In July, Vientiane typically sees daytime highs of 31.7°C and overnight lows around 24.2°C. Compared to the annual average high of 31.3°C, July runs +0.4°C.
July in Vientiane averages a daytime high of 31.7°C and an overnight low of 24.2°C.
July runs +0.4°C compared to Vientiane's annual average high of 31.3°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 31.7°C and cooler evenings around 24.2°C.