King Salmon — Water Temperature in May

Water Temperature Range

8°C

minimum

10°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	2026	2025	2024	2023
MAY 1	-10°C	12°C	9°C	11°C
MAY 2	12°C	10°C	9°C	11°C
MAY 3	12°C	10°C	9°C	11°C
MAY 4	12°C	10°C	9°C	10°C
MAY 5	11°C	10°C	9°C	11°C
MAY 6	12°C	10°C	9°C	11°C
MAY 7	12°C	10°C	9°C	11°C
MAY 8	12°C	10°C	9°C	10°C
MAY 9	13°C	10°C	9°C	10°C
MAY 10	12°C	10°C	9°C	10°C
MAY 11	12°C	11°C	10°C	10°C
MAY 12	12°C	10°C	9°C	9°C
MAY 13	13°C	11°C	9°C	11°C
MAY 14	13°C	10°C	10°C	9°C
MAY 15	12°C	10°C	10°C	9°C
MAY 16	12°C	11°C	10°C	10°C
MAY 17	12°C	11°C	10°C	9°C
MAY 18	13°C	11°C	10°C	10°C
MAY 19	12°C	11°C	10°C	10°C
MAY 20	10°C	11°C	10°C	9°C
MAY 21	10°C	11°C	10°C	10°C
MAY 22	11°C	11°C	10°C	10°C
MAY 23	11°C	11°C	11°C	10°C
MAY 24	11°C	11°C	10°C	10°C
MAY 25	10°C	11°C	10°C	10°C
MAY 26	11°C	11°C	10°C	10°C
MAY 27	12°C	10°C	10°C	11°C
MAY 28	12°C	10°C	10°C	10°C
MAY 29	11°C	11°C	10°C	10°C
MAY 30	11°C	11°C	11°C	10°C
MAY 31	11°C	11°C	11°C	10°C

May: Climate and Swimming Opportunities

Average Night Air Temperature

20°C

Average Day Air Temperature

31°C

Precipitation Amount per Month

62 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

10 hrs

Average Wind Speed

13 km/h

Average Humidity

71%

At such water and air temperatures, swimming feels icy and can be a shock to the body. If you go in at all, keep it extremely short and warm up immediately afterward.