Blue Lagoon in December

Outside the best window (All year – water stays warm; summer offers longer daylight.). Across Iceland: Darkest month, Christmas lights and fireworks; storms can close roads for days.

December is rated mixed. These months rate higher:

• MarchGoodOutside the best window (All year – water stays warm; summer offers longer daylight.). Across Iceland: Balance of light and dark: auroras plus 11–13 h of day; Easter in late March 2027.
• AprilGoodOutside the best window (All year – water stays warm; summer offers longer daylight.). Across Iceland: Quiet shoulder month; snow lingers in the north; puffins arrive late in the month.
• MayGoodOutside the best window (All year – water stays warm; summer offers longer daylight.). Across Iceland: Long days, puffins, fewer crowds; highlands still closed.
• JuneGoodOutside the best window (All year – water stays warm; summer offers longer daylight.). Across Iceland: Near-constant light, open roads, National Day on the 17th; highland roads open late in the month.

• Blue LagoonHighs around 3 °C (37 °F), lows around -2 °C (28 °F), rain on about 16 daysHighs around 37 °F (3 °C), lows around 28 °F (-2 °C), rain on about 16 days

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

• Christmas and New Year big impact

  24–26 Dec, 31 Dec – 1 Jan · Iceland

  Shops and restaurants close from mid-afternoon on the 24th and 31st; huge private fireworks on New Year's Eve.

Crowds · Iceland overall

Medium

Prices · Iceland overall

High

Iceland overall: Darkest month, Christmas lights and fireworks; storms can close roads for days.

High-price month: see what to book ahead.

Weather, crowds and prices for any two months in Blue Lagoon, side by side.

• A warm coat, hat and gloves for mornings and evenings
• A rain jacket or umbrella and shoes that dry fast

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