Hot-summer humid continental
Rock Valley, Iowa
Sioux County, Iowa · Population 4.1k · 1,247 ft elevation
Living in Rock Valley
Rock Valley has a hot-summer humid continental climate: hot summers (July highs around 85°F) and bitterly cold winters (January lows around 10°F).
Precipitation is moderate at about 30″ a year, and it gets a fair bit of snow (35″ a season).
Skies are sunny (65% of possible sunshine). Muggy weather is occasional (19 days a year).
Air quality is moderate: a median AQI of 44, with about 5 unhealthy-air days in the latest year.
Rock Valley at a glance
- Population
- 4.1k
- Elevation
- 1,247 ft
- Average daily high
- 60°F18th percentile
- Average daily low
- 37°F9th percentile
- Annual precipitation
- 30″19th percentile
- Annual snowfall
- 35″76th percentile
- Sunshine hours per year
- 2,917 hrs59th percentile
- Median AQI
- 4462th percentile
- Median home value
- $226k41th percentile
- Median rent
- $1,070/mo40th percentile
- Median household income
- $67k40th percentile
- Property tax rate
- 1.40%69th percentile
- Top state income-tax rate
- 3.8%
- Sales tax (state + local)
- 6.9%
- Unemployment rate
- 0.4%
- Homes with broadband
- 88%32th percentile
- Average commute
- 12 min
- Math proficiency (8th grade)
- 87%97th percentile
- Reading proficiency (8th grade)
- 82%
- Violent crime rate
- 25 per 100k7th percentile
- Property crime rate
- 125 per 100k
- Overall natural-hazard risk
- 5212th percentile
- Outdoor access
- 55th percentile
- Public land within 10 miles
- 0%
- Public land within 30 miles
- 0%
- Mountain relief within 30 miles
- 262 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 28°F | 10°F | 0.7″ | 6.8″ | 188 hrs |
| Feb | 33°F | 14°F | 0.9″ | 7.7″ | 207 hrs |
| Mar | 47°F | 26°F | 1.7″ | 5.6″ | 219 hrs |
| Apr | 62°F | 37°F | 3.0″ | 3.1″ | 236 hrs |
| May | 74°F | 49°F | 4.2″ | 0.1″ | 264 hrs |
| Jun | 83°F | 59°F | 4.5″ | — | 311 hrs |
| Jul | 85°F | 62°F | 3.5″ | — | 362 hrs |
| Aug | 83°F | 60°F | 3.4″ | — | 313 hrs |
| Sep | 78°F | 52°F | 3.2″ | — | 261 hrs |
| Oct | 64°F | 39°F | 2.5″ | 0.9″ | 211 hrs |
| Nov | 46°F | 26°F | 1.4″ | 3.9″ | 183 hrs |
| Dec | 32°F | 15°F | 1.0″ | 6.7″ | 163 hrs |
Near Rock Valley
- Sioux Center, IA · 8.3k
- Rock Rapids, IA · 2.7k
- Hawarden, IA · 2.7k
- Orange City, IA · 6.3k
- Sheldon, IA · 5.4k
- Le Mars, IA · 11k
- Sibley, IA · 2.8k
- Cherokee, IA · 5.2k
Largest places in Iowa
- Des Moines, IA · 212k
- Cedar Rapids, IA · 137k
- Davenport, IA · 101k
- Sioux City, IA · 86k
- Iowa City, IA · 75k
- Ankeny, IA · 71k
- West Des Moines, IA · 70k
- Waterloo, IA · 67k
Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology