In October, Saint Petersburg typically sees daytime highs of 7.5°C and overnight lows around 1.8°C. Compared to the annual average high of 8.0°C, October runs -0.5°C.
October in Saint Petersburg averages a daytime high of 7.5°C and an overnight low of 1.8°C.
October runs -0.5°C compared to Saint Petersburg's annual average high of 8.0°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 7.5°C and cooler evenings around 1.8°C.