vs
QUICK ANSWER
"En" is a form of "en", a preposition which is often translated as "in". "El invierno" is a form of "invierno", a noun which is often translated as "winter". Learn more about the difference between "en" and "el invierno" below.
en(
ehn
)A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
el invierno(
een
-
byehr
-
noh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
1. (season)
2. (rainy months) (Andes) (Central America)
Regionalism used in Central America: Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, and Panama
a. rainy season
Llegamos a Ecuador en pleno invierno.We arrived in Ecuador in the middle of the rainy season.