Weather in Finnland in August
Country-wide climate normals across 15 cities in Finnland.
How Hot Is Finnland in August?
Finnland's small geographic footprint means August is uniformly mild — typical 19°C highs nationwide.
Sunshine in Finnland in August
Variable weather dominates Finnland in August: 3.4h of direct sun on a typical day in Helsinki, with daylight from 5:35 am to 9:10 pm. Expect both bright and cloudy days across the month, and slight regional differences between coastal and inland zones.
Does It Rain In Finnland In August?
Moderate rainfall defines Finnland's August: Helsinki averages 95mm across 14 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 August?
Heavy oppressive humidity covers Finnland in August: 75% on average in Helsinki, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Finnland In August
Finnland's August 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 Finnland In August
Finnland sees mostly cloudy weather through August: Helsinki averages 68% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.