Monsters don't seem any worse now to me. Basically its just random.
Never a good idea to leave your house at the crack of dawn if you've been awake all night though. Creepers seem to be morning creatures.
"The way I see it, every life is a pile of good things and bad things. The good things don't always soften the bad things. But vice versa, the bad things don't necessarily spoil the good things or make them unimportant."