The Dry Season
That the islands have differing climates at all is something of a mystery, as in theory they should all be subject to much the same winds and rains and air currents. Nonetheless, different islands have different climates, though those close to each other are usually broadly similar.
The northern Orcish territory is lush grassland, crisscrossed by rivers and dotted with well-managed and maintained forests, the natural woodlands having long since been harvested and replanted. The land has mild winters and hot summers, and produces most of the food for the Celestial Kingdom.
The southern territory is wilder, harsher and colder. Old growth forests still remain here, and farmland is mostly found around rivers pouring down through mountainous valleys. While winters are rarely severe, the growing season in the southern Celestial Kingdom is much shorter, and communities tend to be smaller and more focused on herding than farming.
Gnome territory is hot and dry. While only the outermost island is a desert proper, the dry grasslands of the other gnome islands are not terribly forgiving to farmers, and rivers are uncommon. Indeed, most of the best farmland the gnomes have is formed by summoning and binding water elementals to create and maintain rivers and irrigation systems.
The elven lands are forests and hills, though they have cleared plenty of space for agriculture. Warm, dry summers and cool, wet winters make for lands where trade and war are rarely hampered by weather, which may well be why neither ever cease amongst the elves.
The three swift-circling islands around the central island are dominated by vegetation – the leftmost and rightmost are jungles, unrelentingly hot and virtually always raining. The center island of the three is made up of a vast deciduous forest, which would be a tempting target for loggers if the island was not rumored to be haunted, cursed, and vengefully alive.