Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Islesboro is from June, August, September. — consistent weather climate
🌥Mild
| Score | 11 | 14 | 12 | 21 | 65 | 79 | 76 | 78 | 78 | 50 | 22 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Mild | Mild | Humid | Humid | Cool & rainy | Cool & rainy | Cold | Cold |
| Temperature | -6–1°C | -6–1°C | -2–5°C | 3–10°C | 8–16°C | 13–20°C | 17–24°C | 17–23°C | 14–20°C | 9–15°C | 3–9°C | -3–4°C |
| Feels like | -11–-4°C | -12–-3°C | -7–1°C | -2–7°C | 5–14°C | 12–21°C | 18–26°C | 17–25°C | 13–20°C | 6–13°C | -2–5°C | -8–-1°C |
| Precipitation | 109mm 12 days | 75mm 9 days | 124mm 12 days | 119mm 12 days | 80mm 7 days | 90mm 10 days | 124mm 10 days | 112mm 9 days | 122mm 8 days | 135mm 10 days | 90mm 8 days | 147mm 12 days |
| Sunshine | 5.3h ☀︎ 57% | 6.7h ☀︎ 64% | 7.5h ☀︎ 62% | 8.1h ☀︎ 60% | 10.5h ☀︎ 71% | 10.3h ☀︎ 67% | 9.8h ☀︎ 64% | 10.0h ☀︎ 71% | 9.2h ☀︎ 74% | 7.4h ☀︎ 67% | 6.7h ☀︎ 70% | 5.0h ☀︎ 56% |
| Wind | NW · 24 km/h | NW · 24 km/h | W · 25 km/h | NW · 24 km/h | SW · 21 km/h | SW · 20 km/h | SW · 18 km/h | SW · 18 km/h | W · 19 km/h | W · 19 km/h | W · 24 km/h | NW · 24 km/h |
| Humidity (%) | 70% | 69% | 71% | 71% | 72% | 81% | 83% | 82% | 79% | 79% | 71% | 72% |
| Day length | 9.3h | 10.5h | 12.0h | 13.5h | 14.8h | 15.5h | 15.1h | 14.0h | 12.5h | 11.0h | 9.6h | 8.9h |