Santa Clara — Water Temperature in March

Water Temperature Range

10°C

minimum

13°C

average

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

March: Climate and Swimming Opportunities

Average Night Air Temperature

8°C

Average Day Air Temperature

18°C

Precipitation Amount per Month

70 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

9 hrs

Average Wind Speed

12 km/h

Average Humidity

73%

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.