Guide · Forecast

Northern lights in Rovaniemi today: how to decide in the evening

Northern lights in Rovaniemi today? Whether something is glowing above you depends on darkness, clouds and activity in the sky. Here you read which source tells you what and when to head out.

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Editorial rovaniemipolarlichter.deUpdated on October 3, 20267 min read12 sources

Tonight in Rovaniemi

Will you see the northern lights tonight?

…

–highest Kp tonight ·
–cloud cover from 9 pm to 2 am ·
–dark enough (season)

Cloud cover per hour tonight

How we judge this

Our rule, not a guarantee: first it has to be dark. Then the clouds decide: over 70 % cover means hardly any chance, under 30 % with a Kp of 2 or more means good chances, anything in between needs a little luck. The Kp index measures the disturbance of Earth's magnetic field on a scale from 0 to 9.

Updated: · every 12 hours · Kp: NOAA Space Weather Prediction Center · Clouds: MET Norway

The last 30 days

How active have the northern lights been?

quiet (under 2)moderate (2 to 4)active (4 to 5)strong (5 and up)Clouds at night (forecast; “–” = before measuring began)
DayHighest KpActivityCloudsOur take

Kp: NOAA (highest value of the day). Clouds: MET Norway, forecast for 9 pm to 2 am, since measuring began.

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In short

01Tonight
Look at the clouds first, then at the activity: only under a clear, dark sky do you have a chance.
02Forecast
A northern lights forecast for Rovaniemi is provided by the Finnish Meteorological Institute on its page about the northern lights and space weather.1
03Live image
Allsky cameras in Sodankylä and Abisko show you whether it is currently glowing in the north.2
04Time of day
The best chances are mostly between nine p.m. and two a.m.3
05Season
It is dark enough from the end of August to the beginning of April.4

What really matters this evening

Whether you see northern lights over Rovaniemi today is not decided in the morning, but in the hours after darkness falls. Three things must come together: the sky must be dark, it must be free of clouds above you, and high up the Earth's magnetic field must become active. If any of these is missing, the sky stays black, no matter how good an app sounds. Knowing this saves you many frustrating hours in the cold.

The good news: during the season, the dark sky in Rovaniemi is not a problem. Northern lights are possible here from the end of August to the beginning of April.4 During this time it gets dark early enough in the evening, and in deep winter the sun is only briefly visible or not at all. For you, that means that every clear night between autumn and spring is an opportunity, and you do not have to wait for a special week on the calendar.

How often the sky actually glows is shown by a figure from Visit Finland: in northern Finland, the northern lights appear on roughly 200 nights a year.5 This is a statement about activity, not about weather. Whether you see them on one of those nights depends on the clouds above your location. That is exactly why it is worth checking several sources before you leave your warm accommodation.

Your evening

How to check the sky step by step

  1. Afternoon

    Check the clouds

    Look at the cloud forecast for the evening and night.

  2. Early Evening

    View activity

    The Finnish Meteorological Institute provides data on auroras and space weather.1

  3. 9 p.m.

    The good window begins

    The best window mostly falls between 9 p.m. and 2 a.m.3

  4. In between

    View camera

    Allsky images from Sodankylä and Abisko show whether the north is glowing.2

  5. In Case of Clouds

    Change location

    A short trip out of town makes a real difference.6

Clouds first

The most common reason for an empty sky is not weak lights but clouds. A dense layer swallows even a strong northern light completely, while a narrow gap can be enough. That is why your check in the evening starts with the northern lights weather in Rovaniemi: is the sky above the city clear, partly cloudy or overcast? A regular weather app with a cloud forecast is completely sufficient for this; you do not need a special application for this step.

A look at the climate data shows why this step is so important. The NOAA station Rovaniemi Apukka records an average of 7 days with at least 2.5 mm of precipitation in November.7 In February and March, the average is 4 days each.77 On such days the sky is usually closed, and on many other evenings clouds pass through without any rain or snow falling.

Cloud cover is not a fixed value. Over Lapland, cloud fields often move quickly, and a gap can open or close again within a short time. Therefore, do not look at the map only once in the afternoon, but again shortly before you set off. If the sky is overcast above the city, it may already be clear a bit further out. That is the basis for the tour on this page, whose guide chases the clear sky in a 4x4 vehicle.

