San Carlos — Water Temperature in May

Water Temperature Range

16°C

minimum

20°C

average

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

May: Climate and Swimming Opportunities

Average Night Air Temperature

21°C

Average Day Air Temperature

32°C

Precipitation Amount per Month

1 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

10 hrs

Average Wind Speed

11 km/h

Average Humidity

45%

At such water and air temperatures, swimming is pleasant and refreshing rather than hot. After you get in, it feels comfortable, and you’ll warm up quickly when you come out.

Water Temperature in Nearby Locations

Isla Santa Margarita