Sea Temperature in Cornwall in March

Complete information on the sea temperature range in the Atlantic Ocean in Cornwall in March. Historical daily data. Climate details for March. 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 March

-3°C

MINIMUN

-1°C

AVERAGE

1°C

MAXIMUM

Historical Data of Water Temperature in March in Cornwall

Water Temperature Chart for Atlantic Ocean in Cornwall in March

Sea Temperature Table in Cornwall in March Over the Past Years

Day	2024	2023	2022	Average
Mar 1	-1°C	-2°C	-2°C	-1.8°C
Mar 2	-2°C	-2°C	-2°C	-2.0°C
Mar 3	-2°C	-2°C	-2°C	-2.0°C
Mar 4	-2°C	-1°C	0°C	-1.3°C
Mar 5	-2°C	-1°C	-2°C	-1.5°C
Mar 6	-2°C	-2°C	0°C	-1.3°C
Mar 7	-2°C	-2°C	-2°C	-1.8°C
Mar 8	-2°C	-2°C	-2°C	-1.8°C
Mar 9	-2°C	-1°C	0°C	-1.0°C
Mar 10	-2°C	-1°C	-2°C	-1.8°C
Mar 11	-2°C	-1°C	-2°C	-1.8°C
Mar 12	-1°C	-2°C	0°C	-1.3°C
Mar 13	-1°C	-1°C	-2°C	-1.3°C
Mar 14	-1°C	-1°C	-1°C	-1.0°C
Mar 15	-1°C	-2°C	-2°C	-1.8°C
Mar 16	-1°C	-2°C	-1°C	-1.3°C
Mar 17	-1°C	-2°C	0°C	-1.3°C
Mar 18	-1°C	-2°C	-1°C	-1.5°C
Mar 19	-1°C	-1°C	-2°C	-1.3°C
Mar 20	-1°C	-2°C	-2°C	-1.5°C
Mar 21	-1°C	-1°C	-2°C	-1.3°C
Mar 22	-1°C	-1°C	0°C	-0.5°C
Mar 23	-1°C	-2°C	-2°C	-1.3°C
Mar 24	-1°C	-2°C	-2°C	-1.5°C
Mar 25	-1°C	-2°C	0°C	-1.0°C
Mar 26	-1°C	-2°C	-1°C	-1.3°C
Mar 27	-1°C	-2°C	-1°C	-1.3°C
Mar 28	-1°C	-2°C	-2°C	-1.3°C
Mar 29	-1°C	-1°C	-1°C	-0.8°C
Mar 30	-1°C	-1°C	0°C	-0.5°C

Cornwall Climate and Swimming Opportunities in March

10°C

Average Day Air Temperature

3°C

Average Night Air Temperature

72 mm

Precipitation Amount per Month

16 days

Number of Rainy Days

12 hrs

Daylight
per Day

3 hrs

Sunshine
per Day

22 km/h

Average Wind Speed

86%

Average
humidity

Cornwall lies within the Prince Edward Island in Canada. The average daytime temperature in Cornwall in March is 10°C (49°F), while the nighttime average is 3°C (38°F). There are typically 16 rainy days during the month, with a total precipitation of 72 mm (2.8 inches). The daylight duration in March in Cornwall is 12 hours, with an average of 3 hours of sunshine per day. The average wind speed in March is 22 km/h (14 mph), and the humidity level is around 86%.

The water temperature in Cornwall in March ranges from -3°C to -1°C (27°F to 30°F). At the beginning of the month, the average temperature is around -2°C (28°F), shifting to -1°C (30°F) by mid-March and reaching -1°C (30°F) in the last ten days. Overall, the average sea temperature in Cornwall for March is -1°C (30°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 March in Nearby Cities

Frequently Asked Questions About Water Temperatures in March in Cornwall

What is the sea temperature in Cornwall in March?

The water temperature in the Atlantic Ocean in Cornwall in March ranges from -3°C to -1°C (27°F to 30°F).

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

The average sea temperature in Cornwall in March is -1°C (30°F), and the air temperature is 10°C (49°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.