Best time to sail

Best time to sail in Finland

The best time to sail in Finland is July to August, with peak conditions in July and August.

That verdict comes from 1991–2020 climate normals — wind, rain, sunshine, and air temperature — scored week by week for charter conditions across 1 sailing area.

Open Finland in the interactive calendar

Sailing conditions in Finland, month by month

Mean weekly values across our sailing areas in Finland. The sail score weighs wind, rain, sun, and temperature — and discounts tropical-storm season where one applies.

MonthSail scoreWind (kn)Rain (mm/day)Sun (h/day)Temp (°C)
JanuaryFair121.212-1
FebruaryFair11112-1
MarchFair101.1121
AprilFair91.1124
MayFair81.2129
JuneFair71.31213
JulyExcellent81.41217
AugustExcellent91.91217
SeptemberFair101.91213
OctoberFair111.8128
NovemberFair111.5123
DecemberFair121.5121

Sailing areas in Finland

Every area below is scored individually in the interactive calendar; where we have an in-depth guide, it's linked.

Aland Islands

Intermediate

Best conditions around July 27

Finnish-Swedish archipelago — quiet, technical pilotage.

Frequently asked questions

When is the best time to sail in Finland?

July to August offers the most reliable conditions, with July and August scoring best for wind, rain, sunshine, and temperature in the 1991–2020 climate normals.

How warm is it in Finland in July?

Around 17 °C air temperature on average in July, with about 12 hours of sun a day.

Method: 1991–2020 weekly climate normals (wind, rain, sunshine, air temperature) per sailing area, combined into a 0–1 sail score for charter conditions; tropical-storm season is applied as a discount. This page updates automatically as new sailing areas are added.