We've used ours in both sun and rain. It works well. For shade, it works better if the sun is coming from the other side of the van, but it works in any case.
I got tired of trying to anchor the awning legs in the wind, so I mounted the Fiamma brackets to the van and now the awning legs mount to the van for a more stable awning.
Alaska to Key West, Labrador and more
Prostate cancer survivor. See Thread Prostate cancer and Sportsmobiles
2015 VW GTI 2020 Fiat 124 Spider
2012 E250 Hitop camper