Winters in South Brunswick are cold and variable, with temperatures often dipping below freezing, especially in January and February, but averaging around 1-0°C. Spring brings a gradual warming trend, with April being the warmest month of the season, averaging 12°C. Summer months, particularly June to August, experience mild temperatures, rarely dropping below 14°C or rising above 36°C, with July and August being the warmest. Autumn is characterized by cooling temperatures, with September and October experiencing a gentle decline in temperature averages, before November's drop back down to around 7°C. December's temperatures are similar to January's, suggesting a chill in the air at the end of the year.