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

27°F

MINIMUN

32°F

AVERAGE

37°F

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	37°C	34°C	36°C	35°C
Jan 2	37°C	34°C	36°C	36°C
Jan 3	37°C	36°C	36°C	36°C
Jan 4	37°C	36°C	36°C	36°C
Jan 5	36°C	36°C	36°C	35°C
Jan 6	36°C	36°C	34°C	35°C
Jan 7	37°C	36°C	34°C	35°C
Jan 8	37°C	34°C	34°C	35°C
Jan 9	37°C	34°C	34°C	35°C
Jan 10	37°C	30°C	34°C	34°C
Jan 11	36°C	30°C	32°C	33°C
Jan 12	36°C	30°C	32°C	33°C
Jan 13	36°C	30°C	32°C	33°C
Jan 14	36°C	30°C	32°C	33°C
Jan 15	36°C	30°C	32°C	33°C
Jan 16	34°C	30°C	32°C	33°C
Jan 17	36°C	32°C	32°C	33°C
Jan 18	36°C	32°C	32°C	33°C
Jan 19	34°C	30°C	32°C	33°C
Jan 20	34°C	30°C	30°C	31°C
Jan 21	34°C	30°C	30°C	31°C
Jan 22	32°C	30°C	30°C	31°C
Jan 23	32°C	30°C	30°C	31°C
Jan 24	30°C	30°C	30°C	31°C
Jan 25	30°C	30°C	28°C	30°C
Jan 26	32°C	30°C	28°C	31°C
Jan 27	30°C	28°C	28°C	30°C
Jan 28	30°C	28°C	28°C	30°C
Jan 29	30°C	28°C	28°C	30°C
Jan 30	30°C	28°C	27°C	29°C

Cornwall Climate and Swimming Opportunities in January

46°F

Average Day Air Temperature

37°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

19 days

Number of Rainy Days

8 hrs

Daylight
per Day

2 hrs

Sunshine
per Day

15 mph

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.