seasonable

Opportune; occurring at an appropriate or suitable time.

Nor is it seasonable to have to do with Hercules, whil'st he is enraged, and amongst the Furies, but when he is telling merry tales amongst the Meonion Damosels.

Appropriate to the current season of the year.

The temperature outside was quite seasonable, neither warmer nor colder than I had expected.

It was a wild, cold, seasonable night of March, with a pale moon, lying on her back as though the wind had tilted her, and flying wrack of the most diaphanous and lawny texture.

Ephemeral; lasting for just one season.

In season (said of game when it is legal to be hunted and killed).

Well-seasoned; matured (e.g. timber).