temperature

9°C

Average Day Air Temperature

18°C

Precipitation Amount per Month

101 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

7 hrs

Average Wind Speed

14 km/h

Average Humidity

66%

With such a ratio between the average monthly temperatures of water and air, swimming can feel slightly cool at first but still quite doable. It’s more comfortable if the sun is out, and you may want a towel or hoodie right after.