Humid subtropical
Rockville, Maryland
Montgomery County, Maryland · Population 67k · 459 ft elevation
Living in Rockville
Rockville has a humid subtropical climate: hot summers (July highs around 87°F) and chilly winters (January lows around 27°F).
Precipitation is wet at about 41″ a year, and it gets light snow (24″ a season).
Skies are sunny (61% of possible sunshine). Summers get sticky, with about 53 muggy days a year.
Air quality is good: a median AQI of 39 and virtually no unhealthy-air days.
Rockville at a glance
- Population
- 67k
- Elevation
- 459 ft
- Average daily high
- 65°F45th percentile
- Average daily low
- 47°F57th percentile
- Annual precipitation
- 41″40th percentile
- Annual snowfall
- 24″63th percentile
- Sunshine hours per year
- 2,760 hrs44th percentile
- Median AQI
- 3930th percentile
- Median home value
- $658k90th percentile
- Median rent
- $2,244/mo92th percentile
- Median household income
- $122k86th percentile
- Property tax rate
- 1.01%52th percentile
- Top state income-tax rate
- 6.5%
- Sales tax (state + local)
- 6.0%
- Unemployment rate
- 3.7%
- Homes with broadband
- 94%69th percentile
- Walkability index
- 13.789th percentile
- Average commute
- 31 min
- Math proficiency (8th grade)
- 43%47th percentile
- Reading proficiency (8th grade)
- 55%
- Violent crime rate
- 108 per 100k33th percentile
- Property crime rate
- 1,267 per 100k
- Overall natural-hazard risk
- 9254th percentile
- Outdoor access
- 5555th percentile
- Public land within 10 miles
- 3%
- Public land within 30 miles
- 3%
- Mountain relief within 30 miles
- 591 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 42°F | 27°F | 3.1″ | 8.5″ | 160 hrs |
| Feb | 45°F | 28°F | 2.6″ | 6.6″ | 168 hrs |
| Mar | 54°F | 36°F | 3.7″ | 1.5″ | 202 hrs |
| Apr | 66°F | 46°F | 3.2″ | — | 237 hrs |
| May | 74°F | 55°F | 3.5″ | — | 265 hrs |
| Jun | 82°F | 64°F | 4.0″ | — | 308 hrs |
| Jul | 87°F | 69°F | 4.0″ | — | 333 hrs |
| Aug | 85°F | 67°F | 3.0″ | — | 299 hrs |
| Sep | 77°F | 60°F | 4.0″ | — | 244 hrs |
| Oct | 66°F | 48°F | 3.5″ | — | 207 hrs |
| Nov | 56°F | 38°F | 3.3″ | 0.4″ | 184 hrs |
| Dec | 46°F | 31°F | 3.4″ | 6.7″ | 155 hrs |
Near Rockville
- Redland, MD · 19k
- North Bethesda, MD · 49k
- Aspen Hill, MD · 54k
- North Potomac, MD · 24k
- Leisure World, MD · 8.7k
- Gaithersburg, MD · 69k
- Potomac, MD · 46k
- Travilah, MD · 11k
Largest places in Maryland
- Baltimore, MD · 577k
- Columbia, MD · 106k
- Germantown, MD · 91k
- Waldorf, MD · 83k
- Silver Spring, MD · 82k
- Frederick, MD · 81k
- Ellicott City, MD · 74k
- Glen Burnie, MD · 73k
Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology