In October, St. Petersburg typically sees daytime highs of 27.9°C and overnight lows around 19.5°C. Compared to the annual average high of 26.6°C, October runs +1.3°C.
October in St. Petersburg averages a daytime high of 27.9°C and an overnight low of 19.5°C.
October runs +1.3°C compared to St. Petersburg's annual average high of 26.6°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 27.9°C and cooler evenings around 19.5°C.