In March, Union typically sees daytime highs of 9.5°C and overnight lows around -1.2°C. Compared to the annual average high of 16.8°C, March runs -7.3°C.
March in Union averages a daytime high of 9.5°C and an overnight low of -1.2°C.
March runs -7.3°C compared to Union's annual average high of 16.8°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 9.5°C and cooler evenings around -1.2°C.