Weather in Finland in mei
Country-wide climate normals across 15 cities in Finland.
How Hot Is Finland in mei?
Finland's small geographic footprint means May is uniformly mild — typical 13°C highs nationwide.
Sunshine in Finland in mei
Variable weather dominates Finland in May: 4.9h of direct sun on a typical day in Helsinki, with daylight from 4:40 am to 9:55 pm. Expect both bright and cloudy days across the month, and slight regional differences between coastal and inland zones.
Does It Rain In Finland In mei?
Typical May rainfall covers Finland: about 50mm in Helsinki across 9 days, with wetter conditions in coastal regions and drier conditions inland. Expect showers about half the days, but extended dry stretches between them. The pattern is variable but predictable.
Is Finland Humid In mei?
Mugginess defines Finland's May: humidity averages 69% in Helsinki, and the air feels noticeably heavy across most regions. Sweat sits on the skin longer than it would in drier conditions, and overnight relief is limited. Pack light, breathable fabrics.
Wind In Finland In mei
Finland's May has gentle wind — Helsinki averages 17 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Finland In mei
Cloudy skies dominate Finland in May — 64% cover in Helsinki, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.