Credits: Aurora Village Ivalo
Northern Lights are most visible from the end of August to April in Lapland and northern Lakeland in Finland. Auroras, caused by solar winds, occur year-round – even in the summer – but the nights need to be dark enough for us to catch a glimpse of this phenomenal light show. That is why autumn, winter and spring are the best times to see the Northern Lights in Finland.
Article last updated: April 2026
Aurora season in Finland
Late August to early April
Best locations
Lapland and Arctic Lakeland
Peak months
September-October and February-March
National aurora forecast tool
Finnish Meteorological Institute – space weather
Practical information
For more tips on seeing the aurora, read our article "How to see the northern lights."
Many travellers associate the Northern Lights with deep winter, but the most active seasons are actually autumn and spring. This is when the Earth's orientation towards the sun maximises the probability of solar flares interacting with the planet's magnetic field – the process that creates the aurora. Statistically, the lights are visible on every second clear night during these periods.
August-September: the season awakens
The aurora season in Finland opens quietly at the end of August, as the nights grow dark again after the midnight sun period. Lakes are still unfrozen and the autumn colours – Finland's ruska season – are beginning to turn. Seeing reflections of the Northern Lights shimmering on a calm lake, known as the double aurora, is one of the more unusual treats this time of year offers.
October-November: prime aurora season
October and November are statistically among the strongest months for aurora activity. Solar winds interact more intensely with Earth's magnetic field around the autumn equinox (known as the Russell-McPherron effect), and the nights are long and properly dark. Snowfall typically arrives in Lapland making the landscapes turn white and magical.
December-January: polar night and deep winter
Most of Lapland enters polar night (kaamos) during this time, and in the northernmost areas the sun doesn't rise at all for weeks. If clear skies cooperate, this is some of the most atmospheric Northern Lights viewing possible: total darkness, snow-covered fells and not a hint of twilight to compete with the lights. This is also the most popular season to visit Finland to see the Northern lights, especially around Christmas time.
February-March: snow at its best, lights still going strong
February and March bring reliably cold temperatures, excellent snow conditions and increasing solar activity as the spring equinox approaches. This is the period when aurora probability climbs again. If you are looking to visit Lapland and Arctic Lakeland during a quieter winter season, this is the time.
April: the season closes
By early April, the nights are growing lighter and the Northern Lights season is drawing to a close in most of Finland. The very first weeks of April can still deliver sightings in northern Lapland, but by mid-month the chances drop significantly. If you're visiting for spring skiing, consider the Northern Lights a bonus rather than the main event.
The season sets the stage, but three factors determine whether you actually see the lights on any given night.
Clear skies are the single biggest factor. Cloud cover blocks the view entirely, so always check the weather forecast alongside the aurora forecast.
The KP index measures geomagnetic activity on a scale of 0–9. A reading of 1–2 might be enough to see auroras in northern Lapland. Higher readings mean stronger, more colourful displays visible further south. The Finnish Meteorological Institute's space weather page shows current activity, and there are also local Northern Lights apps available in various parts of Finland.
Artificial light pollution matters less in Finland than in many countries. Even Rovaniemi, the regional capital of Lapland, has dark skies nearby. Heading a short distance out of town, towards a frozen lake or open fell, makes a real difference. A guided tour is the best way to go.
Guided tours take you away from light pollution, use local knowledge about where skies tend to be clearest, and often combine the experience with activities like snowshoeing or a reindeer safari. They also remove the logistics of finding a good viewing spot in an unfamiliar landscape. Beyond the practicalities, a good guide brings the experience to life: explaining the science behind the aurora, reading the sky, and knowing when to move if clouds roll in.
Did you know that Lapland is also a perfect place to experience other light phenomena during summer? Read more about the fascinating nightless nights and Midnight Sun in Finland.
