Hot-summer humid continental
St. Charles, Missouri
St. Charles County, Missouri · Population 71k · 492 ft elevation
Living in St. Charles
St. Charles has a hot-summer humid continental climate: hot summers (July highs around 88°F) and cold winters (January lows around 22°F).
Precipitation is wet at about 46″ a year, and it sees only a dusting of snow (9″ a season).
Skies are sunny (62% of possible sunshine). Summers get sticky, with about 58 muggy days a year.
Air quality is moderate: a median AQI of 40, with about 5 unhealthy-air days in the latest year.
St. Charles at a glance
- Population
- 71k
- Elevation
- 492 ft
- Average daily high
- 66°F50th percentile
- Average daily low
- 45°F47th percentile
- Annual precipitation
- 46″60th percentile
- Annual snowfall
- 9″44th percentile
- Sunshine hours per year
- 2,809 hrs50th percentile
- Median AQI
- 4038th percentile
- Median home value
- $281k54th percentile
- Median rent
- $1,186/mo50th percentile
- Median household income
- $86k62th percentile
- Property tax rate
- 1.06%55th percentile
- Top state income-tax rate
- 4.7%
- Sales tax (state + local)
- 8.4%
- Unemployment rate
- 2.3%
- Homes with broadband
- 94%69th percentile
- Walkability index
- 8.955th percentile
- Average commute
- 22 min
- Math proficiency (8th grade)
- 46%51th percentile
- Reading proficiency (8th grade)
- 46%
- Violent crime rate
- 184 per 100k52th percentile
- Property crime rate
- 823 per 100k
- Overall natural-hazard risk
- 9357th percentile
- Outdoor access
- 3636th percentile
- Public land within 10 miles
- 1%
- Public land within 30 miles
- 3%
- Mountain relief within 30 miles
- 361 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 39°F | 22°F | 2.7″ | 4.3″ | 155 hrs |
| Feb | 45°F | 25°F | 2.9″ | 2.6″ | 156 hrs |
| Mar | 55°F | 34°F | 3.6″ | 0.5″ | 198 hrs |
| Apr | 67°F | 44°F | 5.1″ | — | 237 hrs |
| May | 76°F | 55°F | 5.5″ | — | 272 hrs |
| Jun | 84°F | 64°F | 4.3″ | — | 318 hrs |
| Jul | 88°F | 68°F | 4.2″ | — | 343 hrs |
| Aug | 87°F | 66°F | 4.1″ | — | 309 hrs |
| Sep | 80°F | 57°F | 3.1″ | — | 277 hrs |
| Oct | 69°F | 46°F | 3.5″ | — | 219 hrs |
| Nov | 55°F | 35°F | 3.7″ | 0.1″ | 178 hrs |
| Dec | 44°F | 26°F | 3.0″ | 1.5″ | 146 hrs |
Near St. Charles
- St. Peters, MO · 58k
- Bridgeton, MO · 11k
- Maryland Heights, MO · 28k
- Hazelwood, MO · 25k
- Cottleville, MO · 5.8k
- St. Ann, MO · 13k
- Woodson Terrace, MO · 3.9k
- Weldon Spring, MO · 5.3k
Largest places in Missouri
- Kansas City, MO · 508k
- St. Louis, MO · 293k
- Springfield, MO · 169k
- Columbia, MO · 127k
- Independence, MO · 122k
- Lee's Summit, MO · 103k
- O'Fallon, MO · 93k
- St. Joseph, MO · 72k
Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology