Aurora Borealis in Värnamo

Sweden · 57.19°, 14.04° · geomagnetic 56.5° · needs Kp 7

Tonight's aurora forecast for Värnamo

14%

Peak chance of a visible display tonight, from the same model the Revon app runs. Värnamo needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 4.8. Short of the threshold, which is what most nights look like here.

Tonight Tue 08 Sep
14%
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:36 UTC

Local aurora guide for Värnamo

Värnamo is located at 56.5° geomagnetic latitude. Auroras visible here typically require a Kp index of 7 or higher.

On average, there are about 2.5 nights per year with conditions suitable for aurora viewing in this region. These opportunities have been recorded between April 2, 2016, and March 30, 2026.

The best months for aurora viewing in Värnamo are September, November, and August. These months offer the longest periods of darkness.

During May, June, and July, there is no full darkness due to the high latitude, which can impact viewing opportunities.

The Värnamo area has a Bortle scale rating of 4, indicating a relatively dark sky. Areas with Bortle 4 conditions can be found 8 km north-north-west of Värnamo.

Notable features around Värnamo include the lake Nästasjön, 6.6 km west-north-west, and the island Tö, 7.0 km east. Other features include Herrestadsjön lake to the west, the island Ålnö to the east-north-east, and the mountain Fägeråsen to the north-west.

There have been 7 verified aurora reports within 300 km of Värnamo between January 1, 2015, and December 31, 2016.

Notable qualifying nights with high Kp values include March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67). Additional significant nights were November 12, 2025 (Kp 7.33) and November 11, 2025 (Kp 8.67).

Sources: Revon location dataset · Revon analysis of NOAA planetary Kp · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports

Know when it is worth going outside

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Nearby towns

Forecasts for places within reach of Värnamo.