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Sea Temperature in Cornwall in March
© Igor Pivovar
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
27°F
MINIMUN
30°F
AVERAGE
34°F
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 | 30°C | 28°C | 28°C | 29°C |
| Mar 2 | 28°C | 28°C | 28°C | 28°C |
| Mar 3 | 28°C | 28°C | 28°C | 28°C |
| Mar 4 | 28°C | 30°C | 32°C | 30°C |
| Mar 5 | 28°C | 30°C | 28°C | 29°C |
| Mar 6 | 28°C | 28°C | 32°C | 30°C |
| Mar 7 | 28°C | 28°C | 28°C | 29°C |
| Mar 8 | 28°C | 28°C | 28°C | 29°C |
| Mar 9 | 28°C | 30°C | 32°C | 30°C |
| Mar 10 | 28°C | 30°C | 28°C | 29°C |
| Mar 11 | 28°C | 30°C | 28°C | 29°C |
| Mar 12 | 30°C | 28°C | 32°C | 30°C |
| Mar 13 | 30°C | 30°C | 28°C | 30°C |
| Mar 14 | 30°C | 30°C | 30°C | 30°C |
| Mar 15 | 30°C | 28°C | 28°C | 29°C |
| Mar 16 | 30°C | 28°C | 30°C | 30°C |
| Mar 17 | 30°C | 28°C | 32°C | 30°C |
| Mar 18 | 30°C | 28°C | 30°C | 29°C |
| Mar 19 | 30°C | 30°C | 28°C | 30°C |
| Mar 20 | 30°C | 28°C | 28°C | 29°C |
| Mar 21 | 30°C | 30°C | 28°C | 30°C |
| Mar 22 | 30°C | 30°C | 32°C | 31°C |
| Mar 23 | 30°C | 28°C | 28°C | 30°C |
| Mar 24 | 30°C | 28°C | 28°C | 29°C |
| Mar 25 | 30°C | 28°C | 32°C | 30°C |
| Mar 26 | 30°C | 28°C | 30°C | 30°C |
| Mar 27 | 30°C | 28°C | 30°C | 30°C |
| Mar 28 | 30°C | 28°C | 28°C | 30°C |
| Mar 29 | 30°C | 30°C | 30°C | 31°C |
| Mar 30 | 30°C | 30°C | 32°C | 31°C |
Cornwall Climate and Swimming Opportunities in March
50°F
Average Day Air Temperature
37°F
Average Night Air Temperature
3 in
Precipitation Amount per Month
16 days
Number of Rainy Days
12 hrs
Daylight
per Day
3 hrs
Sunshine
per Day
13 mph
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.