Humid subtropical
New Castle, Delaware
New Castle County, Delaware · Population 5.5k · 10 ft elevation
Living in New Castle
New Castle has a humid subtropical climate: hot summers (July highs around 87°F) and chilly winters (January lows around 26°F).
Precipitation is wet at about 45″ a year, and it gets light snow (20″ 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 44, with about 4 unhealthy-air days in the latest year.
New Castle at a glance
- Population
- 5.5k
- Elevation
- 10 ft
- Average daily high
- 65°F45th percentile
- Average daily low
- 47°F57th percentile
- Annual precipitation
- 45″56th percentile
- Annual snowfall
- 20″58th percentile
- Sunshine hours per year
- 2,795 hrs48th percentile
- Median AQI
- 4462th percentile
- Median home value
- $262k50th percentile
- Median rent
- $1,675/mo75th percentile
- Median household income
- $93k68th percentile
- Property tax rate
- 0.57%14th percentile
- Top state income-tax rate
- 6.6%
- Sales tax (state + local)
- 0.0%
- Unemployment rate
- 1.1%
- Homes with broadband
- 93%62th percentile
- Walkability index
- 12.481th percentile
- Average commute
- 22 min
- Math proficiency (8th grade)
- 22%12th percentile
- Reading proficiency (8th grade)
- 41%
- Violent crime rate
- 347 per 100k76th percentile
- Property crime rate
- 2,309 per 100k
- Overall natural-hazard risk
- 9564th percentile
- Outdoor access
- 6564th percentile
- Public land within 10 miles
- 5%
- Public land within 30 miles
- 4%
- Mountain relief within 30 miles
- 525 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 42°F | 26°F | 3.2″ | 6.1″ | 164 hrs |
| Feb | 44°F | 27°F | 2.8″ | 7.8″ | 173 hrs |
| Mar | 53°F | 34°F | 4.2″ | 3.1″ | 206 hrs |
| Apr | 64°F | 44°F | 3.5″ | 0.1″ | 241 hrs |
| May | 74°F | 54°F | 3.6″ | — | 269 hrs |
| Jun | 82°F | 63°F | 4.7″ | — | 307 hrs |
| Jul | 87°F | 69°F | 4.4″ | — | 334 hrs |
| Aug | 85°F | 67°F | 4.0″ | — | 300 hrs |
| Sep | 79°F | 60°F | 4.4″ | — | 249 hrs |
| Oct | 67°F | 48°F | 3.7″ | — | 209 hrs |
| Nov | 56°F | 38°F | 3.1″ | 0.2″ | 185 hrs |
| Dec | 46°F | 31°F | 3.9″ | 2.9″ | 157 hrs |
Near New Castle
- Wilmington Manor, DE · 8k
- Wilmington, DE · 71k
- Elsmere, DE · 6.2k
- Edgemoor, DE · 6.7k
- Bear, DE · 23k
- Brookside, DE · 15k
- Greenville, DE · 3.1k
- Pike Creek Valley, DE · 12k
Largest places in Delaware
- Dover, DE · 39k
- Newark, DE · 30k
- Middletown, DE · 24k
- Glasgow, DE · 16k
- Hockessin, DE · 14k
- Smyrna, DE · 13k
- Milford, DE · 12k
- Claymont, DE · 9.5k
Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology