Darkness windows, moon phases and peak viewing hours — plus tonight's live window for your location.
The aurora only appears in darkness — which means Iceland's legendary summer midnight sun completely prevents viewing from around late April to mid-August. The aurora season runs from late August through April, with the peak months being October–February.
Rapidly increasing darkness. Active aurora season begins. Clear skies relatively common. Shoulder season prices.
Maximum darkness — up to 19 hours in Reykjavík. Cold but best chances for all-night displays. Peak tourist season.
Statistically the most aurora active months globally. Longer days returning but still plenty of darkness. Good balance.
Last chance of the season. Early April still has usable darkness. Display quality can be excellent but nights are short.
The aurora is most frequently active around geomagnetic midnight — roughly 22:00–02:00 local time in Iceland. This is when the auroral zone passes directly overhead.
However, substorms can trigger at any time. The habit of successful aurora hunters is to be outside during the full dark window and to monitor the forecast with a live app rather than going out on a schedule.
The Moon doesn't affect whether the aurora appears, but it affects how dramatic it looks:
Any dark location away from city lights works. Iceland's relatively compact road network makes this easy: