A Question for my Weatherman

This is something that I have always wondered about -

If the high temperature for the day

never gets above 32 degrees,

then why/how does snow melt on that day?

It seems to me that everything

should just stay frozen.

Now I have heard that heat

escaping from homes through the roof

causes the snow to melt and icicles to form.

Supposedly you can tell

how well insulated your house is

by the number and size of your icicles,

so that is a possible explanation.

I also understand that

where the sun is actually hitting

ie. the driveway, the asphalt,

the mailbox, the roof top, the sidewalk

might be warmer

than the actual recorded high temperature

and that is why the snow melts.

It still seems rather strange to me though,

if water freezes at 32 degrees

if it is below 32 degrees

it should just stay frozen!

That would make sense.