In November, Portsmouth typically sees daytime highs of 9.7°C and overnight lows around 4.4°C. Compared to the annual average high of 13.2°C, November runs -3.6°C.
November in Portsmouth averages a daytime high of 9.7°C and an overnight low of 4.4°C.
November runs -3.6°C compared to Portsmouth's annual average high of 13.2°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 9.7°C and cooler evenings around 4.4°C.