Chang'an's spring is mild and gentle, with temperatures gradually warming up from the cooler winter months. In March, the average temperature is around 16°C, with highs ranging from 15°C to 17°C, setting a pleasant tone for the season. Summer brings hot and humid weather, with July being the warmest month, while autumn is characterized by comfortable temperatures, with September often being the most pleasant. Winter is generally cold, with January being the coldest month, but temperatures can fluctuate significantly from year to year.