Winters in Roskilde are cold and variable, with temperatures often fluctuating between freezing and mild days. The coldest months, January and February, bring occasional dips below -10°C, but average temperatures remain around 0°C. As the season progresses, temperatures gradually rise, with March marking a significant increase towards spring-like conditions. Spring is a time of rapid warming, with April and May temperatures soaring upwards to averages of 6-11°C. By summer, June to August, temperatures are warm to hot, often reaching highs above 25°C, but with an average temperature hovering around 18-20°C.