May to June and September: temperatures hover around 18–22°C, rain is sporadic, and the city is not overrun. The late-May Weserbergland summer openin…
April and October. April is often dry enough for cycling along the Weser, and hotel rates drop 15–20% from summer highs. October…
Come in early June or September: the weather is reliable, crowds are light, and hotel prices stay reasonable.