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Helsinki weather in October

Weather in Helsinki: October

Average day temperature: 47.6°F
Average night temperature: 43.6°F
Sea water temperature: 50.1°F
Number of sunny days: 6 days
Day length: 8.8 - 11.4 hours
Number of rainy days: 4 days
Precipitation totals: 2.3 in.

Air temperature in October, °F

Show year:
2023
2022
2021

The highest day temperature during October of 2023 was 58°F. At the same time the lowest night temperature was 28°F. Day and night temperature averages during October were 44.3°F and 41.0°F.

Sea water temperature in Helsinki in October, °F

Show year:
2023
2022
2021

The average sea water temperature in October of 2023 was 51.2°F. The highest and lowest sea temperatures during the month were 58.5°F and 46.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in October are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in October, in.

Precipitation total value in Helsinki in October is 2.5 in. Other months of the year show relatively similar values.

Wind speed in October, mph

The average wind speed value in October is 11.1 mph It makes October one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 3.8.

Best time for vacation in Helsinki

Sunniest months:
July 16 days
June 15 days
May 14 days
Warmest months:
July 68.7 °F
August 67.2 °F
June 63.5 °F
Warmest sea temp:
August 62.9 °F
July 61.7 °F
September 58.5 °F
Coldest months:
January 28.1 °F
February 29.0 °F
December 33.4 °F
Rainiest months:
August 5 days
September 4 days
July 4 days
Windiest months:
December 12.8 mph
November 12.0 mph
January 11.7 mph

Helsinki on a weather map

Helsinki
+52°F
W 12 mph
Feels like: +36°F
Precip.: 0%
Places in Finland:
Name
°F
+36°F
+52°F
+32°F
+36°F
+45°F
+43°F
+43°F
+37°F
+46°F
+30°F
+55°F
+52°F
+43°F
+43°F
24 Hours Forecast
Helsinki
Local time: 16:02
March 28, thursday
1800
39°F
W
9 mph
2100
37°F
W
8 mph
March 29, friday
0000
37°F
NW
7 mph
0300
37°F
NW
6 mph
0600
36°F
W
6 mph
0900
37°F
W
4 mph
1200
41°F
N
5 mph
1500
36°F
NE
9 mph
Units of measurement: °C / °F