St. Petersburg's winters are mild, with temperatures ranging from -3°C in February to 15°C on average in January. Spring brings gradual warming, with April and May averaging around 25°C. Summers are warm, with July and August temperatures consistently above 27°C, while September cools slightly but still reaches highs of up to 35°C. Autumn is characterized by a return to milder temperatures, similar to those experienced during the winter months, with November and December averaging around 19°C. Overall, temperature fluctuations throughout the year are relatively moderate, with averages rarely dipping below 4°C or rising above 36°C.