Thor is the god of thunder and of the sky.
Fact Thor is definitely the storm-weather god of the sky and thunder.
When Thor throws Mjollnir, it magically returns to his back pocket.
Fiction I'm sure he wishes it did every time it goes missing.
His wife is the beautiful goddess Sifters, goddess of the earth, grain, and fertility.
Fact Sif seldom appears and remains a somewhat mysterious figure.
Thor holds a higher rank than Odin.
Fiction Since Odin is also referred to as the All-Father, I would say Thor is safely outranked.
Thor has a month named after him.
Fiction Not quite. He has a day named after him, which you would know as Thursday.
Thor is a patron of farmers and is associated with weather and crops.
Fact He's also a fertility god, so weather+fertility=happy farmers and crops.
He is believed to be the son of Odin and Aphrodite.
Fiction Let's not go mixing our Norse and our Greek. He's the son of Odin and Fyorgyn, the earth goddess.
Thor can be known to have a hot temper.
Fact He IS the god of thunder, after all. . .
Thor is an ally of the frost giants.
Fiction No way! You can't turn your back on those shifty frost giants for a minute! Especially if Mjollnir is within reach.
Thor's chief weapon is his mighty hammer Mjollnir, or Crusher, which was forged for him by water nymphs.
Fiction Mjollnir was forged by dwarves.