In February, Portsmouth typically sees daytime highs of 10.7°C and overnight lows around -0.1°C. Compared to the annual average high of 20.6°C, February runs -9.8°C.
February in Portsmouth averages a daytime high of 10.7°C and an overnight low of -0.1°C.
February runs -9.8°C compared to Portsmouth's annual average high of 20.6°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 10.7°C and cooler evenings around -0.1°C.