time of year is a noun meaning "one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions". It carries one recorded sense.
one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions
“the regular sequence of the seasons”
Definitions, synonyms and semantic relations for time of year come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.