July in Reykjavík averages a daily high of 14.9°C with nights around 9.1°C. Expect roughly 15.3 wet days totalling 58.8mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Reykjavík is June–August.
Based on REYKJAVIK, IC (1km), 1995–2024. 30 years of July data.