Cold semi-arid
Castle Rock, Colorado
Douglas County, Colorado · Population 77k · 6,243 ft elevation
Living in Castle Rock
Castle Rock has a cold semi-arid climate: hot summers (July highs around 86°F) and cold winters (January lows around 18°F).
Precipitation is dry at about 18″ a year, and it gets a fair bit of snow (58″ a season).
Skies are exceptionally sunny (72% of possible sunshine). It never gets truly muggy.
Air quality is moderate: a median AQI of 46, with about 7 unhealthy-air days in the latest year.
There is plenty to explore outdoors around Castle Rock: about 20% of the land within 30 miles is public (parks, national forest and the like), and the terrain rises and falls about 3,300 ft around town.
Castle Rock at a glance
- Population
- 77k
- Elevation
- 6,243 ft
- Average daily high
- 64°F39th percentile
- Average daily low
- 35°F5th percentile
- Annual precipitation
- 18″12th percentile
- Annual snowfall
- 58″91th percentile
- Sunshine hours per year
- 3,195 hrs83th percentile
- Median AQI
- 4673th percentile
- Median home value
- $622k88th percentile
- Median rent
- $1,946/mo85th percentile
- Median household income
- $143k92th percentile
- Property tax rate
- 0.56%13th percentile
- Top state income-tax rate
- 4.4%
- Sales tax (state + local)
- 7.9%
- Unemployment rate
- 4.5%
- Homes with broadband
- 97%89th percentile
- Walkability index
- 7.431th percentile
- Average commute
- 29 min
- Math proficiency (8th grade)
- 48%56th percentile
- Reading proficiency (8th grade)
- 52%
- Violent crime rate
- 30 per 100k8th percentile
- Property crime rate
- 942 per 100k
- Overall natural-hazard risk
- 8946th percentile
- Outdoor access
- 8282th percentile
- Public land within 10 miles
- 1%
- Public land within 30 miles
- 20%
- Mountain relief within 30 miles
- 3,281 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 45°F | 18°F | 0.6″ | 8.0″ | 210 hrs |
| Feb | 47°F | 20°F | 0.7″ | 10.7″ | 206 hrs |
| Mar | 54°F | 26°F | 1.5″ | 10.7″ | 252 hrs |
| Apr | 59°F | 32°F | 2.1″ | 8.3″ | 261 hrs |
| May | 68°F | 41°F | 2.0″ | 1.1″ | 292 hrs |
| Jun | 80°F | 50°F | 2.2″ | — | 332 hrs |
| Jul | 86°F | 56°F | 2.3″ | — | 345 hrs |
| Aug | 83°F | 55°F | 2.5″ | — | 327 hrs |
| Sep | 77°F | 46°F | 1.4″ | 0.4″ | 294 hrs |
| Oct | 65°F | 34°F | 0.8″ | 2.7″ | 256 hrs |
| Nov | 54°F | 26°F | 0.8″ | 6.7″ | 219 hrs |
| Dec | 46°F | 18°F | 0.7″ | 8.9″ | 203 hrs |
Near Castle Rock
- Castle Pines Village, CO · 4.4k
- Castle Pines, CO · 13k
- The Pinery, CO · 12k
- Stepping Stone, CO · 3.1k
- Parker, CO · 60k
- Meridian Village, CO · 2.8k
- Sierra Ridge, CO · 3.3k
- Lone Tree, CO · 14k
Largest places in Colorado
- Denver, CO · 714k
- Colorado Springs, CO · 483k
- Aurora, CO · 390k
- Fort Collins, CO · 170k
- Lakewood, CO · 156k
- Thornton, CO · 143k
- Arvada, CO · 123k
- Westminster, CO · 116k
Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology