Evergreen
Pokémon GO Seasons Explained: What Changes Each Season
How Pokémon GO's seasons work: roughly how long they last, what tends to change, and how to keep track of what's currently active.
Pokémon GO is organized into recurring "seasons," a structural layer that sits above the day-to-day event calendar. Here's what a season generally is and what kinds of things tend to change from one to the next, without pinning down specific dates or names that would be outdated quickly.
What a season is
A season is a defined period of time with its own theme, typically running for a few months, during which the game's developer adjusts several systems at once: which Pokémon spawn more frequently, what Research tasks are available, seasonal bonuses that apply across the game, and often a matching GO Battle League season running in parallel. Think of it as a backdrop that shapes the smaller, shorter events happening within it, rather than an event in its own right.
What typically changes between seasons
- Spawn pools — certain species become more or less common in the wild as the season's theme shifts.
- Seasonal bonuses — small game-wide perks, such as bonus experience for specific actions, sometimes apply for a season's duration.
- Research themes — Field and Special Research tasks sometimes rotate to match a season's focus.
- GO Battle League seasons — competitive seasons often run on a similar cadence and can bring cup rotations and ranking resets alongside the main season change.
What generally stays the same
Core mechanics — how catching works, how CP and IVs are calculated, how Gyms and raids function — don't change with the season. Seasons are about what's emphasized and available, not about rewriting the rules of the game. If you're comfortable with the fundamentals covered in our core mechanics guide, that knowledge carries over regardless of the current season.
How to check what's currently active
Because season names, themes, and exact durations change and we can't reliably predict them, the best way to know what's live right now is the in-game news feed, which typically posts a summary at the start of each new season, along with the ongoing events calendar. Our events calendar guide explains how the shorter-term event calendar sits within a season if you want the bigger structural picture.
Seasons and the GO Battle League
Because a GO Battle League season often runs alongside the main game season, cup rotations and rank resets can line up with season changes, though this isn't a strict rule and has varied over time. If competitive play interests you, our page on rankings and rating explains what a season reset means for your standing, and our page on cup formats covers how the rotations generally work without pinning down specific current cups.
A rough sense of season length
Without pinning down exact dates, seasons in Pokémon GO have generally run for a period of roughly a few months each, giving enough time for a themed spawn pool and research track to feel established before the next shift arrives. Treat this as a general sense of pacing rather than a promise, since the game's developer has adjusted season length and structure before and may again.
Research reward tracks
Some seasons have paired their theme with a structured Research track: a longer sequence of tasks tied to the season itself, rewarding steady engagement over the whole period rather than a single session. Where this exists, it usually sits alongside the regular daily Field Research tasks rather than replacing them. Our Field Research and Special Research guide covers how these task systems generally work.
Does a new season affect Gyms and raids?
Gym and raid mechanics themselves don't change with a season, but the raid boss rotation often does, since a season's theme frequently influences which species are featured in raids during that window. Type-based weather boosts, covered in our advanced mechanics guide, are a separate system from seasons and don't reset alongside them.
Does my progress carry over between seasons?
Long-term progress — your Pokédex, trainer level, badges, and stored Pokémon — carries over fully from one season to the next. What resets or shifts is generally limited to season-specific elements like a themed Research track or, separately, GO Battle League rank and rating if a league season lines up with the change. Nothing about a new season erases your overall collection or progress.
The one habit worth keeping
Rather than memorizing what's active this season, it's more useful to build the habit of checking the in-game news feed periodically, especially around what feels like a season boundary, so you don't miss a spawn or bonus shift relevant to your goals.
Head back to our events and competitive hub, or visit the Trainer Hub homepage for guides on the core game.