20°
Clear sky
High: 22° · Low: 18° · Feels like 19°
Helsinki has a humid continental climate with a coastal touch, bringing long, freezing and snow-covered winters (often -8 to -2°C) when the Gulf of Finland can freeze, and cool, short summers around 19–22°C. Midsummer delivers extraordinarily long days that barely darken, while winter days are very short, dim and gloomy. Snow cover is reliable from December through March. This page offers an hourly and 14-day forecast plus detailed metrics like humidity, wind, UV and AQI.
Helsinki's winters are quite cold, averaging -8 to -2°C and dropping below -20°C during cold snaps. Snow cover and frozen sea ice are familiar sights from December to March.
Yes, around midsummer Helsinki enjoys extremely long days with nearly 19 hours of light and twilight that lingers all night. In contrast, winter days are very short and darken by mid-afternoon.
July is warmest, averaging around 20–22°C by day with occasional heatwaves above 28°C. Summers are short but pleasant and sunny.
June to August is ideal, with warm weather and bright, long days. For snow and a Nordic Christmas atmosphere, visit between December and February.
Updated: 10:38:46 PM