In August, Northampton typically sees daytime highs of 20.1°C and overnight lows around 11.3°C. Compared to the annual average high of 12.8°C, August runs +7.3°C.
August in Northampton averages a daytime high of 20.1°C and an overnight low of 11.3°C.
August runs +7.3°C compared to Northampton's annual average high of 12.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 20.1°C and cooler evenings around 11.3°C.