When to go · Castle Rock
Castle Rock in August
Great month. Inside Castle Rock's best window: May–Oct.
Key facts
- Verdict
- Great
- Temperature
- 31°C (88°F)88°F (31°C) / 15°C (59°F)59°F (15°C)
- average high / low
- Rain days
- 5
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Inside Castle Rock's best window: May–Oct.
Is another month better than August?
No other month rates higher than August for Castle Rock in this guide.
Weather in August
- Castle RockHighs around 31 °C (88 °F), lows around 15 °C (59 °F), rain on about 5 daysHighs around 88 °F (31 °C), lows around 59 °F (15 °C), rain on about 5 days
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Castle Rock, side by side.
Verdict
Aug: Great
May: Great
Daytime high
Aug: 31 °C (88 °F)88 °F (31 °C)
May: 23 °C (73 °F)73 °F (23 °C)
Night low
Aug: 15 °C (59 °F)59 °F (15 °C)
May: 9 °C (48 °F)48 °F (9 °C)
Rain days
Aug: 5 (better)
May: 7
Crowds
Aug: High
May: Medium
Prices
Aug: High
May: Medium
Festivals listed
Aug: 0
May: 1
August: Inside Castle Rock's best window: May–Oct.
May: Inside Castle Rock's best window: May–Oct.
Castle Rock: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen