Darnestown Knolls, MD

Unincorporated community in Montgomery County, Maryland

Darnestown Knolls is a small unincorporated community in Montgomery County, Maryland. It is 1.2 miles SW of Darnestown, the nearest town. Its ZIP code is 20878.

Darnestown Knolls at a glance

State
Maryland
County
Montgomery County
ZIP code
20878
Nearest town
Darnestown (1.2 mi)
Time zone
America/New York
Coordinates
39.0992, -77.2917

Weather in Darnestown Knolls now

Loading the National Weather Service forecast…

Darnestown Knolls weather by the hour

Darnestown Knolls weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Darnestown Knolls.

This week in Darnestown Knolls

Sunrise, sunset and moon in Darnestown Knolls

What is the weather usually like in Darnestown Knolls?

Cfa
Humid subtropical climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

22°40°57°75°92°42°27°Jan45°28°Feb54°36°Mar66°46°Apr74°55°May82°64°Jun87°69°Jul85°67°Aug78°60°Sep66°48°Oct56°38°Nov46°31°Dec

Average precipitation (inches)

3.1"Jan2.6"Feb3.7"Mar3.2"Apr3.6"May4.0"Jun4.0"Jul3.1"Aug4.0"Sep3.5"Oct3.3"Nov3.4"Dec

Best time to visit Darnestown Knolls: May–June and August–September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ROCKVILLE 1 NE, MD US (USC00187705), adjusted for the elevation of Darnestown Knolls.

Darnestown Knolls weather month by month

January
42° 27°F
3.1 in of rain · 6 wet days
February
45° 28°F
2.6 in of rain · 5 wet days
March
54° 36°F
3.7 in of rain · 7 wet days
April
66° 46°F
3.2 in of rain · 6 wet days
May
74° 55°F
3.6 in of rain · 7 wet days
June
82° 64°F
4.0 in of rain · 6 wet days
July
87° 69°F
4.0 in of rain · 6 wet days
August
85° 67°F
3.1 in of rain · 5 wet days
September
78° 60°F
4.0 in of rain · 6 wet days
October
66° 48°F
3.5 in of rain · 5 wet days
November
56° 38°F
3.3 in of rain · 5 wet days
December
46° 31°F
3.4 in of rain · 6 wet days

Sunrise and sunset in Darnestown Knolls through the year

MonthSunriseSunsetDaylight
January7:25 AM5:12 PM9 h 47 min
February6:58 AM5:47 PM10 h 48 min
March7:18 AM7:17 PM11 h 58 min
April6:30 AM7:47 PM13 h 17 min
May5:54 AM8:16 PM14 h 22 min
June5:41 AM8:38 PM14 h 57 min
July5:54 AM8:36 PM14 h 41 min
August6:21 AM8:05 PM13 h 44 min
September6:49 AM7:19 PM12 h 29 min
October7:17 AM6:32 PM11 h 14 min
November6:51 AM4:56 PM10 h 5 min
December7:19 AM4:49 PM9 h 29 min

Times for the 15th of each month, local time (America/New York).

What is the weather like in Darnestown Knolls?

Darnestown Knolls has a humid subtropical climate. The warmest month is July, with an average high of 87°F (31°C), and the coldest is January, with average lows of 27°F (-3°C).

It gets about 41.3 inches (1,050 mm) of precipitation a year. The wettest month is September and the driest is February.

The best time to visit Darnestown Knolls 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 Darnestown Knolls

The closest live webcam is Dranesville: VA-7 at Fairfax Co Pkwy, 7.3 miles SW of Darnestown Knolls.

Dranesville: VA-7 at Fairfax Co PkwyDranesville · 7.3 mi SWOn Windy
Dranesville: VA-7 - MM 51.3 - EBDranesville · 7.4 mi SOn Windy
Cascades: VA-7 - MM 48.1 - WBCascades · 7.5 mi SWOn Windy
Dranesville: VA-7 - MM 51.9 - WBDranesville · 7.6 mi SOn Windy
Colvin's Glen: VA-7 - MM 52.4 - WBunknown · 7.8 mi SOn Windy
Colvin's Glen: VA-7 - MM 53.1 - WBunknown · 8.2 mi SOn Windy
University Center: VA-7 - EB - VA-28University Center · 8.3 mi SWOn Windy
Colvin's Glen: VA-7 - MM 54.2 - WBunknown · 8.7 mi SOn Windy
Dulles Town Center: VA-28 - MM 44 - SBDulles Town Center · 9.0 mi SWOn Windy

Webcams: Windy.com. Distances in a straight line from Darnestown Knolls.

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Map of Darnestown Knolls, MD

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Darnestown Knolls Street View

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Towns near Darnestown Knolls

Other communities near Darnestown Knolls

Questions about Darnestown Knolls

Where is Darnestown Knolls, MD?

Darnestown Knolls is an unincorporated community in Montgomery County, Maryland, 1.2 miles SW of Darnestown.

What county is Darnestown Knolls in?

Darnestown Knolls is in Montgomery County, Maryland.

What is the ZIP code of Darnestown Knolls, MD?

The ZIP code for Darnestown Knolls is 20878.

What is the nearest town to Darnestown Knolls?

Darnestown, 1.2 miles away.

Are there webcams near Darnestown Knolls?

Yes. The closest is Dranesville: VA-7 at Fairfax Co Pkwy, 7.3 miles away.

What is the hottest month in Darnestown Knolls?

July, with an average high of 87°F (31°C).

What is the coldest month in Darnestown Knolls?

January, with an average low of 27°F (-3°C).

How much does it rain in Darnestown Knolls?

About 41.3 inches (1,050 mm) a year; the wettest month is September.

Does it snow in Darnestown Knolls?

Snow is very rare or not recorded at the nearest weather station.

When is the best time to visit Darnestown Knolls?

May–June and August–September, when temperatures are most pleasant and rainy days are fewer.

What climate does Darnestown Knolls have?

Humid subtropical (Köppen Cfa).

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