Sylmac, MD
Unincorporated community in Anne Arundel County, Maryland
Sylmac is a small unincorporated community in Anne Arundel County, Maryland. It is 1.9 miles N of Crownsville, the nearest town. Its ZIP code is 21401.
Sylmac at a glance
- State
- Maryland
- County
- Anne Arundel County
- ZIP code
- 21401
- Nearest town
- Crownsville (1.9 mi)
- Time zone
- America/New York
- Coordinates
- 38.9947, -76.5889
Weather in Sylmac now
Loading the National Weather Service forecast…
Sylmac weather by the hour
Sylmac weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Sylmac.
This week in Sylmac
Sunrise, sunset and moon in Sylmac
What is the weather usually like in Sylmac?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 89°F average high
- Januarycoldest month · 29°F average low
- 44.0 inprecipitation per year · 1,118 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Sylmac: May–June and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ANNAPOLIS POLICE BRKS, MD US (USC00180193), adjusted for the elevation of Sylmac.
Sylmac weather month by month
Sunrise and sunset in Sylmac through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:21 AM | 5:09 PM | 9 h 47 min |
| February | 6:55 AM | 5:44 PM | 10 h 49 min |
| March | 7:15 AM | 7:14 PM | 11 h 58 min |
| April | 6:27 AM | 7:44 PM | 13 h 16 min |
| May | 5:51 AM | 8:13 PM | 14 h 21 min |
| June | 5:38 AM | 8:35 PM | 14 h 56 min |
| July | 5:51 AM | 8:32 PM | 14 h 41 min |
| August | 6:18 AM | 8:02 PM | 13 h 44 min |
| September | 6:46 AM | 7:16 PM | 12 h 29 min |
| October | 7:14 AM | 6:29 PM | 11 h 14 min |
| November | 6:48 AM | 4:53 PM | 10 h 5 min |
| December | 7:16 AM | 4:46 PM | 9 h 29 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Sylmac?
Sylmac has a humid subtropical climate. The warmest month is July, with an average high of 89°F (32°C), and the coldest is January, with average lows of 29°F (-2°C).
It gets about 44.0 inches (1,118 mm) of precipitation a year. The wettest month is September and the driest is February.
The best time to visit Sylmac is May–June and September–October. 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 Sylmac
The closest live webcam is Crofton › East, 3.9 miles SW of Sylmac.
Webcams: Windy.com. Distances in a straight line from Sylmac.
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Map of Sylmac, MD
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Sylmac Street View
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Open in Google Maps ›Towns near Sylmac
Other communities near Sylmac
- Twin Hills0.3 mi S
- The Ridges0.5 mi SW
- Lusby Crossroads0.5 mi SE
- Summer Hill Trailer Park0.9 mi N
- Hidden Cove1.2 mi S
- South River Towers1.4 mi S
- Honeysuckle Ridge1.4 mi N
- Rolling Knolls1.5 mi E
- Rolling Hills1.5 mi E
- Iglehart1.6 mi NE
- Riva Woods1.7 mi S
- South River Manor1.8 mi S
- Whiskey Bottom1.9 mi SE
- Kalmia Ridge1.9 mi NE
- Woytych1.9 mi E
Questions about Sylmac
Where is Sylmac, MD?
Sylmac is an unincorporated community in Anne Arundel County, Maryland, 1.9 miles N of Crownsville.
What county is Sylmac in?
Sylmac is in Anne Arundel County, Maryland.
What is the ZIP code of Sylmac, MD?
The ZIP code for Sylmac is 21401.
What is the nearest town to Sylmac?
Crownsville, 1.9 miles away.
Are there webcams near Sylmac?
Yes. The closest is Crofton › East, 3.9 miles away.
What is the hottest month in Sylmac?
July, with an average high of 89°F (32°C).
What is the coldest month in Sylmac?
January, with an average low of 29°F (-2°C).
How much does it rain in Sylmac?
About 44.0 inches (1,118 mm) a year; the wettest month is September.
Does it snow in Sylmac?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Sylmac?
May–June and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Sylmac have?
Humid subtropical (Köppen Cfa).
Last updated: