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Thursday 29 October in Rovaniemi, 16:56

Northern lights in Rovaniemi

In Rovaniemi the aurora can show from about Kp 4. Tonight's forecast is Kp 2.3, and right now it is 0.3. Tonight there are 12 hours of proper darkness. It looks overcast all night (100 % cloud cover even in the clearest hours), so the chance is low.

Chance tonightLowOvercast all night · 100 % cloud coverDarkness tonight12 hSunset 15:56Best nightNone yetA low chance for the nights the Kp forecast coversKp tonight2.3Visible here from Kp 4 · now 0.3
Sunrise 08:04Drag through the daySunset 15:56

Tonight in Rovaniemi, hour by hour

When it is dark enough, how cloudy it is, and the chance each hour from the Kp forecast and the cloud cover. Hours already gone have no forecast.

  1. 18:00100 %
  2. 19:00100 %
  3. 20:00100 %
  4. 21:00100 %
  5. 22:00100 %
  6. 23:00100 %
  7. 00:00100 %
  8. 01:00100 %
  9. 02:00100 %
  10. 03:00100 %
  11. 04:00100 %
  12. 05:00100 %
Dark enoughToo lightHigh chanceModerateLowMoonlight (83 % full) dims a faint auroraOvercast all night

The next seven nights in Rovaniemi

Darkness, cloud and the chance for each night. The Kp forecast reaches three nights; the dashed nights after rest on NOAA’s long-range outlook and are only a pointer.

  1. tonightLow12 hours darkOvercast all night100 % cloud coverKp max 2.3
  2. tomorrowLow12 hours darkBest 18:00–20:0031 % cloud coverKp max 5.0
  3. the day after tomorrowLow12 hours darkOvercast all night100 % cloud coverKp max 4.5
  4. SundayLow12 hours darkOvercast all night97 % cloud coverKp about 3.5Rough guess from NOAA’s long-range outlook
  5. MondayLow12 hours darkOvercast all night100 % cloud coverKp about 2.5Rough guess from NOAA’s long-range outlook
  6. TuesdayLow12 hours darkBest 19:00–21:0014 % cloud coverKp about 2.0Rough guess from NOAA’s long-range outlook
  7. WednesdayLow12 hours darkBest 01:00–03:0018 % cloud coverKp about 2.5Rough guess from NOAA’s long-range outlook

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The next four weeks, night by night: activity, darkness and moon

  • 30 Oct–1 NovPossible · Kp ≈ 5.0 · moon 62 %
  • 16 Nov–18 NovPossible · Kp ≈ 4.0 · moon 55 %
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When can you see the northern lights in Rovaniemi?

The aurora needs both darkness and enough activity on the sun. Each column is a day: dark blue is the hours that are dark enough, green those of them when activity has been high enough here, on average 2014–2025.

Best here: November, October and December. Activity peaks around the March and September equinoxes, the nights are longest in midwinter.

  1. 0.5 hJan
  2. 0.8 hFeb
  3. 0.8 hMar
  4. 0.2 hApr
  5. 0 hMay
  6. 0 hJun
  7. 0 hJul
  8. 0 hAug
  9. 0.8 hSep
  10. 1.0 hOct
  11. 1.0 hNov
  12. 0.9 hDec
Light or twilightDark enough (dark blue and green together)Of those, with enough activity (Kp 4 or more), average 2014–2025Best months

Clouds are left out: on average cloud cover varies little from month to month, while it decides each single night. See the forecast above.

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Questions about the northern lights in Rovaniemi

Can I see the northern lights in Rovaniemi today?

In Rovaniemi the aurora can show from about Kp 4. Tonight's forecast is Kp 2.3, and right now it is 0.3. Tonight there are 12 hours of proper darkness. It looks overcast all night (100 % cloud cover even in the clearest hours), so the chance is low.

When is it darkest in Rovaniemi?

It is darkest in January, with 15 hours on average per day. The whole year by month: Jan 15 h, Feb 11 h, Mar 9 h, Apr 3 h, May 0 h, Jun 0 h, Jul 0 h, Aug 0 h, Sep 7 h, Oct 10 h, Nov 14 h, Dec 15 h.

What are the northern lights?

The northern lights are light in the sky made when charged particles from the sun meet the atmosphere around Earth. Oxygen gives green light, and higher up it can turn red. In Norwegian they are called nordlys.

What is the Kp index?

The Kp index measures how strong geomagnetic activity is, on a scale from 0 to 9. The higher the number, the further south the aurora reaches. Nordlyskart shows the current value and the forecast from NOAA.

Frequently asked questions →