Average monthly water temperature in Reykjavík, Iceland
On this page you find the mean water temperature over the year in Reykjavík (Capital Region), Iceland. Dive into the water temperature trends, highlighting the best times for swimming and other activities.
Water temperatures in Reykjavík stay on the cooler side throughout the year. The warmest month, August, averages 11°C.
The coldest water temperature month is March, averaging 6°C. These cooler conditions are not the best for swimming enthusiasts.