Hot-summer humid continental
Grayslake, Illinois
Lake County, Illinois · Population 21k · 791 ft elevation
Living in Grayslake
Grayslake has a hot-summer humid continental climate: hot summers (July highs around 82°F) and cold winters (January lows around 14°F).
Precipitation is wet at about 38″ a year, and it gets a fair bit of snow (43″ a season).
Skies are partly sunny (58% of possible sunshine). Summers get sticky, with about 29 muggy days a year.
Air quality is good: a median AQI of 39, with about 5 unhealthy-air days in the latest year.
Grayslake at a glance
- Population
- 21k
- Elevation
- 791 ft
- Average daily high
- 57°F7th percentile
- Average daily low
- 39°F15th percentile
- Annual precipitation
- 38″32th percentile
- Annual snowfall
- 43″83th percentile
- Sunshine hours per year
- 2,610 hrs23th percentile
- Median AQI
- 3930th percentile
- Median home value
- $294k57th percentile
- Median rent
- $1,434/mo64th percentile
- Median household income
- $114k82th percentile
- Property tax rate
- 3.40%100th percentile
- Top state income-tax rate
- 5.0%
- Sales tax (state + local)
- 8.9%
- Unemployment rate
- 5.7%
- Homes with broadband
- 95%76th percentile
- Walkability index
- 11.877th percentile
- Average commute
- 27 min
- Math proficiency (8th grade)
- 41%41th percentile
- Reading proficiency (8th grade)
- 50%
- Violent crime rate
- 24 per 100k6th percentile
- Property crime rate
- 444 per 100k
- Overall natural-hazard risk
- 9668th percentile
- Outdoor access
- 3938th percentile
- Public land within 10 miles
- 4%
- Public land within 30 miles
- 2%
- Mountain relief within 30 miles
- 361 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 29°F | 14°F | 1.8″ | 11.0″ | 136 hrs |
| Feb | 33°F | 17°F | 1.9″ | 12.8″ | 156 hrs |
| Mar | 44°F | 26°F | 2.5″ | 5.3″ | 194 hrs |
| Apr | 57°F | 36°F | 4.0″ | 1.8″ | 220 hrs |
| May | 68°F | 48°F | 4.6″ | — | 258 hrs |
| Jun | 78°F | 58°F | 4.4″ | — | 298 hrs |
| Jul | 82°F | 63°F | 4.0″ | — | 331 hrs |
| Aug | 81°F | 61°F | 4.2″ | — | 300 hrs |
| Sep | 74°F | 53°F | 3.4″ | — | 255 hrs |
| Oct | 61°F | 42°F | 3.2″ | — | 188 hrs |
| Nov | 47°F | 30°F | 2.5″ | 2.5″ | 150 hrs |
| Dec | 34°F | 20°F | 2.1″ | 9.7″ | 124 hrs |
Near Grayslake
- Hainesville, IL · 3.5k
- Round Lake Park, IL · 7.8k
- Gages Lake, IL · 11k
- Round Lake, IL · 19k
- Round Lake Beach, IL · 27k
- Grandwood Park, IL · 5.3k
- Venetian Village, IL · 2.7k
- Round Lake Heights, IL · 2.6k
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