Helsinki weather in October
Helsinki in October averages 7°C (44°F), 75 mm of rain and 2.7 hours of sun a day.
Of the twelve months in Helsinki, October is the sixth warmest, the second wettest and the fifth dullest.
- Average temp
- 7°C (44°F)
4–9°C · 40–49°F
- Rainfall
- 75 mm
Showers likely
- Sunshine
- 2.7 h
hours per day
What is Helsinki like in October?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Helsinki in October?
A light rain jacket
About 75 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 4°C (40°F).
October compared with September and November
October in Helsinki is 5.4°C cooler than September and 20 mm wetter than it, which averages 12°C (54°F).
October in Helsinki is 4.4°C warmer than November and about as wet as it, which averages 2°C (36°F).
Daylight in Helsinki in October
On 15 October the sun is up for 10 hours 9 minutes in Helsinki, rising about 08:00 and setting about 18:09 local time.
October ends 2 hours 41 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 8 hours 44 minutes short of June, the longest-lit month here.
Where to stay in Helsinki
Dates are a starting point for October.
Travel guides for Helsinki
What to read before you book.
Helsinki weather by month
TemperatureRainfall
How October compares with the rest of the year
October is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -3°C / 26°F | 54 mm |
| February | -4°C / 25°F | 38 mm |
| March | -1°C / 31°F | 35 mm |
| April | 5°C / 40°F | 32 mm |
| May | 10°C / 51°F | 41 mm |
| June | 15°C / 59°F | 56 mm |
| July | 18°C / 65°F | 58 mm |
| August | 17°C / 63°F | 84 mm |
| September | 12°C / 54°F | 55 mm |
| October | 7°C / 44°F | 75 mm |
| November | 2°C / 36°F | 70 mm |
| December | -1°C / 30°F | 59 mm |
Check another month
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FAQs about Helsinki in October
October climate averages for Helsinki, 1991–2020.
Helsinki averages 7°C (44°F) in October, ranging from about 4°C (40°F) at night to 9°C (49°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 75 mm falls across October, enough to need a light jacket but not enough to reshape a trip.
Yes. October averages 7°C (44°F) against 2°C (36°F) in November — 4.4°C warmer.
October is 5.4°C cooler than September, and 20 mm wetter.
Yes. October falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 2.7 hours of sun a day on the 1991–2020 average, so daylight is short on useful sun.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what October is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 10 hours 9 minutes of daylight in mid-October, against 18 hours 53 minutes in June and 5 hours 52 minutes in December.
On 15 October, sunrise is about 08:00 and sunset about 18:09 local time. Both shift across the month — the month ends 2 hours 41 minutes shorter than it starts.
