Anchorage Water Temperature

Anchorage is a city close to Cook Inlet. August is the month with the highest water temperature at 56.5°F / 13.6°C.
The coldest month is March with an average water temperature of 32°F / 0°C.
March is the driest at 0in / 0mm and August the wettest month with 4.5in / 115.2mm.
With an average air temperature of 57.7°F / 14.3°C, July is the warmest month in a year. January is the coldest with 16.5°F / -8.6°C average air temperature.
The Climate is described as mediterranean-influenced subarctic climate. Best time to Visit would be in June, July, August, September.

Anchorage Summary

Description Value
Current water temperature / -1 °C
Warmest Month Water Temperature: August with 56.5°F / 13.6°C
Coldest Month Water Temperature: March with 32°F / 0°C
Warmest Month Air Temperature: July with 57.7°F / 14.3°C
Coldest Month Air Temperature: January with 16.5°F / -8.6°C
Wettest Month: August with 4.5in / 115.2mm
Driest Month: March with 0in / 0mm
Highest Humidity October with 81.9%
Lowest Humidity June with 74.4%
Best Time to Visit: June, July, August, September
Climate Classification mediterranean-influenced subarctic climate

Anchorage water temperature by month

Cook Inlet water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

34.2 33.8 33.4

February

34 33.1 32.2

March

32.4 32.2 31.8

April

34.9 33.1 32

May

43.2 38.5 34.9

June

51.6 47.3 43.2

July

56.5 54.5 52

August

57.4 56.3 55.4

September

55.9 53.8 50.2

October

49.8 46 42.4

November

42.1 39.2 36.9

December

36.9 35.1 34

Cook Inlet water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

1.2 1 0.8

February

1.1 0.6 0.1

March

0.2 0.1 -0.1

April

1.6 0.6 0

May

6.2 3.6 1.6

June

10.9 8.5 6.2

July

13.6 12.5 11.1

August

14.1 13.5 13

September

13.3 12.1 10.1

October

9.9 7.8 5.8

November

5.6 4 2.7

December

2.7 1.7 1.1
The highest water temperature will be reached in August with around 56.5°F / 13.6°C. The lowest in March with an average water temperature of 32°F / 0°C.

Anchorage weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Mar. 05
Overcast clouds
24 °F
11°F
-5 °C
-11°C
1mph (1km/h)
south-southeast
0in (0mm)
0 %
89%
Mar. 06
Light snow
22 °F
8°F
-6 °C
-13°C
1mph (1km/h)
west-southwest
0in (1mm)
75 %
94%
Mar. 07
Scattered clouds
18 °F
4°F
-8 °C
-16°C
1mph (1km/h)
south-southeast
0in (0mm)
0 %
89%
Mar. 08
Light snow
26 °F
6°F
-3 °C
-15°C
1mph (1km/h)
south-southeast
0in (1mm)
75 %
80%
Mar. 09
Heavy snow
26 °F
18°F
-3 °C
-8°C
1mph (2km/h)
west-southwest
0in (11mm)
95 %
94%
Mar. 10
Light snow
17 °F
6°F
-8 °C
-14°C
1mph (1km/h)
south-southwest
0in (3mm)
85 %
89%
Mar. 11
Light snow
16 °F
3°F
-9 °C
-16°C
2mph (3km/h)
east-southeast
0in (0mm)
55 %
88%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Mar. 12
Snow
10 °F
4°F
-13 °C
-15°C
2mph (3km/h)
south-southwest
0in (8mm)
95 %
95%
Mar. 13
Light snow
19 °F
-2°F
-7 °C
-19°C
1mph (1km/h)
southwest
0in (2mm)
85 %
94%
Mar. 14
Overcast clouds
23 °F
-1°F
-5 °C
-19°C
2mph (3km/h)
southwest
0in (0mm)
0 %
92%
Mar. 15
Light snow
16 °F
12°F
-9 °C
-11°C
1mph (1km/h)
south
0in (4mm)
90 %
97%
Mar. 16
Overcast clouds
5 °F
13°F
-15 °C
-10°C
1mph (1km/h)
northeast
0in (0mm)
0 %
82%
Mar. 17
Few clouds
19 °F
14°F
-7 °C
-10°C
1mph (2km/h)
northeast
0in (0mm)
0 %
82%
Mar. 18
Light snow
23 °F
-3°F
-5 °C
-19°C
1mph (2km/h)
northwest
0in (3mm)
90 %
95%
Mar. 19
Light snow
12 °F
-2°F
-11 °C
-19°C
1mph (1km/h)
south
0in (0mm)
20 %
94%
Mar. 20
Overcast clouds
15 °F
4°F
-9 °C
-16°C
0mph (1km/h)
east-northeast
0in (0mm)
20 %
92%

Anchorage weather by month / climate table

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

24.8 16.5 9.3 2.4 2 81.8%

February

28.6 20.1 9.7 1.6 4 80.8%

March

34.2 23.7 15.4 0 0 76.6%

April

44.8 32.9 22.1 0.3 2 76.2%

May

56.5 43 31.6 0.3 0 74.4%

June

63 53.4 42.3 1.4 3 74.4%

July

64.8 57.7 51.1 3.2 9 78.1%

August

64.2 56.3 48 4.5 11 80.3%

September

57.9 48.4 38.5 3.2 16 80.4%

October

46.8 36.3 25.9 2.3 0 81.9%

November

32.7 23.5 15.1 1.4 4 78.9%

December

27.1 18.5 9.7 3.4 10 81.7%

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

-4 -8.6 -12.6 61.6 2 81.8%

February

-1.9 -6.6 -12.4 40.2 4 80.8%

March

1.2 -4.6 -9.2 0 0 76.6%

April

7.1 0.5 -5.5 7 2 76.2%

May

13.6 6.1 -0.2 8.7 0 74.4%

June

17.2 11.9 5.7 35.3 3 74.4%

July

18.2 14.3 10.6 80.5 9 78.1%

August

17.9 13.5 8.9 115.2 11 80.3%

September

14.4 9.1 3.6 80.3 16 80.4%

October

8.2 2.4 -3.4 58.6 0 81.9%

November

0.4 -4.7 -9.4 36.4 4 78.9%

December

-2.7 -7.5 -12.4 86.9 10 81.7%
The hottest avg. temperature is around 57.7°F / 14.3°C, July is the month with the highest temperature. January is the coolest with 16.5°F / -8.6°C average temperature. March is the month with the lowest precipitation of 0in / 0mm and August with the maximum precipitation in a year with 4.5in / 115.2mm.

Activities & POI in Anchorage

Type of Activity List
Attraction Alaska Railroad No. 556 - Steam Locomotive, Potter Historic Site, Ceremonial Start of Iditarod Trail Sled Dog Race, Captain Cook Monument
Caravan Site Hidden Lake Campground, Ship Creek RV Park, Midtown RV/Camper Park
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