- Book popular Paris sights & activities with Get Your Guide
- Enjoy Seine river cruises, guided tours & show tickets
- Filter deals by time, prices, length of activity & more
Best time to visit Mariehamn
Find the best time to visit Mariehamn and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Mariehamn by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Finland
When is the best time to visit Mariehamn?
The best time to visit Mariehamn is July based on the following average weather conditions.
Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]
Change the criteria to reflect your weather preferences.
Max Day Temperature (°C)
- -1Jan
- -2Feb
- 1Mar
- 6Apr
- 12May
- 17Jun
- 19Jul
- 18Aug
- 14Sep
- 9Oct
- 5Nov
- 1Dec
Which is the hottest month in Mariehamn?
The hottest time of year in Mariehamn is normally July. Expect maximum daytime temperatures to reach 19°C.
Which month has the most rain in Mariehamn?
In terms of rainfall, August is usually the wettest month in Mariehamn with 64mm on average. There are normally 14 days in August with some rain.
When is it sunniest in Mariehamn?
The sunniest time of year in Mariehamn is normally June with bright sunshine on average for 47% of daylight hours; that's 9 hours of sunshine per day.
When is the sea warmest in Mariehamn?
The sea is usually at its warmest in Mariehamn in August when the water temperature reaches 17°C.
Best time to visit
The weather guide for Finland (Mariehamn) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
Finland travel features
Do you want to learn more about Finland? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Finland.
We don't currently have any travel features on Finland. Discover more about holiday destinations around the world with this selection of general travel articles.
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- Black Friday sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport