Uusimaa, Finland
Helsinki cruise weather by month
What to expect when your ship is in Helsinki in any month: temperatures, how often it rains, wind, sea temperature and wave heights.
- 70°Fwarmest average high (July)
- 31°Fcoolest average high (January)
- 26%fewest rain days (May)
- 53%most rain days (January)
Weather in Helsinki right now
Weather in Helsinki by month
Average highs run from 31°F (-1°C) in January to 70°F (21°C) in July. Rain falls on the fewest days in May and the most in January. Sea temperature and wave heights are for the water just off the port.
| Month | High / low | Rain days | Wind | Sea temp | Typical seas |
|---|---|---|---|---|---|
| January | 31 / 21°F-1 / -6°C | 53% | 16 mph27 km/h | 32°F0°C | 2 ft (0.7 m)Slight; rougher days up to 4 ft |
| February | 31 / 23°F0 / -5°C | 41% | 15 mph24 km/h | 32°F0°C | 2 ft (0.5 m)Smooth; rougher days up to 3 ft |
| March | 37 / 26°F3 / -3°C | 31% | 13 mph21 km/h | 33°F1°C | 1 ft (0.4 m)Smooth; rougher days up to 3 ft |
| April | 45 / 33°F7 / 0°C | 35% | 13 mph22 km/h | 39°F4°C | 1 ft (0.4 m)Smooth; rougher days up to 2 ft |
| May | 56 / 42°F14 / 6°C | 26% | 13 mph21 km/h | 49°F10°C | 1 ft (0.3 m)Smooth; rougher days up to 2 ft |
| June | 66 / 53°F19 / 12°C | 39% | 13 mph21 km/h | 61°F16°C | 1 ft (0.4 m)Smooth; rougher days up to 2 ft |
| July | 70 / 58°F21 / 15°C | 47% | 13 mph21 km/h | 65°F19°C | 1 ft (0.4 m)Smooth; rougher days up to 2 ft |
| August | 69 / 57°F20 / 14°C | 44% | 13 mph21 km/h | 67°F20°C | 1 ft (0.4 m)Smooth; rougher days up to 3 ft |
| September | 62 / 52°F16 / 11°C | 35% | 13 mph21 km/h | 63°F17°C | 1 ft (0.4 m)Smooth; rougher days up to 3 ft |
| October | 50 / 42°F10 / 5°C | 42% | 16 mph27 km/h | 51°F11°C | 2 ft (0.7 m)Slight; rougher days up to 4 ft |
| November | 39 / 33°F4 / 1°C | 44% | 15 mph25 km/h | 41°F5°C | 2 ft (0.6 m)Slight; rougher days up to 4 ft |
| December | 31 / 23°F-1 / -5°C | 47% | 14 mph23 km/h | 34°F1°C | 2 ft (0.6 m)Slight; rougher days up to 4 ft |
Check the forecast for your sailing
Upcoming cruises in Helsinki
4 ships from 2 cruise lines are scheduled here, 5 visits in total. The next 5:
| Date | Ship | Stop | Sailing |
|---|---|---|---|
| Sat, Oct 102026 | Mein Schiff RelaxTUI Cruises | Calls | 10 nights from Kiel |
| Wed, Nov 42026 | Mein Schiff FlowTUI Cruises | Calls | 13 nights from Kiel |
| Thu, Dec 32026 | Mein Schiff FlowTUI Cruises | Calls | 10 nights from Kiel |
| Sat, Dec 122026 | Mein Schiff 3TUI Cruises | Calls | 14 nights from Kiel |
| Sun, Dec 272026 | AIDAprimaAIDA Cruises | Calls | 11 nights from Kiel |
Ships that visit Helsinki
- Mein Schiff FlowTUI Cruises
- AIDAprimaAIDA Cruises
- Mein Schiff 3TUI Cruises
- Mein Schiff RelaxTUI Cruises
Nearby cruise ports
- TallinnHarju, Estonia
- RigaLatvia
- StockholmStockholm County, Sweden
- VisbyGotland County, Sweden
- GdyniaPomerania, Poland
- OsloNorway
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.