thawy

adjective2

1. •
   Becoming liquid; thawing; inclined to or tending to thaw.
2. •
   Conducive to thawing.

   • The N.W., which is the most frequent in winter, is dry, cold, and elastic; the S.E. soft, thawy, and rainy: the wind seldom blows from west or south, more rarely still from the north. — 1844