Sea Temperature in Unalaska in January

Complete information on the sea temperature range in the Pacific Ocean in Unalaska in January. Historical daily data. Climate details for January. Tips on swimming conditions and beach relaxation in Unalaska. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Unalaska in January

37°F

MINIMUN

39°F

AVERAGE

41°F

MAXIMUM

Historical Data of Water Temperature in January in Unalaska

Water Temperature Chart for Pacific Ocean in Unalaska in January

Sea Temperature Table in Unalaska in January Over the Past Years

Day	2024	2023	2022	Average
Jan 1	39°C	39°C	37°C	39°C
Jan 2	39°C	39°C	41°C	40°C
Jan 3	39°C	41°C	37°C	39°C
Jan 4	39°C	41°C	39°C	40°C
Jan 5	39°C	37°C	39°C	39°C
Jan 6	39°C	41°C	37°C	40°C
Jan 7	39°C	41°C	41°C	41°C
Jan 8	39°C	41°C	41°C	41°C
Jan 9	39°C	41°C	39°C	40°C
Jan 10	39°C	41°C	37°C	40°C
Jan 11	39°C	41°C	39°C	40°C
Jan 12	39°C	41°C	37°C	40°C
Jan 13	39°C	41°C	39°C	40°C
Jan 14	39°C	41°C	41°C	41°C
Jan 15	39°C	39°C	41°C	40°C
Jan 16	39°C	39°C	37°C	39°C
Jan 17	39°C	39°C	37°C	39°C
Jan 18	39°C	39°C	37°C	39°C
Jan 19	39°C	41°C	39°C	40°C
Jan 20	39°C	41°C	39°C	40°C
Jan 21	39°C	41°C	41°C	40°C
Jan 22	39°C	41°C	39°C	40°C
Jan 23	39°C	41°C	37°C	39°C
Jan 24	37°C	39°C	39°C	39°C
Jan 25	39°C	39°C	41°C	40°C
Jan 26	39°C	39°C	37°C	39°C
Jan 27	41°C	39°C	41°C	40°C
Jan 28	37°C	39°C	39°C	39°C
Jan 29	41°C	39°C	39°C	40°C
Jan 30	39°C	39°C	37°C	39°C

Unalaska Climate and Swimming Opportunities in January

28°F

Average Day Air Temperature

18°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

12 days

Number of Rainy Days

7 hrs

Daylight
per Day

3 hrs

Sunshine
per Day

9 mph

Average Wind Speed

79%

Average
humidity

Unalaska lies within the Alaska in United States. The average daytime temperature in Unalaska in January is 29°F (-2°C), while the nighttime average is 18°F (-8°C). There are typically 12 rainy days during the month, with a total precipitation of 2.7 inches (68 mm). The daylight duration in January in Unalaska is 7 hours, with an average of 3 hours of sunshine per day. The average wind speed in January is 9 mph (14 km/h), and the humidity level is around 79%.

The water temperature in Unalaska in January ranges from 37°F to 39°F (3°C to 4°C). At the beginning of the month, the average temperature is around 39°F (4°C), shifting to 39°F (4°C) by mid-January and reaching 39°F (4°C) in the last ten days. Overall, the average sea temperature in Unalaska for January is 39°F (4°C). Swimming in such conditions is extremely dangerous due to the risk of hypothermia and cold shock. Only experienced winter swimmers with proper preparation should attempt it.

Sea Temperature in January in Nearby Cities

Frequently Asked Questions About Water Temperatures in January in Unalaska

What is the sea temperature in Unalaska in January?

The water temperature in the Pacific Ocean in Unalaska in January ranges from 37°F to 39°F (3°C to 4°C).

Is it possible to swim in the Pacific Ocean in Unalaska in January?

The average sea temperature in Unalaska in January is 39°F (4°C), and the air temperature is 29°F (-2°C), so swimming in such conditions is extremely dangerous due to the risk of hypothermia and cold shock. Only experienced winter swimmers with proper preparation should attempt it.