In March, Boise typically sees daytime highs of 9.9°C and overnight lows around -2.4°C. Compared to the annual average high of 15.8°C, March runs -5.9°C.
March in Boise averages a daytime high of 9.9°C and an overnight low of -2.4°C.
March runs -5.9°C compared to Boise's annual average high of 15.8°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 9.9°C and cooler evenings around -2.4°C.