Sigma is a community near Sandbridge in the independent city of Virginia Beach, Virginia, United States. Sigma lies just south of Lago Mar on Ashville Bridge Creek along Sandbridge Road at its intersection with New Bridge Road.

Sigma
American Lotus in Sigma area of Virginia Beach
American Lotus in Sigma area of Virginia Beach
Sigma is located in Virginia
Sigma
Sigma
Location within the Commonwealth of Virginia
Sigma is located in the United States
Sigma
Sigma
Sigma (the United States)
Coordinates: 36°43′55″N 75°59′10″W / 36.73194°N 75.98611°W / 36.73194; -75.98611
CountryUnited States
StateVirginia
Independent cityVirginia Beach
Time zoneUTC−5 (Eastern (EST))
 • Summer (DST)UTC−4 (EDT)
GNIS feature ID1497153[1]

The Back Bay National Wildlife Refuge has its administrative building on Sandbridge Road, and there is a large native garden of American Lotus across the street on a tributary of the Currituck Sound. Tabernacle United Methodist Church and Margie and Ray's Crabhouse are landmarks in the Sigma area.

Like much of the Southeastern United States, the Sigma area of Virginia Beach has a subtropical climate, characterized by short, relatively mild winters and long, hot and humid summers. Daytime high temperatures in July average around 90 °F (32 °C) and in January, daytime temperatures average around 52 °F (11 °C).[2]

Climate data for Sigma, Virginia Beach, VA (1996–2023)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 79
(26)
85
(29)
88
(31)
94
(34)
99
(37)
103
(39)
104
(40)
102
(39)
98
(37)
96
(36)
86
(30)
82
(28)
104
(40)
Mean daily maximum °F (°C) 52
(11)
55
(13)
62
(17)
71
(22)
79
(26)
86
(30)
90
(32)
88
(31)
82
(28)
73
(23)
63
(17)
56
(13)
71
(22)
Mean daily minimum °F (°C) 36
(2)
38
(3)
44
(7)
52
(11)
61
(16)
70
(21)
74
(23)
73
(23)
68
(20)
58
(14)
47
(8)
40
(4)
55
(13)
Record low °F (°C) 12
(−11)
11
(−12)
22
(−6)
33
(1)
42
(6)
51
(11)
60
(16)
60
(16)
52
(11)
37
(3)
28
(−2)
15
(−9)
11
(−12)
Average precipitation inches (mm) 3.56
(90.424)
3.49
(88.646)
3.59
(91.186)
4.24
(107.696)
4.35
(110.49)
5.03
(127.762)
6.64
(168.656)
6.17
(156.718)
6.38
(162.052)
4.08
(103.632)
3.75
(95.25)
4.35
(110.49)
55.63
(1,413.002)
Average snowfall inches (mm) 2.06
(52.324)
0.61
(15.494)
0.06
(1.524)
0.00
(0.1016)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.53
(13.462)
3.26
(82.9056)
Source: Sigma Weather
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References

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  1. ^ U.S. Geological Survey Geographic Names Information System: Sigma, Virginia
  2. ^ "Virginia Beach Weather". Weather Underground. Retrieved 13 December 2012.