Valjevo's climate is characterized by cold winters, mild springs and autumns, and warm summers. The coldest months are January and December, with average temperatures ranging from 4-6°C, while the warmest month is July, with an average temperature of 25°C. Spring (April-May) and autumn (September-October) bring moderate temperatures, often between 10-16°C, suitable for outdoor activities. Summer months (June-August) are hot, with temperatures frequently reaching above 30°C, while winter nights can be quite chilly, dipping below 0°C. Overall, the temperature fluctuations throughout the year create a distinct seasonal pattern in Valjevo.