Dahlgren Center, VA climate
Dahlgren Center has chilly winters and warm summers. A typical July afternoon reaches 89°, a January night drops to 28°, and about 12 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Dahlgren Center feels like
Winter
Spring
Summer
Fall
Dahlgren Center weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 46° | 28° | 2.9" | 3.5" | 9 | 2 | 29° – 44° |
| February | 49° | 29° | 2.6" | 5.8" | 9 | 4 | 29° – 47° |
| March | 57° | 36° | 3.7" | 1.4" | 11 | 1 | 41° – 56° |
| April | 68° | 46° | 3.2" | 0 | 10 | 0 | 53° – 62° |
| May | 76° | 56° | 4.0" | 0 | 13 | 0 | 61° – 72° |
| June | 84° | 65° | 4.0" | 0 | 11 | 0 | 69° – 79° |
| July | 89° | 70° | 4.2" | 0 | 10 | 0 | 74° – 83° |
| August | 87° | 68° | 4.2" | 0 | 8 | 0 | 72° – 81° |
| September | 80° | 62° | 4.5" | 0 | 9 | 0 | 68° – 76° |
| October | 69° | 50° | 3.6" | 0 | 9 | 0 | 55° – 66° |
| November | 59° | 39° | 3.0" | 0 | 9 | 0 | 43° – 54° |
| December | 50° | 32° | 3.6" | 1.7" | 10 | 1 | 32° – 52° |
| Year | 68° | 48° | 43.6" | 12.4" | 118 | 8 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Dahlgren Center
Dahlgren Center gets 44 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 118 days a year. Snow covers the ground about 8 days of the year.
About 226 frost-free days a year
In half of years the last 32° night comes by March 28 and the first one by November 8. That leaves about 226 frost-free days for gardens, longer than 84% of U.S. towns.
Heating and cooling a home in Dahlgren Center
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Dahlgren Center, 73% of that work is heating and 27% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Dahlgren Center compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Dahlgren Center averaged 1.7° warmer than the 1900s. The biggest change is in December (+2.7°). The shift is larger than in 80% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Dahlgren Center’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 32° to 52°. September is the most reliable, staying within 8°.
Common questions about Dahlgren Center’s climate
What is the coldest month in Dahlgren Center?
January, with a typical high of 46° and a low of 28°.
What is the hottest month in Dahlgren Center?
July, with a typical high of 89° and a low of 70°. About 30 days a year reach 90°.
How much snow does Dahlgren Center get?
About 12 inches in a normal winter, most of it in February.
When is the first frost in Dahlgren Center?
In half of years the first 32° night comes by November 8, and the last spring frost by March 28.
What is the rainiest month in Dahlgren Center?
September, with 4.5 inches of rain and melted snow. The year totals 44 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Dahlgren Center itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Quantico Mcas, VA (19 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.