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When to go · Blue Lagoon

Blue Lagoon in March

Good month. Outside 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.

Key facts

Verdict
Good
Temperature
4°C (39°F) / −2°C (28°F)
average high / low
Rain days
12
Crowds
Medium
Iceland overall
Prices
Medium
Iceland overall

Verdict

GoodIceland month rating

Outside 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.

Is another month better than March?

No other month rates higher than March for Blue Lagoon in this guide.

Weather in March

Long-term averages
  • Blue LagoonHighs around 4 °C (39 °F), lows around -2 °C (28 °F), rain on about 12 days

Crowds and prices

Crowds · Iceland overall
Medium
Prices · Iceland overall
Medium

Iceland overall: Balance of light and dark: auroras plus 11–13 h of day; Easter in late March 2027.

Compare two months

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

  • Verdict

    Mar: Good

    Apr: Good

  • Daytime high

    Mar: 4 °C (39 °F)

    Apr: 7 °C (45 °F)

  • Night low

    Mar: -2 °C (28 °F)

    Apr: 0 °C (32 °F)

  • Rain days

    Mar: 12

    Apr: 11 (better)

  • Crowds

    Mar: Medium

    Apr: Low

  • Prices

    Mar: Medium

    Apr: Medium

  • Festivals listed

    Mar: 0

    Apr: 0

March: Outside 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.

April: Outside 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.

Blue Lagoon: figures are long-term averages from this guide, not a forecast.

What to pack

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

Build the full packing list for your trip →

Across Iceland in March →