In January, Weymouth typically sees daytime highs of 7.0°C and overnight lows around 3.3°C. Compared to the annual average high of 12.9°C, January runs -5.9°C.
January in Weymouth averages a daytime high of 7.0°C and an overnight low of 3.3°C.
January runs -5.9°C compared to Weymouth's annual average high of 12.9°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 7.0°C and cooler evenings around 3.3°C.