Northern Ireland, UK
Belfast cruise weather by month
What to expect when your ship is in Belfast in any month: temperatures, how often it rains, wind, sea temperature and wave heights.
- 66°Fwarmest average high (August)
- 45°Fcoolest average high (January)
- 33%fewest rain days (January)
- 61%most rain days (July)
Weather in Belfast right now
Weather in Belfast by month
Average highs run from 45°F (7°C) in January to 66°F (19°C) in August. Rain falls on the fewest days in January and the most in July. Sea temperature and wave heights are for the water just off the port.
| Month | High / low | Rain days | Wind | Sea temp | Typical seas |
|---|---|---|---|---|---|
| January | 45 / 37°F7 / 3°C | 33% | 14 mph23 km/h | 49°F9°C | 2 ft (0.7 m)Slight; rougher days up to 4 ft |
| February | 48 / 39°F9 / 4°C | 46% | 16 mph26 km/h | 48°F9°C | 2 ft (0.7 m)Slight; rougher days up to 4 ft |
| March | 50 / 39°F10 / 4°C | 50% | 14 mph23 km/h | 48°F9°C | 2 ft (0.6 m)Slight; rougher days up to 4 ft |
| April | 54 / 41°F12 / 5°C | 50% | 12 mph20 km/h | 50°F10°C | 2 ft (0.6 m)Slight; rougher days up to 3 ft |
| May | 59 / 49°F15 / 10°C | 43% | 13 mph21 km/h | – | 1 ft (0.4 m)Smooth; rougher days up to 2 ft |
| June | 63 / 52°F17 / 11°C | 50% | 14 mph22 km/h | – | 1 ft (0.4 m)Smooth; rougher days up to 2 ft |
| July | 64 / 55°F18 / 13°C | 61% | 13 mph22 km/h | – | 1 ft (0.4 m)Smooth; rougher days up to 2 ft |
| August | 66 / 55°F19 / 13°C | 54% | 15 mph24 km/h | – | 1 ft (0.4 m)Smooth; rougher days up to 3 ft |
| September | 61 / 53°F16 / 12°C | 50% | 16 mph25 km/h | – | 2 ft (0.6 m)Slight; rougher days up to 4 ft |
| October | 57 / 48°F14 / 9°C | 57% | 15 mph24 km/h | 57°F14°C | 2 ft (0.6 m)Slight; rougher days up to 4 ft |
| November | 51 / 42°F10 / 6°C | 40% | 14 mph22 km/h | 55°F13°C | 2 ft (0.6 m)Slight; rougher days up to 4 ft |
| December | 47 / 39°F8 / 4°C | 49% | 15 mph24 km/h | 51°F11°C | 2 ft (0.7 m)Slight; rougher days up to 5 ft |
Check the forecast for your sailing
Upcoming cruises in Belfast
2 ships from 2 cruise lines are scheduled here, 2 visits in total. The next 2:
| Date | Ship | Stop | Sailing |
|---|---|---|---|
| Thu, Oct 152026 | Norwegian SunNorwegian Cruise Line | Calls | 12 nights from Southampton |
| Sun, May 232027 | Viking SkyViking | Calls | 169 nights from Fort Lauderdale |
Ships that visit Belfast
Nearby cruise ports
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- Newcastle (England, UK)England, UK
- CorkMunster, Ireland
Wave heights are significant wave height on the Douglas sea state scale. What the numbers mean for a cruise. Sources and method are on the about page.