# Slemmern, Finland: what it is and when to go > Slemmern is a bay in Åland, Finland. Interests: Nature. The best time to visit is June to September. In June there are 18 h 28 of daylight, and in December, 5 h 32. It has articles in 3 Wikipedias, so it is not one of the busiest places in Finland: one to enjoy at a calmer pace. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip. - Address: https://kokai.app/en/paises/europa/finlandia/slemmern/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Bay in Åland, Finland · Nature - **Where:** Finland - **Best time:** June to September. - **Nearest airport:** HEL Helsinki (Vantaa), 277 km as the crow flies - **Coordinates:** 60.09102, 19.97957 ## What it is and where Slemmern is a bay in Åland, Finland. It has articles in 3 Wikipedias, so it is not one of the busiest places in Finland: one to enjoy at a calmer pace. Its coordinates are 60.09102, 19.97957; the nearest main airport is Helsinki Vantaa Airport (HEL, Helsinki (Vantaa)), 277 km as the crow flies. How to get around Finland (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/finlandia/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=60.091023%2C19.979575) - [Directions](https://www.google.com/maps/dir/?api=1&destination=60.091023%2C19.979575) It is one of the [Nature](https://kokai.app/en/paises/europa/finlandia/naturaleza/) places in Finland. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap. ## When to go The best time to visit Slemmern is **June to September**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 6 h 19 | | February | Possible | 8 h 46 | | March | Possible | 11 h 21 | | April | Possible | 14 h 14 | | May | Possible | 16 h 50 | | June | Best time | 18 h 28 | | July | Best time | 17 h 46 | | August | Best time | 15 h 22 | | September | Best time | 12 h 31 | | October | Possible | 9 h 43 | | November | Better not | 7 h 03 | | December | Possible | 5 h 32 | In June there are 18 h 28 of daylight, and in December, 5 h 32. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather. When to go to Finland in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/finlandia/#cuando-ir). ## Before you go to Finland To enter Finland there are 6 things to sort out before you leave, starting with “Valid Spanish ID card (DNI) or passport”: they are all, with their deadlines, in [the Finland checklist](https://kokai.app/en/paises/europa/finlandia/#antes-de-salir). Currency: Euro (EUR); plugs: Type C and F · 230 V · 50 Hz (the same plug as in Spain); emergencies: 112. In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it. ## What is nearby - [St Olav Waterway Lemböte](https://kokai.app/en/paises/europa/finlandia/st-olav-waterway-lembote/): Hiking · 1.8 km - [Mariehamn Runt](https://kokai.app/en/paises/europa/finlandia/mariehamn-runt/): Hiking · 2.1 km - [Lotsberget](https://kokai.app/en/paises/europa/finlandia/lotsberget/): Nature · Mountains · 2.5 km - [St. George's Church, Mariehamn](https://kokai.app/en/paises/europa/finlandia/s-t-gorans-kyrka/): Church building in Mariehamn, Åland, Finland · 2.6 km - [St Olav Waterway Mariehamn](https://kokai.app/en/paises/europa/finlandia/st-olav-waterway-mariehamn/): Hiking · 2.7 km Distances are as the crow flies. Everything else is in [the Finland guide](https://kokai.app/en/paises/europa/finlandia/). ## More in Finland: Nature - [Gulf of Finland](https://kokai.app/en/paises/europa/finlandia/golfo-de-finlandia/): arm of the Baltic Sea - [Halti](https://kokai.app/en/paises/europa/finlandia/halti/): fell at the Finnish–Norwegian border - [Old Rauma](https://kokai.app/en/paises/europa/finlandia/old-rauma/): old town of the city of Rauma, Finland - [Oulujärvi](https://kokai.app/en/paises/europa/finlandia/oulujarven-retkeilyalue/): lake of Northern Ostrobothnia and Kainuu, Finland - [Turku Cathedral](https://kokai.app/en/paises/europa/finlandia/turku-cathedral/): cathedral in Turku, Finland - [Bothnian Bay](https://kokai.app/en/paises/europa/finlandia/bahia-de-botnia/): northernmost part of the Gulf of Bothnia Every Finland place under Nature, each with its season, is on [its page](https://kokai.app/en/paises/europa/finlandia/naturaleza/). ## Frequently asked questions ### What is Slemmern? It is a bay in Åland, Finland. It has articles in 3 Wikipedias, so it is not one of the busiest places in Finland: one to enjoy at a calmer pace. ### When is the best time to visit Slemmern? June to September. In June there are 18 h 28 of daylight, and in December, 5 h 32. ### How do you get to Slemmern? The nearest main airport is Helsinki Vantaa Airport (HEL), 277 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=60.091023%2C19.979575) opens the route on the map, and how to get around Finland is explained in [its country guide](https://kokai.app/en/paises/europa/finlandia/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Finland map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby. ### What else is around here? Nearby you have [St Olav Waterway Lemböte](https://kokai.app/en/paises/europa/finlandia/st-olav-waterway-lembote/), [Mariehamn Runt](https://kokai.app/en/paises/europa/finlandia/mariehamn-runt/), [Lotsberget](https://kokai.app/en/paises/europa/finlandia/lotsberget/). The rest is in [the Finland guide](https://kokai.app/en/paises/europa/finlandia/). Data from [OpenStreetMap](https://www.openstreetmap.org/relation/21459248), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q10671549), CC0. More about Slemmern on [Wikipedia](https://sv.wikipedia.org/wiki/Slemmern). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).