Swim in Derry (Londonderry) in january 2025What is the temperature of the sea in in january?
Average sea temperature in Derry (Londonderry) in january 2025.
In january, according to seasonal norms, the sea temperature in Derry (Londonderry) is:
Minimum: 48°F
Average: 50°F
Maximum: 52°F
Other useful seasonal weather averages in january:
- Outside temperature: 38°F to 44°F
- Most common weather: "Cloudy"
- The wind blows at -0.6mph
- It rains a total of 2.4in, over 3 day(s).
Should we swim in Derry (Londonderry) in january?
No... The water temperature in Derry (Londonderry) in january is freezing
You won't be able to swim in Derry (Londonderry) in january! The water temperature is freezing, reaching as low as 48°F (and only 52°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 january, the climate is very bad with an average outside temperature of 41°F, 2.4in of precipitation (over 3 days) and 91.71 % humidity.
Water and normal seasonal temperatures in Derry (Londonderry) in january
| January | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 48°F | ||
| Maximum sea temperature | 52°F | ||
| Average outside temperature | 41°F | ||
| Maximum outside temperature | 45°F | ||
| Minimum outside temperature | 38°F | ||
| Wind speed | 15.5mph | ||
| Wind temperature | 31°F | ||
| Precipitation | 2.4in | ||
| Number of days of rain | 3 jour(s) (10%) | ||
| Humidity | 92% | ||
| Visibility in kilometers | 8.35km | ||
| Cloud cover | 68% | ||
| Our opinion | freezing swimming |
Swim elsewhere in Northern Ireland in january
| City | Average T° | Min. T° | Max. T° | Our opinion | Belfast in january | 48°F | 51°F | freezing swimming | Portrush in january | 49°F | 51°F | freezing swimming | Portstewart in january | 49°F | 51°F | freezing swimming |
Swim in Northern Ireland in january: sea temperature by city