In August, Bolton typically sees daytime highs of 18.1°C and overnight lows around 11.1°C. Compared to the annual average high of 11.6°C, August runs +6.5°C.
August in Bolton averages a daytime high of 18.1°C and an overnight low of 11.1°C.
August runs +6.5°C compared to Bolton's annual average high of 11.6°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 11.1°C.