When to go · Monticello, Illinois
Monticello, Illinois in March
Good month. Outside the best window (May–Oct (park and train season); late Sep–Oct for foliage). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.
Key facts
- Verdict
- Good
- Temperature
- 11°C52°F / 0°C32°F
- average high / low
- Rain days
- 10
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Outside the best window (May–Oct (park and train season); late Sep–Oct for foliage). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.
Weather in March
- Monticello, IllinoisHighs around 11 °C, lows around 0 °C, rain on about 10 daysHighs around 52 °F, lows around 32 °F, rain on about 10 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Mardi Gras (New Orleans) big impact
Feb or Mar (varies) · United States
New Orleans hotels triple in price and sell out.
Spring break big impact
March–April · United States
Students fill Florida, Texas and Mexico beaches; parks busy.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Spring break fills Florida beaches and parks; the desert parks come into season.
What to pack
- A warm coat, hat and gloves for mornings and evenings
- A rain jacket or umbrella and shoes that dry fast