Temperature
Cool by day, brisk at night.
54°Ftypical Aug high
Reykjavík is most comfortable during summer. Summers are cool and winters are cold. Precipitation is frequent in most months. Humidity is usually low.

Cool by day, brisk at night.
Recurring showers across the month.
Cloudier spells limit sunshine.
Humidity is rarely noticeable in the cool air.
Mostly cloudy skies.
Want a side-by-side climate view? Compare Reykjavík with Tromso.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology