When to go · May

Iceland in May

Excellent time to go

Puffins arrive

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Daytime high

10°C

50°F

Overnight low

4°C

39°F

Rainfall

40 mm

dry

Crowd levels

medium

manageable

Prices

medium

shoulder

What to expect in Iceland in May

May brings cool weather to Iceland, with daytime highs around 10°C (50°F) and overnight lows near 4°C (39°F). Skies are typically dry with occasional showers, with about 40 mm of rainfall on average. Puffins arrive.

Crowds are manageable in May — busy in popular areas but not overwhelming. Prices sit in the shoulder-season range — not the cheapest, but well off peak. Peak season runs June–August, for context.

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