In August, Swindon typically sees daytime highs of 19.9°C and overnight lows around 11.6°C. Compared to the annual average high of 12.9°C, August runs +7.0°C.
August in Swindon averages a daytime high of 19.9°C and an overnight low of 11.6°C.
August runs +7.0°C compared to Swindon's annual average high of 12.9°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 19.9°C and cooler evenings around 11.6°C.