Santa Cruz — Water Temperature in August

Water Temperature Range

21°C

minimum

23°C

average

26°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	2025	2024	2023	2022
AUG 1	24°C	24°C	23°C	24°C
AUG 2	23°C	23°C	23°C	22°C
AUG 3	23°C	23°C	23°C	21°C
AUG 4	24°C	24°C	23°C	23°C
AUG 5	24°C	24°C	22°C	24°C
AUG 6	24°C	24°C	23°C	25°C
AUG 7	23°C	24°C	23°C	25°C
AUG 8	24°C	24°C	23°C	24°C
AUG 9	23°C	23°C	23°C	22°C
AUG 10	24°C	24°C	23°C	24°C
AUG 11	23°C	23°C	23°C	25°C
AUG 12	23°C	24°C	21°C	21°C
AUG 13	23°C	24°C	22°C	23°C
AUG 14	23°C	24°C	22°C	25°C
AUG 15	24°C	24°C	23°C	25°C
AUG 16	24°C	24°C	23°C	25°C
AUG 17	24°C	24°C	23°C	22°C
AUG 18	23°C	24°C	23°C	21°C
AUG 19	24°C	24°C	22°C	25°C
AUG 20	23°C	24°C	23°C	21°C
AUG 21	23°C	24°C	23°C	22°C
AUG 22	23°C	24°C	23°C	21°C
AUG 23	24°C	24°C	23°C	22°C
AUG 24	23°C	23°C	23°C	22°C
AUG 25	23°C	24°C	24°C	21°C
AUG 26	24°C	23°C	23°C	25°C
AUG 27	23°C	24°C	23°C	21°C
AUG 28	23°C	24°C	24°C	21°C
AUG 29	25°C	24°C	24°C	25°C
AUG 30	24°C	24°C	25°C	25°C
AUG 31	24°C	24°C	24°C	23°C

August: Climate and Swimming Opportunities

Average Night Air Temperature

19°C

Average Day Air Temperature

25°C

Precipitation Amount per Month

4 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

8 hrs

Average Wind Speed

18 km/h

Average Humidity

71%

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.