In July, Viana typically sees daytime highs of 25.7°C and overnight lows around 17.1°C. Compared to the annual average high of 28.6°C, July runs -2.8°C.
July in Viana averages a daytime high of 25.7°C and an overnight low of 17.1°C.
July runs -2.8°C compared to Viana's annual average high of 28.6°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 25.7°C and cooler evenings around 17.1°C.