Here is the list of Seasonal and Temporary Traits.
Note that None means they're not assigned to a season. This means they only appear for events and certain special summons.
Spring:
- Fizz
- Songbird
- Bunny Ears
- Insect Wings - KIJI ONLY
- Butterfly Wings - KIJI ONLY
- Full Beard
- Multitude Fins - TALLY ONLY
- Butterfly Fins - TALLY ONLY
Summer:
- Fizz
- Songbird
- Roots
- Filigree
- Frilled Ears - KIJI ONLY
- Finned Tail Fur - KIJI ONLY
- Angler Lure - KIJI ONLY
- Dog Ears - TALLY ONLY
- Eel Tail Fin - TALLY ONLY
- Antennae - TALLY ONLY
Fall:
- Skeletal
- Wil o Wisp Ears
- Wispy Leg Fur
- Wooly Mane
- Wooly Tail Fur - KIJI ONLY
- Furred Tail Fin - TALLY ONLY
Winter:
- Frosted
- Glazed
- Elk Horns
- Moose Horns
- Mammoth Tusks
- Wooly Leg Fur
- Wooly Mane
- Wooly Tail Fur - KIJI ONLY
- Furred Tail Fin - TALLY ONLY
None:
- Filter
- Crested
- Fairy Points
- Stickers
- Frill
- Feather Frill
- Feelers
- Plated Spine
- Spiked Cheeks KIJI ONLY
- Fluffy Cheeks TALLY ONLY