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Climate & Weather Averages in Gwynn Island, Virginia, USA

Currently: 81 °F. Broken clouds. (Weather station: Norfolk Naval Air Station, USA). See more current weather

Annual Weather Averages in Langley Air Force Base

Langley Air Force Base is 30 miles from Gwynn Island, so the actual climate in Gwynn Island can vary a bit.

Based on weather reports collected during 1992–2021.

Jan
49
32
3.16
Feb
51
34
3.06
Mar
58
40
3.64
Apr
68
48
3.2
May
76
58
3.46
Jun
83
67
4.04
Jul
88
72
4.65
Aug
85
71
5.45
Sep
80
65
4.29
Oct
71
54
4.22
Nov
61
42
3.39
Dec
53
35
3.31

All Year Climate & Weather Averages in Gwynn Island

High Temp: 88 °F

Low Temp: 32 °F

Mean Temp: 60 °F

Precipitation: 3.82"

Humidity: 74%

Dew Point: 51 °F

Wind: 17 mph

Pressure: 30.06 "Hg

Visibility: 8 mi

January Climate & Weather Averages in Gwynn Island

High Temp: 49 °F

Low Temp: 32 °F

Mean Temp: 40 °F

Precipitation: 3.16"

Humidity: 72%

Dew Point: 31 °F

Wind: 17 mph

Pressure: 30.12 "Hg

Visibility: 8 mi

February Climate & Weather Averages in Gwynn Island

High Temp: 51 °F

Low Temp: 34 °F

Mean Temp: 43 °F

Precipitation: 3.06"

Humidity: 70%

Dew Point: 32 °F

Wind: 18 mph

Pressure: 30.10 "Hg

Visibility: 8 mi

March Climate & Weather Averages in Gwynn Island

High Temp: 58 °F

Low Temp: 40 °F

Mean Temp: 49 °F

Precipitation: 3.64"

Humidity: 68%

Dew Point: 37 °F

Wind: 20 mph

Pressure: 30.07 "Hg

Visibility: 8 mi

April Climate & Weather Averages in Gwynn Island

High Temp: 68 °F

Low Temp: 48 °F

Mean Temp: 58 °F

Precipitation: 3.20"

Humidity: 68%

Dew Point: 47 °F

Wind: 19 mph

Pressure: 30.01 "Hg

Visibility: 8 mi

May Climate & Weather Averages in Gwynn Island

High Temp: 76 °F

Low Temp: 58 °F

Mean Temp: 67 °F

Precipitation: 3.46"

Humidity: 73%

Dew Point: 57 °F

Wind: 17 mph

Pressure: 30.02 "Hg

Visibility: 8 mi

June Climate & Weather Averages in Gwynn Island

High Temp: 83 °F

Low Temp: 67 °F

Mean Temp: 75 °F

Precipitation: 4.04"

Humidity: 75%

Dew Point: 66 °F

Wind: 16 mph

Pressure: 29.99 "Hg

Visibility: 8 mi

July Climate & Weather Averages in Gwynn Island

High Temp: 88 °F

Low Temp: 72 °F

Mean Temp: 80 °F

Precipitation: 4.65"

Humidity: 75%

Dew Point: 70 °F

Wind: 15 mph

Pressure: 30.00 "Hg

Visibility: 8 mi

August Climate & Weather Averages in Gwynn Island

High Temp: 85 °F

Low Temp: 71 °F

Mean Temp: 78 °F

Precipitation: 5.45"

Humidity: 78%

Dew Point: 70 °F

Wind: 14 mph

Pressure: 30.03 "Hg

Visibility: 8 mi

September Climate & Weather Averages in Gwynn Island

High Temp: 80 °F

Low Temp: 65 °F

Mean Temp: 73 °F

Precipitation: 4.29"

Humidity: 78%

Dew Point: 65 °F

Wind: 15 mph

Pressure: 30.06 "Hg

Visibility: 8 mi

October Climate & Weather Averages in Gwynn Island

High Temp: 71 °F

Low Temp: 54 °F

Mean Temp: 62 °F

Precipitation: 4.22"

Humidity: 77%

Dew Point: 54 °F

Wind: 15 mph

Pressure: 30.08 "Hg

Visibility: 8 mi

November Climate & Weather Averages in Gwynn Island

High Temp: 61 °F

Low Temp: 42 °F

Mean Temp: 51 °F

Precipitation: 3.39"

Humidity: 74%

Dew Point: 42 °F

Wind: 15 mph

Pressure: 30.14 "Hg

Visibility: 8 mi

December Climate & Weather Averages in Gwynn Island

High Temp: 53 °F

Low Temp: 35 °F

Mean Temp: 44 °F

Precipitation: 3.31"

Humidity: 75%

Dew Point: 36 °F

Wind: 16 mph

Pressure: 30.13 "Hg

Visibility: 8 mi

Quick Climate Info

Hottest MonthJuly (80 °F avg)
Coldest MonthJanuary (40 °F avg)
Wettest MonthAugust (5.45" avg)
Windiest MonthMarch (20 mph avg)
Annual precip.45.85" (per year)

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