In June, Renton typically sees daytime highs of 20.9°C and overnight lows around 10.2°C. Compared to the annual average high of 15.2°C, June runs +5.6°C.
June in Renton averages a daytime high of 20.9°C and an overnight low of 10.2°C.
June runs +5.6°C compared to Renton's annual average high of 15.2°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 20.9°C and cooler evenings around 10.2°C.