East Brunswick's winters are cold and occasionally below freezing, with temperatures often ranging from -9°C to 12°C. Spring brings moderate temperatures, gradually warming up to average highs around 28°C in March and 31°C in April. Summer is warm but not sweltering, with July and August averaging around 25°C. Autumn is mild, with September's temperature range similar to spring's, followed by a cooling trend into November's chilly days. Winter temperatures return, with December averages hovering just above freezing.