Jersey, Channel Islands
St. Helier cruise weather by month
What to expect when your ship is in St. Helier in any month: temperatures, how often it rains, wind, sea temperature and wave heights.
- 70°Fwarmest average high (August)
- 48°Fcoolest average high (January)
- 33%fewest rain days (June)
- 55%most rain days (November)
Weather in St. Helier right now
Weather in St. Helier by month
Average highs run from 48°F (9°C) in January to 70°F (21°C) in August. Rain falls on the fewest days in June and the most in November. Sea temperature and wave heights are for the water just off the port.
| Month | High / low | Rain days | Wind | Sea temp | Typical seas |
|---|---|---|---|---|---|
| January | 48 / 43°F9 / 6°C | 52% | 21 mph33 km/h | 49°F9°C | 5 ft (1.4 m)Moderate; rougher days up to 10 ft |
| February | 50 / 45°F10 / 7°C | 42% | 20 mph33 km/h | 48°F9°C | 5 ft (1.4 m)Moderate; rougher days up to 8 ft |
| March | 53 / 46°F12 / 8°C | 49% | 19 mph31 km/h | 49°F9°C | 4 ft (1.2 m)Slight; rougher days up to 7 ft |
| April | 56 / 48°F13 / 9°C | 41% | 19 mph30 km/h | 53°F11°C | 3 ft (1.0 m)Slight; rougher days up to 6 ft |
| May | 61 / 53°F16 / 11°C | 34% | 16 mph26 km/h | 58°F14°C | 3 ft (0.8 m)Slight; rougher days up to 4 ft |
| June | 67 / 58°F19 / 14°C | 33% | 16 mph25 km/h | 63°F17°C | 3 ft (0.8 m)Slight; rougher days up to 4 ft |
| July | 68 / 61°F20 / 16°C | 49% | 17 mph27 km/h | 65°F19°C | 3 ft (0.8 m)Slight; rougher days up to 5 ft |
| August | 70 / 62°F21 / 17°C | 40% | 17 mph27 km/h | 67°F19°C | 3 ft (0.8 m)Slight; rougher days up to 5 ft |
| September | 66 / 59°F19 / 15°C | 49% | 19 mph30 km/h | 65°F19°C | 3 ft (1.0 m)Slight; rougher days up to 7 ft |
| October | 62 / 56°F17 / 14°C | 50% | 20 mph32 km/h | 62°F17°C | 4 ft (1.2 m)Slight; rougher days up to 7 ft |
| November | 55 / 50°F13 / 10°C | 55% | 22 mph36 km/h | 57°F14°C | 5 ft (1.5 m)Moderate; rougher days up to 9 ft |
| December | 51 / 46°F11 / 8°C | 48% | 22 mph36 km/h | 52°F11°C | 5 ft (1.6 m)Moderate; rougher days up to 9 ft |
Check the forecast for your sailing
Upcoming cruises in St. Helier
1 ship from 1 cruise line is scheduled here, 2 visits in total. The next 2:
| Date | Ship | Stop | Sailing |
|---|---|---|---|
| Mon, Oct 122026 | Silver DawnSilversea Cruises | Calls | 12 nights from Lisbon |
| Wed, Oct 142026 | Silver DawnSilversea Cruises | Calls | 12 nights from Southampton |
Ships that visit St. Helier
Nearby cruise ports
- St Peter PortGuernsey, Channel Islands
- Saint-MaloBrittany, France
- CherbourgNormandy, France
- Portland (England, UK)England, UK
- Le Havre (Paris)Normandy, France
- HonfleurNormandy, France
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.