Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Billerica is from May, June, August. — consistent weather climate
🌦Humid
| Score | 12 | 13 | 16 | 40 | 82 | 80 | 71 | 78 | 75 | 67 | 38 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Cold | Cold | Cold | Mild | Humid | Humid | Humid | Humid | Cool & rainy | Cold | Cold |
| Temperature | -5–3°C | -5–5°C | -1–10°C | 4–14°C | 9–21°C | 15–26°C | 19–29°C | 18–28°C | 14–23°C | 9–18°C | 3–11°C | -2–6°C |
| Feels like | -9–-1°C | -10–1°C | -5–6°C | 0–11°C | 7–20°C | 15–27°C | 20–31°C | 19–29°C | 13–24°C | 7–16°C | -1–8°C | -6–2°C |
| Precipitation | 103mm 11 days | 74mm 10 days | 118mm 10 days | 103mm 11 days | 85mm 8 days | 84mm 9 days | 135mm 12 days | 106mm 9 days | 131mm 9 days | 114mm 9 days | 67mm 6 days | 130mm 9 days |
| Sunshine | 5.4h ☀︎ 57% | 6.6h ☀︎ 62% | 8.1h ☀︎ 68% | 7.8h ☀︎ 59% | 10.8h ☀︎ 74% | 11.0h ☀︎ 72% | 11.0h ☀︎ 74% | 10.4h ☀︎ 75% | 8.7h ☀︎ 70% | 7.7h ☀︎ 70% | 7.2h ☀︎ 73% | 5.6h ☀︎ 62% |
| Wind | NW · 18 km/h | W · 18 km/h | W · 19 km/h | W · 19 km/h | W · 17 km/h | SW · 16 km/h | SW · 15 km/h | W · 15 km/h | W · 15 km/h | W · 15 km/h | W · 18 km/h | W · 17 km/h |
| Humidity (%) | 69% | 68% | 65% | 67% | 66% | 68% | 74% | 74% | 77% | 77% | 69% | 72% |
| Day length | 9.5h | 10.6h | 12.0h | 13.4h | 14.6h | 15.3h | 14.9h | 13.9h | 12.5h | 11.0h | 9.8h | 9.1h |