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Water temperature in Anchorage (AK) in January

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Is it warm enough to swim in Anchorage in January? Average water temperature in Anchorage in January is 36.1°F and therefore is not suitable for comfortable swimming. The warmest sea in Anchorage in January is 38.5°F, and the coldest is 31.1°F. Average high air temperature in Anchorage in January is 23°F, and average low temperature is 11°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Anchorage

Changes water temperature in Anchorage in January 2025, 2024

To get an accurate forecast for the water temperature in Anchorage for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Anchorage, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of January.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
January 134.7°F35.4°F34.7°F38.5°F
January 234.5°F35.6°F34.5°F38.5°F
January 334.7°F35.6°F34.7°F38.5°F
January 434.2°F35.8°F34.2°F38.1°F
January 534.3°F36°F34.3°F38.3°F
January 634.5°F35.4°F34.5°F38.3°F
January 734.9°F35.6°F34.9°F38.3°F
January 834.9°F35.6°F34.9°F38.1°F
January 935.1°F35.8°F35.1°F38.1°F
January 1035.2°F34°F34°F38.1°F
January 1135.4°F34.3°F34.3°F37.9°F
January 1235.6°F34.5°F34.5°F37.8°F
January 1335.6°F34.9°F34.7°F37.6°F
January 1435.8°F34.9°F34.7°F37.6°F
January 1535.8°F35.1°F34.2°F37.9°F
Day 2025 2024 Min Max
January 1635.6°F35.1°F32.5°F37.8°F
January 1735.8°F35.2°F33.1°F37.6°F
January 1835.8°F35.4°F33.3°F37.6°F
January 1936°F35.2°F33.4°F37.6°F
January 2036°F35.2°F33.6°F37.6°F
January 2136°F35.4°F32.5°F37.4°F
January 2236°F35.4°F33.1°F37.4°F
January 2336°F35.6°F33.3°F37.4°F
January 2436°F35.6°F33.6°F37°F
January 2536°F35.6°F33.4°F37°F
January 2636°F35.6°F33.1°F37.2°F
January 2732.4°F35.6°F32.4°F37.2°F
January 2831.6°F35.6°F31.6°F37.2°F
January 2932°F35.6°F32°F37.4°F
January 3032.5°F35.8°F31.6°F37.2°F
January 3132.9°F35.8°F31.1°F37°F
Anchorage water temp chart in January

Average water temperature in Anchorage in January over a decade

20162017201820192020
36.9°F37.8°F37°F36.7°F36°F
20212022202320242025
36.3°F36.9°F36.7°F35.4°F34.9°F

Anchorage sea state in January

Chart comparing the height of waves in Anchorage in January over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Anchorage in January

Weather and climate in Anchorage in January

This data display average monthly climate indicators in Anchorage in January based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature23°F
  • Average LOW temperature11°F
  • Average humidity
    73
  • Average rainfall days8 days
  • Average rainfall20mm/0.8''
  • Average daylight7h
  • Average sunshine2.7h
  • Average snowfall391mm/15.4''

Anchorage water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in January?

Want to know where the water temperature in January is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in January. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Whittier39.4°F36.7°F42.3°F
Kenai35.1°F32.2°F37.8°F
Seward40.6°F37.8°F44.6°F
Cook Inlet35.8°F30.7°F39.4°F
Prince William Sound41°F38.1°F43.9°F
Anchor Point39.7°F34.7°F43.9°F
Homer40.1°F35.6°F43.3°F
Valdez40.6°F37.9°F44.2°F
Cordova40.8°F38.3°F43.7°F
Kodiak39.9°F35.2°F42.4°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Anchorage is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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