Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Belfast is from July, August, September. — consistent weather climate
🌦Cool & rainy
| Score | 8 | 10 | 11 | 20 | 52 | 75 | 76 | 77 | 78 | 51 | 9 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Cold | Cool & rainy | Humid | Humid | Cool & rainy | Cold | Cold | Cold |
| Temperature | -7–0°C | -9–0°C | -4–4°C | 1–9°C | 5–15°C | 12–21°C | 17–24°C | 17–24°C | 13–20°C | 8–15°C | 2–8°C | -3–3°C |
| Feels like | -13–-5°C | -14–-5°C | -10–-1°C | -4–5°C | 2–13°C | 11–21°C | 17–26°C | 17–25°C | 12–20°C | 6–13°C | -2–4°C | -8–-1°C |
| Precipitation | 136mm 17 days | 110mm 14 days | 113mm 15 days | 83mm 12 days | 74mm 11 days | 122mm 13 days | 118mm 12 days | 108mm 12 days | 101mm 10 days | 90mm 11 days | 121mm 14 days | 115mm 16 days |
| Sunshine | 2.6h ☀︎ 28% | 4.8h ☀︎ 47% | 5.8h ☀︎ 49% | 7.9h ☀︎ 58% | 9.4h ☀︎ 63% | 9.3h ☀︎ 59% | 10.4h ☀︎ 68% | 10.6h ☀︎ 75% | 9.2h ☀︎ 74% | 6.8h ☀︎ 62% | 3.6h ☀︎ 38% | 2.7h ☀︎ 30% |
| Wind | NW · 24 km/h | W · 24 km/h | W · 24 km/h | NW · 23 km/h | W · 21 km/h | SW · 20 km/h | SW · 18 km/h | SW · 18 km/h | W · 21 km/h | W · 21 km/h | W · 26 km/h | W · 25 km/h |
| Humidity (%) | 80% | 77% | 75% | 74% | 72% | 76% | 79% | 78% | 79% | 78% | 77% | 79% |
| Day length | 9.1h | 10.4h | 11.9h | 13.6h | 15.0h | 15.7h | 15.3h | 14.1h | 12.5h | 10.9h | 9.5h | 8.7h |