Weather in Iceland in Mei
Country-wide climate normals across 15 cities in Iceland.
How Hot Is Iceland in Mei?
Iceland sees uniform cool weather in May: highs cluster around 8°C from Ísafjörður to Selfoss.
Sunshine in Iceland in Mei
Iceland's May brings mixed skies — Reykjavík averages 3.1h of sun, with similar conditions nationwide. Cloudy periods alternate with sunny stretches, and the sun is up between 4:10 am and 10:40 pm. Plan for variability rather than guaranteed sunshine.
Does It Rain In Iceland In Mei?
Wet conditions dominate Iceland in May — Reykjavík sees 115mm of rain across 16 days, with rain a near-daily feature in most regions. Some areas see considerably more, particularly mountain-facing or windward coasts. Plan around frequent showers and pack reliable rainwear.
Is Iceland Humid In Mei?
Saturated air defines Iceland's May: humidity at 76% in Reykjavík, with the country as a whole feeling muggy and oppressive. The air practically drips after rain, and even shaded outdoor areas feel warm and clammy. Plan indoor time during the most humid afternoon hours.
Wind In Iceland In Mei
Iceland sees consistent breezes in May — averaging 24 kph in Reykjavík, with similar windy conditions across most regions. Coastal and exposed inland cities often see considerably more, especially in the afternoons. Wind-sensitive plans should factor this in.
Cloud Cover In Iceland In Mei
Cloudy skies dominate Iceland in May — 73% cover in Reykjavík, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.