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When to go · Blue Lagoon

Blue Lagoon in April

Good month. 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.

Key facts

Verdict
Good
Temperature
7°C (45°F) / 0°C (32°F)
average high / low
Rain days
11
Crowds
Low
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: Quiet shoulder month; snow lingers in the north; puffins arrive late in the month.

Is another month better than April?

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

Weather in April

Long-term averages
  • Blue LagoonHighs around 7 °C (45 °F), lows around 0 °C (32 °F), rain on about 11 days

Crowds and prices

Crowds · Iceland overall
Low
Prices · Iceland overall
Medium

Iceland overall: Quiet shoulder month; snow lingers in the north; puffins arrive late in the month.

Compare two months

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

  • Verdict

    Apr: Good

    Mar: Good

  • Daytime high

    Apr: 7 °C (45 °F)

    Mar: 4 °C (39 °F)

  • Night low

    Apr: 0 °C (32 °F)

    Mar: -2 °C (28 °F)

  • Rain days

    Apr: 11 (better)

    Mar: 12

  • Crowds

    Apr: Low

    Mar: Medium

  • Prices

    Apr: Medium

    Mar: Medium

  • Festivals listed

    Apr: 0

    Mar: 0

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.

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.

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 April →