In January, Johnson City typically sees daytime highs of 7.8°C and overnight lows around -3.4°C. Compared to the annual average high of 19.7°C, January runs -11.8°C.
January in Johnson City averages a daytime high of 7.8°C and an overnight low of -3.4°C.
January runs -11.8°C compared to Johnson City's annual average high of 19.7°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 7.8°C and cooler evenings around -3.4°C.