Swimming in Belfast in november 2025: Average sea temperature in november and tide times in november 2025
Average sea temperature in Belfast in november 2025.
In november, according to seasonal norms, the sea temperature in Belfast is:
Minimum: 53°F
Average: 54°F
Maximum: 56°F
Other useful seasonal weather averages in november:
- Outside temperature: 44°F to 50°F
- Most common weather: "Cloudy"
- The wind blows at 2.5mph
- It rains a total of 4.8in, over 7 day(s).
Should we swim in Belfast in november?
No... The water temperature in Belfast in november is freezing
You won't be able to swim in Belfast in november! The water temperature is freezing, reaching as low as 53°F (and only 56°F at best)! Our advice: if you are going to Belfast this month, plan to sightsee and forget the beach!
Note also that in november, the climate is bad with an average outside temperature of 47°F, 4.8in of precipitation (over 7 days) and 89.41 % humidity.
Water and normal seasonal temperatures in Belfast in november
| November | |||
| Average sea temperature | 54°F | ||
| Minimum sea temperature | 53°F | ||
| Maximum sea temperature | 56°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 50°F | ||
| Minimum outside temperature | 45°F | ||
| Wind speed | 15.5mph | ||
| Wind temperature | 40°F | ||
| Precipitation | 4.8in | ||
| Number of days of rain | 7 jour(s) (25%) | ||
| Humidity | 90% | ||
| Visibility in kilometers | 8.77km | ||
| Cloud cover | 61% | ||
| Our opinion | freezing swimming |
Chart of the tides in november 2025
Tide times in november 2025 in Belfast
Swim elsewhere in Northern Ireland in november
| City | Average T° | Min. T° | Max. T° | Our opinion | Derry (Londonderry) in november | 54°F | 56°F | freezing swimming | Portrush in november | 55°F | 56°F | freezing swimming | Portstewart in november | 55°F | 56°F | freezing swimming |
Swim in Northern Ireland in november: sea temperature by city