Carmel-by-the-Sea — Water Temperature in December

Water Temperature Range

10°C

minimum

13°C

average

15°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	2025	2024	2023	2022
DEC 1	13°C	14°C	12°C	14°C
DEC 2	13°C	14°C	12°C	14°C
DEC 3	13°C	14°C	12°C	15°C
DEC 4	12°C	13°C	11°C	14°C
DEC 5	13°C	14°C	12°C	14°C
DEC 6	13°C	14°C	12°C	14°C
DEC 7	13°C	13°C	12°C	14°C
DEC 8	13°C	14°C	12°C	14°C
DEC 9	13°C	14°C	12°C	12°C
DEC 10	13°C	13°C	12°C	12°C
DEC 11	13°C	13°C	12°C	14°C
DEC 12	13°C	14°C	12°C	14°C
DEC 13	13°C	13°C	12°C	14°C
DEC 14	13°C	14°C	12°C	13°C
DEC 15	13°C	14°C	12°C	13°C
DEC 16	13°C	14°C	12°C	13°C
DEC 17	13°C	14°C	12°C	14°C
DEC 18	13°C	14°C	12°C	14°C
DEC 19	13°C	15°C	12°C	13°C
DEC 20	13°C	15°C	12°C	14°C
DEC 21	13°C	14°C	12°C	14°C
DEC 22	13°C	14°C	12°C	14°C
DEC 23	13°C	14°C	12°C	14°C
DEC 24	14°C	14°C	13°C	15°C
DEC 25	14°C	14°C	13°C	15°C
DEC 26	14°C	14°C	13°C	15°C
DEC 27	13°C	13°C	13°C	14°C
DEC 28	13°C	14°C	13°C	14°C
DEC 29	13°C	14°C	12°C	14°C
DEC 30	13°C	15°C	12°C	14°C
DEC 31	14°C	15°C	13°C	14°C

December: Climate and Swimming Opportunities

Average Night Air Temperature

6°C

Average Day Air Temperature

16°C

Precipitation Amount per Month

146 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

5 hrs

Average Wind Speed

13 km/h

Average Humidity

79%

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.