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When to go · Blue Lagoon

Blue Lagoon in June

Good month. Outside 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.

Key facts

Verdict
Good
Temperature
13°C (55°F) / 6°C (43°F)
average high / low
Rain days
8
Crowds
High
Iceland overall
Prices
High
Iceland overall

Verdict

GoodIceland month rating

Outside 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.

Is another month better than June?

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

Weather in June

Long-term averages
  • Blue LagoonHighs around 13 °C (55 °F), lows around 6 °C (43 °F), rain on about 8 days

Crowds and prices

Crowds · Iceland overall
High
Prices · Iceland overall
High

Iceland overall: Near-constant light, open roads, National Day on the 17th; highland roads open late in the month.

High-price month: see what to book ahead.

Compare two months

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

  • Verdict

    Jun: Good

    Mar: Good

  • Daytime high

    Jun: 13 °C (55 °F)

    Mar: 4 °C (39 °F)

  • Night low

    Jun: 6 °C (43 °F)

    Mar: -2 °C (28 °F)

  • Rain days

    Jun: 8 (better)

    Mar: 12

  • Crowds

    Jun: High

    Mar: Medium

  • Prices

    Jun: High

    Mar: Medium

  • Festivals listed

    Jun: 0

    Mar: 0

June: Outside 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.

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 layer for the evenings

Build the full packing list for your trip →

Across Iceland in June →