Arenas Verdes — Water Temperature in December

Water Temperature Range

14°C

minimum

17°C

average

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

December: Climate and Swimming Opportunities

Average Night Air Temperature

13°C

Average Day Air Temperature

25°C

Precipitation Amount per Month

89 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

9 hrs

Average Wind Speed

22 km/h

Average Humidity

75%

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.