No, the named months and days of the week are proper nouns, but they act as adverbial nouns, where the preposition (in, on) is omitted.
"The new library opens in a month" is a Adverb
The month May is not The adverb may is
The next consecutive month after April is May. April is the fourth month of the year, and May follows as the fifth month.
Yes. April Fools is the whole month because April is National Joke Month.
April is the hottest month in Panama.
Yes, April is National Poetry month.
In the month of April there are 30 days
Avril is the French word for April, so the month after April is May.
April
April is the fourth (4th) month of the year.
The third month before April is January.
The Latin name for the month of April was Aprilis.