In November, Portsmouth typically sees daytime highs of 16.4°C and overnight lows around 5.2°C. Compared to the annual average high of 20.6°C, November runs -4.2°C.
November in Portsmouth averages a daytime high of 16.4°C and an overnight low of 5.2°C.
November runs -4.2°C compared to Portsmouth's annual average high of 20.6°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 16.4°C and cooler evenings around 5.2°C.