Weather
Average highs sit around 10°C with lows near 4°C. Rainfall is moderate; the odd shower is likely.
Crowds & demand
Crowd levels are Moderate for Reykjavík — manageable crowds at the big attractions.
Prices & value
Prices run mid-range this month: prices close to the yearly average.
Events & what’s on
No major festivals fall in May, so the destination feels like its everyday self.
The verdict
May is a strong choice for Reykjavík: 10° / 4°, with manageable crowds at the big attractions and prices close to the yearly average.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated July 2026
