Winters in Vratsa are cold and unpredictable, with temperatures fluctuating between freezing and mild days. January is the coldest month, with average temperatures around 2°C, while February's lows can drop as low as -19°C. Spring brings a gradual warming trend, with April and May experiencing increasingly warm temperatures, often reaching highs above 20°C. Summers are hot, especially in June and July, when temperatures can soar up to 38-39°C, but also see cooler nights around 10-11°C. Autumn is generally mild, with September and October averaging around 9-17°C, before cooling down again in November and December.