When to go · Collinsville, Illinois
Collinsville, Illinois in January
Avoid month. Listed as a month to avoid: Jan–Feb (cold, occasional snow).
Key facts
- Verdict
- Avoid
- Temperature
- −6°C (21°F)21°F (−6°C) / −18°C (0°F)0°F (−18°C)
- average high / low
- Rain days
- 5
- Crowds
- Low
- United States overall
- Prices
- Low
- United States overall
Verdict
Listed as a month to avoid: Jan–Feb (cold, occasional snow).
Is another month better than January?
January is rated avoid. 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 January
- Collinsville, IllinoisHighs around -6 °C (21 °F), lows around -18 °C (0 °F), rain on about 5 daysHighs around 21 °F (-6 °C), lows around 0 °F (-18 °C), rain on about 5 days
Crowds and prices
- Crowds · United States overall
- Low
- Prices · United States overall
- Low
United States overall: Cold and snowy north and in the mountains; Florida, Hawaii and the desert Southwest are the picks.
Compare two months
Weather, crowds and prices for any two months in Collinsville, Illinois, side by side.
Verdict
Jan: Avoid
May: Great (better)
Daytime high
Jan: -6 °C (21 °F)21 °F (-6 °C)
May: 20 °C (68 °F)68 °F (20 °C)
Night low
Jan: -18 °C (0 °F)0 °F (-18 °C)
May: 55 °C (131 °F)131 °F (55 °C)
Rain days
Jan: 5
May: 5
Crowds
Jan: Low
May: Medium
Prices
Jan: Low
May: Medium
Festivals listed
Jan: 0
May: 1
January: Listed as a month to avoid: Jan–Feb (cold, occasional snow).
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
- A warm coat, hat and gloves for mornings and evenings