Boulder Brook, DE
Unincorporated community in New Castle County, Delaware
Boulder Brook is a small unincorporated community in New Castle County, Delaware. It is 2.1 miles E of Ardencroft, the nearest town. Its ZIP code is 19803.
Boulder Brook at a glance
- State
- Delaware
- County
- New Castle County
- ZIP code
- 19803
- Nearest town
- Ardencroft (2.1 mi)
- Time zone
- America/New York
- Coordinates
- 39.7961, -75.5228
Weather in Boulder Brook now
Loading the National Weather Service forecast…
Boulder Brook weather by the hour
Boulder Brook weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Boulder Brook.
This week in Boulder Brook
Sunrise, sunset and moon in Boulder Brook
What is the weather usually like in Boulder Brook?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 24°F average low
- 50.3 inprecipitation per year · 1,278 mm
- 12.0 insnowfall per year · 30 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Boulder Brook: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station WILMINGTON PORTER RSCH, DE US (USC00079605), adjusted for the elevation of Boulder Brook.
Boulder Brook weather month by month
Sunrise and sunset in Boulder Brook through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:19 AM | 5:03 PM | 9 h 43 min |
| February | 6:52 AM | 5:39 PM | 10 h 46 min |
| March | 7:11 AM | 7:10 PM | 11 h 58 min |
| April | 6:22 AM | 7:41 PM | 13 h 19 min |
| May | 5:45 AM | 8:11 PM | 14 h 25 min |
| June | 5:31 AM | 8:33 PM | 15 h 1 min |
| July | 5:45 AM | 8:31 PM | 14 h 45 min |
| August | 6:12 AM | 8:00 PM | 13 h 47 min |
| September | 6:42 AM | 7:12 PM | 12 h 30 min |
| October | 7:11 AM | 6:24 PM | 11 h 13 min |
| November | 6:45 AM | 4:47 PM | 10 h 2 min |
| December | 7:14 AM | 4:39 PM | 9 h 25 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Boulder Brook?
Boulder Brook has a hot-summer humid continental climate. The warmest month is July, with an average high of 84°F (29°C), and the coldest is January, with average lows of 24°F (-5°C).
It gets about 50.3 inches (1,278 mm) of precipitation a year. The wettest month is July and the driest is February. Snow is common: about 12 inches fall in an average year.
The best time to visit Boulder Brook is May–June and August–September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Boulder Brook
The closest live webcam is Perth: FOULK RD @ BRANDYWINE HS, 0.3 miles N of Boulder Brook.
Webcams: Windy.com. Distances in a straight line from Boulder Brook.
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Map of Boulder Brook, DE
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Boulder Brook Street View
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Open in Google Maps ›Towns near Boulder Brook
Other communities near Boulder Brook
- Windsor Hills0.4 mi NW
- Wickwood0.4 mi SW
- Windsor Hills0.4 mi NW
- Heatherbrooke subdivision0.4 mi NE
- Madelyn Gardens0.5 mi S
- Gumwood0.5 mi S
- Webster Farm0.6 mi E
- Pembrey0.7 mi N
- Surrey Park0.7 mi NW
- Welshire0.9 mi SE
- Shipley Heights0.9 mi S
- Talleys Corner0.9 mi NE
- Lynnfield0.9 mi SE
- Weldin Woods0.9 mi S
- Twin Oaks1.1 mi SW
Questions about Boulder Brook
Where is Boulder Brook, DE?
Boulder Brook is an unincorporated community in New Castle County, Delaware, 2.1 miles E of Ardencroft.
What county is Boulder Brook in?
Boulder Brook is in New Castle County, Delaware.
What is the ZIP code of Boulder Brook, DE?
The ZIP code for Boulder Brook is 19803.
What is the nearest town to Boulder Brook?
Ardencroft, 2.1 miles away.
Are there webcams near Boulder Brook?
Yes. The closest is Perth: FOULK RD @ BRANDYWINE HS, 0.3 miles away.
What is the hottest month in Boulder Brook?
July, with an average high of 84°F (29°C).
What is the coldest month in Boulder Brook?
January, with an average low of 24°F (-5°C).
How much does it rain in Boulder Brook?
About 50.3 inches (1,278 mm) a year; the wettest month is July.
Does it snow in Boulder Brook?
Yes, about 12 inches of snow fall in an average year.
When is the best time to visit Boulder Brook?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Boulder Brook have?
Hot-summer humid continental (Köppen Dfa).
Last updated: