Mariehamn, Finland: What to pack, what to wear, and when to go [2022]
Traveling to Mariehamn, Finland? If you're planning to go to Mariehamn, below is some important information about when to go, what to wear, and what to pack.
Contents
- When to go to Mariehamn
- Important essentials for Mariehamn
- Activities for Mariehamn
- Mariehamn in January: weather and what to pack
- Mariehamn in February: weather and what to pack
- Mariehamn in March: weather and what to pack
- Mariehamn in April: weather and what to pack
- Mariehamn in May: weather and what to pack
- Mariehamn in June: weather and what to pack
- Mariehamn in July: weather and what to pack
- Mariehamn in August: weather and what to pack
- Mariehamn in September: weather and what to pack
- Mariehamn in October: weather and what to pack
- Mariehamn in November: weather and what to pack
- Mariehamn in December: weather and what to pack

About your travel guide
Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.
When to go to Mariehamn, Finland
Based on the climate and weather in Mariehamn, the best time to go is July. See below for details.
Important essentials for Mariehamn, Finland
Here are some general tips on what to wear in Mariehamn, as well as several items to remember to pack when traveling there.
COVID-19 ESSENTIALS FOR 2022
-
Hand sanitizer
This hand sanitizer is an easy-to-carry plane-friendly product.
-
N95 masks to use in crowded airports
These N95 masks provide the best level of protection available.
-
Travel disinfecting wipes
Use these to sanitize plane and hotel surfaces.
Travel insurance
If you or a companion get COVID-19, your amazing trip can be ruined. Good travel insurance can help. See plans
-
Kids' KN95 masks
N95 masks don't exist for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).
-
A vaccine card protector
Vaccine cards frequently wear away. An unreadable card may result in severe consequences. This vaccine card protector helps avoid that.
General health necessities
Virus/bacteria filtering water bottle
Some areas may have potentially unsafe tap water, so it's useful to bring a contaminant filtering water bottle.
-
Travel first aid kit
This one is a good value.
-
Emergency motion sickness relief
Don't forget these
-
For families with young children
-
Power bank for devices
A portable power bank, like this one
-
Airplane or car necessities
-
Plug adapter
A plug adapter that supports outlet types C and F. This one should work in most places, but you may want to check with your hotel.
-
Money/passport pouch
A money pouch is vital for protecting your passport and credit cards.
-
Voice and data SIM card
A SIM card that works in Mariehamn. A good global SIM card works in most countries, but check the country list before buying.
What to wear/what to pack for Mariehamn, Finland by month
Already know when you're traveling?
January
January in Mariehamn is frigid. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C), with a few days below 0 F (10+ below zero C).
What to wear/what to pack:
If you visit the Åland Maritime Museum, wear museum-appropriate clothing and take:
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Comfy walking shoes
February
February in Mariehamn is very cold. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C), with a few days below 0 F (10+ below zero C).
What to wear/what to pack:
If you visit the Åland Maritime Museum, wear museum-appropriate clothing and take:
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Comfy walking shoes
March
March in this region is freezing. Temperatures average in the 30s F (single digits C) during the day.
What to wear/what to pack:
If you visit the Åland Maritime Museum, wear museum-appropriate clothing and take:
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Comfy walking shoes
April
Traveling to Mariehamn in April, you will notice that it is brisk. Daytime temperatures are in the low 40s F (single digits C).
What to wear/what to pack:
If you visit the Åland Maritime Museum, wear museum-appropriate clothing and take:
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Comfy walking shoes
May
May in Mariehamn can be brisk. The average overnight temperatures in the area are in the high 30s F (single digits C).
What to wear/what to pack:
If you visit the Åland Maritime Museum, wear museum-appropriate clothing and take:
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Comfy walking shoes
June
If you visit Mariehamn during June, you will probably find that it is relatively cool. Temperatures tend to hover around the low 60s F (mid 10s C) during the day, while at night they can dip into the 40s F (single digits C).
What to wear/what to pack:
If you visit the Åland Maritime Museum, wear museum-appropriate clothing and take:
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Comfy walking shoes
July
Traveling to Mariehamn in July, you will notice that it is relatively cool. Daytime temperatures are in the 60s F (high 10s C).
What to wear/what to pack:
If you visit the Åland Maritime Museum, wear museum-appropriate clothing and take:
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Comfy walking shoes
August
Traveling to Mariehamn in August, you will notice that it is relatively cool. Daytime temperatures are in the low 60s F (high 10s C).
What to wear/what to pack:
If you visit the Åland Maritime Museum, wear museum-appropriate clothing and take:
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Comfy walking shoes
September
September in Mariehamn is cool. The rain can amount to several inches/centimeters. During this time, temperatures average in the 50s F (low 10s C), although night temperatures can dip into the low 30s F (single digits C).
What to wear/what to pack:
If you visit the Åland Maritime Museum, wear museum-appropriate clothing and take:
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Comfy walking shoes
October
If you vacation in Mariehamn during October, you might notice that it is brisk. Temperatures tend to hover around the 40s F (single digits C) during the day, while at night they can dip into the high 30s F (single digits C).
What to wear/what to pack:
If you visit the Åland Maritime Museum, wear museum-appropriate clothing and take:
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Comfy walking shoes
November
November in Mariehamn is cold. The average overnight temperatures in the area are in the low 30s F (single digits C).
What to wear/what to pack:
If you visit the Åland Maritime Museum, wear museum-appropriate clothing and take:
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Comfy walking shoes
December
December in Mariehamn can be extremely cold. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the low 30s F (single digits below 0 C) to 30s F (single digits C), although night temperatures can dip into the single digits F (10+ below zero C).
What to wear/what to pack:
If you visit the Åland Maritime Museum, wear museum-appropriate clothing and take:
-
Small portable cooler
Save money on drinks with this portable cooler.
-
Ultralight day pack
Like this, so you don't have to lug around a heavy suitcase.
-
Comfy walking shoes
Check out our guides for these other locations: Ronda, Spain, Grand Isle, Maine, United States of America, Harker Heights, Texas, United States of America, Vrbovec, Croatia, Witzenhausen, Germany, Northern Tunisia, Tunisia, Norfolk, Virginia, United States of America, Bailieborough, Ireland, Franklin, Pennsylvania, United States of America, Bankura, India, and Deadhorse, Alaska, United States of America.