Swim in Cornwall in march 2025What is the temperature of the sea in in march?
Average sea temperature in Cornwall in march 2025.
In march, according to seasonal norms, the sea temperature in Cornwall is:
Minimum: 48°F
Average: 50°F
Maximum: 52°F
Other useful seasonal weather averages in march:
- Outside temperature: 46°F to 50°F
- Most common weather: "Clear/Sunny"
- The wind blows at 2.5mph
- It rains a total of 3.6in, over 6 day(s).
Should we swim in Cornwall in march?
No... The water temperature in Cornwall in march is freezing
You won't be able to swim in Cornwall in march! The water temperature is freezing, reaching as low as 48°F (and only 52°F at best)! Our advice: if you are going to Cornwall this month, plan to sightsee and forget the beach!
Note also that in march, the climate is bad with an average outside temperature of 48°F, 3.6in of precipitation (over 6 days) and 84.9 % humidity.
Water and normal seasonal temperatures in Cornwall in march
| March | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 48°F | ||
| Maximum sea temperature | 52°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 50°F | ||
| Minimum outside temperature | 47°F | ||
| Wind speed | 19.3mph | ||
| Wind temperature | 40°F | ||
| Precipitation | 3.6in | ||
| Number of days of rain | 6 jour(s) (18%) | ||
| Humidity | 85% | ||
| Visibility in kilometers | 9.23km | ||
| Cloud cover | 51% | ||
| Our opinion | freezing swimming |
Swim elsewhere in England in march
| City | Average T° | Min. T° | Max. T° | Our opinion | London in march | 47°F | 50°F | freezing swimming | Brighton in march | 47°F | 50°F | freezing swimming | Bristol in march | 47°F | 49°F | freezing swimming | Exmouth in march | 49°F | 51°F | freezing swimming | Isle of Wight in march | 48°F | 51°F | freezing swimming | Jersey in march | 48°F | 51°F | freezing swimming | Liverpool in march | 46°F | 48°F | freezing swimming | Plymouth in march | 50°F | 51°F | freezing swimming | Skegness in march | 45°F | 47°F | freezing swimming | Torquay in march | 50°F | 51°F | freezing swimming | Dover in march | 46°F | 50°F | freezing swimming | Guernsey in march | 49°F | 52°F | freezing swimming | Hull (Kingston-upon-Hull) in march | 45°F | 47°F | freezing swimming | Isles of Scilly in march | 50°F | 53°F | freezing swimming | Margate in march | 46°F | 49°F | freezing swimming | Falmouth in march | 50°F | 52°F | freezing swimming | Folkestone in march | 46°F | 49°F | freezing swimming | Hunstanton in march | 44°F | 47°F | freezing swimming | Lowestoft in march | 45°F | 48°F | freezing swimming | Newcastle in march | 45°F | 46°F | freezing swimming |