Weather in Finnland in Mai
Country-wide climate normals across 15 cities in Finnland.
How Hot Is Finnland in Mai?
Mild conditions are universal across Finnland in May: highs near 13°C in Helsinki, similar elsewhere.
Sunshine in Finnland in Mai
Finnland's May brings mixed skies — Helsinki averages 4.9h of sun, with similar conditions nationwide. Cloudy periods alternate with sunny stretches, and the sun is up between 4:40 am and 9:55 pm. Plan for variability rather than guaranteed sunshine.
Does It Rain In Finnland In Mai?
Moderate rainfall defines Finnland's May: Helsinki averages 50mm across 9 days. Some regions see meaningfully wetter weather, especially coastal or mountain-facing areas, while continental interiors tend toward the drier end of the spectrum.
Is Finnland Humid In Mai?
Finnland's May is humid — 69% on average in Helsinki, with similar muggy conditions in most regions. Afternoons feel sticky, especially after rain, and the moisture amplifies warm-day temperatures noticeably. Coastal cities see the highest readings.
Wind In Finnland In Mai
Gentle steady winds define Finnland's May: Helsinki averages 17 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Cloud Cover In Finnland In Mai
Cloudy skies dominate Finnland 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.