United States · urban-centre population 74,481
Ashburn
Weather values are area-weighted across the 30 km² urban centre (1 ERA5 cells).
35.4
matching days / year for “Beach weather” · 2021-2025 recent-weather sample (not a 30-year normal)
Monthly high (p10–p90)
Whiskers span the 10th–90th percentile daily high; the tick marks the monthly average.
- January: average 6°C, p10 0°C, p90 13°C
- February: average 9°C, p10 1°C, p90 17°C
- March: average 15°C, p10 8°C, p90 22°C
- April: average 20°C, p10 12°C, p90 28°C
- May: average 24°C, p10 17°C, p90 30°C
- June: average 29°C, p10 24°C, p90 34°C
- July: average 32°C, p10 29°C, p90 35°C
- August: average 30°C, p10 26°C, p90 34°C
- September: average 26°C, p10 21°C, p90 31°C
- October: average 21°C, p10 16°C, p90 26°C
- November: average 14°C, p10 7°C, p90 22°C
- December: average 9°C, p10 3°C, p90 15°C
Matching days by month · Beach weather
- January: 0.0 matching days per year
- February: 0.0 matching days per year
- March: 0.4 matching days per year
- April: 2.4 matching days per year
- May: 4.8 matching days per year
- June: 5.8 matching days per year
- July: 1.4 matching days per year
- August: 4.8 matching days per year
- September: 8.6 matching days per year
- October: 6.4 matching days per year
- November: 0.8 matching days per year
- December: 0.0 matching days per year
Presets
- Eternal spring: 25.4 days/yr
- Mild and dry: 44.8 days/yr
- Beach weather: 35.4 days/yr
- Crisp and clear: 30.6 days/yr
- Warm, not sweaty: 43.0 days/yr