Sea Temperature in Cornwall in January

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

Day	2024	2023	2022	Average
Jan 1	3°C	1°C	2°C	1.8°C
Jan 2	3°C	1°C	2°C	2.0°C
Jan 3	3°C	2°C	2°C	2.0°C
Jan 4	3°C	2°C	2°C	2.0°C
Jan 5	2°C	2°C	2°C	1.8°C
Jan 6	2°C	2°C	1°C	1.5°C
Jan 7	3°C	2°C	1°C	1.8°C
Jan 8	3°C	1°C	1°C	1.5°C
Jan 9	3°C	1°C	1°C	1.5°C
Jan 10	3°C	-1°C	1°C	1.0°C
Jan 11	2°C	-1°C	0°C	0.5°C
Jan 12	2°C	-1°C	0°C	0.3°C
Jan 13	2°C	-1°C	0°C	0.5°C
Jan 14	2°C	-1°C	0°C	0.5°C
Jan 15	2°C	-1°C	0°C	0.5°C
Jan 16	1°C	-1°C	0°C	0.3°C
Jan 17	2°C	0°C	0°C	0.8°C
Jan 18	2°C	0°C	0°C	0.8°C
Jan 19	1°C	-1°C	0°C	0.3°C
Jan 20	1°C	-1°C	-1°C	-0.3°C
Jan 21	1°C	-1°C	-1°C	-0.3°C
Jan 22	0°C	-1°C	-1°C	-0.5°C
Jan 23	0°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 26	0°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.

Sea Temperature in January in Nearby Cities

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.