What to Wear in Helsinki in May
Mild spring, long days. Expect 5°–15°C with 7 rainy days on average.
☀️
High
15°C
🌙
Low
5°C
🌧️
Rain days
7
🌡️
Feel
Pleasantly Cool
Typical outfit
~10°C average
About May in Helsinki
May in Helsinki typically brings mild spring, long days. With averages of 5°–15°C, the conditions call for fresh and crisp weather — the perfect excuse for cozy knits and stylish layering.
Think in layers: a thermal base, a knit mid-layer, and a windproof outer. You can strip back as the day warms.