Weekly note
Chicago
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Chicago from Jakarta

15,796 km, about 20h 11m in the air. Every month scored for the weather at Chicago and for the holidays that crowd it out at both ends.

  1. Chicago in January: avoid
  2. Chicago in February: avoid
  3. Chicago in March: ok
  4. Chicago in April: good
  5. Chicago in May: sweet spot
  6. Chicago in June: sweet spot
  7. Chicago in July: good, busy
  8. Chicago in August: good, busy
  9. Chicago in September: good
  10. Chicago in October: good
  11. Chicago in November: ok
  12. Chicago in December: avoid
  • Sweet spot
  • Good
  • OK
  • Avoid
  • Busy
Go in May or Jun — 20C max, 11 rainy days. Sep is the next best.

Plan this trip

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Car hire

Travel insurance

Mobile data (eSIM)

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Month by month from Jakarta

MonthMax °CRain days Crowds Typical fare VerdictWhy
Jan 0° 8d 80 — avoid bitter cold: 0C daily max
Feb 3° 7d 100 — avoid bitter cold: 3C daily max
Mar 9° 9d 100 — ok 9C max, 9 rainy days
Apr 14° 12d 100 — good 14C max, 12 rainy days
May 20° 11d 100 — sweet spot 20C max, 11 rainy days
Jun 27° 10d 89 — sweet spot 27C max, 10 rainy days
Jul 28° 11d 65 — goodbusy busier than usual
Aug 27° 10d 65 — goodbusy busier than usual
Sep 24° 8d 75 — good 24C max, 8 rainy days
Oct 17° 10d 80 — good 17C max, 10 rainy days
Nov 8° 6d 80 19,367,290 IDR ok 8C max, 6 rainy days
Dec 4° 7d 80 — avoid bitter cold: 4C daily max

Rain days are the days with at least 2 mm of rain.

Crowds is a score out of 100 where higher is quieter. It counts public-holiday clusters in ID as well as at Chicago, which is why this table differs from the same one read from another country. A busy month is a crowded one, not a bad one — usually it is crowded because the weather is good. Crowds alone never make a month “avoid”: that is reserved for weather worth skipping.

How busy it gets

Busiest in July and August; quietest in February.

The year in Chicago

Chicago experiences cold winters, so it's advisable to check for indoor activities during those months. The climate normals indicate that summer months are warm, making them ideal for outdoor events.

Busiest
early Jun to late Aug — Warm weather and a variety of events attract a high number of tourists.
Quieter, still good
early Apr to late May — Mild weather and fewer crowds make it a good time for visits.
early Sep to mid Oct — Pleasant temperatures and fall colors; less crowded than summer.

Written by a language model from the climate figures above. The month-by-month table is measured — ten years of ERA5 readings and published holiday calendars — and where the two disagree, the table is the one to believe.

Chicago from anywhere · everywhere from Jakarta

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