The name for each month is a proper noun. Always capitalize the names of the months of the year.
January, February, March
April, May, June
July, August, September
October, November, December
My birthday is in October.
We start school in August.
My folks are taking a vacation next February.
Names of the months are proper nouns. Proper nouns are always capitalized.
▶It’s your turn. Which words in this sentence should be capitalized? The baseball season begins in april and ends in early november. Did you find the two names for months of the year? Good for you!