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Climate · Helsinki

Helsinki in October

Cool and damp, as the days shorten.

Typical weather, averaged over 30 years

October in Helsinki is cool: highs near 52°F, lows near 42°F. Rain falls on about three days a week, and the days shorten by 1 hour 55 minutes from the first week to the last.October in Helsinki is cool: highs near 11°C, lows near 6°C. Rain falls on about three days a week, and the days shorten by 1 hour 55 minutes from the first week to the last.

High
52°F11°Caverage
Low
42°F6°Caverage
Wet days
3a week · 43% of days
Daylight
9h 52mon average

Is October a good time to visit Helsinki?

October sits outside Helsinki's best months, which run from July to August. Expect cool days and rain on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How October sits in the year

week by week

Temperature

Highs near 52°F in October, against 30°F to 73°F through the year.Highs near 11°C in October, against -1°C to 23°C through the year.

Chance of a wet day

43% of days in October, against 30% to 48% through the year.

Cloud cover

68% cover in October, against 49% to 77% through the year.

Daylight

9h 52m in October, against 5h 57m to 18h 46m through the year.

Week by week, lightly smoothed, with October shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. September63°17°low 51°low 11°3 wet days a weekRain on about three days a week.
  2. October52°11°low 42°low 6°3 wet days a weekRain on about three days a week.
  3. November43°6°low 34°low 1°3 wet days a weekRain on about three days a week.

Where Helsinki sits, in October

Europe/Helsinki
this place
typical high in October 40°F4°C95°F35°C
Sunrise, mid-October
7:57 AMsets 6:14 PM
Above the sea
0 mlow-lying
Latitude
60.2°Nnorthern hemisphere
Nearest of ours
Rovaniemi706 km north

The land around Helsinki, shaded by its typical high in October, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Finland in October

high · low · wet days
See October on the planning mapThe whole year in Helsinki

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Helsinki. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.