Ferryu lists 2 ferry routes from Cairnryan.
Ferries leave Cairnryan for Belfast and Larne, with P&O Ferries and Stena Line.
Pick a route to see the operators I list on it and where to book with them.
Ferries from Cairnryan
Crossings from and to Cairnryan
Weather in Cairnryan
- Warmest month: August, average high 16°C.
- Wettest month: October, about 138 mm of rain.
- Sea at its warmest in August, about 16°C.
Temperature
- Air, average daily low to high (1991–2020)
- Sea surface, monthly average (2023–2024)
Rain
Average total for the month, mm (1991–2020)
Temperature
- Air, average daily low to high (1991–2020)
- Sea surface, monthly average (2023–2024)
Rain
Average total for the month, mm (1991–2020)
Show the numbers
| Month | High °C | Low °C | Rain mm | Sea °C |
|---|---|---|---|---|
| January | 7.9 | 5.3 | 120.0 | 8.4 |
| February | 7.6 | 5.0 | 97.8 | 8.5 |
| March | 8.2 | 5.5 | 87.8 | 8.4 |
| April | 9.6 | 6.8 | 70.5 | 9.7 |
| May | 11.9 | 8.8 | 68.3 | 12.4 |
| June | 13.8 | 11.2 | 76.2 | 14.2 |
| July | 15.4 | 12.9 | 87.0 | 15.1 |
| August | 15.8 | 13.3 | 96.5 | 16.0 |
| September | 14.9 | 12.3 | 95.8 | 15.6 |
| October | 12.8 | 10.2 | 137.5 | 13.8 |
| November | 10.3 | 7.8 | 135.8 | 11.9 |
| December | 8.6 | 5.9 | 135.0 | 9.9 |
1991–2020 averages, ERA5 via Open-Meteo, read at the grid point nearest the port (4 km away). Sea surface: 2023–2024 averages from the Open-Meteo Marine Weather API, which has no sea temperatures before late 2022.