Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Guyancourt is from July, August, September. — consistent weather climate
🌥Mild
| Score | 10 | 17 | 33 | 52 | 75 | 79 | 83 | 82 | 81 | 59 | 29 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cold | Mild | Humid | Pleasant | Pleasant | Mild | Mild | Cold | Cold |
| Temperature | 2–7°C | 4–10°C | 4–12°C | 6–15°C | 9–18°C | 13–23°C | 15–24°C | 15–24°C | 13–21°C | 10–17°C | 5–11°C | 4–8°C |
| Feels like | -2–3°C | 0–6°C | 0–8°C | 2–12°C | 7–17°C | 12–22°C | 14–24°C | 15–24°C | 12–20°C | 8–15°C | 2–8°C | 0–5°C |
| Precipitation | 63mm 12 days | 57mm 11 days | 70mm 12 days | 54mm 10 days | 73mm 13 days | 83mm 11 days | 58mm 9 days | 72mm 9 days | 74mm 10 days | 98mm 13 days | 55mm 9 days | 81mm 13 days |
| Sunshine | 2.9h ☀︎ 33% | 4.3h ☀︎ 42% | 7.2h ☀︎ 60% | 10.1h ☀︎ 73% | 11.0h ☀︎ 72% | 12.0h ☀︎ 74% | 11.8h ☀︎ 75% | 10.9h ☀︎ 76% | 9.2h ☀︎ 73% | 5.7h ☀︎ 53% | 4.2h ☀︎ 46% | 2.1h ☀︎ 26% |
| Wind | W · 22 km/h | SW · 24 km/h | SW · 21 km/h | N · 20 km/h | NW · 19 km/h | NW · 17 km/h | W · 18 km/h | W · 17 km/h | W · 17 km/h | SW · 20 km/h | SW · 20 km/h | SW · 22 km/h |
| Humidity (%) | 88% | 82% | 77% | 70% | 71% | 70% | 66% | 69% | 74% | 82% | 87% | 90% |
| Day length | 8.8h | 10.2h | 11.9h | 13.7h | 15.3h | 16.1h | 15.7h | 14.3h | 12.6h | 10.8h | 9.2h | 8.3h |