frostless


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frostless

(ˈfrɒstləs)
adj
with no frost
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Annual sunshine duration in this region is approximately 1600~2000 h, annual solar radiation is approximately 5100~5200 MJ x [m.sup.-2], the mean precipitation is 400~500 mm, the mean evaporation is 1600~2000 mm, the relative humidity is approximately 60%~65%, and the frostless period is 140~160 d.
The average annual accumulative temperature above 10degC is 3357.9degC, sunshine hours are 2563.8 h, and frostless period is 172 days.