Weather in June
June marks the beginning of summer with sea temperatures significantly rising to 8.9°C (48°F) in
Naantali. A prolonged period of sunlight dominates the month, making it the ideal time for sightseeing. With the environment at its liveliest, Naantali experiences a heartening transformation. Unsurprisingly, this month is considered the unofficial start of the tourist season. Naantali welcomes the onset of this new phase with warm and clear weather conditions.
Sea temperature
In June, the average sea temperature in Naantali is 8.9°C (48°F).
Note: Immersing oneself in 8.9°C (48°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
Daylight
The month with the longest days in Naantali is June, with an average of 18h and 54min of daylight.
On the first day of June, sunrise is at 04:15 and sunset at 22:44. On the last day of the month, sunrise is at 04:08 and sunset at 23:03 EEST.