January: Why was the cat in the bathtub? Because it was punderful!
February: Why was the mouse in the house? Because it was a gouda time!
MARCH!
April: Why did the scarecrow win an award? Because he was outstanding in his field!
May: Why did the bicycle fall over? Because it was two-tired!
June: What do you call a group of cows playing instruments? A moo-sical band!
July: Why did the baker go to the bank? Because he needed dough!
August: Why did the chicken go to the store? Because it was a fowl move!
September: Why did the astronaut break up with his girlfriend? Because he needed space!
October: What do you call a can opener that doesn't work? A can't opener!
November: Why did the mummy go to the party? Because he was feeling wrapped up in his work!
December: Why was the cat sad? Because it was cat-atonic!