Discover the best time of year, based on historical climate, temperature, and precipitation.
The best time to visit Cornwall is May, June, September, when the weather, flight prices, and crowds align. — unpredictable climate
🌥Mild
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Contains affiliate links.
Contains affiliate links.
| Score | 11 | 12 | 13 | 32 | 84 | 76 | 74 | 73 | 83 | 54 | 17 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Mild | Humid | Humid | Humid | Mild | Mild | Cold | Polar |
| Temperature | -9–-2°C | -10–0°C | -4–5°C | 2–12°C | 8–20°C | 14–25°C | 18–27°C | 17–25°C | 13–22°C | 8–16°C | 1–8°C | -4–2°C |
| Feels like | -14–-6°C | -15–-5°C | -8–1°C | -2–9°C | 6–19°C | 14–25°C | 19–28°C | 18–27°C | 13–22°C | 6–14°C | -2–5°C | -9–-2°C |
| Precipitation | 81mm 12 days | 68mm 11 days | 81mm 11 days | 90mm 12 days | 63mm 12 days | 114mm 13 days | 132mm 13 days | 140mm 13 days | 74mm 10 days | 93mm 13 days | 75mm 12 days | 100mm 14 days |
| Sunshine | 3.6h ☀︎ 39% | 5.2h ☀︎ 50% | 6.3h ☀︎ 53% | 7.6h ☀︎ 56% | 10.8h ☀︎ 73% | 10.6h ☀︎ 68% | 11.7h ☀︎ 77% | 10.6h ☀︎ 76% | 9.3h ☀︎ 74% | 6.3h ☀︎ 57% | 5.3h ☀︎ 55% | 2.7h ☀︎ 31% |
| Wind | W · 17 km/h | W · 18 km/h | W · 19 km/h | W · 20 km/h | W · 17 km/h | SW · 17 km/h | SW · 15 km/h | SW · 14 km/h | SW · 15 km/h | SW · 17 km/h | W · 19 km/h | W · 19 km/h |
| Humidity (%) | 81% | 75% | 72% | 68% | 66% | 71% | 76% | 79% | 79% | 78% | 76% | 80% |
| Perfect days | 0% | 0% | 1% | 6% | 26% | 38% | 37% | 44% | 38% | 11% | 1% | 0% |
| Dry streak | 6d | 7d | 8d | 7d | 8d | 6d | 5d | 7d | 8d | 6d | 6d | 6d |
| Sunny streak | 6d | 6d | 9d | 9d | 13d | 12d | 18d | 17d | 12d | 7d | 6d | 3d |
| Extreme heat | — | — | — | — | — | — | 1% | — | — | — | — | — |
| Extreme cold | 95% | 94% | 83% | 35% | 1% | — | — | — | — | 5% | 47% | 82% |
| Temperature | +0.8° | +2.1° | +2.7° | +0.1° | +2.3° | +1.1° | +1.9° | +1.0° | +0.7° | +2.4° | +0.9° | +1.9° |
| Rainfall | Stable | Stable | Stable | Stable | Getting drier | Stable | Stable | Getting wetter | Stable | Stable | Stable | Stable |
| Ideal warm days | 0% | 0% | 0% | 1% | 7% | 19% | 31% | 24% | 12% | 1% | 0% | 0% |
| Outdoor comfort | 0% | 0% | 1% | 6% | 26% | 34% | 28% | 38% | 39% | 12% | 1% | 0% |
| Dry week odds | 4% | 9% | 11% | 7% | 8% | 4% | 2% | 5% | 12% | 2% | 4% | 3% |
| Heavy rain | 2% | 1% | 1% | 4% | 3% | 4% | 3% | 3% | 3% | 5% | 1% | 3% |
| Snow days | 58% | 57% | 39% | 18% | 1% | — | — | — | — | 3% | 24% | 54% |
| Muggy days | — | — | — | — | — | 3% | 11% | 8% | 2% | — | — | — |
| Day length | 9.2h | 10.4h | 11.9h | 13.5h | 14.9h | 15.6h | 15.2h | 14.0h | 12.5h | 10.9h | 9.6h | 8.8h |
| Tourist Crowds | Low season | Low season | Low season | Shoulder season | Shoulder season | High season | High season | High season | High season | Shoulder season | Shoulder season | Shoulder season |