Swim in Derry (Londonderry) in december 2024What is the temperature of the sea in in december?
Average sea temperature in Derry (Londonderry) in december 2024.
In december, according to seasonal norms, the sea temperature in Derry (Londonderry) is:
Minimum: 50°F
Average: 52°F
Maximum: 54°F
Other useful seasonal weather averages in december:
- Outside temperature: 39°F to 45°F
- Most common weather: "Cloudy"
- The wind blows at -0mph
- It rains a total of 2.2in, over 3 day(s).
Should we swim in Derry (Londonderry) in december?
No... The water temperature in Derry (Londonderry) in december is freezing
You won't be able to swim in Derry (Londonderry) in december! The water temperature is freezing, reaching as low as 50°F (and only 54°F at best)! Our advice: if you are going to Derry (Londonderry) this month, plan to sightsee and forget the beach!
Note also that in december, the climate is very bad with an average outside temperature of 42°F, 2.2in of precipitation (over 3 days) and 91.33 % humidity.
Water and normal seasonal temperatures in Derry (Londonderry) in december
| December | |||
| Average sea temperature | 52°F | ||
| Minimum sea temperature | 50°F | ||
| Maximum sea temperature | 54°F | ||
| Average outside temperature | 43°F | ||
| Maximum outside temperature | 45°F | ||
| Minimum outside temperature | 40°F | ||
| Wind speed | 14.9mph | ||
| Wind temperature | 32°F | ||
| Precipitation | 2.2in | ||
| Number of days of rain | 3 jour(s) (9%) | ||
| Humidity | 92% | ||
| Visibility in kilometers | 8.55km | ||
| Cloud cover | 66% | ||
| Our opinion | freezing swimming |
Swim elsewhere in Northern Ireland in december
| City | Average T° | Min. T° | Max. T° | Our opinion | Belfast in december | 51°F | 54°F | freezing swimming | Portrush in december | 52°F | 53°F | freezing swimming | Portstewart in december | 51°F | 54°F | freezing swimming |
Swim in Northern Ireland in december: sea temperature by city