All-weather and Year-round

All-weather adjective - Usable or operative or practiced in all kinds of weather.

Year-round and all-weather are semantically related. In some cases you can use "Year-round" instead an adjective phrase "All-weather".

Year-round adjective - Operating or continuing throughout the year.

All-weather and year-round are semantically related. Sometimes you can replace phrase "All-weather" with "Year-round", this phrases are similar.