Northern lights in Sapporo tonight
Hokkaido, Japan · 37° magnetic latitude · Kp 8-9 threshold
Kp 1 is well below the Kp 8-9 threshold needed for aurora to be visible from Sapporo.
7-day outlook for Sapporo
Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.
auroratonight.space
What Kp is needed here?
Sapporo sits at a magnetic latitude of approximately 37°N. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 8-9 before the auroral oval expands far enough south to be visible from here.
At Kp 8-9, visibility is possible from Sapporo but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.
Best dark sky sites near Sapporo
Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.
Jozankei
Get directions ↗A hot spring resort valley 30 km south of Sapporo on Route 230. The valley is cut into the Hokkaido uplands with mountain ridges blocking city light from Sapporo to the north. Hot spring hotels operate year-round, giving access to the valley at night. The river corridor faces north with an open sky above the canyon walls.
Shikotsu-Toya National Park
Get directions ↗60-80 km southwest of Sapporo, centered on two volcanic caldera lakes - Shikotsu and Toya. The lakeshores face open water with minimal light pollution. Lake Shikotsu's north shore gives north-facing sky across the lake toward the mountains. The park operates year-round with accommodation at Shikotsu-ko Onsen.
Rusutsu
Get directions ↗A ski resort area on the Shiribeshi plateau, 60 km west of Sapporo on the Hokkaido Expressway. Elevation at 300-900 m reduces atmospheric absorption. The plateau sits above the coastal plain, which means Sapporo's light dome is below the horizon to the east. North-facing slopes give open sky.
Best time to see the northern lights in Sapporo
At 37°N magnetic latitude, Sapporo sits at the lower end of regular aurora territory. Only the deep mid-winter months of November through January offer nights dark enough for aurora to be visible, and only then when a significant geomagnetic storm pushes the auroral oval this far south.
Activity peaks around the September and March equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. Events during these two windows tend to produce the strongest displays of the year for observers at Sapporo's latitude.
Outside November through January, twilight is too bright for aurora viewing even during significant storms. The season is short, but the equinox months on either side of winter can extend it slightly when storm timing aligns.
How often does the aurora appear in Sapporo?
Average nights per month the Kp reached Sapporo's threshold of 8+, from 15 years of geomagnetic data (2010–2024).
Counts the Kp 8+ threshold only - cloud cover and local darkness are not included.
Kp data: GFZ German Research Centre for Geosciences, CC BY 4.0
Plan your trip to Sapporo
Aurora is rare at this latitude - conditions require Kp 8+. No month reaches a meaningful average.
Related pages
Northern Lights Japan
Japan aurora hub - Hokkaido forecast and threshold guide.
Read →Northern Lights Abashiri Tonight
Abashiri - northeast Hokkaido coast, same Kp 8-9 threshold as Sapporo.
Read →Northern Lights Wakkanai Tonight
Wakkanai - Japan's northernmost city, slightly lower Kp 7-8 threshold.
Read →What Is the Kp Index?
What Kp 8-9 means for aurora viewing at ~37° geomagnetic latitude.
Read →Northern Lights Viewing Tips
How to plan an aurora watch and find dark sites.
Read →Aurora photographs from Sapporo
Real photos sourced from Wikimedia Commons.
Planning your aurora trip
In-depth guides to help you plan a trip to see the northern lights.
Travel Guide Japan Northern Lights Japan - Aurora Viewing Guide for Hokkaido
Wakkanai, Abashiri, and Hokkaido - where to see the northern lights in Japan, what Kp storm you need, and how to approach it as a winter trip bonus.
Travel Guide All destinations How to Plan a Northern Lights Trip
Destination, timing, accommodation, app setup, and how to read a space weather forecast.
Planning All destinations Best Time to See the Northern Lights
Month-by-month breakdown of aurora probability, darkness windows, and weather patterns.










