San Carlos — Water Temperature in January

Water Temperature Range

17°C

minimum

19°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

12°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

16 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

7 hrs

Average Wind Speed

9 km/h

Average Humidity

53%

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.

Water Temperature in Nearby Locations

Isla Santa Margarita