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Perenosa Bay, Afognak Island, Alaska Sea Temperature in July

Alaska, United States

June Perenosa Bay, Afognak Island, Alaska year-round → August

Average sea temperature for Perenosa Bay, Afognak Island, Alaska, United States across July, based on 10 years of daily readings.

Average

10.6° C

High

13.54° C

Low

8.23° C

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

July is the 3rd warmest of 12 months at Perenosa Bay, Afognak Island, Alaska. On average the water sits 3.0° than the year-round mean of 7.61° C.

Compared to June, July is 2.2° warmer than (8.41° C in June). By August the water is usually 11.76° C.

Perenosa Bay, Afognak Island, Alaska Day-by-Day Water Temperature in July

10-year low, average and high

7.0° C
8.9° C
10.8° C
12.6° C
14.5° C
1
5
10
15
20
25
31
Day-by-day low and high band with the 10-year daily average through July. Range Average

Each vertical bar above is one day of July. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Perenosa Bay, Afognak Island, Alaska.

A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.

July Water Temperature Table for Perenosa Bay, Afognak Island, Alaska

10-year daily averages

Day Average Low High
July 1 9.33° C 8.32° C 10.26° C
July 2 9.28° C 8.37° C 10.27° C
July 3 9.49° C 8.27° C 10.6° C
July 4 9.65° C 8.36° C 10.79° C
July 5 9.73° C 8.36° C 10.79° C
July 6 9.82° C 8.55° C 10.78° C
July 7 9.96° C 8.57° C 10.83° C
July 8 10.08° C 8.61° C 10.8° C
July 9 10.06° C 8.61° C 10.69° C
July 10 10.11° C 8.57° C 10.84° C
July 11 10.23° C 9.2° C 11.2° C
July 12 10.21° C 9.17° C 11.19° C
July 13 10.51° C 9.15° C 11.94° C
July 14 10.83° C 9.3° C 12.13° C
July 15 10.87° C 9.48° C 12.52° C
July 16 10.82° C 9.6° C 12.53° C
July 17 10.92° C 10.34° C 12.31° C
July 18 11.05° C 10.41° C 12.44° C
July 19 11.24° C 10.42° C 12.41° C
July 20 11.14° C 10.25° C 12.17° C
July 21 11.1° C 10.26° C 12.07° C
July 22 11.01° C 10.18° C 11.97° C
July 23 10.78° C 8.83° C 12.37° C
July 24 10.74° C 8.23° C 12.55° C
July 25 10.9° C 8.96° C 12.57° C
July 26 11.06° C 9.3° C 12.56° C
July 27 11.23° C 9.61° C 12.86° C
July 28 11.21° C 9.38° C 12.76° C
July 29 11.21° C 9.06° C 12.87° C
July 30 11.35° C 9.19° C 13.54° C
July 31 11.48° C 10° C 13.07° C

Where July Sits in the Year

July highlighted

1.5° C
5.1° C
8.8° C
12.4° C
16.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
5.74° C
5.3° C
4.76° C
4.93° C
6.24° C
8.41° C
10.6° C
11.76° C
10.95° C
8.93° C
7.3° C
6.39° C
10-year monthly history for Perenosa Bay, Afognak Island, Alaska. Bars span historical low to high; the line marks the monthly average. Range Average
January → February → March → April → May → June → July → August → September → October → November → December →

Nearby Locations in July

Compare other United States water for the same month

Perenosa Bay, Afognak Island, Alaska Location

58.3567, -152.4480

58.35670, -152.44800 View on OpenStreetMap →

Perenosa Bay, Afognak Island, Alaska sits at 58.3567°N, 152.4480°W, on the coast of Alaska, United States. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.

Coastlines bend, headlands focus the water, and the temperature can run noticeably differently between two beaches that look close together on a map. Comparing nearby locations is a quick way to see how local geography is shaping the readings.

Nearest locations to Perenosa Bay, Afognak Island, Alaska