MilBases
Weather & Climate at Naval Surface Warfare Center Dahlgren
Dahlgren, VA
Summary of the weather and climate in Dahlgren, VA:
- The average high is 66.5°F and the average low is 48.2°F.
- The hottest month is July with a high of 84.9°F.
- The coldest month is January with a low of 28.5°F.
- Annual rainfall is 43.64 inches; the rainiest month is September (4.65 in).
- Annual snowfall is 16.1 inches; the snowiest month is January (6.5 in).
Source: NOAA climate normals.
Temperatures through the year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Bars span each month's average low to average high (20°F – 90°F scale).
Monthly averages
| Month | High (°F) | Low (°F) | Rain (in) | Snow (in) | |
|---|---|---|---|---|---|
| January | 44.7 | 28.5 | 3.08 | 6.5 | |
| February | 49 | 30.7 | 2.66 | 4.8 | |
| March | 57.7 | 36.3 | 3.77 | 0.9 | |
| April | 68.9 | 45.7 | 3.49 | 0.2 | |
| May | 74.8 | 55 | 3.76 | 0 | |
| June | 81.8 | 64.1 | 3.9 | 0 | |
| July | 84.9 | 68.7 | 4.07 | 0 | |
| August | 83.4 | 67.7 | 4.25 | 0 | |
| September | 77.4 | 60.3 | 4.65 | 0 | |
| October | 68 | 49.5 | 3.48 | 0 | |
| November | 59 | 40.7 | 3.36 | 0.9 | |
| December | 48 | 31.4 | 3.17 | 2.8 |