Weather World
Lannion Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 49°F Lo 42°F | Hi 49°F Lo 42°F | Hi 51°F Lo 43°F | Hi 54°F Lo 45°F | Hi 58°F Lo 49°F | Hi 63°F Lo 54°F | Hi 67°F Lo 57°F | Hi 67°F Lo 57°F | Hi 65°F Lo 56°F | Hi 61°F Lo 53°F | Hi 54°F Lo 48°F | Hi 51°F Lo 45°F |
| 15 mph | 15 mph | 14 mph | 12 mph | 11 mph | 10 mph | 10 mph | 11 mph | 11 mph | 13 mph | 15 mph | 16 mph |
| 4.9 in | 3.7 in | 2.8 in | 2.4 in | 2.1 in | 2.4 in | 1.7 in | 2.3 in | 2.3 in | 3.8 in | 5.2 in | 5.2 in |
| 82% | 82% | 82% | 81% | 83% | 83% | 81% | 81% | 80% | 81% | 82% | 82% |
| 65% | 62% | 55% | 46% | 48% | 45% | 42% | 43% | 45% | 51% | 63% | 64% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in |
| 20 | 19 | 24 | 24 | 26 | 24 | 26 | 26 | 25 | 24 | 19 | 20 |
| 11 | 9 | 7 | 6 | 5 | 6 | 5 | 5 | 5 | 7 | 11 | 11 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 2 |
| 83 | 87 | 127 | 159 | 144 | 152 | 167 | 175 | 160 | 134 | 85 | 88 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 9°C Lo 6°C | Hi 10°C Lo 6°C | Hi 11°C Lo 6°C | Hi 13°C Lo 7°C | Hi 15°C Lo 10°C | Hi 17°C Lo 12°C | Hi 19°C Lo 14°C | Hi 20°C Lo 14°C | Hi 18°C Lo 13°C | Hi 16°C Lo 11°C | Hi 12°C Lo 9°C | Hi 10°C Lo 7°C |
| 24 km/h | 25 km/h | 22 km/h | 19 km/h | 18 km/h | 17 km/h | 17 km/h | 17 km/h | 18 km/h | 21 km/h | 24 km/h | 26 km/h |
| 123 mm | 95 mm | 72 mm | 60 mm | 54 mm | 61 mm | 44 mm | 58 mm | 59 mm | 97 mm | 132 mm | 133 mm |
| 82% | 82% | 82% | 81% | 83% | 83% | 81% | 81% | 80% | 81% | 82% | 82% |
| 65% | 62% | 55% | 46% | 48% | 45% | 42% | 43% | 45% | 51% | 63% | 64% |
| 1017 mb | 1016 mb | 1016 mb | 1016 mb | 1017 mb | 1017 mb | 1017 mb | 1017 mb | 1017 mb | 1016 mb | 1013 mb | 1016 mb |
| 20 | 19 | 24 | 24 | 26 | 24 | 26 | 26 | 25 | 24 | 19 | 20 |
| 11 | 9 | 7 | 6 | 5 | 6 | 5 | 5 | 5 | 7 | 11 | 11 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 2 |
| 83 | 87 | 127 | 159 | 144 | 152 | 167 | 175 | 160 | 134 | 85 | 88 |
| 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.