Darkness and clouds

Sunshine hours and precipitation days per year

Hours without sunDays with precipitationSeason
Jan: 20.5 h without sun, 6 days with precipitation 21 JanFeb: 16.4 h without sun, 4 days with precipitation 16 FebMar: 12.9 h without sun, 4 days with precipitation 13 MarApr: 9 h without sun, 4 days with precipitation 9 AprMay: 5.1 h without sun, 5 days with precipitation 5 MayJun: 0.9 h without sun, 6 days with precipitation 1 JunJul: 3.3 h without sun, 7 days with precipitation 3 JulAug: 7.4 h without sun, 6 days with precipitation 7 AugSep: 11.3 h without sun, 6 days with precipitation 11 SepOct: 15.1 h without sun, 6 days with precipitation 15 OctNov: 19.1 h without sun, 7 days with precipitation 19 NovDec: 23.1 h without sun, 6 days with precipitation 23 Dec
Hours without sunshine in mid-month and days with at least 2.5 mm of precipitation. NOAA, Rovaniemi Apukka station, 1991 to 2020.7

Tools

What tells you which source

SourceWhat it showsWhat it is good for
Weather appCloud cover over the cityThe first question: clear or not?
Meteorological InstituteAuroras and space weather over Finland1Whether the activity is rising
Kp indexStrength of geomagnetic storms8Rough trend
NOAA mapGreen oval around the magnetic pole9Where the aurora is right now
Allsky cameraImages from Sodankylä and Abisko2Proof that it is glowing right now

The tools complement each other. What ultimately matters is looking up, at the darkest possible spot.

Decision helper

Go or wait?

What do the forecast and cloud map show you right now?

Go outside now

Dark, clear, and active: you could not wish for more from an evening.

Still have a look

Even when conditions are calm, the north can glow, especially during the best window of the night.3

Change location

A short trip out into the countryside can make a real difference, according to Visit Finland.6

Plan for tomorrow

Book flexibly: the tour on this page can be cancelled for free up to 24 hours in advance.

Jacket on

The allsky images confirm that it is glowing right now in northern Lapland.2

The best window in a night mostly falls between 9 p.m. and 2 a.m.

Visit FinlandTranslated from English · Source 3

Reading the activity in the sky

If the sky is clear, the second question arises: is something happening up there? Northern lights are created when charged particles from the sun hit the Earth's magnetic field. How strongly that field is currently disturbed is measured by magnetometers on the ground. The Finnish Meteorological Institute makes its data on the northern lights and space weather publicly available.1 There you can see whether the disturbances over Finland are currently increasing or fading.

The Kp index is better known and is displayed prominently by many apps. The NOAA Space Weather Prediction Center describes it as a measure of disturbances in the Earth's magnetic field and the strength of geomagnetic storms.8 A high value means that the aurora can reach further south. For Rovaniemi, which is on the Arctic Circle, it is only a rough guideline: here in the north, the northern lights can appear even in calmer conditions.

The NOAA also publishes forecast maps on which the northern lights usually appear as a green oval around the Earth's magnetic pole.9 If Lapland is right in the middle of the green area, the chances are good. If the oval is further north, it can still glow just above the horizon. Read such maps as a trend for the region, not as a guarantee for your exact location on the outskirts of the city.

Checklist

Before you head out today

01

On your phone

  • Cloud forecast for Rovaniemi
  • Page about the Northern Lights at the Meteorological Institute
  • Allsky camera Sodankylä
  • A reminder for a late look outside
02

Within reach

  • Several warm layers
  • Hat, gloves, and scarf
  • A hot drink in a thermos flask
  • Charged battery

Cost calculator

How much does a guided Northern Lights night cost?

Plan today what a tour will cost you.

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Total from$456

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Departure prices according to GetYourGuide, converted at the ECB reference rate. The exact price is shown when you book.

Video

Reading the Northern Lights forecast with an app

The video only loads when you tap Play.

When to go

There is a simple rule of thumb for the timing. Visit Finland usually names the window between 9 p.m. and 2 a.m. as the best part of the night.3 This does not mean that nothing happens before or after. But if you only want to spend part of the night outside, these hours are the best choice, and you should take a longer break beforehand to stay warm, with food and a hot drink.

A sense of darkness also helps. In mid-December, according to NOAA station data, the sun in Rovaniemi is above the horizon for an average of only 0.9 hours.7 On December 21 or 22, according to Visit Rovaniemi, it does not rise at all.10 So during these weeks it is already dark enough early in the evening, and your window for looking up is long.

In autumn it looks different. In mid-September, the sun still shines for 12.7 hours.7 Then it only gets properly dark late in the evening, and the good hours shift later. In March, with 11.1 hours of sunshine around mid-month, it is similar.7 So do not plan your evening by the clock alone, but by the moment the sky has actually turned black.

