The weather in July is slightly dry with rain occasionally. Only 56.2mm (2.2in) of water tumbles during on average 12 days. The shortest day is 15:41 long and the longest day is 16:49 long with an average length of 16:21.
Dome definition, a vault, having a circular plan and usually in the form of a portion of a sphere, so constructed as to exert an equal thrust in all directions. See more. Dictionary.com
A cupola can have a dome and a dome can have a cupola, but neither is required. A dome is considered to be a roof and structural part of a building. A common understanding is that a cupola is an architectural detail that can be moved, removed, or exchanged.