When to go · Monticello, Illinois
Monticello, Illinois in October
Great month. Inside Monticello, Illinois's best window: May–Oct (park and train season); late Sep–Oct for foliage.
Key facts
- Verdict
- Great
- Temperature
- 19°C66°F / 7°C45°F
- average high / low
- Rain days
- 8
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
GreatBest and avoid months for Monticello, Illinois
Inside Monticello, Illinois's best window: May–Oct (park and train season); late Sep–Oct for foliage.
Weather in October
- Monticello, IllinoisHighs around 19 °C, lows around 7 °C, rain on about 8 daysHighs around 66 °F, lows around 45 °F, rain on about 8 days
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Best all-round month: New England foliage, desert parks, cooler cities. High roads start closing late in the month.
What to pack
- A warm layer for the evenings