✦ Aurora Forecast AI

Brittany: Northern Lights Tonight, City by City

Aurora season in Brittany runs from October to March.

Brittany tonight

Low

Aurora chance tonight, Brittany overall: Low. Best place: Rennes, 11:00 PM–3:00 AM.

Current Kp0.3
Max Kp tonight5.0
PlaceAurora ScoreBest viewing windowCloud coverMin Kp
Rennes36Low11:00 PM–3:00 AM0%7
Brest29Low10:00 PM–1:00 AM35%7

Brittany: the next nights

Tonight

Low

Rennes · Aurora Score 36

11:00 PM–3:00 AM

Tomorrow night

Unlikely

Brest · Aurora Score 19

11:00 PM–3:00 AM

In 2 nights

Unlikely

Brest · Aurora Score 19

11:00 PM–1:00 AM

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Brittany in numbers

Cities on this site
2
Latitude
48.1°–48.4°
Geomagnetic latitude
43.5°–44.0°
Min Kp
7
Aurora zone
Low latitude

Best Months to See the Northern Lights in Brittany

Best: October to March Peak: January, February and December
October November December January February March

The aurora season in Brittany usually runs from October to March.

Where the odds are best in Brittany

PlaceAurora zoneMin KpGeomagnetic latitudeSeason
🇫🇷BrestBrittanyLow latitude744.0°October to March
🇫🇷RennesBrittanyLow latitude743.5°October to March

Other regions in France

Frequently Asked Questions

Can you see the Northern Lights in Brittany tonight?

Brittany: it depends on tonight's sky more than on where you are — every place here needs about Kp 7. Beyond that it takes a clear, dark sky: cloud blocks aurora at any Kp. The table at the top of this page has tonight's forecast city by city.

What Kp index is needed to see the Northern Lights in Brittany?

Brittany: about Kp 7 everywhere. The places on this site sit at similar geomagnetic latitudes, so the threshold is the same. Kp is a probability signal, not a guarantee — it still takes a clear, dark sky.

What are the best months to see the Northern Lights in Brittany?

The best months to see the Northern Lights in Brittany are typically October to March, when nights are darker and aurora viewing conditions are better.

Where is the best place to see the Northern Lights in Brittany?

Brittany: geomagnetically its places are about equal — each needs about Kp 7. What decides the night is cloud and darkness: pick the clearest sky and get away from city lights.