La Jolla Shores — Water Temperature in March

Water Temperature Range

12°C

minimum

15°C

average

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

March: Climate and Swimming Opportunities

Average Night Air Temperature

10°C

Average Day Air Temperature

20°C

Precipitation Amount per Month

47 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

8 hrs

Average Wind Speed

11 km/h

Average Humidity

67%

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.