Dahlgren, Virginia Climate
United States
Pop. 2,653 Elev. 8 m / 26 ft
TZ: America/New_York (UTC-4) ·
Summers in Dahlgren are warm, with July highs around 88°F (31°C), while winters are cold with January lows of 26°F (-3°C). Humidity pushes the summer feels-like temperature to around 105°F (41°C). Expect around 57 rainy days annually (40.4 in / 1025 mm total), with snow on 6 days and 32 in (807 mm) of annual accumulation. The city averages 136 sunny days per year and around 34 thunderstorm days. Ocean water temperatures reach 86°F (30°C) in summer.
| Temperature | 88°F (31°C) high | 26°F (-3°C) low |
| Feels like | 105°F (40°C) high | 21°F (-6°C) low |
| Rain | 57 days | 40.4 in (1025 mm) /yr |
| Snow | 6 days | 31.8 in (807 mm) /yr |
| Sky | 136 sunny | 34 stormy |
| Wind | 2.2 mph (1.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Apr, Jun, Aug, Oct
Sky & Air by Month
Cloud cover (%)
35
Jan 52
Feb 48
Mar 65
Apr 71
May 58
Jun 61
Jul 55
Aug 58
Sep 46
Oct 44
Nov 54
Dec Humidity (%)
62
Jan 62
Feb 54
Mar 60
Apr 69
May 74
Jun 78
Jul 76
Aug 79
Sep 70
Oct 62
Nov 65
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 36 mi Ronald Reagan Washington National Airport (DCA)
Ski resort 78 mi Snow Riders
National park 12 mi George Washington Birthplace National Monument
Mountain peak
(4,928 ft) 268 mi Third Peak
Hospital 14 mi University of Maryland Charles Regional Medical Center
Hiking trail 16 mi Holly Marsh Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 40°F 4°C | 26°F -3°C | 0.8 in 22 mm | 12.3 in311 mm | 20 |
| February | 48°F 9°C | 34°F 1°C | 3.9 in 98 mm | 13.8 in350 mm | 12 |
| March | 63°F 17°C | 45°F 7°C | 2.7 in 68 mm | — | 13 |
| April | 70°F 21°C | 54°F 12°C | 3.6 in 91 mm | — | 6 |
| May | 75°F 24°C | 62°F 17°C | 7.1 in 180 mm | — | 3 |
| June | 85°F 29°C | 71°F 22°C | 3.9 in 100 mm | — | 12 |
| July | 88°F 31°C | 76°F 24°C | 8.9 in 227 mm | — | 9 |
| August | 81°F 27°C | 69°F 20°C | 1.0 in 25 mm | — | 10 |
| September | 78°F 26°C | 65°F 18°C | 4.4 in 112 mm | — | 10 |
| October | 68°F 20°C | 54°F 12°C | 1.6 in 40 mm | — | 15 |
| November | 58°F 15°C | 44°F 6°C | 1.2 in 31 mm | — | 15 |
| December | 45°F 7°C | 32°F 0°C | 1.3 in 33 mm | 5.7 in145 mm | 11 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 20 | 0 |
| February | 12 | 1 |
| March | 13 | 0 |
| April | 6 | 1 |
| May | 3 | 7 |
| June | 12 | 7 |
| July | 9 | 13 |
| August | 10 | 0 |
| September | 10 | 4 |
| October | 15 | 1 |
| November | 15 | 0 |
| December | 11 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 44°F 7°C | 34°F 1°C |
| February | 41°F 5°C | 36°F 2°C |
| March | 53°F 11°C | 47°F 8°C |
| April | 63°F 17°C | 58°F 15°C |
| May | 72°F 22°C | 67°F 19°C |
| June | 84°F 29°C | 78°F 26°C |
| July | 86°F 30°C | 84°F 29°C |
| August | 84°F 29°C | 76°F 25°C |
| September | 76°F 25°C | 70°F 21°C |
| October | 73°F 23°C | 61°F 16°C |
| November | 60°F 15°C | 49°F 9°C |
| December | 50°F 10°C | 36°F 2°C |