Humid subtropical
Thornton, Colorado
Adams County, Colorado · Population 143k · 5,394 ft elevation
Living in Thornton
Thornton has a humid subtropical climate: very hot summers (July highs around 91°F) and cold winters (January lows around 19°F).
Precipitation is dry at about 15″ a year, and it gets a fair bit of snow (45″ a season).
Skies are sunny (71% of possible sunshine). It never gets truly muggy.
Air quality is moderate: a median AQI of 49, with about 1 unhealthy-air day in the latest year.
There is plenty to explore outdoors around Thornton: about 6% of the land within 30 miles is public (parks, national forest and the like), and the terrain rises and falls about 3,200 ft around town.
Thornton at a glance
- Population
- 143k
- Elevation
- 5,394 ft
- Average daily high
- 68°F58th percentile
- Average daily low
- 37°F9th percentile
- Annual precipitation
- 15″9th percentile
- Annual snowfall
- 45″85th percentile
- Sunshine hours per year
- 3,148 hrs80th percentile
- Median AQI
- 4982th percentile
- Median home value
- $482k80th percentile
- Median rent
- $1,810/mo81th percentile
- Median household income
- $101k74th percentile
- Property tax rate
- 0.58%15th percentile
- Top state income-tax rate
- 4.4%
- Sales tax (state + local)
- 7.9%
- Unemployment rate
- 4.6%
- Homes with broadband
- 96%82th percentile
- Walkability index
- 12.179th percentile
- Average commute
- 31 min
- Math proficiency (8th grade)
- 40%40th percentile
- Reading proficiency (8th grade)
- 47%
- Violent crime rate
- 251 per 100k64th percentile
- Property crime rate
- 2,285 per 100k
- Overall natural-hazard risk
- 9151th percentile
- Outdoor access
- 8181th percentile
- Public land within 10 miles
- 7%
- Public land within 30 miles
- 6%
- Mountain relief within 30 miles
- 3,248 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 48°F | 19°F | 0.5″ | 6.0″ | 200 hrs |
| Feb | 50°F | 20°F | 0.5″ | 7.6″ | 193 hrs |
| Mar | 58°F | 28°F | 1.2″ | 8.2″ | 251 hrs |
| Apr | 64°F | 35°F | 1.9″ | 6.5″ | 257 hrs |
| May | 72°F | 44°F | 2.4″ | 1.2″ | 289 hrs |
| Jun | 85°F | 53°F | 1.5″ | — | 340 hrs |
| Jul | 91°F | 59°F | 1.7″ | — | 354 hrs |
| Aug | 89°F | 57°F | 1.3″ | — | 329 hrs |
| Sep | 82°F | 49°F | 1.2″ | 0.1″ | 292 hrs |
| Oct | 67°F | 37°F | 1.1″ | 2.4″ | 244 hrs |
| Nov | 56°F | 27°F | 0.7″ | 6.9″ | 209 hrs |
| Dec | 48°F | 19°F | 0.5″ | 5.9″ | 190 hrs |
Near Thornton
- Northglenn, CO · 38k
- Federal Heights, CO · 14k
- Derby, CO · 8.7k
- Todd Creek, CO · 5.1k
- Welby, CO · 16k
- Broomfield, CO · 75k
- Sherrelwood, CO · 19k
- Shaw Heights, CO · 5.3k
Largest places in Colorado
- Denver, CO · 714k
- Colorado Springs, CO · 483k
- Aurora, CO · 390k
- Fort Collins, CO · 170k
- Lakewood, CO · 156k
- Arvada, CO · 123k
- Westminster, CO · 116k
- Pueblo, CO · 112k
Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology