Chukchi Sea Water Temperature Today & Regional Overview
We find every place where you can swim and show you the water temperature there today and throughout the year.
Current Water Temperature
The water temperature in the Chukchi Sea today ranges from 0.1°C (Kotzebue, United States) to 0.1°C (Kotzebue, United States).
As of today, the minimum water temperature in the Chukchi Sea ranges less than 41°F (5°C). Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Sea Temperature Trends
Over the past month, the water temperature in the Chukchi Sea has remained almost unchanged. In general, the sea water temperature remains within the statistical range for this time of year.
Water Temperature and Swimming Conditions Throughout the Year
| Month | Min | Max |
|---|---|---|
| January | -2°C | 1°C |
| February | -3°C | 1°C |
| March | -3°C | 1°C |
| April | -3°C | 1°C |
| May | -2°C | 1°C |
| June | -2°C | 7°C |
| July | 0°C | 17°C |
| August | 8°C | 16°C |
| September | 4°C | 12°C |
| October | -1°C | 8°C |
| November | -3°C | 2°C |
| December | -2°C | -1°C |
The Chukchi Sea, bordering Alaska and northeastern Siberia, is an Arctic body of water with surface temperatures that remain near freezing much of the year. Seasonal surface values typically range from about -2°C in the heart of winter up to roughly 8°C in the warmest coastal pockets of summer. More specifically, winter months commonly register around -2°C to 0°C under extensive ice cover; spring sees a slow rise toward -1°C to 2°C as ice melts; summer brings the highest variability, roughly 0°C to 8°C on average, with shallow, southern bays occasionally reaching close to 10°C; autumn cools back toward 0°C to 4°C as heat is lost and ice begins to reform. Local factors such as freshwater input, currents and the presence or absence of sea ice create substantial variation from one location to another.
Swimming Conditions
Swimming in the Chukchi Sea is generally not practical for casual bathers and is potentially dangerous rather than formally prohibited in most places. Cold-water immersion at temperatures commonly found here carries a high risk of cold shock and rapid onset of hypothermia, especially in water below about 10°C; even in the warmest summer pockets unprotected exposure is hazardous. Sea ice, fast-changing conditions, strong currents and remoteness further limit safe access. Experienced cold-water swimmers may enter the water with appropriate protective gear (wetsuits or dry suits) and safety support, but for most people the Chukchi Sea is unsuitable for recreational swimming. Local regulations, indigenous activities and environmental protections should also be respected when considering any shoreline or water access.