Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Dumbarton is from June, July, August. — some variation climate
🌦Cool & rainy
| Score | 7 | 7 | 11 | 30 | 49 | 64 | 68 | 63 | 50 | 22 | 8 | 6 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cold | Cold | Cool & rainy | Cool & rainy | Cool & rainy | Cool & rainy | Cold | Cold | Cold |
| Temperature | 2–6°C | 2–7°C | 2–8°C | 3–11°C | 7–14°C | 10–17°C | 11–18°C | 11–17°C | 10–15°C | 7–12°C | 4–9°C | 3–7°C |
| Feels like | -2–2°C | -2–3°C | -1–5°C | 0–7°C | 4–12°C | 8–15°C | 10–16°C | 10–16°C | 8–14°C | 4–10°C | 1–6°C | -1–4°C |
| Precipitation | 141mm 21 days | 144mm 21 days | 116mm 20 days | 66mm 14 days | 88mm 17 days | 103mm 18 days | 113mm 21 days | 136mm 22 days | 116mm 17 days | 148mm 21 days | 129mm 18 days | 165mm 23 days |
| Sunshine | 2.5h ☀︎ 33% | 3.6h ☀︎ 37% | 4.9h ☀︎ 41% | 7.5h ☀︎ 53% | 8.1h ☀︎ 50% | 8.1h ☀︎ 46% | 7.5h ☀︎ 44% | 7.1h ☀︎ 48% | 5.7h ☀︎ 45% | 3.8h ☀︎ 36% | 2.8h ☀︎ 33% | 1.6h ☀︎ 23% |
| Wind | SW · 23 km/h | SW · 24 km/h | SW · 21 km/h | SW · 19 km/h | SW · 19 km/h | SW · 18 km/h | W · 18 km/h | SW · 19 km/h | SW · 19 km/h | SW · 21 km/h | SW · 20 km/h | SW · 22 km/h |
| Humidity (%) | 87% | 85% | 83% | 77% | 78% | 79% | 81% | 83% | 84% | 85% | 88% | 89% |
| Day length | 7.7h | 9.6h | 11.9h | 14.2h | 16.3h | 17.5h | 16.9h | 15.0h | 12.7h | 10.4h | 8.3h | 7.1h |