What this means for your chances

Many people look for a fixed probability of seeing the northern lights in Rovaniemi. There is no single percentage for your night, because clouds and solar activity change independently of each other. What exists are experience values for the region. The Finnish Meteorological Institute has evaluated data for the high north of Lapland around Kilpisjärvi and Utsjoki, showing that on most nights with sufficiently clear skies, the northern lights are visible.11

Rovaniemi is located further south than this area, but right on the Arctic Circle.12 The data cannot therefore be transferred one to one. It does, however, show what the overall situation in Lapland looks like: activity is present on many nights, and in the end, the weather decides your evening. That is why checking the clouds is far more important than any percentage in an app.

From this you can derive a practical rule for choosing your night. In Rovaniemi, do not plan just one evening for the northern lights, but several. This way, you can sit out a cloudy night and make use of the next clear one. If you only have one evening available, your best bet is a tour that is flexible and drives toward clear skies rather than waiting at a fixed spot.

An evening as an example

Suppose you are in Rovaniemi in February. The weather app shows a largely clear sky for the evening, with only a few clouds in the south. That is the most important news of the day. Now it is worth planning the evening around the northern lights: eat early, prepare warm clothing, and choose a spot where streetlights will not blind you.

In the early evening, check the Meteorological Institute page. The values rise slowly, but there is nothing special to see yet. You wait in the warmth and later in the evening open the camera images from Sodankylä. There, the first green arcs appear over the horizon. That is the signal to set off, and without lingering too long.

Outside, your eyes adjust to the darkness within a few minutes, and then you see it yourself: a bright arc low in the north, slowly climbing higher. Stay a while, even if the glow fades in between. The northern lights come in waves, and the strongest phase of a night sometimes comes only after a quiet pause.

If it does not work out today

Sometimes the weather forecast shows dense clouds for today but clearing for the following evening. Then it is worth looking ahead: northern lights in Rovaniemi tomorrow are often the better bet if a cloud band is currently moving over the region. Cloud cover can be assessed fairly well a day in advance, but solar activity in the sky can only be estimated roughly. So plan with the weather and let the activity surprise you.

If you would like to book a tour, this flexibility also helps. The tour on this page can be cancelled free of charge up to 24 hours in advance. You can therefore reserve an evening and check your decision the day before with a fresh forecast. In addition, you can book now and pay later, which is pleasant when the weather is uncertain.

Another point speaks in favor of a guided night in uncertain weather. The tour on this page promises a northern lights sighting or your money back if the conditions make it impossible, and it is designed for 8 hours. The guide drives to where the sky is open in a 4x4 vehicle, if necessary even across the border. With a maximum of 8 guests, the group stays small.

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You ask,we answer.

How do I know if there are northern lights to see today?

Clouds and activity. If the sky is clear and the activity is elevated, your chances are good. It is dark enough in the season from late August to early April.4

Where can I find a northern lights forecast for Finland?

At the Finnish Meteorological Institute. The Institute offers a page on the northern lights and space weather with current data.1

What does the Kp index tell me?

How strongly the magnetic field is disturbed. NOAA uses it to classify the strength of geomagnetic storms.8 For Rovaniemi, it is only a rough guide.

What is the best time to look up?

Mostly between 9 p.m. and 2 a.m. This is how Visit Finland describes the best window of a night in Finland.3

Is there a live camera for the sky?

Yes, Allsky cameras in the north. The University of Oulu shows current images from the cameras in Sodankylä and Abisko.2

Is a tour worth it if it is cloudy?

Yes, if it is flexible. The tour on this page drives toward clear skies and offers a money-back guarantee if the conditions make it impossible.

Can I see the northern lights in the middle of the city?

Sometimes, better outside the city. Even a short distance out of town makes a real difference, according to Visit Finland.6

Sources

What this guide is based on

  1. 1
    Finnish Meteorological InstituteAuroras and space weather
    ↩
  2. 2
    University of Oulu / Sodankyl Geophysical ObservatorySGO Real-time All-Sky Camera
    ↩
  3. 3↩
  4. 4↩
  5. 5↩
  6. 6↩
  7. 7↩
  8. 8
    NOAA / NWS Space Weather Prediction CenterPlanetary K-index
    ↩
  9. 9
    NOAA / NWS Space Weather Prediction CenterAurora - 30 Minute Forecast
    ↩
  10. 10↩
  11. 11
    Finnish Meteorological InstituteNorthern lights
    ↩
  12. 12↩

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