In May, Saint Petersburg typically sees daytime highs of 14.8°C and overnight lows around 4.2°C. Compared to the annual average high of 8.0°C, May runs +6.8°C.
May in Saint Petersburg averages a daytime high of 14.8°C and an overnight low of 4.2°C.
May runs +6.8°C compared to Saint Petersburg's annual average high of 8.0°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 14.8°C and cooler evenings around 4.2°C.