Chicago · Month comparison
April vs October
October ranks #1 overall vs April at #7. Chicago Marathon weekend (second Sun in Oct) — 50,000 runners through every neighbourhood.
April
#7 of 12 months
Strong option
Cubs season opens at Wrigley — first rooftop game and 14°C lakefront jogs.
- ↑Cubs and White Sox both open at home — full ballpark culture without summer prices
- ↑Chicago Architecture River Cruise restarts in earnest mid-month
October
#1 of 12 months
Best match
Chicago Marathon weekend (second Sun in Oct) — 50,000 runners through every neighbourhood.
- ↑Chicago Marathon — World Marathon Majors event, the entire city stops to watch
- ↑Lincoln Park and the lakefront in red-and-gold maple
| Factor | April | October |
|---|---|---|
| Weather score | 6 | 9 |
| Value score | 7 | 7 |
| Crowd score | 7 | 7 |
| Events score | 7 | 9 |
| Atmosphere | 8 | 10 |
| Avg high temp | 14°C | 17°C |
| Monthly rain | 90mm | 80mm |
| Daily sunshine | 7hrs | 7hrs |
April trade-offs
- ↓90mm rain in 11 days; lake breeze still cold
- ↓Lake Michigan only 7°C — not for beach plans
October trade-offs
- ↓Marathon weekend hotel rates double; Loop streets closed
- ↓First frost and possible early snow late month
Scores compare months within Chicago. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →