When to go · Alton
Alton in July
Great month. Inside Alton's best window: Apr–Oct.
Key facts
- Verdict
- Great
- Temperature
- 33°C (91°F)91°F (33°C) / 21°C (70°F)70°F (21°C)
- average high / low
- Rain days
- 9
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Inside Alton's best window: Apr–Oct.
Is another month better than July?
No other month rates higher than July for Alton in this guide.
Weather in July
- AltonHighs around 33 °C (91 °F), lows around 21 °C (70 °F), rain on about 9 daysHighs around 91 °F (33 °C), lows around 70 °F (21 °C), rain on about 9 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.
Independence Day big impact
4 Jul · United States
Fireworks and parades; parks, beaches and flights busy.
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Peak season: parks full, 4 July crowds, 40 °C+ in the desert, humid East. Alaska and the Pacific Northwest are at their best.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Alton, side by side.
Verdict
Jul: Great
Apr: Great
Daytime high
Jul: 33 °C (91 °F)91 °F (33 °C)
Apr: 19 °C (66 °F)66 °F (19 °C)
Night low
Jul: 21 °C (70 °F)70 °F (21 °C)
Apr: 7 °C (45 °F)45 °F (7 °C)
Rain days
Jul: 9
Apr: 9
Crowds
Jul: High
Apr: Medium
Prices
Jul: High
Apr: Medium
Festivals listed
Jul: 1
Apr: 1
July: Inside Alton's best window: Apr–Oct.
April: Inside Alton's best window: Apr–Oct.
Alton: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen