When to go · Collinsville, Illinois
Collinsville, Illinois in March
Good month. Outside the best window (May–Oct (festivals, warm weather)). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.
Key facts
- Verdict
- Good
- Temperature
- 10°C (50°F)50°F (10°C) / 30°C (86°F)86°F (30°C)
- average high / low
- Rain days
- 6
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Outside the best window (May–Oct (festivals, warm weather)). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.
Is another month better than March?
March is rated good. These months rate higher:
- MayGreatInside Collinsville, Illinois's best window: May–Oct (festivals, warm weather).
- JuneGreatInside Collinsville, Illinois's best window: May–Oct (festivals, warm weather).
- JulyGreatInside Collinsville, Illinois's best window: May–Oct (festivals, warm weather).
- AugustGreatInside Collinsville, Illinois's best window: May–Oct (festivals, warm weather).
Weather in March
- Collinsville, IllinoisHighs around 10 °C (50 °F), lows around 30 °C (86 °F), rain on about 6 daysHighs around 50 °F (10 °C), lows around 86 °F (30 °C), rain on about 6 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.
Compare two months
Weather, crowds and prices for any two months in Collinsville, Illinois, side by side.
Verdict
Mar: Good
May: Great (better)
Daytime high
Mar: 10 °C (50 °F)50 °F (10 °C)
May: 20 °C (68 °F)68 °F (20 °C)
Night low
Mar: 30 °C (86 °F)86 °F (30 °C)
May: 55 °C (131 °F)131 °F (55 °C)
Rain days
Mar: 6
May: 5 (better)
Crowds
Mar: Medium
May: Medium
Prices
Mar: Medium
May: Medium
Festivals listed
Mar: 2
May: 1
March: Outside the best window (May–Oct (festivals, warm weather)). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.
May: Inside Collinsville, Illinois's best window: May–Oct (festivals, warm weather).
Collinsville, Illinois: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.