In June, Rennes typically sees daytime highs of 21.3°C and overnight lows around 10.6°C. Compared to the annual average high of 15.3°C, June runs +5.9°C.
June in Rennes averages a daytime high of 21.3°C and an overnight low of 10.6°C.
June runs +5.9°C compared to Rennes's annual average high of 15.3°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 21.3°C and cooler evenings around 10.6°C.