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Sea Temperature in Ketchikan in December

Complete information on the sea temperature range in the Pacific Ocean in Ketchikan in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Ketchikan. 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 Ketchikan in December

4°C

MINIMUN

7°C

AVERAGE

10°C

MAXIMUM

Historical Data of Water Temperature in December in Ketchikan

Water Temperature Chart for Pacific Ocean in Ketchikan in December

Sea Temperature Table in Ketchikan in December Over the Past Years

Day202420232022Average
Dec 17°C8°C7°C7.5°C
Dec 27°C8°C7°C7.3°C
Dec 37°C7°C7°C7.3°C
Dec 47°C7°C7°C7.3°C
Dec 57°C7°C6°C6.8°C
Dec 67°C7°C6°C6.8°C
Dec 77°C8°C5°C6.8°C
Dec 87°C7°C8°C7.0°C
Dec 97°C7°C8°C7.3°C
Dec 107°C8°C7°C7.3°C
Dec 117°C7°C7°C7.0°C
Dec 127°C7°C7°C7.0°C
Dec 137°C7°C7°C6.8°C
Dec 148°C7°C6°C6.8°C
Dec 157°C8°C5°C6.5°C
Dec 167°C8°C6°C6.8°C
Dec 177°C8°C6°C6.8°C
Dec 187°C8°C6°C6.8°C
Dec 196°C8°C6°C6.5°C
Dec 206°C7°C6°C6.5°C
Dec 216°C7°C6°C6.5°C
Dec 226°C7°C6°C6.3°C
Dec 236°C8°C6°C6.8°C
Dec 246°C7°C6°C6.5°C
Dec 256°C7°C5°C6.0°C
Dec 266°C8°C5°C6.3°C
Dec 276°C8°C5°C6.3°C
Dec 287°C6°C5°C6.0°C
Dec 296°C7°C6°C6.3°C
Dec 307°C7°C6°C6.5°C
Alaska, United StatesAlaska, United StatesAlaska, United States

Ketchikan Climate and Swimming Opportunities in December

-1°C

Average Day Air Temperature

-4°C

Average Night Air Temperature

176 mm

Precipitation Amount per Month

14 days

Number of Rainy Days

6 hrs

Daylight
per Day

1 hrs

Sunshine
per Day

16 km/h

Average Wind Speed

82%

Average
humidity

Ketchikan lies within the Alaska in United States. The average daytime temperature in Ketchikan in December is 30°F (-1°C), while the nighttime average is 25°F (-4°C). There are typically 14 rainy days during the month, with a total precipitation of 6.9 inches (176 mm). The daylight duration in December in Ketchikan is 6 hours, with an average of 1 hours of sunshine per day. The average wind speed in December is 10 mph (16 km/h), and the humidity level is around 82%.

The water temperature in Ketchikan in December ranges from 43°F to 45°F (6°C to 7°C). At the beginning of the month, the average temperature is around 45°F (7°C), shifting to 45°F (7°C) by mid-December and reaching 43°F (6°C) in the last ten days. Overall, the average sea temperature in Ketchikan for December is 45°F (7°C). Very cold water with low air temperature creates extreme swimming conditions. Hypothermia can occur quickly, making it unsafe for most people.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Ketchikan

What is the sea temperature in Ketchikan in December?

The water temperature in the Pacific Ocean in Ketchikan in December ranges from 43°F to 45°F (6°C to 7°C).

Is it possible to swim in the Pacific Ocean in Ketchikan in December?

The average sea temperature in Ketchikan in December is 45°F (7°C), and the air temperature is 30°F (-1°C), so very cold water with low air temperature creates extreme swimming conditions. Hypothermia can occur quickly, making it unsafe for most people.