Hot-summer humid continental
Cortland, Illinois
DeKalb County, Illinois · Population 4.6k · 909 ft elevation
Living in Cortland
Cortland has a hot-summer humid continental climate: hot summers (July highs around 83°F) and cold winters (January lows around 13°F).
Precipitation is wet at about 37″ a year, and it gets a fair bit of snow (33″ a season).
Skies are partly sunny (58% of possible sunshine). Summers get sticky, with about 33 muggy days a year.
Air quality is moderate: a median AQI of 45, with about 9 unhealthy-air days in the latest year.
Cortland at a glance
- Population
- 4.6k
- Elevation
- 909 ft
- Average daily high
- 58°F10th percentile
- Average daily low
- 39°F15th percentile
- Annual precipitation
- 37″30th percentile
- Annual snowfall
- 33″73th percentile
- Sunshine hours per year
- 2,609 hrs22th percentile
- Median AQI
- 4570th percentile
- Median home value
- $204k35th percentile
- Median rent
- $1,420/mo64th percentile
- Median household income
- $83k59th percentile
- Property tax rate
- 3.21%99th percentile
- Top state income-tax rate
- 5.0%
- Sales tax (state + local)
- 8.9%
- Unemployment rate
- 6.1%
- Homes with broadband
- 96%82th percentile
- Walkability index
- 9.057th percentile
- Average commute
- 27 min
- Math proficiency (8th grade)
- 42%42th percentile
- Reading proficiency (8th grade)
- 52%
- Violent crime rate
- 108 per 100k33th percentile
- Property crime rate
- 668 per 100k
- Overall natural-hazard risk
- 8134th percentile
- Outdoor access
- 66th percentile
- Public land within 10 miles
- 0%
- Public land within 30 miles
- 1%
- Mountain relief within 30 miles
- 262 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 28°F | 13°F | 1.7″ | 10.2″ | 137 hrs |
| Feb | 32°F | 17°F | 1.7″ | 8.7″ | 157 hrs |
| Mar | 45°F | 27°F | 2.2″ | 4.4″ | 194 hrs |
| Apr | 59°F | 37°F | 3.6″ | 1.3″ | 220 hrs |
| May | 70°F | 49°F | 4.8″ | — | 258 hrs |
| Jun | 80°F | 59°F | 4.6″ | — | 297 hrs |
| Jul | 83°F | 63°F | 4.0″ | — | 330 hrs |
| Aug | 81°F | 61°F | 4.1″ | — | 300 hrs |
| Sep | 75°F | 53°F | 3.3″ | — | 255 hrs |
| Oct | 62°F | 41°F | 3.0″ | 0.1″ | 188 hrs |
| Nov | 46°F | 30°F | 2.3″ | 1.8″ | 150 hrs |
| Dec | 34°F | 19°F | 2.0″ | 6.6″ | 124 hrs |
Near Cortland
- DeKalb, IL · 40k
- Sycamore, IL · 18k
- Genoa, IL · 5.7k
- Elburn, IL · 6.1k
- Campton Hills, IL · 11k
- Hampshire, IL · 8.4k
- Pingree Grove, IL · 11k
- Sugar Grove, IL · 9.2k
Largest places in Illinois
- Chicago, IL · 2.7M
- Aurora, IL · 180k
- Joliet, IL · 150k
- Naperville, IL · 149k
- Rockford, IL · 148k
- Elgin, IL · 114k
- Springfield, IL · 114k
- Peoria, IL · 112k
Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology