Popular day trips
Northern lights hunting
Late August to mid-April, on clear dark nights — and you can start on foot.
The aurora season runs from roughly late August to mid-April. You need three things: darkness, a clear sky, and solar activity. The first two are the ones that usually fail you.
On foot from the hostel. Walk fifteen minutes along the bayside path away from the street lights and you have a genuine chance on a good night. Hvaleyrarvatn lake, 4.5 km south, is darker still.
By tour. Coach and boat tours chase the clear patches, which matters a lot in Icelandic weather. Most operators offer a free repeat if you see nothing on your first attempt — worth confirming when you book.
Check the forecast at vedur.is, which publishes both cloud cover and aurora activity (Kp index). A Kp of 3 is plenty this far north if the sky is clear.
Dress for standing still. Not walking — standing, for an hour, in wind. Thermal base layer, insulated jacket, hat, gloves, proper boots. Phone cameras handle aurora surprisingly well now; use night mode and brace against something solid.