Weather in Helsinki in January 2018

Check the weather in Helsinki in January based on long-term weather averages before you book your next holiday to Finland in 2018. Expect daytime temperatures to reach -4°C with on average 1 hours of sunshine per day in Helsinki in January.

What is the weather like in Helsinki in January?
How hot is Helsinki in January? -4°C
How sunny is Helsinki in January? 1 sunshine hours/day
How wet is Helsinki in January? 43 mm rainfall
How warm is the sea around Helsinki in January? 1°C

Weather in Helsinki in January

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

  • -4°C maximum daytime temperature in January in Helsinki-4
    -4°C max day temperature
  • 1 hours of sunshine per day (13% of daylight hours) in January in Helsinki1
    1 hour of sunshine per day
  • 20 days with some rainfall in January in Helsinki20
    20 days with some rainfall
  • -10°C minimum night-time temperature in January in Helsinki-10
    -10°C min night temperature
  • 7 hours of daylight per day in January in Helsinki7
    7 hours of daylight per day
  • No heat & humidity in January in Helsinki0
    No heat & humidity
  • 43 mm monthly rainfall in January in Helsinki43
    43 mm of monthly rainfall
  • No UV (maximum) index in January in Helsinki0
    No UV (Maximum) Index UV index
  • 1°C sea temperature in January in Helsinki1
    1°C sea temperature

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Helsinki

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More about Helsinki weather in January

The average maximum daytime temperature in Helsinki in January is a very cold -4°C (25°F). There is usually 1 hour of bright sunshine each day, which represents 13% of the 7 hours of daylight. The average sea temperature in and around Helsinki in January is 1°C (34°F).

Expect 43mm (1.7 inches) of rainfall across the whole of January with 20 days with some rain falling. The average night-time temperature is usually a very cold -10°C (14°F). The weather in Helsinki in January is represented by Helsinki.

Helsinki sunrise & sunset times for January 2018

Browse the sunrise & sunset times for Helsinki in January 2018. Select a month to view Helsinki sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Monday, 1st January 2018 09:24 15:24
Tuesday, 2nd January 2018 09:23 15:25
Wednesday, 3rd January 2018 09:23 15:27
Thursday, 4th January 2018 09:22 15:28
Friday, 5th January 2018 09:21 15:30
Saturday, 6th January 2018 09:20 15:32
Sunday, 7th January 2018 09:20 15:34
Monday, 8th January 2018 09:19 15:36
Tuesday, 9th January 2018 09:17 15:38
Wednesday, 10th January 2018 09:16 15:40
Thursday, 11th January 2018 09:15 15:42
Friday, 12th January 2018 09:14 15:44
Saturday, 13th January 2018 09:12 15:46
Sunday, 14th January 2018 09:11 15:48
Monday, 15th January 2018 09:09 15:50
Tuesday, 16th January 2018 09:08 15:53
Wednesday, 17th January 2018 09:06 15:55
Thursday, 18th January 2018 09:04 15:57
Friday, 19th January 2018 09:03 16:00
Saturday, 20th January 2018 09:01 16:02
Sunday, 21st January 2018 08:59 16:05
Monday, 22nd January 2018 08:57 16:07
Tuesday, 23rd January 2018 08:55 16:10
Wednesday, 24th January 2018 08:53 16:12
Thursday, 25th January 2018 08:51 16:15
Friday, 26th January 2018 08:49 16:17
Saturday, 27th January 2018 08:47 16:20
Sunday, 28th January 2018 08:44 16:23
Monday, 29th January 2018 08:42 16:25
Tuesday, 30th January 2018 08:40 16:28
Wednesday, 31st January 2018 08:38 16:30
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Helsinki weather by month

Check Helsinki weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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