More to do with thge very long cold spell and depth temperatures of the
pavements. The underlying materials will noit have had chance to respond to
the milder air yet and this causes the pavements "and roads" to cool more
rapidly than they would otherwise. A similar effect is noticed at he other
end of the spectrum when strong sunshine in spring warms the underlying
surface - snow is often seen to settle on grass and not on pavements due the
same physical process.

"Joe Egginton" wrote in message
...
Been out for a walk, temps 5c, yet the pavements are turning slippery and
icy?

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Joe Egginton
Wolverhampton
175m asl