In April, Lethbridge typically sees daytime highs of 11.5°C and overnight lows around -1.8°C. Compared to the annual average high of 11.9°C, April runs -0.4°C.
April in Lethbridge averages a daytime high of 11.5°C and an overnight low of -1.8°C.
April runs -0.4°C compared to Lethbridge's annual average high of 11.9°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 11.5°C and cooler evenings around -1.8°C.