Seneca, MD
Unincorporated community in Montgomery County, Maryland
Seneca is a small unincorporated community in Montgomery County, Maryland. It is 1.7 miles NE of Darnestown, the nearest town. Its ZIP code is 20165.
Seneca at a glance
- State
- Maryland
- County
- Montgomery County
- ZIP code
- 20165
- Nearest town
- Darnestown (1.7 mi)
- Time zone
- America/New York
- Coordinates
- 39.0786, -77.3394
Weather in Seneca now
Loading the National Weather Service forecast…
Seneca weather by the hour
Seneca weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Seneca.
This week in Seneca
Sunrise, sunset and moon in Seneca
What is the weather usually like in Seneca?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 27°F average low
- 41.3 inprecipitation per year · 1,050 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Seneca: 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 Seneca.
Seneca weather month by month
Sunrise and sunset in Seneca through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:25 AM | 5:12 PM | 9 h 47 min |
| February | 6:59 AM | 5:47 PM | 10 h 48 min |
| March | 7:18 AM | 7:17 PM | 11 h 58 min |
| April | 6:30 AM | 7:47 PM | 13 h 17 min |
| May | 5:54 AM | 8:16 PM | 14 h 22 min |
| June | 5:41 AM | 8:38 PM | 14 h 57 min |
| July | 5:54 AM | 8:36 PM | 14 h 41 min |
| August | 6:21 AM | 8:06 PM | 13 h 44 min |
| September | 6:49 AM | 7:19 PM | 12 h 29 min |
| October | 7:17 AM | 6:32 PM | 11 h 14 min |
| November | 6:51 AM | 4:56 PM | 10 h 5 min |
| December | 7:19 AM | 4:49 PM | 9 h 29 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Seneca?
Seneca 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 Seneca 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 Seneca
The closest live webcam is Cascades: VA-7 - MM 48.1 - WB, 4.7 miles SW of Seneca.
Webcams: Windy.com. Distances in a straight line from Seneca.
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Map of Seneca, MD
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Seneca Street View
Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.
Open in Google Maps ›Towns near Seneca
Other communities near Seneca
- Seneca0.0 mi N
- Rushville0.8 mi SE
- Rive Gauche Estates1.6 mi E
- Woodbyran Farms1.7 mi E
- Ridgeland Farm Estates1.7 mi NE
- Potomac Park Estate1.7 mi N
- Riverwood1.9 mi E
- Deakins Range2.0 mi E
- Spring Meadows2.2 mi NE
- Esworthy Park2.9 mi E
- Darnestown Knolls2.9 mi NE
- Tobytown3.0 mi SE
- Esworthy Estates3.0 mi E
- Sugarland3.1 mi NW
- Seneca Highlands3.2 mi NE
Questions about Seneca
Where is Seneca, MD?
Seneca is an unincorporated community in Montgomery County, Maryland, 1.7 miles NE of Darnestown.
What county is Seneca in?
Seneca is in Montgomery County, Maryland.
What is the ZIP code of Seneca, MD?
The ZIP code for Seneca is 20165.
What is the nearest town to Seneca?
Darnestown, 1.7 miles away.
Are there webcams near Seneca?
Yes. The closest is Cascades: VA-7 - MM 48.1 - WB, 4.7 miles away.
What is the hottest month in Seneca?
July, with an average high of 87°F (31°C).
What is the coldest month in Seneca?
January, with an average low of 27°F (-3°C).
How much does it rain in Seneca?
About 41.3 inches (1,050 mm) a year; the wettest month is September.
Does it snow in Seneca?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Seneca?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Seneca have?
Humid subtropical (Köppen Cfa).
Last updated: