Hot-summer humid continental

Arnold, Missouri

Jefferson County, Missouri · Population 21k · 584 ft elevation

Living in Arnold

Arnold has a hot-summer humid continental climate: hot summers (July highs around 89°F) and cold winters (January lows around 22°F).

Precipitation is wet at about 44″ a year, and it sees only a dusting of snow (9″ a season).

Skies are sunny (63% of possible sunshine). Summers get sticky, with about 59 muggy days a year.

Air quality is moderate: a median AQI of 42, with about 4 unhealthy-air days in the latest year.

Arnold at a glance

Population
21k
Elevation
584 ft
Average daily high
67°F54th percentile
Average daily low
45°F47th percentile
Annual precipitation
44″52th percentile
Annual snowfall
9″44th percentile
Sunshine hours per year
2,820 hrs51th percentile
Median AQI
4252th percentile
Median home value
$210k36th percentile
Median rent
$1,085/mo41th percentile
Median household income
$75k50th percentile
Property tax rate
0.80%36th percentile
Top state income-tax rate
4.7%
Sales tax (state + local)
8.4%
Unemployment rate
4.2%
Homes with broadband
91%49th percentile
Walkability index
8.854th percentile
Average commute
27 min
Math proficiency (8th grade)
46%51th percentile
Reading proficiency (8th grade)
57%
Violent crime rate
76 per 100k24th percentile
Property crime rate
831 per 100k
Overall natural-hazard risk
9151th percentile
Outdoor access
2928th percentile
Public land within 10 miles
0%
Public land within 30 miles
3%
Mountain relief within 30 miles
394 ft

Climate by month

Average monthly weather in Arnold, Missouri
MonthHighLowPrecipitationSnowSunshine
Jan41°F22°F2.7″2.1″159 hrs
Feb46°F25°F2.5″2.7″154 hrs
Mar56°F34°F4.0″1.1″196 hrs
Apr68°F44°F4.9″0.2″241 hrs
May76°F54°F4.8″—277 hrs
Jun85°F63°F4.7″—324 hrs
Jul89°F67°F3.8″—336 hrs
Aug87°F66°F3.6″—307 hrs
Sep81°F57°F3.4″—272 hrs
Oct70°F46°F2.8″—225 hrs
Nov56°F35°F3.5″0.6″181 hrs
Dec45°F27°F2.8″2.5″150 hrs

Near Arnold

Largest places in Missouri

Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology