King Salmon — Water Temperature in December

Water Temperature Range

8°C

minimum

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

December: Climate and Swimming Opportunities

Average Night Air Temperature

13°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

62 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

6 hrs

Average Wind Speed

13 km/h

Average Humidity

75%

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.