When to go · Alton
Alton in June
Great month. Inside Alton's best window: Apr–Oct.
Key facts
- Verdict
- Great
- Temperature
- 30°C (86°F)86°F (30°C) / 18°C (64°F)64°F (18°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 June?
No other month rates higher than June for Alton in this guide.
Weather in June
- AltonHighs around 30 °C (86 °F), lows around 18 °C (64 °F), rain on about 9 daysHighs around 86 °F (30 °C), lows around 64 °F (18 °C), rain on about 9 days
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Rockies and northern parks open; desert heat builds; hurricane season starts. Book parks months ahead.
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
Jun: Great
Apr: Great
Daytime high
Jun: 30 °C (86 °F)86 °F (30 °C)
Apr: 19 °C (66 °F)66 °F (19 °C)
Night low
Jun: 18 °C (64 °F)64 °F (18 °C)
Apr: 7 °C (45 °F)45 °F (7 °C)
Rain days
Jun: 9
Apr: 9
Crowds
Jun: High
Apr: Medium
Prices
Jun: High
Apr: Medium
Festivals listed
Jun: 0
Apr: 1
June: 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