Hot-summer humid continental
Grinnell, Iowa
Poweshiek County, Iowa · Population 9.5k · 1,014 ft elevation
Living in Grinnell
Grinnell has a hot-summer humid continental climate: hot summers (July highs around 83°F) and bitterly cold winters (January lows around 10°F).
Precipitation is wet at about 38″ a year, and it gets a fair bit of snow (31″ a season).
Skies are sunny (62% of possible sunshine). Summers get sticky, with about 31 muggy days a year.
Air quality is moderate: a median AQI of 44, with about 2 unhealthy-air days in the latest year.
Grinnell at a glance
- Population
- 9.5k
- Elevation
- 1,014 ft
- Average daily high
- 58°F10th percentile
- Average daily low
- 36°F7th percentile
- Annual precipitation
- 38″32th percentile
- Annual snowfall
- 31″71th percentile
- Sunshine hours per year
- 2,801 hrs50th percentile
- Median AQI
- 4462th percentile
- Median home value
- $192k31th percentile
- Median rent
- $876/mo21th percentile
- Median household income
- $64k36th percentile
- Property tax rate
- 1.45%71th percentile
- Top state income-tax rate
- 3.8%
- Sales tax (state + local)
- 6.9%
- Unemployment rate
- 5.3%
- Homes with broadband
- 85%20th percentile
- Walkability index
- 7.736th percentile
- Average commute
- 14 min
- Math proficiency (8th grade)
- 82%93th percentile
- Reading proficiency (8th grade)
- 77%
- Violent crime rate
- 306 per 100k72th percentile
- Property crime rate
- 1,234 per 100k
- Overall natural-hazard risk
- 315th percentile
- Outdoor access
- 66th percentile
- Public land within 10 miles
- 0%
- Public land within 30 miles
- 1%
- Mountain relief within 30 miles
- 230 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 28°F | 10°F | 1.1″ | 9.0″ | 165 hrs |
| Feb | 33°F | 13°F | 1.6″ | 9.1″ | 185 hrs |
| Mar | 46°F | 24°F | 2.2″ | 3.4″ | 211 hrs |
| Apr | 59°F | 35°F | 3.9″ | 0.6″ | 226 hrs |
| May | 70°F | 47°F | 5.1″ | — | 268 hrs |
| Jun | 79°F | 57°F | 5.5″ | — | 305 hrs |
| Jul | 83°F | 61°F | 4.0″ | — | 338 hrs |
| Aug | 81°F | 59°F | 4.4″ | — | 306 hrs |
| Sep | 75°F | 50°F | 3.7″ | — | 268 hrs |
| Oct | 62°F | 38°F | 3.2″ | 0.5″ | 207 hrs |
| Nov | 46°F | 26°F | 1.9″ | 1.5″ | 173 hrs |
| Dec | 34°F | 16°F | 1.6″ | 6.9″ | 148 hrs |
Near Grinnell
- Newton, IA · 16k
- Tama, IA · 3.1k
- Marshalltown, IA · 27k
- Pella, IA · 11k
- Oskaloosa, IA · 11k
- Mitchellville, IA · 2.6k
- Marengo, IA · 2.8k
- Knoxville, IA · 7.5k
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