Weather

Iceland Weather in December: Festive Darkness & Winter Magic

The darkest month—festive Reykjavík, cozy cafés, and classic winter atmosphere with aurora chances on clear nights.

Last reviewed February 1, 2026By the Iceland.org Travel TeamEditorial policy
Daylight
4–5h

Sunrise ~11:22, sunset ~15:29 (Reykjavík, winter solstice Dec 21). Shortest day ~4 hrs. Plan outdoor activities 11:00–15:00.

Temperatures
-2 to 3°C (28–37°F)

Avg precipitation 79 mm, avg wind 25 km/h. Snow likely everywhere. Blizzards possible — storms can last 1–3 days. Wind chill to -15°C.

Vibe
Festive darkness

Holiday lights, warm pools, and dark skies.

Best for

  • Northern lights — 20 hours of darkness, prime viewing on clear nights
  • Ice cave tours in Vatnajökull glacier (peak season)
  • Icelandic Christmas traditions — 13 Yule Lads arrive Dec 12–24
  • New Year's Eve in Reykjavík — legendary fireworks and bonfires
  • Hot springs and lagoons (Blue Lagoon, Sky Lagoon, Mývatn Nature Baths)
  • Glacier hiking on Sólheimajökull or Svínafellsjökull (year-round)

Pack list

  • Thermal base layer (merino wool) + insulated midlayer (down or fleece)
  • Waterproof windproof outer shell (Gore-Tex or similar)
  • Waterproof insulated boots with good grip + microspikes/crampons
  • Warm gloves (2 pairs), beanie, buff/balaclava
  • Hand warmers and headlamp (essential for 20-hour darkness)
  • Swimsuit for hot springs and lagoons

Planning help

December Weather FAQs

Quick answers with safety notes where it matters.