In April, McAllen typically sees daytime highs of 30.5°C and overnight lows around 18.3°C. Compared to the annual average high of 29.5°C, April runs +1.0°C.
April in McAllen averages a daytime high of 30.5°C and an overnight low of 18.3°C.
April runs +1.0°C compared to McAllen's annual average high of 29.5°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 30.5°C and cooler evenings around 18.3°C.