noun
Refers to bright sunshine, often in the context of good or dry weather. Also used for the glossy shine or luster of a surface, such as in pottery or food.
今日は照りが強いので、帽子をかぶったほうがいい。
The sunshine is strong today, so you'd better wear a hat.
この陶器は照りが美しい。
This pottery has a beautiful luster.
日照り means drought or long spell of dry weather, whereas 照り simply refers to sunshine or luster.
照る is the verb meaning 'to shine', while 照り is the noun form.
Noun form of the verb 照る (to shine). The kanji 照 is used for its meaning of illumination.