Swimming in Letterkenny in november 2025: Average sea temperature in november and tide times in november 2025
Average sea temperature in Letterkenny in november 2025.
In november, according to seasonal norms, the sea temperature in Letterkenny is:
Minimum: 53°F
Average: 55°F
Maximum: 56°F
Other useful seasonal weather averages in november:
- Outside temperature: 41°F to 49°F
- Most common weather: "Cloudy"
- The wind blows at 1.9mph
- It rains a total of 3.2in, over 6 day(s).
Should we swim in Letterkenny in november?
No... The water temperature in Letterkenny in november is freezing
You won't be able to swim in Letterkenny 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 Letterkenny this month, plan to sightsee and forget the beach!
Note also that in november, the climate is very bad with an average outside temperature of 45°F, 3.2in of precipitation (over 6 days) and 92.14 % humidity.
Water and normal seasonal temperatures in Letterkenny in november
| November | |||
| Average sea temperature | 55°F | ||
| Minimum sea temperature | 53°F | ||
| Maximum sea temperature | 56°F | ||
| Average outside temperature | 45°F | ||
| Maximum outside temperature | 50°F | ||
| Minimum outside temperature | 41°F | ||
| Wind speed | 12.4mph | ||
| Wind temperature | 38°F | ||
| Precipitation | 3.2in | ||
| Number of days of rain | 6 jour(s) (20%) | ||
| Humidity | 93% | ||
| Visibility in kilometers | 8.13km | ||
| Cloud cover | 67% | ||
| Our opinion | freezing swimming |
Chart of the tides in november 2025
Tide times in november 2025 in Letterkenny
Swim elsewhere in Ireland in november
| City | Average T° | Min. T° | Max. T° | Our opinion | Dublin in november | 56°F | 58°F | freezing swimming | Cork in november | 55°F | 57°F | freezing swimming | Galway in november | 55°F | 56°F | freezing swimming | Belmullet in november | 55°F | 56°F | freezing swimming | Connemara National Park in november | 54°F | 56°F | freezing swimming | Dingle in november | 55°F | 57°F | freezing swimming | Dundalk in november | 56°F | 57°F | freezing swimming | Dungloe in november | 54°F | 56°F | freezing swimming | Killybegs in november | 54°F | 56°F | freezing swimming | Achill Island in november | 54°F | 57°F | freezing swimming | Cliffs of Moher in november | 55°F | 57°F | freezing swimming | Donegal in november | 54°F | 56°F | freezing swimming | Waterford in november | 56°F | 57°F | freezing swimming | Wexford in november | 56°F | 58°F | freezing swimming | Sligo in november | 54°F | 56°F | freezing swimming | Westport in november | 55°F | 56°F | freezing swimming |