In January, Wyoming typically sees daytime highs of -1.2°C and overnight lows around -9.5°C. Compared to the annual average high of 14.5°C, January runs -15.7°C.
January in Wyoming averages a daytime high of -1.2°C and an overnight low of -9.5°C.
January runs -15.7°C compared to Wyoming's annual average high of 14.5°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near -1.2°C and cooler evenings around -9.5°C.