There are more bitter, more unkind, more rude things in Shakespeare's thoughts than the weather.  In comparison to the wind's chill, the loss of friends is much more bitter.  Grateful for true friends.

Blow, Blow, Thou Winter Wind

by:  William Shakespeare

Blow, blow, thou winter wind
Thou art not so unkind
As man's ingratitude;
Thy tooth is not so keen,
Because thou art not seen,
Although thy breath be rude.

Heigh-ho! sing, heigh-ho! unto the green holly:
Most freindship if feigning, most loving mere folly:
Then heigh-ho, the holly!
This life is most jolly.

Freeze, freeze thou bitter sky,
That does not bite so nigh
As benefits forgot:
Though thou the waters warp,
Thy sting is not so sharp
As a friend remembered not.
Heigh-ho! sing, heigh-ho! unto the green holly:
Most friendship is feigning, most loving mere folly:
Then heigh-ho, the holly!
This life is most jolly.

image from www.britannica.com