Sarpi — Water Temperature in December

Water Temperature Range

10°C

minimum

14°C

average

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

December: Climate and Swimming Opportunities

Average Night Air Temperature

5°C

Average Day Air Temperature

10°C

Precipitation Amount per Month

228 mm

Number of Rainy Days

Daylight per Day

9 hrs

Sunshine per Day

4 hrs

Average Wind Speed

11 km/h

Average Humidity

61%

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.