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Helsinki weather in January

Weather in Helsinki: January

Average day temperature: 28.1°F
Average night temperature: 25.5°F
Sea water temperature: 34.1°F
Number of sunny days: 3 days
Day length: 6.0 - 7.9 hours
Number of days with precipitation: 4 days
Precipitation totals: 2.1 in.

Air temperature in January, °F

Show year:
2024
2023
2022

The highest day temperature during January of 2024 was 37°F. At the same time the lowest night temperature was -4°F. Day and night temperature averages during January were 21.2°F and 17.7°F.

Sea water temperature in Helsinki in January, °F

Show year:
2024
2023
2022

The average sea water temperature in January of 2024 was 32.4°F. The highest and lowest sea temperatures during the month were 34.3°F and 31.3°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in January, in.

Precipitation total value in Helsinki in January is 2.3 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 11.7 mph It makes January most windy month 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 January is: 1.6.

Best time for vacation in Helsinki

Sunniest months:
July 15 days
June 15 days
May 14 days
Warmest months:
July 68.6 °F
August 67.3 °F
June 63.5 °F
Warmest sea temp:
August 63.1 °F
July 61.8 °F
September 58.8 °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
+37°F
NE 11 mph
Feels like: +30°F
Precip.: 0%
Places in Finland:
Name
°F
+34°F
+37°F
+23°F
+25°F
+30°F
+34°F
+25°F
+14°F
+30°F
+34°F
+34°F
+37°F
+37°F
+32°F
24 Hours Forecast
Helsinki
Local time: 20:02
December 24, tuesday
2100
37°F
NE
11 mph
December 25, wednesday
0000
37°F
NE
12 mph
0300
37°F
NE
13 mph
0600
39°F
NE
15 mph
0900
39°F
NE
14 mph
1200
39°F
NE
14 mph
1500
39°F
NE
12 mph
1800
41°F
NE
11 mph
Units of measurement: °C / °F