South River, MD
Unincorporated community in Anne Arundel County, Maryland
South River is a small unincorporated community in Anne Arundel County, Maryland. It is 2.6 miles E of Mayo, the nearest town. Its ZIP code is 21037.
South River at a glance
- State
- Maryland
- County
- Anne Arundel County
- ZIP code
- 21037
- Nearest town
- Mayo (2.6 mi)
- Time zone
- America/New York
- Coordinates
- 38.9031, -76.5608
Weather in South River now
Loading the National Weather Service forecast…
South River weather by the hour
South River weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of South River.
This week in South River
Sunrise, sunset and moon in South River
What is the weather usually like in South River?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 89°F average high
- Januarycoldest month · 29°F average low
- 45.7 inprecipitation per year · 1,160 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit South River: 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 South River.
South River weather month by month
Sunrise and sunset in South River through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:21 AM | 5:09 PM | 9 h 48 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 | 8:34 PM | 14 h 56 min |
| July | 5:51 AM | 8:32 PM | 14 h 40 min |
| August | 6:18 AM | 8:02 PM | 13 h 43 min |
| September | 6:46 AM | 7:16 PM | 12 h 29 min |
| October | 7:14 AM | 6:29 PM | 11 h 14 min |
| November | 6:47 AM | 4:53 PM | 10 h 6 min |
| December | 7:16 AM | 4:46 PM | 9 h 30 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in South River?
South River 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 45.7 inches (1,160 mm) of precipitation a year. The wettest month is July and the driest is February.
The best time to visit South River 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 South River
The closest live webcam is Crofton › East, 6.2 miles NW of South River.
Webcams: Windy.com. Distances in a straight line from South River.
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Map of South River, MD
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
South River Street View
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Open in Google Maps ›Towns near South River
Other communities near South River
- South River Estates0.3 mi W
- Clubhouse Estates0.6 mi W
- Coxby Estates1.3 mi NE
- Tameron Hall1.4 mi W
- River Club Estates1.7 mi E
- Birdsville1.7 mi W
- Steuart Level1.8 mi N
- Woodland Beach2.1 mi N
- Hazelwood2.1 mi N
- Larkington2.1 mi NE
- Turnbull Estates2.1 mi NE
- Germantown2.1 mi E
- Steuart Corner2.2 mi N
- Ponder Cove2.2 mi E
- Withernsea2.2 mi NW
Questions about South River
Where is South River, MD?
South River is an unincorporated community in Anne Arundel County, Maryland, 2.6 miles E of Mayo.
What county is South River in?
South River is in Anne Arundel County, Maryland.
What is the ZIP code of South River, MD?
The ZIP code for South River is 21037.
What is the nearest town to South River?
Mayo, 2.6 miles away.
Are there webcams near South River?
Yes. The closest is Crofton › East, 6.2 miles away.
What is the hottest month in South River?
July, with an average high of 89°F (32°C).
What is the coldest month in South River?
January, with an average low of 29°F (-2°C).
How much does it rain in South River?
About 45.7 inches (1,160 mm) a year; the wettest month is July.
Does it snow in South River?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit South River?
May–June and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does South River have?
Humid subtropical (Köppen Cfa).
Last updated: