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Best Time for The Atlantic Road: Ålesund to Trondheim
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Sweet spot: May, June, July. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- Near-endless light; the Atlantic Road at its calmest and the Geiranger detour fully open.
- Storm-watching season on the bridges — dramatic, but plan short driving days.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | −2.9°C | 0.5°C | 160 mm | 5.4 h | ❄ |
| February | −3.0°C | 0.8°C | 136 mm | 8.2 h | ❄ |
| March | −2.0°C | 2.5°C | 133 mm | 11.3 h | ❄ |
| April | 1.4°C | 6.7°C | 103 mm | 14.5 h | ❄ |
| May | 4.6°C | 10.7°C | 102 mm | 17.6 h | |
| June | 8.1°C | 14.2°C | 126 mm | 19.7 h | |
| July | 10.8°C | 16.8°C | 134 mm | 18.7 h | |
| August | 10.8°C | 16.4°C | 150 mm | 15.8 h | |
| September | 8.1°C | 12.9°C | 173 mm | 12.6 h | |
| October | 3.9°C | 7.9°C | 142 mm | 9.4 h | |
| November | 0.5°C | 3.6°C | 156 mm | 6.3 h | ❄ |
| December | −1.8°C | 1.5°C | 178 mm | 4.3 h | ❄ |