Water temperature in Fairbanks (AK) in December

Is it warm enough to swim in Fairbanks in December? Average water temperature in Fairbanks in December is 37.4°F and therefore is not suitable for comfortable swimming. The warmest water in Fairbanks in December is 37.4°F, and the coldest is 37.4°F. Average high air temperature in Fairbanks in December is 5°F, and average low temperature is -13°F. To find out the water temperature today and in the coming days, go to Current water temperature in Fairbanks

Changes water temperature in Fairbanks in December 2025, 2024

To get an accurate forecast for the water temperature in Fairbanks for any chosen month, compare two years within a 10 year range using the chart below.

Average water temperature in Fairbanks in December over a decade

This data display average monthly climate indicators in Fairbanks in December 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

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

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Our report for Fairbanks 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.