What's on in Chicago, United States through the year
Chicago, United States has 12 curated events through the year — 8 festivals, 1 natural spectacle, 1 season, 1 hazard season and 1 seasonal opening. The ones to plan around: St Patrick's Day river dyeing (March) and Chicago Blues Festival (June). March, June, July, August, November and December are its peak-crowd months.
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Chicago events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | — | Busy |
| February | Chicago Auto Show | Busy |
| March | St Patrick's Day river dyeing | Peak crowds |
| April | Spring migration at Montrose Point | Shoulder season |
| May | Lakefront beach season | Busy |
| June | Chicago Blues Festival, Chicago Pride Parade | Peak crowds |
| July | Lollapalooza | Peak crowds |
| August | Air and Water Show | Peak crowds |
| September | — | Busy |
| October | Chicago Marathon | Busy |
| November | Skating in Millennium Park, Christkindlmarket | Peak crowds |
| December | Lakefront wind chill | Peak crowds |
January in Chicago
Chicago weather in January →Busy — Winter / Christmas break in United States, school holidays in 2 of the markets that fill it
Nothing new starts in January.
Still on: Skating in Millennium Park (15 Nov – 5 Mar (usually)), Lakefront wind chill (1 Dec – 1 Mar (usually))
February in Chicago
Chicago weather in February →Busy — Chicago Auto Show
- Festival
Chicago Auto Show
7–20 Feb · usuallyMajor festivalCrowdedThe largest auto show in North America takes over McCormick Place for ten days in the deadest month, which is exactly why the city's hotels price February around it. Source ↗
Still on: Skating in Millennium Park (15 Nov – 5 Mar (usually)), Lakefront wind chill (1 Dec – 1 Mar (usually))
March in Chicago
Chicago weather in March →Peak crowds — St Patrick's Day river dyeing, Spring break in United States
- Festival
St Patrick's Day river dyeing
13–18 Mar · usuallyMajor festivalCrowdedThe plumbers' union dyes the river green at mid-morning on the Saturday before the 17th, and the parade goes up Columbus Drive after it. The bridges over the main branch are full an hour ahead. Source ↗
Still on: Skating in Millennium Park (15 Nov – 5 Mar (usually)), Lakefront wind chill (1 Dec – 1 Mar (usually))
April in Chicago
Chicago weather in April →Shoulder season — an ordinary month
- Nature
Spring migration at Montrose Point
20 Apr – 31 May · usuallyBirdlife seasonThe lakefront funnels migrants into a few acres of scrub at Montrose, and on a good May morning the Magic Hedge holds more warbler species than most states see in a year. Source ↗
May in Chicago
Chicago weather in May →Busy — one of its best months for weather
- Opening
Lakefront beach season
22 May – 7 Sep · usuallySummer season opensThe city's twenty-odd beaches are guarded from Memorial Day weekend to Labor Day and effectively shut either side of it. Lake Michigan takes until August to become anything like swimmable. Source ↗
Still on: Spring migration at Montrose Point (20 Apr – 31 May (usually))
June in Chicago
Chicago weather in June →Peak crowds — Chicago Pride Parade, Summer break in United States
- Festival
Chicago Blues Festival
1–10 Jun · usuallyMajor festivalThree free days in Millennium Park in early June, the first of the city's summer lakefront festivals and the one with the strongest claim on the place. No ticket, no fence. Source ↗
- Festival
Chicago Pride Parade
22–30 Jun · usuallyCrowdedClosuresThe last Sunday of June closes Broadway and Halsted through Lakeview for the afternoon, with the Red Line stations at Addison and Belmont exit-only for most of it. Source ↗
Still on: Lakefront beach season (22 May – 7 Sep (usually))
July in Chicago
Chicago weather in July →Peak crowds — Lollapalooza, Summer break in United States
- Festival
Lollapalooza
28 Jul – 4 Aug · usuallyMajor festivalCrowdedBook earlyFour days and a hundred thousand people a day in Grant Park at the turn of July into August. The Loop hotels reprice around it and Michigan Avenue is a slow walk each evening. Source ↗
Still on: Lakefront beach season (22 May – 7 Sep (usually))
August in Chicago
Chicago weather in August →Peak crowds — Lollapalooza, Air and Water Show
- Festival
Air and Water Show
14–18 Aug · usuallyMajor festivalCrowdedA free two-day show over North Avenue Beach in mid-August, with a full rehearsal on the Friday that most locals prefer. The whole north lakefront is the grandstand. Source ↗
Still on: Lakefront beach season (22 May – 7 Sep (usually)), Lollapalooza (28 Jul – 4 Aug (usually))
September in Chicago
Chicago weather in September →Busy — Summer break in United States
Nothing new starts in September.
Still on: Lakefront beach season (22 May – 7 Sep (usually))
October in Chicago
Chicago weather in October →Busy — Chicago Marathon
- Festival
Chicago Marathon
5–14 Oct · usuallyMajor festivalCrowdedClosuresBook earlyFifty thousand runners through twenty-nine neighbourhoods on a Sunday in early or mid-October, on the flattest big-city course there is. Downtown is closed to cars until the afternoon. Source ↗
November in Chicago
Chicago weather in November →Peak crowds — Christkindlmarket, Thanksgiving break in United States
- Season
Skating in Millennium Park
15 Nov – 5 Mar · usuallyIce seasonThe McCormick Tribune rink opens under the Bean in mid-November and is free if you bring your own skates; the ribbon in Maggie Daley Park next door is the better ice and the longer queue. Source ↗
- Festival
Christkindlmarket
20 Nov – 24 Dec · usuallyChristmas & New YearCrowdedThe German market on Daley Plaza opens the week before Thanksgiving and runs to Christmas Eve, with sister markets in Wrigleyville and Aurora. Free to enter, and packed after work. Source ↗
December in Chicago
Chicago weather in December →Peak crowds — Christkindlmarket, Winter / Christmas break in United States
- Hazard
Lakefront wind chill
1 Dec – 1 Mar · usuallyWind seasonArctic air over an unfrozen lake is what makes a Chicago winter its own category: the thermometer understates it badly, and a walk along the lakefront path in January is a different proposition to the same walk two streets inland. Source ↗
Still on: Skating in Millennium Park (15 Nov – 5 Mar (usually)), Christkindlmarket (20 Nov – 24 Dec (usually))