Year-round

adj.hopeful, resilientprofessional

What it means

Available, active, or continuing throughout every season of the year.

Reach for it when describing uninterrupted annual access or operation

The new shelter provides year-round support for families.

playful
365-day
when daily operation is literally guaranteed
not when The number is wrong in leap years and overclaims services that close on some days.
everyday
all-year
when concise plain wording fits
not when All-year is less established before some nouns and can sound clipped.
everyday
throughout the year
when natural post-noun wording is clearer
not when The phrase is not always interchangeable before a noun.
professional
continuous
when absence of interruption is the central fact
not when Continuous can cover any time span and does not specifically promise all seasons.
professional
four-season
when design works across seasonal conditions
not when Four-season suits equipment and facilities, not every service or activity.
professional
permanent
when something is intended to remain indefinitely
not when Permanent is much stronger and can still operate only seasonally.
formal
perennial
when something recurs or persists across years
not when Perennial can mean repeatedly recurring rather than continuously available.

year-round service
The year-round service adds overnight capacity during winter.
year-round access
Residents need year-round access to the only step-free path.
open year-round
The repair cafe is open year-round except during safety inspections.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.