I read that XPX doesn't have any seasons. Is that right? A silly question than... can there be snow on the ground in XPX at all?

http://forums.xplanefreeware.net/topic/6762-winter-world-25-for-xp-96/I use the latest WW within XP9.7. Snowy ground and icy runways.I don't know how well it works within XPX.

So, out of the box, no snow at all?

Correct - Out of the box, no snow, no fall, no spring. What you see in the demo is what you will get.Laminar does indicate that they will be continuing to develop for XP10, although it is not clear exactly when such items will be available in an update, or if they will contain all seasons.Those who do not have XP9 may find themselves at a disadvantage, unable to copy in older legacy textures to use in XP10.

Perhaps give the Winterworld package a shot and see what happens?It's only a case of sticking it in custom scenery. If it works-great....if not....delete the folder.Can't hurt to try....it is freeware.

Winterworld will NOT work because of a lot of new textures used in XP10 (which don't have a replacement in WW).