Winters in Valladolid are chilly, with temperatures often below freezing and averaging around 2-6°C. Spring brings gradual warming, with average highs reaching 10-18°C by April-May, but occasional cooler days still occur. Summers are warm to hot, with July-August being the hottest months, frequently seeing temperatures above 30°C, while autumn is mild, with a mix of cool and warm days, averaging around 5-17°C in November-September.