SFGate

Rockin' Fine Finish Do you have a covered area over the front door ?

Dytecture Here is one example with a large opening.

dgourdine Need a storm door to protect attractive front door that gets direct sunlight from south in CO. Do not want to detract from door.

Linda You will need to consider this carefully. If the storm door traps heat between the glass and the door and becomes a glass fronted solar oven, you may be exposing the door to damaging conditions worse than the direct sunlight.

creeser I would get one with the smallest possible frame to match either your trim or the wood on your front door. Depending on which look appeals to you most. Here's a photo both ways.
[houzz=Hinsdale Addition][houzz=Harbor View Rear][houzz=Mid century House]