In April, Vientiane typically sees daytime highs of 34.6°C and overnight lows around 23.0°C. Compared to the annual average high of 31.3°C, April runs +3.3°C.
April in Vientiane averages a daytime high of 34.6°C and an overnight low of 23.0°C.
April runs +3.3°C compared to Vientiane's annual average high of 31.3°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 34.6°C and cooler evenings around 23.0°C.