pertaining to, dependent on, or accompanying the seasons
of the year or some particular season
; periodical: seasonal work.
a seasonal product, employee, etc.: to hire seasonals.
Can be confused: seasonable
(see usage note at the current entry).
are sometimes interchanged, probably because of their obvious connection with season.
In edited prose and in formal speech these two adjectives are almost always distinguished. Seasonal
describes phenomena that occur with or depend upon a season or the seasons: seasonal fluctuations in rainfall; seasonal sales. Seasonable in reference to weather means “suitable to or characteristic of the season”: a seasonable December; seasonable temperatures for July. Seasonable also has the sense “timely, opportune”: a seasonable offer of financial assistance.