In October, Terni typically sees daytime highs of 18.9°C and overnight lows around 8.4°C. Compared to the annual average high of 18.4°C, October runs +0.4°C.
October in Terni averages a daytime high of 18.9°C and an overnight low of 8.4°C.
October runs +0.4°C compared to Terni's annual average high of 18.4°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 18.9°C and cooler evenings around 8.4°C.