Sitka — Water Temperature in July

Water Temperature Range

8°C

minimum

12°C

average

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

July: Climate and Swimming Opportunities

Average Night Air Temperature

9°C

Average Day Air Temperature

17°C

Precipitation Amount per Month

130 mm

Number of Rainy Days

Daylight per Day

17 hrs

Sunshine per Day

6 hrs

Average Wind Speed

10 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.