Evee will never evolve unless you use a fire stone, water stone or thunder stone on it.
Eevee doesn't have a set level to evolve into Umbreon. All you have to do to evolve it is max out its happiness at night. ~KKMG1
You have to make Eevee really happy while it's is evolving,there is no certain level that will make Eevee evolve.
To make Eevee evolve into an Umbreon, you have to level it up with high happiness at night.
When Eevee loves you, level it up in the Morning.
if i get eevee in level 20 what level eevee need to evolve into espeon
Level it up at night
In Pokémon Flora Sky, to evolve Eevee into Espeon, you need to level up Eevee while it has high friendship with you. Make sure Eevee's friendship level is at least 220, and then level it up during the day. After meeting these conditions, Eevee will evolve into Espeon.
It doesn't evolve by itself you have to give it an evolving stone
You evolve Eevee. to evolve eevee, max its frendship out by night (9:00pm- 4:00am) and then level it up.
Jolteon does not evolve, but to get a Jolteon you need a thunderstone to evolve an Eevee into Jolteon.
It Doesnt need to have a good level
level up on route 217