Best: Jul · Great: Jun, Aug-Sep
Four distinct seasons run through the year here, from January's chill to July's warmth, with rain spread fairly evenly across the calendar rather than concentrated in one stretch. In July, expect highs around 21°C with rain on roughly 9 days of the month.
Helsinki's design district and the striking Temppeliaukio 'Rock Church' make for an easy walkable day, and a ferry to the Suomenlinna sea fortress is a good half-day escape. A traditional Finnish sauna, ideally lakeside, is worth building into any visit.
Try Karelian pasties and fresh lake fish, Finnish staples, in Helsinki's market halls.
Daylight, sunrise, and sunset are calculated exactly from this region's latitude. Temperature and rainfall are modeled from its general climate type, not measured station data. Month summaries are generated from those modeled figures.
Expect cold days around -2°/-7°C, with occasional rain (~9 rainy days).
Expect cold days around -2°/-8°C, with occasional rain (~6 rainy days).
Expect cold days around 2°/-6°C, with occasional rain (~7 rainy days).
Expect cool days around 8°/-1°C, with occasional rain (~7 rainy days).
Expect mild days around 15°/5°C, with occasional rain (~8 rainy days).
Expect mild days around 19°/10°C, with occasional rain (~9 rainy days).
Expect mild days around 21°/13°C, with occasional rain (~9 rainy days).
Expect mild days around 20°/12°C, with frequent rain (~10 rainy days).
Expect mild days around 15°/8°C, with occasional rain (~9 rainy days).
Expect cool days around 8°/3°C, with frequent rain (~10 rainy days).
Expect cold days around 3°/-1°C, with frequent rain (~10 rainy days).
Expect cold days around -1°/-5°C, with occasional rain (~9 rainy days).