Helsinki, Finland: What to pack, what to wear, and when to go [2018]

Traveling to Helsinki, Finland? If you're planning to go to Helsinki, here is some important information about when to go, what to wear, and what to pack:

When to go to Helsinki, Finland

Based on the climate and weather in Helsinki, the best time to go is July. See below for details.

What to wear/what to pack for Helsinki, Finland by month

January

January in Helsinki can be bitter cold. The average overnight temperatures in the area are in the high 10s F (single digits below 0 C), with a few days below 0 F (10+ below zero C).

But the colder weather doesn't bring low humidity, which is in the 80% to 90% range on average.

What to wear/what to pack:

  • Sweaters
  • Insulated boots
  • Scarf
  • If you plan to ski, ski equipment
  • Very heavy socks
  • Fleeces
  • Umbrella
  • Gloves
  • Multiple layer jacket shell
  • Pajamas, such as sweats
  • Waterproof boots
  • Waterproof coat
  • Thermal undergarments

February

In February, Helsinki is freezing. Temperatures routinely are in the high 20s F (single digits below 0 C) range. At night, lows are in the 10s F (single digits below 0 C).

This is also a rainy time for Helsinki, with several of the days of the month having rain. In February, humidity reaches as high as 90%.

What to wear/what to pack:

  • Multiple layer jacket shell
  • Umbrella
  • Very heavy socks
  • Gloves
  • Insulated boots
  • Waterproof coat
  • If you plan to ski, ski equipment
  • Pajamas, such as sweats
  • Scarf
  • Sweaters
  • Fleeces
  • Thermal undergarments
  • Waterproof boots

March

In March, Helsinki can be extremely cold. Temperatures routinely are in the 30s F (single digits C) range. At night, lows are in the low 20s F (single digits below 0 C).

This is also a rainy time for Helsinki, with several of the days of the month having rain. In March, humidity reaches as high as 80%.

What to wear/what to pack:

  • If you plan to ski, ski equipment
  • Heavy socks
  • Waterproof boots
  • Umbrella
  • Cold weather footwear
  • Waterproof coat
  • Gloves or mittens
  • Heavy jacket
  • Sweaters
  • Warm pants or jeans

April

April can be very chilly. Temperatures average in the 40s F (single digits C) during the day. It rains or snows about half of the time.

What to wear/what to pack:

  • If you plan to ski, ski equipment
  • Waterproof coat
  • Waterproof boots
  • Light gloves or mittens
  • Jacket or coat
  • Standard footwear
  • Umbrella
  • Warm pants or jeans
  • Socks
  • Fleeces

May

May in Helsinki is crisp. The average overnight temperatures in the area are in the low 40s F (single digits C), with a few days below 32 F (single digits C).

With the colder weather comes lower humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

  • Dresses
  • Waterproof footwear
  • Light jacket or fleece
  • Waterproof luggage
  • Pants or jeans
  • Socks
  • Long skirts
  • Umbrella
  • Standard footwear
  • Long sleeve shirts or blouses
  • Rain coat

June

June in Helsinki is relatively cool. The average overnight temperatures in the area are in the high 40s F (single digits C). But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

  • Long skirts
  • Waterproof footwear
  • Socks
  • Pants or jeans
  • Dresses
  • Light jacket or fleece
  • Umbrella
  • Waterproof luggage
  • Standard footwear
  • Long sleeve shirts or blouses
  • Rain coat

July

If you visit Helsinki during July, you are likely to find that it is balmy. Temperatures tend to hover around the low 60s F (low 20s C) during the day, while at night they can dip into the low 50s F (low 10s C).

Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

  • Socks
  • Standard footwear
  • Umbrella
  • Waterproof footwear
  • Waterproof luggage
  • Dresses
  • Long skirts
  • Rain coat
  • Long sleeve shirts or blouses
  • Light jacket or fleece
  • Pants or jeans

August

August in Helsinki is cool. The rain can amount to several inches/centimeters. During this time, temperatures average in the 60s F (high 10s C).

What to wear/what to pack:

  • Pants or jeans
  • Waterproof luggage
  • Light jacket or fleece
  • Umbrella
  • Waterproof footwear
  • Dresses
  • Long skirts
  • Rain coat
  • Socks
  • Long sleeve shirts or blouses
  • Standard footwear

September

September in Helsinki can be chilly. The average overnight temperatures in the area are in the low 40s F (single digits C), with a few days below 32 F (single digits C).

But the colder weather doesn't bring low humidity, which is in the 70% to 80% range on average.

What to wear/what to pack:

  • Dresses
  • Light jacket or fleece
  • Socks
  • Rain coat
  • Standard footwear
  • Long skirts
  • Umbrella
  • Pants or jeans
  • Waterproof footwear
  • Waterproof luggage
  • Long sleeve shirts or blouses

October

If you are traveling to Helsinki in October, you will notice that it is cold. Expect it to rain about two thirds of the time. Daytime temperatures are in the 40s F (single digits C).

What to wear/what to pack:

  • Fleeces
  • Waterproof luggage
  • Jacket or coat
  • Umbrella
  • Rain coat
  • Waterproof footwear
  • Standard footwear
  • Light gloves or mittens
  • Socks
  • Warm pants or jeans

November

If you go to Helsinki in November, you will notice that it can be extremely cold. Expect it to rain or snow about half of the time. Daytime temperatures are in the 30s F (single digits C).

What to wear/what to pack:

  • Sweaters
  • Waterproof coat
  • Warm pants or jeans
  • Umbrella
  • Waterproof boots
  • If you plan to ski, ski equipment
  • Heavy socks
  • Heavy jacket
  • Gloves or mittens
  • Cold weather footwear

December

December in Helsinki is freezing. The rain/snow can amount to several inches/centimeters.

During this time, temperatures average in the low 30s F (single digits below 0 C), although night temperatures can dip into the single digits F (10+ below zero C).

What to wear/what to pack:

  • Heavy jacket
  • Gloves or mittens
  • Umbrella
  • Cold weather footwear
  • Waterproof coat
  • If you plan to ski, ski equipment
  • Heavy socks
  • Warm pants or jeans
  • Waterproof boots
  • Sweaters

Year-round what to wear/what to pack for Helsinki, Finland

Here are some general tips on what to wear in Helsinki, as well as several items to remember to pack when traveling there.

  • A plug adadpter that supports outlet types C and F
  • A SIM card that works in Helsinki
  • If you plan to visit a church, make sure to bring appropriate clothing
  • Theft can be a problem, so pack theft protection, including locks for luggage and a money belt or pouch
  • Appropriate museum wear
  • Bicycle friendly attire, if you plan on biking anywhere

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