Winters in Greenford are cool and unpredictable, with temperatures often dropping below freezing point, averaging around 4-7°C. As the season progresses into spring, temperatures gradually rise, but still experience occasional cold snaps, reaching as low as -4°C. Summer brings warmth, with average highs of up to 30°C in July, although there can be notable temperature fluctuations throughout the month. Autumn is generally mild, but temperatures drop significantly by November, averaging around 8°C.