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.
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.
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.
[Resources]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.
Frequently asked questions
What is the water temperature in June in Naantali?
In Naantali, in June, the average water temperature is 8.9°C (48°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.
When are the longest days in Naantali?
The month with the longest days in Naantali, Finland, is June, with an average of 18h and 54min of daylight.
How many hours of daylight does Naantali have in June?
In June, the average day length is 18h and 53min.
When is the sunrise / sunset in June in Naantali?
In June, on the first day of the month, 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.
Average sea temperature in June
Naantali, Finland
- Average sea temperature in June: 8.9°C
The best month for swimming (with the highest average sea temperature) is August (12.8°C).
The coldest month (with the lowest average sea temperature) is February (-0.4°C).
Average daylight in June
Naantali, Finland
- Average daylight in June: 18h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
Naantali, Finland
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