In August, Watford typically sees daytime highs of 20.6°C and overnight lows around 12.0°C. Compared to the annual average high of 13.4°C, August runs +7.2°C.
August in Watford averages a daytime high of 20.6°C and an overnight low of 12.0°C.
August runs +7.2°C compared to Watford's annual average high of 13.4°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 20.6°C and cooler evenings around 12.0°C.