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Best Time for Åland Main Island: Mariehamn to Eckerö
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Preferred months for this journey: May, June, July, August, September. Check the seasonal notes before choosing your dates.
💡 Good to know
- May–September is the reviewed visitor season for Pommern, Kastelholm, Bomarsund and the Eckerö Mail and Customs House. Confirm the car and current attraction hours before each day; boat trips are separate optional bookings and never part of this road itinerary.
- From October through April, Pommern and the core seasonal museums needed for this road product are closed or lack dependable daily visitor access. This planner does not build October–April versions; choose May–September, then confirm the vehicle and current attraction hours.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | −1.5°C | 0.8°C | 52 mm | 6.3 h | ❄💨 |
| February | −2.5°C | 0.0°C | 40 mm | 8.7 h | ❄💨 |
| March | −1.2°C | 1.5°C | 38 mm | 11.3 h | ❄ |
| April | 2.0°C | 5.1°C | 36 mm | 14.2 h | |
| May | 6.3°C | 9.7°C | 43 mm | 16.9 h | |
| June | 11.3°C | 14.5°C | 58 mm | 18.5 h | |
| July | 15.7°C | 18.6°C | 58 mm | 17.8 h | |
| August | 15.9°C | 18.6°C | 65 mm | 15.4 h | |
| September | 12.1°C | 14.7°C | 59 mm | 12.5 h | 💨 |
| October | 7.1°C | 9.4°C | 69 mm | 9.7 h | 💨 |
| November | 3.5°C | 5.5°C | 67 mm | 7.0 h | 💨 |
| December | 0.7°C | 2.8°C | 61 mm | 5.5 h | ❄💨 |