In August, Roseville typically sees daytime highs of 34.1°C and overnight lows around 15.5°C. Compared to the annual average high of 23.8°C, August runs +10.3°C.
August in Roseville averages a daytime high of 34.1°C and an overnight low of 15.5°C.
August runs +10.3°C compared to Roseville's annual average high of 23.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 34.1°C and cooler evenings around 15.5°C.