In July, Keflavik typically sees daytime highs of 12.3°C and overnight lows around 8.0°C. Compared to the annual average high of 6.8°C, July runs +5.5°C.
July in Keflavik averages a daytime high of 12.3°C and an overnight low of 8.0°C.
July runs +5.5°C compared to Keflavik's annual average high of 6.8°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 12.3°C and cooler evenings around 8.0°C.