Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Lewiston is from July, August, September. — consistent weather climate
🌥Mild
| Score | 12 | 13 | 14 | 28 | 79 | 78 | 80 | 80 | 84 | 52 | 19 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Mild | Humid | Humid | Humid | Mild | Cold | Cold | Polar |
| Temperature | -10–-1°C | -10–0°C | -5–5°C | 1–11°C | 8–19°C | 13–23°C | 17–27°C | 17–26°C | 13–22°C | 7–15°C | 0–8°C | -6–2°C |
| Feels like | -15–-5°C | -15–-4°C | -10–1°C | -2–8°C | 5–17°C | 12–23°C | 18–28°C | 17–27°C | 12–22°C | 4–13°C | -4–4°C | -11–-2°C |
| Precipitation | 101mm 11 days | 78mm 10 days | 87mm 10 days | 107mm 12 days | 69mm 8 days | 95mm 11 days | 91mm 9 days | 94mm 9 days | 85mm 7 days | 117mm 10 days | 90mm 9 days | 124mm 11 days |
| Sunshine | 5.8h ☀︎ 63% | 6.9h ☀︎ 66% | 8.0h ☀︎ 67% | 7.6h ☀︎ 56% | 9.6h ☀︎ 65% | 10.7h ☀︎ 69% | 11.4h ☀︎ 76% | 10.7h ☀︎ 77% | 9.4h ☀︎ 75% | 6.9h ☀︎ 63% | 6.4h ☀︎ 67% | 5.4h ☀︎ 60% |
| Wind | NW · 18 km/h | W · 18 km/h | NW · 19 km/h | NW · 18 km/h | SW · 17 km/h | SW · 16 km/h | SW · 15 km/h | SW · 14 km/h | W · 15 km/h | W · 16 km/h | W · 18 km/h | NW · 17 km/h |
| Humidity (%) | 71% | 70% | 68% | 69% | 70% | 72% | 73% | 76% | 77% | 78% | 73% | 74% |
| Day length | 9.3h | 10.5h | 12.0h | 13.5h | 14.8h | 15.4h | 15.1h | 14.0h | 12.5h | 11.0h | 9.6h | 8.9h |