coastal destination · warmest in Jul · sea ~16°C in July · mid-range
Open Ruoholahti on the live value map →| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | -5 | -6 | -2 | 3 | 9 | 14 | 17 | 16 | 11 | 6 | 1 | -2 |
| Sea °C | 2 | 1 | 1 | 2 | 6 | 11 | 16 | 17 | 14 | 10 | 7 | 4 |
| Rain (days) | 44 | 34 | 37 | 36 | 31 | 46 | 64 | 74 | 64 | 70 | 66 | 55 |
Warmest month: Jul. Driest: May.
No mild-temperature months (18–28°C) — expect extremes.