The festival calendar is generated from open-source game data.
| Festival | Season | Day(s) |
|---|---|---|
| Egg Festival | Spring | 13 |
| Desert Festival | Spring | 15–17 |
| Flower Dance | Spring | 24 |
| Luau | Summer | 11 |
| Trout Derby | Summer | 20–21 |
| Dance of the Moonlight Jellies | Summer | 28 |
| Stardew Valley Fair | Fall | 16 |
| Spirit’s Eve | Fall | 27 |
| Festival of Ice | Winter | 8 |
| SquidFest | Winter | 12–13 |
| Night Market | Winter | 15–17 |
| Feast of the Winter Star | Winter | 25 |