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Helsinki in October: Weather, Average temperature and Climate

Take a look at past year’s weather for Helsinki in October and see if it is worth visiting.
Check flight prices to Helsinki on Avionero:
October

Weather in Helsinki in October 2024

OK Weather
Chill
☁️
Cloudy
October could be a good time to visit Helsinki, as the weather is generally fine. The average high temperature is around +48°F, and there are typically 5 sunny days in October. However, expect about 9 rainy days, and total monthly rainfall of approximately 80 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+48°F
Avg. max. temperature
+18°F
Min.
+64°F
Max.
80 mm
Total precipitation
83%
Avg. humidity
4 m/s
Avg. wind
5 ☀️
Sunny Days
17 ⛅️
Cloudy
9 🌦
Rainy
Our opinion: Helsinki has OK weather in October.

Average temperature in Helsinki in October

Here are the expected maximum, average and minimum temperatures in Helsinki for October based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in October is +50°F with a maximum of +57°F and a minimum of +30°F.

The average maximum temperature goes down 27% by the end of the month, compared with the beginning of the month, from +55°F to +48°F.

Is Helsinki warm or cold in October?

Helsinki is typically chill in October.

Maximum temperatures go down compared to the previous month from +57°F to +48°F. The minimum temperature also goes down from +48°F to +41°F.

Pack a jumper and a jacket as there will be cooler temperatures.

Take a look at how October is compared to other months in Helsinki:

Climate in Helsinki in October

Helsinki weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+57°F+48°F+39°F
Min. temperature
+32°F+18°F+1°F
Max. temperature
+72°F+64°F+55°F
Rainfall
77 mm80 mm55 mm
Wind
3 m/s4 m/s4 m/s
Humidity
80%83%86%
Air pressure
1011 HPa1011 HPa1010 HPa
Sunny days
652
Cloudy days
161718
Rainy days
897
Snowy days
003

October weather is still as ok as in September. It’s getting colder in October. From +57°F in the day, the average maximum temperature lowers to +48°F. Prepare for more rain. Average rainfall goes from 77 mm to 80 mm. Humidity rises from 80% to 83%. Winds are stronger in comparison to September, going up from 3 m/s to 4 m/s on average. The days becoming less sunny, going from 6 sunny days in September to 5 in October.

Next month (November) brings a further decline in the weather.

Wind

Wind speed in Helsinki in October based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Helsinki is gradually increasing during October, going from 2 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Helsinki based on historical data.
Last Year
Historical Data
Typically, there is a 55% chance of rain on an average day in October, with total rainfall of approximately 70 mm. The maximum amount of rainfall per day is around 12 mm, which is considered light rain. October is a pretty wet month with over 17 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
October is one of the rainiest months in Helsinki, here is a comparison with other months, total mm:
Helsinki wettest month is October, where a typical day has a 29% chance of precipitation and 80 mm of rainfall per day. March, on the other hand, is the driest month with a mere 3% chance of precipitation and 9 mm of rainfall per day.

Snow

Amount of snow in mm during October in Helsinki based on historical data.
Last Year
Historical Data
The total snow in October is about 0 mm, with a 0% chance of snow on a typical day.

Here’s how October is compared with other months in the amount of snow, total mm:

How was the weather last October in Helsinki?

This is the weather in Helsinki in October 2023:
1 October
☀️
+55°F
2 October
☀️
+53°F
3 October
☁️
+49°F
4 October
🌧️
+49°F
5 October
🌧️
+55°F
6 October
🌧️
+57°F
7 October
☁️
+58°F
8 October
☁️
+54°F
9 October
☀️
+54°F
10 October
☁️
+56°F
11 October
☁️
+52°F
12 October
☀️
+51°F
13 October
☁️
+52°F
14 October
☁️
+50°F
15 October
☁️
+51°F
16 October
🌧️
+54°F
17 October
☁️
+51°F
18 October
🌧️
+50°F
19 October
☀️
+44°F
20 October
☁️
+49°F
21 October
☁️
+48°F
22 October
☁️
+47°F
23 October
☁️
+48°F
24 October
☀️
+42°F
25 October
🌧️
+46°F
26 October
🌧️
+52°F
27 October
☁️
+51°F
28 October
☁️
+53°F
29 October
🌧️
+54°F
30 October
☀️
+43°F
31 October
☀️
+48°F
In October 2023 Helsinki had 8 sunny days, 15 cloudy days, and 4 rainy days. The average maximum temperature was +50°F, with an absolute maximum of +57°F and a minimum of +43°F. The average humidity was 85%, with a maximum of 98% and a minimum of 57%. The average wind speed was 4 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change Over the Years

This is how Helsinki climate has changed over the last 43 years.

The climate in Helsinki in October has not changed that much over the last 43 years.

The average temperature was the lowest in 2002 (+41°F) and the highest in 2020 (+54°F). The driest year was 2015 with only 17 mm of rainfall, and the wettest year was 2019 with 181 mm.

FAQ

Frequently asked questions about the weather in Helsinki in October:

Is October a good time to visit Helsinki?

It’s always a good time to visit Helsinki, but the weather is changeable in October, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Helsinki in October?

Not really, October is not the best time to sunbathe, unless you visit a local solarium.

Is Helsinki rainy in October?

Helsinki is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Helsinki in October?

Usually, it’s not very sunny in Helsinki in October, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Finland

Check out the weather for other cities in Finland.

Monthly weather in Helsinki

Source of the data

For this page, we’ve looked at the typical weather in Helsinki, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.