Weather in Helsinki based on NeemTime research
Weather Overview of Helsinki
Helsinki, Finland, has a cold temperate climate with distinct seasons, including long, cold winters, mild summers, and moderate precipitation throughout the year.
Weather Seasons of Helsinki
Winter (December to February): Cold and snowy with short daylight hours and freezing temperatures.
Spring (March to May): Gradually warming, with melting snow, occasional rain, and increasing daylight.
Summer (June to August): Mild to warm, with long daylight hours, occasional heatwaves, and low humidity.
Autumn (September to November): Cooling temperatures with increasing rain and the first snowfall in late November.
Month with the Highest Temperature of Helsinki
July is typically the warmest month, with average highs around 21–22°C (70–72°F).
Month with the Lowest Temperature of Helsinki
January is the coldest month, with average lows around −7 to −8°C (18–19°F).
January Weather of Helsinki
Very cold, −8 to −1°C, with snow-covered landscapes, short daylight, and freezing nights.
February Weather of Helsinki
Cold, −7 to 0°C, snow remains, with slowly increasing daylight and occasional sunny days.
March Weather of Helsinki
Cold, −3 to 4°C, snow begins to melt, with longer days and occasional rain.
April Weather of Helsinki
Cool, 0 to 9°C, mixed snow and rain, with increasing sunshine and early spring conditions.
May Weather of Helsinki
Mild, 6 to 15°C, with blooming nature, pleasant days, and occasional rain showers.
June Weather of Helsinki
Warm, 12 to 19°C, long daylight hours, mostly sunny with low humidity.
July Weather of Helsinki
Warmest month, 15 to 22°C, sunny, ideal for outdoor activities, and comfortable nights.
August Weather of Helsinki
Mild to warm, 14 to 20°C, sunny with occasional rain and comfortable evenings.
September Weather of Helsinki
Cool, 10 to 16°C, with decreasing temperatures and more frequent rainfall.
October Weather of Helsinki
Chilly, 5 to 10°C, autumn colors, and occasional early snowfall.
November Weather of Helsinki
Cold, 0 to 4°C, overcast skies, and increasing snowfall towards the end of the month.
December Weather of Helsinki
Very cold, −5 to 0°C, short days, snow-covered streets, and freezing nights.