In October, Hanoi typically sees daytime highs of 29.1°C and overnight lows around 21.7°C. Compared to the annual average high of 27.6°C, October runs +1.5°C.
October in Hanoi averages a daytime high of 29.1°C and an overnight low of 21.7°C.
October runs +1.5°C compared to Hanoi's annual average high of 27.6°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 29.1°C and cooler evenings around 21.7°C.