Climate & Weather in Arlington
Arlington has a genuine Mid-Atlantic, humid-subtropical-to-continental-transition climate at its core: real four-season variation with hot, humid summers and cool-to-cold winters with periodic snow -- consistent with the base Arlington record's disclosed research gap that specific NOAA climate-normal average temperatures and snowfall totals were NOT independently re-verified this session, and this page continues that same honest disclosure rather than inventing precise figures.
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Learn moreA Genuine Four-Season, Humid-Subtropical-to-Continental-Transition Climate
As disclosed in the base Arlington record, Arlington's climate sits in a well-established Mid-Atlantic transition zone between humid subtropical and humid continental classifications -- consistent with the record's FOUR_SEASONS, HOT_SUMMERS, and HUMID tags. This produces hot, humid summers and cool-to-cold winters with periodic snow, a genuinely different profile from Denver's semi-arid high-plains climate or Phoenix/Tucson's desert heat, both covered elsewhere in this project.
An Honestly Disclosed Research Gap, Carried Forward From the Base Record
The base Arlington record explicitly discloses that specific NOAA/climate-normal average-temperature figures were NOT independently re-verified in its research session, because that session's WebSearch budget was exhausted before a dedicated Arlington-climate-normals search could run. This topic page's own research pass this session likewise did not independently source precise average-high/low or annual-snowfall figures for Arlington specifically -- rather than inventing a number to fill that gap, it is disclosed again here, consistent with the base record's own honesty about what wasn't confirmed.
Humidity Is a Real, Distinctive Summer Factor
Consistent with the base record's HUMID tag, Arlington's summers carry real, well-established Mid-Atlantic humidity -- a genuinely different day-to-day summer experience from Denver's low-humidity semi-arid summers or the Southwest's dry desert heat, both covered elsewhere in this project. Anyone relocating from a drier climate should expect this as a real adjustment factor.
Severe Thunderstorms and Flash-Flood Season Run Spring Through Summer
As detailed on the flood-hurricane-risk topic page, Arlington's real severe-weather risk -- flash flooding and severe thunderstorms, not hurricane wind or hail-dominant storms -- concentrates in spring and summer, the same general pattern that produced the July 8, 2019 flash flood (4.5 inches of rain in one hour, Four Mile Run rising more than 11 feet). This is a real, seasonal weather-planning consideration distinct from winter-specific concerns.
Winters Bring Periodic Snow, Without the Mountain-Adjacent Extremes of Some Other Metros
Arlington's winters bring periodic snow consistent with a genuine Mid-Atlantic cool-to-cold winter climate, though this pass did not independently source specific average-snowfall totals (see the disclosed gap above). This is a genuinely different winter profile from mountain-adjacent metros covered elsewhere in this project, where the nearby mountains themselves accumulate much deeper snowfall than the city proper.
Key takeaways
- Arlington has a genuine Mid-Atlantic, humid-subtropical-to-continental-transition climate: hot, humid summers and cool-to-cold winters with periodic snow -- a distinctly different profile from Denver's semi-arid climate or Southwest desert heat covered elsewhere in this project.
- This page honestly carries forward a real, disclosed gap from the base Arlington record: specific NOAA climate-normal average-temperature and snowfall figures were not independently re-verified this session either, rather than inventing precise numbers to fill the gap.
- Humidity is a real, distinctive summer factor for Arlington -- a genuine adjustment for anyone relocating from a drier climate.
- Severe thunderstorms and flash-flood risk concentrate in spring and summer -- the same seasonal pattern behind the July 2019 flash flood detailed on the flood-hurricane-risk topic page.
- Winters bring periodic snow consistent with a genuine Mid-Atlantic cool-to-cold climate, though specific average-snowfall figures were not independently sourced this session.
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