Weather World
Cornwall Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 29°F Lo 18°F | Hi 28°F Lo 16°F | Hi 33°F Lo 23°F | Hi 43°F Lo 33°F | Hi 54°F Lo 42°F | Hi 64°F Lo 52°F | Hi 72°F Lo 61°F | Hi 73°F Lo 62°F | Hi 66°F Lo 56°F | Hi 55°F Lo 47°F | Hi 45°F Lo 36°F | Hi 36°F Lo 27°F |
| 14 mph | 13 mph | 13 mph | 12 mph | 11 mph | 10 mph | 10 mph | 10 mph | 11 mph | 13 mph | 14 mph | 14 mph |
| 4.3 in | 4.4 in | 4.1 in | 3.9 in | 3.7 in | 4.8 in | 4 in | 4.6 in | 4.6 in | 4.6 in | 6.5 in | 6.2 in |
| 86% | 88% | 85% | 82% | 80% | 81% | 81% | 79% | 78% | 78% | 79% | 81% |
| 72% | 70% | 68% | 60% | 53% | 49% | 43% | 39% | 44% | 53% | 63% | 72% |
| 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in |
| 12 | 11 | 15 | 18 | 24 | 22 | 25 | 24 | 24 | 24 | 19 | 15 |
| 11 | 9 | 9 | 8 | 7 | 8 | 6 | 7 | 6 | 6 | 9 | 10 |
| 9 | 9 | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
| 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 |
| 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 2 | 1 | 1 |
| 63 | 67 | 79 | 110 | 139 | 144 | 173 | 191 | 176 | 134 | 99 | 66 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -2°C Lo -8°C | Hi -2°C Lo -9°C | Hi 1°C Lo -5°C | Hi 6°C Lo 0°C | Hi 12°C Lo 6°C | Hi 18°C Lo 11°C | Hi 22°C Lo 16°C | Hi 23°C Lo 17°C | Hi 19°C Lo 13°C | Hi 13°C Lo 8°C | Hi 7°C Lo 2°C | Hi 2°C Lo -3°C |
| 22 km/h | 20 km/h | 20 km/h | 19 km/h | 18 km/h | 16 km/h | 16 km/h | 16 km/h | 18 km/h | 20 km/h | 23 km/h | 23 km/h |
| 108 mm | 112 mm | 105 mm | 99 mm | 93 mm | 123 mm | 102 mm | 116 mm | 116 mm | 117 mm | 165 mm | 157 mm |
| 86% | 88% | 85% | 82% | 80% | 81% | 81% | 79% | 78% | 78% | 79% | 81% |
| 72% | 70% | 68% | 60% | 53% | 49% | 43% | 39% | 44% | 53% | 63% | 72% |
| 101.2 kPa | 101.2 kPa | 101.4 kPa | 101.4 kPa | 101.5 kPa | 101.3 kPa | 101.3 kPa | 101.4 kPa | 101.6 kPa | 101.6 kPa | 101.4 kPa | 101.4 kPa |
| 12 | 11 | 15 | 18 | 24 | 22 | 25 | 24 | 24 | 24 | 19 | 15 |
| 11 | 9 | 9 | 8 | 7 | 8 | 6 | 7 | 6 | 6 | 9 | 10 |
| 9 | 9 | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
| 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 |
| 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 2 | 1 | 1 |
| 63 | 67 | 79 | 110 | 139 | 144 | 173 | 191 | 176 | 134 | 99 | 66 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.