how do i evolve eevee to umbreon in pokemon go?
1832
Walk your Eevee as a Buddy for 10km, then evolve it either during the night (Umbreon) or day (Espeon) and it'll turn into the desired evolution.
668252
You cannot get Espeon and Umbreon in this game by evolving Eevee. You need to catch them and same goes to Glaceon and Leafeon. The reason why is because Espeon and Umbreon require the day and night system which this game doesn't have and Glaceon needs to be evolved at Route 217.
314400
won't be able to evolve. You can only obtain Generation I Pokemon (and Meltan and Melmetal) in the game, and the developers went to great lengths to make those evolutions that got tacked on later unavailable. So, in short - you cannot obtain Umbreon whatsoever in Let's Go.
111705
Umbreon and Espeon both evolve after walking with the Eevee as your buddy Pokémon for 10 kilometers. Once that's done, the buddy Eevee evolved during the night will yield Umbreon while the day will yield Espeon.
913178
Evolving it into Espeon is very much like Umbreon, except this time you'll need to evolve it during the day time rather than at night. The rules are almost the same: get its friendship up by playing with it and feeding it at your Camp, and then level it up during the day to force it to change its form.
899632
You need the specific item for evolution, and if you want Umbreon or Espeon you will need to raise its IQ to 2 stars. If you want a glaceon then get the icy rock (or whatever its called) and beat all the post game stuff. Then you can evolve Eevee at luminous spring.
422030
The best time to evolve Eevee is just when you get it, in Celadon Department Store buy a Water/Thunder/Fire Stone and to evolve it right away. To get Umbreon or Espeon, a good way to evolve him earlier is to give him 10 Proteins and other things like this and it will be an Umbreon/Espeon level 26.
39474
Changing the name. You can evolve an Eevee into an Espeon (psychic), Umbreon (dark type), Flareon (a fire type), a Vaporeon (a water type) or a Jolteon (an electric type) just by changing your Eevee's name. This trick only works once per name, so do each evolution with an Eevee that has good stats for the best results.
259075
Once you think you have Eevee's friendship level high enough, the key to getting Umbreon is to level Eevee up during the night time. Doing so in the day time will evolve it in Espeon. To obtain Sylveon, you will need your Eevee to learn a fairy-type move (Eevee learns the move Baby-Doll Eyes early on).
409626
Here are all the ways that you can evolve your Eevee in Pokemon X and Y! Psychic Evolution (Espeon) Have your Eevee hold a soothe bell, then level it up with high friendship between 4:00 AM and 8:00 PM. Dark Evolution (Umbreon): Have your Eevee hold a soothe bell, then level it up with high friendship.
621567
Eevee can't evolve into Umbreon or Espeon, actually, due to the absence of time in FireRed/LeafGreen. That means Umbreon and Espeon both have to be traded from R/S/E to be obtained in FireRed/LeafGreen.
142436
To get Umbreon You must raise an Eevee's happiness to the maximum and evolve it during night time,upon leveling up,your Eevee will evolve into Umbreon.
160476
If you're after a Gen 2 Umbreon or Espeon, you should make your Eevee a Buddy, walk it for 10km and earn two candies while you're at it. After that, and keeping Eevee as your buddy, evolving it either during the night will turn it into an Umbreon, and during the day will turn it into an Espeon.
712717
To get either of the evolutions, your Eevee will need to have a high friendship (a.k.a. happiness) level with the trainer. The friendship level must be 220 or higher. You can only evolve Eevee into Umbreon or Espeon in Generation 2 or later games.
1141061
The way to evolve Eevee into Umbreon is the same as the original Emerld, just level it up with its happiness value at 220 during the night, and you can buy Moon Stone in Lividity Supermarket.
357714
You'll find an Eevee, make that Eevee your buddy Pokemon, and walk that buddy 10km or more. Once you're CERTAIN you've walked that far, you can evolve your Eevee to attain one or the other evolution types. Evolve Eevee at night to get Umbreon, or during the day to get Espeon!
230959
Walk your Eevee as a Buddy for 10km, then evolve it either during the night (Umbreon) or day (Espeon) and it'll turn into the desired evolution. ... Since the naming trick only works once per evolution type, this appears to be a useful way to get a second Espeon or Umbreon with some reliability.