Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Lake Oswego is from July, August, September. — consistent weather climate
🌦Humid
| Score | 7 | 19 | 31 | 42 | 70 | 74 | 95 | 95 | 89 | 76 | 10 | 7 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cold | Cool & rainy | Humid | Pleasant | Pleasant | Pleasant | Cool & rainy | Cold | Cold |
| Temperature | 3–9°C | 2–10°C | 3–12°C | 5–16°C | 8–20°C | 11–25°C | 14–30°C | 15–30°C | 13–26°C | 9–19°C | 4–11°C | 3–9°C |
| Feels like | 0–6°C | -2–7°C | -1–10°C | 2–14°C | 6–19°C | 10–24°C | 14–30°C | 15–30°C | 12–25°C | 7–17°C | 1–9°C | 0–6°C |
| Precipitation | 232mm 24 days | 127mm 18 days | 120mm 19 days | 124mm 16 days | 105mm 14 days | 82mm 10 days | 6mm 2 days | 12mm 2 days | 62mm 7 days | 101mm 11 days | 211mm 18 days | 249mm 23 days |
| Sunshine | 2.5h ☀︎ 28% | 4.4h ☀︎ 42% | 6.0h ☀︎ 50% | 8.1h ☀︎ 60% | 9.5h ☀︎ 63% | 11.7h ☀︎ 75% | 13.7h ☀︎ 90% | 12.0h ☀︎ 85% | 10.0h ☀︎ 80% | 7.2h ☀︎ 66% | 4.1h ☀︎ 43% | 2.6h ☀︎ 30% |
| Wind | SE · 19 km/h | S · 17 km/h | S · 16 km/h | SW · 17 km/h | W · 15 km/h | NW · 16 km/h | N · 15 km/h | NW · 15 km/h | N · 14 km/h | SW · 15 km/h | S · 18 km/h | SE · 19 km/h |
| Humidity (%) | 87% | 84% | 82% | 76% | 74% | 68% | 57% | 58% | 66% | 79% | 86% | 88% |
| Day length | 9.2h | 10.4h | 11.9h | 13.5h | 14.9h | 15.6h | 15.2h | 14.0h | 12.5h | 10.9h | 9.5h | 8.8h |