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Sea Temperature in Cornwall in January

Cornwall

© Rob Rusaw

Complete information on the sea temperature range in the Atlantic Ocean in Cornwall in January. Historical daily data. Climate details for January. Tips on swimming conditions and beach relaxation in Cornwall. 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 Cornwall in January

-3°C

MINIMUN

0°C

AVERAGE

3°C

MAXIMUM

Historical Data of Water Temperature in January in Cornwall

Water Temperature Chart for Atlantic Ocean in Cornwall in January

Sea Temperature Table in Cornwall in January Over the Past Years

Day202420232022Average
Jan 13°C1°C2°C1.8°C
Jan 23°C1°C2°C2.0°C
Jan 33°C2°C2°C2.0°C
Jan 43°C2°C2°C2.0°C
Jan 52°C2°C2°C1.8°C
Jan 62°C2°C1°C1.5°C
Jan 73°C2°C1°C1.8°C
Jan 83°C1°C1°C1.5°C
Jan 93°C1°C1°C1.5°C
Jan 103°C-1°C1°C1.0°C
Jan 112°C-1°C0°C0.5°C
Jan 122°C-1°C0°C0.3°C
Jan 132°C-1°C0°C0.5°C
Jan 142°C-1°C0°C0.5°C
Jan 152°C-1°C0°C0.5°C
Jan 161°C-1°C0°C0.3°C
Jan 172°C0°C0°C0.8°C
Jan 182°C0°C0°C0.8°C
Jan 191°C-1°C0°C0.3°C
Jan 201°C-1°C-1°C-0.3°C
Jan 211°C-1°C-1°C-0.3°C
Jan 220°C-1°C-1°C-0.5°C
Jan 230°C-1°C-1°C-0.5°C
Jan 24-1°C-1°C-1°C-0.8°C
Jan 25-1°C-1°C-2°C-1.0°C
Jan 260°C-1°C-2°C-0.8°C
Jan 27-1°C-2°C-2°C-1.3°C
Jan 28-1°C-2°C-2°C-1.3°C
Jan 29-1°C-2°C-2°C-1.3°C
Jan 30-1°C-2°C-3°C-1.5°C

Cornwall Climate and Swimming Opportunities in January

8°C

Average Day Air Temperature

3°C

Average Night Air Temperature

85 mm

Precipitation Amount per Month

19 days

Number of Rainy Days

8 hrs

Daylight
per Day

2 hrs

Sunshine
per Day

24 km/h

Average Wind Speed

91%

Average
humidity

Cornwall lies within the Prince Edward Island in Canada. The average daytime temperature in Cornwall in January is 8°C (46°F), while the nighttime average is 3°C (37°F). There are typically 19 rainy days during the month, with a total precipitation of 85 mm (3.4 inches). The daylight duration in January in Cornwall is 8 hours, with an average of 2 hours of sunshine per day. The average wind speed in January is 24 km/h (15 mph), and the humidity level is around 91%.

The water temperature in Cornwall in January ranges from -2°C to 2°C (28°F to 36°F). At the beginning of the month, the average temperature is around 2°C (36°F), shifting to 1°C (34°F) by mid-January and reaching -1°C (30°F) in the last ten days. Overall, the average sea temperature in Cornwall for January is 0°C (32°F). The water is freezing, and the air is still very cold. Even a brief dip can be risky. A wetsuit is highly recommended.

Frequently Asked Questions About Water Temperatures in January in Cornwall

What is the sea temperature in Cornwall in January?

The water temperature in the Atlantic Ocean in Cornwall in January ranges from -2°C to 2°C (28°F to 36°F).

Is it possible to swim in the Atlantic Ocean in Cornwall in January?

The average sea temperature in Cornwall in January is 0°C (32°F), and the air temperature is 8°C (46°F), so the water is freezing, and the air is still very cold. Even a brief dip can be risky. A wetsuit is highly recommended.