January
A restricted season or specialist planning may be needed.
YOUR YEAR BENEATH THE SURFACE
Aland Islands.
Explore well-preserved Baltic wrecks with a local guide who can arrange permits. Summer brings longer days; colder months may offer clearer water.
Best-season months: June, July, August, September
SEE THE WHOLE PICTURE
A month-by-month guide
February
A restricted season or specialist planning may be needed.
March
A restricted season or specialist planning may be needed.
April
A good option, with local differences to consider.
May
A good option, with local differences to consider.
June
Generally the most favourable seasonal window.
July
Generally the most favourable seasonal window.
August
Generally the most favourable seasonal window.
September
Generally the most favourable seasonal window.
October
Conditions depend more on region, weather or access.
November
Conditions depend more on region, weather or access.
December
Conditions depend more on region, weather or access.
EXPLORE MORE ON OCEANATIK
Found your season? Find your next dive.
Explore dive sites and discover local dive operators in Aland Islands on Oceanatik.