Puerto San Julián — Water Temperature in December

Water Temperature Range

6°C

minimum

10°C

average

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

December: Climate and Swimming Opportunities

Average Night Air Temperature

12°C

Average Day Air Temperature

23°C

Precipitation Amount per Month

10 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

9 hrs

Average Wind Speed

30 km/h

Average Humidity

41%

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.

Water Temperature in Nearby Locations

Puerto Santa Cruz