Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Reston is from April, May, October. — consistent weather climate
🌦Humid
| Score | 15 | 20 | 35 | 74 | 76 | 74 | 52 | 67 | 73 | 83 | 47 | 18 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Mild | Humid | Humid | Hot & rainy | Humid | Humid | Mild | Cold | Cold |
| Temperature | -2–6°C | -1–9°C | 2–13°C | 8–19°C | 13–23°C | 18–29°C | 21–31°C | 20–30°C | 17–26°C | 11–20°C | 4–13°C | 1–9°C |
| Feels like | -7–2°C | -5–5°C | -2–9°C | 4–17°C | 12–24°C | 18–30°C | 23–34°C | 22–32°C | 17–27°C | 9–19°C | 1–10°C | -3–6°C |
| Precipitation | 85mm 9 days | 82mm 9 days | 93mm 9 days | 95mm 9 days | 118mm 12 days | 125mm 10 days | 163mm 11 days | 133mm 11 days | 134mm 11 days | 82mm 8 days | 73mm 6 days | 101mm 9 days |
| Sunshine | 6.0h ☀︎ 61% | 6.7h ☀︎ 62% | 8.0h ☀︎ 67% | 9.1h ☀︎ 69% | 9.1h ☀︎ 63% | 11.5h ☀︎ 77% | 11.6h ☀︎ 80% | 10.7h ☀︎ 79% | 8.8h ☀︎ 71% | 8.0h ☀︎ 72% | 7.6h ☀︎ 75% | 5.8h ☀︎ 61% |
| Wind | W · 19 km/h | W · 19 km/h | W · 19 km/h | W · 19 km/h | SW · 16 km/h | SW · 16 km/h | SW · 13 km/h | SW · 13 km/h | N · 14 km/h | W · 16 km/h | W · 17 km/h | W · 17 km/h |
| Humidity (%) | 68% | 66% | 65% | 64% | 71% | 68% | 71% | 74% | 74% | 73% | 68% | 71% |
| Day length | 9.8h | 10.8h | 12.0h | 13.2h | 14.3h | 14.9h | 14.6h | 13.6h | 12.4h | 11.2h | 10.1h | 9.5h |