Photo: Daphne Fecheyr / Unsplash
Thursday 29 October in Hirvensalmi, 17:18
Northern lights in Hirvensalmi
In Hirvensalmi the aurora can show from about Kp 6. 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 (92 % cloud cover even in the clearest hours), so the chance is low.
Hirvensalmi and the northern lights
Hirvensalmi is a municipality in Etelä-Savo, Finland, with 2,023 inhabitants. The municipal centre lies at 61.6° N. What counts for the aurora is the magnetic latitude, 58.9° here. Here the aurora can show from about Kp 6, against Kp 7 in Helsinki. Activity was that high in under 1% of the hours in 2014–2025.
It gets dark enough for the aurora every night except from 5 May to 6 August, with up to 15 hours of proper darkness a day in midwinter. Counting the darkness, that makes about 16 hours in a typical year with both darkness and enough activity, most of them in November. The clouds decide how many of them bring an aurora.
Tonight in Hirvensalmi, 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.
- 18:00–
- 19:00100 %
- 20:00100 %
- 21:00100 %
- 22:0089 %
- 23:0095 %
- 00:00100 %
- 01:00100 %
- 02:00100 %
- 03:00100 %
- 04:00100 %
- 05:00100 %
The next seven nights in Hirvensalmi
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.
- tonightLow12 hours darkOvercast all night92 % cloud coverKp max 2.3
- tomorrowLow12 hours darkOvercast all night95 % cloud coverKp max 5.0
- the day after tomorrowLow12 hours darkOvercast all night100 % cloud coverKp max 4.5
- SundayLow12 hours darkOvercast all night100 % cloud coverKp about 3.5Rough guess from NOAA’s long-range outlook
- MondayLow12 hours darkOvercast all night100 % cloud coverKp about 2.5Rough guess from NOAA’s long-range outlook
- TuesdayLow12 hours darkBest 01:00–03:0020 % cloud coverKp about 2.0Rough guess from NOAA’s long-range outlook
- WednesdayLow12 hours darkOvercast all night88 % cloud coverKp about 2.5Rough guess from NOAA’s long-range outlook
Plan a trip to Hirvensalmi
The next four weeks, night by night: activity, darkness and moon
- 30 Oct–1 NovWeak · Kp ≈ 5.0 · moon 62 %
The aurora forecast for Hirvensalmi on your website
- Tonight's aurora chance in Hirvensalmi, with the best hours
- Updates itself every hour
- Free with no sign-up: you just copy the code
- For cabins, hotels, campsites and tour operators
- In English or Norwegian, for your guests
When can you see the northern lights in Hirvensalmi?
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.
Here it takes Kp 6 or more, which is rare: on average only a few minutes a night. The best chance is in November, September and October. Activity peaks around the March and September equinoxes, the nights are longest in midwinter.
- <0.1 hJan
- <0.1 hFeb
- 0.1 hMar
- <0.1 hApr
- 0 hMay
- 0 hJun
- 0 hJul
- <0.1 hAug
- 0.1 hSep
- 0.1 hOct
- 0.1 hNov
- 0.1 hDec
Clouds are left out: on average cloud cover varies little from month to month, while it decides each single night. See the forecast above.
Questions about the northern lights in Hirvensalmi
Can I see the northern lights in Hirvensalmi today?
In Hirvensalmi the aurora can show from about Kp 6. 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 (92 % cloud cover even in the clearest hours), so the chance is low.
When is the northern lights season in Hirvensalmi?
In Hirvensalmi it gets dark enough for the aurora every night except from 5 May to 6 August, with up to 15 hours of proper darkness a day in midwinter. The best months are November, September and October, going by darkness and activity in 2014–2025.
What Kp do you need to see the northern lights in Hirvensalmi?
In Hirvensalmi the aurora can show from about Kp 6, against Kp 7 in Helsinki. Activity was that high in under 1% of the hours in 2014–2025. Counting the darkness, that makes about 16 hours in a typical year with both darkness and enough activity, most of them in November. The clouds decide how many of them bring an aurora.
When is it darkest in Hirvensalmi?
It is darkest in January, with 14 hours on average per day. The whole year by month: Jan 14 h, Feb 11 h, Mar 9 h, Apr 5 h, May 0 h, Jun 0 h, Jul 0 h, Aug 3 h, Sep 8 h, Oct 10 h, Nov 14 h, Dec 14 h.
