Weather World
Lewis Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 37°F Lo 24°F | Hi 42°F Lo 27°F | Hi 53°F Lo 36°F | Hi 63°F Lo 44°F | Hi 73°F Lo 55°F | Hi 81°F Lo 62°F | Hi 84°F Lo 66°F | Hi 84°F Lo 64°F | Hi 78°F Lo 59°F | Hi 66°F Lo 48°F | Hi 52°F Lo 37°F | Hi 43°F Lo 31°F |
| 8 mph | 8 mph | 8 mph | 8 mph | 7 mph | 6 mph | 5 mph | 5 mph | 5 mph | 7 mph | 7 mph | 8 mph |
| 3.8 in | 4.6 in | 5.5 in | 6.1 in | 6.1 in | 5.5 in | 5.8 in | 2.9 in | 3.7 in | 3.9 in | 4.1 in | 5.2 in |
| 80% | 80% | 76% | 76% | 79% | 78% | 78% | 75% | 75% | 74% | 74% | 80% |
| 60% | 59% | 52% | 47% | 46% | 37% | 38% | 34% | 34% | 38% | 42% | 59% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in | 30.1 in |
| 18 | 16 | 20 | 21 | 20 | 20 | 20 | 23 | 23 | 24 | 24 | 20 |
| 8 | 8 | 9 | 9 | 11 | 10 | 11 | 8 | 7 | 7 | 5 | 8 |
| 4 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 2 | 3 | 4 | 5 | 5 | 5 | 5 | 4 | 3 | 2 | 2 |
| 110 | 110 | 140 | 151 | 167 | 202 | 208 | 227 | 219 | 194 | 184 | 118 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 3°C Lo -5°C | Hi 6°C Lo -3°C | Hi 12°C Lo 2°C | Hi 17°C Lo 7°C | Hi 23°C Lo 13°C | Hi 27°C Lo 17°C | Hi 29°C Lo 19°C | Hi 29°C Lo 18°C | Hi 26°C Lo 15°C | Hi 19°C Lo 9°C | Hi 11°C Lo 3°C | Hi 6°C Lo -1°C |
| 13 km/h | 13 km/h | 13 km/h | 13 km/h | 11 km/h | 10 km/h | 8 km/h | 8 km/h | 9 km/h | 11 km/h | 12 km/h | 13 km/h |
| 97 mm | 116 mm | 140 mm | 156 mm | 156 mm | 140 mm | 146 mm | 74 mm | 93 mm | 99 mm | 103 mm | 131 mm |
| 80% | 80% | 76% | 76% | 79% | 78% | 78% | 75% | 75% | 74% | 74% | 80% |
| 60% | 59% | 52% | 47% | 46% | 37% | 38% | 34% | 34% | 38% | 42% | 59% |
| 1021 mb | 1020 mb | 1018 mb | 1016 mb | 1016 mb | 1014 mb | 1015 mb | 1016 mb | 1017 mb | 1018 mb | 1021 mb | 1020 mb |
| 18 | 16 | 20 | 21 | 20 | 20 | 20 | 23 | 23 | 24 | 24 | 20 |
| 8 | 8 | 9 | 9 | 11 | 10 | 11 | 8 | 7 | 7 | 5 | 8 |
| 4 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 2 | 3 | 4 | 5 | 5 | 5 | 5 | 4 | 3 | 2 | 2 |
| 110 | 110 | 140 | 151 | 167 | 202 | 208 | 227 | 219 | 194 | 184 | 118 |
| 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.