Idaho's fair and festival season runs from June through December, but it peaks in July — when 25 fairs and festivals take place — followed by August and September. Across the year, Idaho hosts 105 dated events in our directory.
Month by month in Idaho
- June — 16 events (see all)
- July — 25 events (see all)
- August — 22 events (see all)
- September — 22 events (see all)
- October — 9 events (see all)
- November — 7 events (see all)
- December — 4 events (see all)
When to go
If you want the biggest choice of events, aim for July, August and September — together they account for 69 of Idaho's 105 dated events. Late summer and early fall skew toward agricultural and country fairs timed to the harvest, while spring and early summer lean toward food, music, and cultural festivals.
Frequently asked questions
What month has the most fairs in Idaho?
July, with 25 fairs and festivals — the busiest month of the Idaho season.
When does fair season start in Idaho?
Events begin as early as June and run through December, with the heaviest concentration in July, August and September.
How many fairs and festivals are in Idaho?
Our directory lists 105 dated fairs and festivals across Idaho for the 2026 season, plus recurring events with dates still to be announced.
