Not correct. You get some of the worst icing conditions on ground at extremely low temps and foggy conditions.
EFRO 090850Z VRB03KT 040V120 5000 BR FEW001 M24/M26 Q1021=
Minus 24, and close to fog.
EFRO 090823Z 0909/1009 VRB03KT CAVOK TEMPO 0909/0912 1200 BCFG SCT001