When to go
The season runs September to April. In the Met Office archive, September–October are the cloudiest months across Iceland, while Mývatn is clearer than Reykjavík from January on, with February its clearest month.
That makes February–March the most sensible window for Mývatn. In midwinter daylight is very short and roads close more often.
Weather and clouds
Mývatn is inland, away from the coast. The north coast is one of Iceland's cloudiest regions, but the lake area does statistically better.
The difference is modest; the real advantage is darkness. Watch the vedur.is cloud map for nights when the northeast is clear.
Where to watch
Reykjahlíð, the village by the lake, is small; a few minutes' drive takes you into full darkness.
- Around Hverfjall crater: A wide, open horizon and a volcanic silhouette.
- Námaskarð / Hverir: A steaming geothermal field; striking foreground, but stay on marked paths.
- Around the Mývatn Nature Baths: Popular for watching the sky from warm water.
- Goðafoss: About 40 minutes west, with a waterfall foreground.
Getting there and where to stay
Mývatn is about an hour's drive from Akureyri. There are a limited number of hotels and guesthouses around the lake, which can fill early in winter.
A car is close to essential. Local operators run aurora hunts from around Reykjahlíð; some offer free cancellation or rebooking when the odds are low.
Safety and cold
In geothermal areas the crust can be thin with boiling water beneath; never leave marked paths in the dark.
Winter roads in north Iceland close often. Check road.is and Safetravel before setting off, and refuel at every opportunity.