Aurora Borealis in Central Finland
Finland · 62.17°, 25.62° · geomagnetic 59.5° · needs Kp 5
Tonight in Central Finland
39%
Peak chance of a visible display tonight, from the same model the Revon app runs. Central Finland needs Kp 5, and tonight the forecast peaks at Kp 5.7. That is on the threshold rather than over it, so cloud and moonlight will decide the night.
Updated 2026-08-02 20:20 UTC
The next 30 nights in Central Finland
Every night to come, scored the same way as tonight. The best of the open week is Sunday 2 Aug at 39%. One of the seven reaches the Kp 5 that Central Finland needs: Sunday 2 Aug, at Kp 5.7. The 23 nights past the seven-day window move with the 27-day solar rotation and are updated daily in the app.
Nights 8–30 unlock in the Revon app
See all 30 nights for Central Finland
Revon aurora model over the NOAA Kp forecast and 27-day outlook
How often the aurora borealis reaches Central Finland
19.5 nights a year, averaged across 10.0 years of records
| Storm level | Nights / year |
|---|---|
| Kp 4 | 83.4 |
| Kp 5 | 28.7 |
| Kp 6 | 9.3 |
| Kp 7 | 3.2 |
| Kp 8 | 1.2 |
NOAA planetary Kp, 2016-04-02 to 2026-03-30
Worth watching through the dark half of the year
Kp 5 is a moderate storm — not an everyday event, but common enough that a patient observer in Central Finland sees the aurora borealis most winters.
Hours of true darkness, month by month
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.2 | 10.2 | 7.3 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 5.7 | 9.3 | 11.7 | 12.7 |
Solar declination and hour angle at −18°
Nothing to see from May to August
Through those months the sun never falls more than 18° below the Central Finland horizon, so the sky never darkens fully. Plan around the darker half of the year.
Getting clear of the light
With 176,831 people around you, the sky over central Central Finland is Bortle 6. The glow hides anything but the brightest display, so the drive out matters more here than the forecast does.
- 21 km west-north-west — around Petäjävesi → Bortle 4
- 21 km west-north-west — around Petäjävesi → Bortle 4
Falchi 2016 World Atlas (DOI: 10.5880/GFZ.1.4.2016.001)
The months that actually deliver
Counting only nights that were both stormy enough and dark enough, September, March and October came out ahead in Central Finland. That is storm season and darkness overlapping — the equinoxes tend to be geomagnetically active, and the nights are already long by then.
Darkest nights of the coming year
A bright moon washes out a weak display as effectively as street lighting. These new moons fall inside the Central Finland viewing season.
- 11 Sep 2026
- 11 Oct 2026
- 09 Nov 2026
- 09 Dec 2026
- 07 Jan 2027
- 06 Feb 2027
- 08 Mar 2027
Where it is close to a certainty
If you would rather plan a trip than wait for a storm, the nearest place with genuinely frequent aurora is Rovaniemi, 481 km north in Finland.
| Central Finland | Rovaniemi | |
|---|---|---|
| Kp needed | 5 | 3 |
| Nights per year | 19.5 | 171.4 |
| Geomagnetic latitude | 59.5° | 63.6° |
Confirmed reports from this area
162 verified sightings were logged within 300 km of Central Finland between 2015-01-01 and 2016-12-31. Rare is not the same as impossible.
Aurorasaurus verified positive reports
Where the horizon opens up near Central Finland
The display sits low on the northern horizon, so what beats a better forecast is open ground facing that way. Height gets you above the town glow; water gives you an unbroken skyline. These are within a short drive of Central Finland.
- Härköjärvi — lake3.2 km north-east
- Ylä-Sallaajärvi — lake3.6 km north-north-west
- Taipaleenmäki — hill3.6 km north-north-east
- Polkuluoto — island3.9 km west
- Sääksvuori — hill3.9 km east
- Lapinniemi — headland4.2 km west
Places from GeoNames (CC BY 4.0)
What to do with the daylight
Aurora watching is a night job, and in winter that leaves a short, bright day to fill. Close to Central Finland you will find Jyväskylä TV Mast 2 and Jyväskylä TV Mast 1, and for a day when the cloud sits low, Jyväskylän Kunnallistekniikan Museo, Heiskan Taiteilijakoti and Alvar Aalto-museo are indoors and near by.
Keep the daylight loose: the sky decides the evening, and the forecast can turn within a few hours.
Places from GeoNames (CC BY 4.0)
Where to stay
Staying central in Central Finland is fine for everything except the aurora itself — you will still need to drive out. If seeing it matters more than convenience, base yourself on the edge of town facing your dark spot.
- Original Sokos Hotel Jyvashovi 10.0 km from the centre
- Original Sokos Alexandra 10.1 km from the centre
- Sokos Hotel Jyväshovi 10.2 km from the centre
- Sokos Hotel Alexandra 10.2 km from the centre
- Spa Hotel Rantasipi Laajavuori 10.2 km from the centre
- Cumulus Jyväskylä 10.3 km from the centre
Places from GeoNames (CC BY 4.0) — confirm before booking
The last nights it was visible here
Nights in the last decade when the storm was strong enough for Central Finland and the sky was dark enough to show it.
| Date | Peak |
|---|---|
| 2026-03-24 | Kp 5.0 |
| 2026-03-23 | Kp 5.0 |
| 2026-03-22 | Kp 6.67 |
| 2026-03-21 | Kp 6.0 |
| 2026-03-20 | Kp 7.0 |
NOAA planetary Kp
Aurora forecasts across Central Finland
All 3 places in Central Finland with a forecast page, and the Kp each one needs.
Know when it is worth going outside
Revon watches the Central Finland forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
Common questions about the aurora borealis in Central Finland
Can you see the aurora borealis from Central Finland?
Yes. On the last 10.0 years of NOAA Kp records, Central Finland had about 19.5 nights a year when the storm was strong enough and the sky dark enough at the same time.
What Kp index do you need to see the aurora borealis in Central Finland?
Kp 5. Central Finland sits at geomagnetic latitude 59.5°, and the auroral oval only reaches that far from the pole once activity hits Kp 5. Storms that size occur about 28.7 nights a year.
When is the best time of year to see the aurora borealis in Central Finland?
September, March and October. Those months scored highest once both conditions are counted together: geomagnetic activity and enough hours of real darkness. From May to August the sky over Central Finland never gets fully dark, so nothing is visible however strong the storm.
Where can you escape the light pollution near Central Finland?
The centre of Central Finland reads Bortle 6. The nearest sky at Bortle 4 is about 21 km west-north-west around Petäjävesi. On a marginal night that drive matters more than the forecast does.
Where is the nearest place to Central Finland with reliable aurora borealis?
Rovaniemi, Finland — 481 km north. It needs only Kp 3 and averages 171.4 viable nights a year against 19.5 in Central Finland.
Nearby towns
Forecasts for places within reach of Central Finland.
- 🇫🇮 Laukaa - Finland32 km
- 🇫🇮 Jämsä - Finland41 km
- 🇫🇮 Mikkeli - Finland102 km
- 🇫🇮 Heinola - Finland110 km
- 🇫🇮 Kangasala - Finland113 km
- 🇫🇮 Varkaus - Finland118 km
- 🇫🇮 Tampere - Finland122 km
- 🇫🇮 Pohjois-Hervanta - Finland123 km