In January, St. John's typically sees daytime highs of -0.1°C and overnight lows around -6.7°C. Compared to the annual average high of 9.1°C, January runs -9.2°C.
January in St. John's averages a daytime high of -0.1°C and an overnight low of -6.7°C.
January runs -9.2°C compared to St. John's's annual average high of 9.1°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near -0.1°C and cooler evenings around -6.7°C.