In December, Stamford typically sees daytime highs of 4.3°C and overnight lows around -4.6°C. Compared to the annual average high of 15.7°C, December runs -11.4°C.
December in Stamford averages a daytime high of 4.3°C and an overnight low of -4.6°C.
December runs -11.4°C compared to Stamford's annual average high of 15.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 4.3°C and cooler evenings around -4.6°C.