With a population of around 107,000, Siegen sits in North Rhine-Westphalia, Germany. The city operates in the Central European time zone.
Recent weather here gives a sense of typical conditions: in 2025, Siegen recorded a mean annual temperature of 50°F, ranging from 5°F lows in January to 94°F highs in July, with about 33 inches of precipitation across the year.
View historical weather for Siegen · More cities in North Rhine-Westphalia