Possible Clues:

• Colder even than 31 Across
• Colder here in France, escorting the queen
• I tucked into dessert, beginning to relish what's colder
• More slippery, as winter roads
• More wintry when one's cold? That is right
• Harder to travel, in a way
• Get colder
• More hazardous, as winter roads
• More dispassionate
• More slippery, in winter