sunbaked
1. [ adjective ] dried out by heat or excessive exposure to sunlight
Synonyms: baked parched scorched adust
Examples:

"a vast desert all adust" "land lying baked in the heat" "parched soil" "the earth was scorched and bare" "sunbaked salt flats"

Related terms: dry
2. [ adjective ] baked or hardened by exposure to sunlight; not burned
Examples:

"sunbaked adobe bricks"

Related terms: tempered