Winters in West Seneca are cold, with temperatures often below freezing, averaging around -3°C in January and February. Spring brings a gradual warming trend, with temperatures rising to an average of 7°C by April. Summers are mild, with July and August averaging around 20-21°C, while September's temperature drops back down to an average of 16°C. Autumns are relatively cool, with October and November averaging around 14-6°C.