In June, Keflavik typically sees daytime highs of 10.7°C and overnight lows around 6.3°C. Compared to the annual average high of 6.8°C, June runs +3.9°C.
June in Keflavik averages a daytime high of 10.7°C and an overnight low of 6.3°C.
June runs +3.9°C compared to Keflavik's annual average high of 6.8°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 10.7°C and cooler evenings around 6.3°C.