In June, Simi Valley typically sees daytime highs of 25.6°C and overnight lows around 12.8°C. Compared to the annual average high of 22.3°C, June runs +3.3°C.
June in Simi Valley averages a daytime high of 25.6°C and an overnight low of 12.8°C.
June runs +3.3°C compared to Simi Valley's annual average high of 22.3°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 25.6°C and cooler evenings around 12.8°C.