Weather World
Vermilion County, IL Official Site
Vermilion County Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 33°F Lo 21°F | Hi 38°F Lo 23°F | Hi 51°F Lo 35°F | Hi 61°F Lo 44°F | Hi 72°F Lo 55°F | Hi 81°F Lo 63°F | Hi 83°F Lo 66°F | Hi 82°F Lo 64°F | Hi 78°F Lo 58°F | Hi 65°F Lo 47°F | Hi 50°F Lo 36°F | Hi 40°F Lo 28°F |
| 10 mph | 10 mph | 11 mph | 10 mph | 9 mph | 8 mph | 6 mph | 7 mph | 7 mph | 10 mph | 10 mph | 10 mph |
| 2.7 in | 2.9 in | 4.4 in | 6.4 in | 5.7 in | 5.4 in | 4.5 in | 3.4 in | 3.2 in | 4 in | 3.5 in | 3.2 in |
| 80% | 79% | 74% | 75% | 78% | 78% | 83% | 80% | 74% | 69% | 72% | 79% |
| 59% | 56% | 50% | 48% | 45% | 34% | 36% | 33% | 32% | 37% | 42% | 56% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 19 | 18 | 21 | 21 | 20 | 21 | 22 | 23 | 25 | 24 | 24 | 21 |
| 7 | 7 | 8 | 9 | 11 | 9 | 9 | 8 | 5 | 7 | 6 | 7 |
| 4 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 0 | 1 | 2 |
| 1 | 2 | 2 | 3 | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 1 |
| 118 | 123 | 152 | 156 | 168 | 215 | 211 | 227 | 223 | 197 | 189 | 133 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 1°C Lo -6°C | Hi 3°C Lo -5°C | Hi 11°C Lo 2°C | Hi 16°C Lo 7°C | Hi 22°C Lo 13°C | Hi 27°C Lo 17°C | Hi 28°C Lo 19°C | Hi 28°C Lo 18°C | Hi 25°C Lo 15°C | Hi 18°C Lo 9°C | Hi 10°C Lo 2°C | Hi 4°C Lo -2°C |
| 17 km/h | 17 km/h | 17 km/h | 17 km/h | 14 km/h | 12 km/h | 10 km/h | 11 km/h | 12 km/h | 15 km/h | 16 km/h | 16 km/h |
| 68 mm | 73 mm | 112 mm | 163 mm | 146 mm | 138 mm | 115 mm | 87 mm | 82 mm | 101 mm | 88 mm | 80 mm |
| 80% | 79% | 74% | 75% | 78% | 78% | 83% | 80% | 74% | 69% | 72% | 79% |
| 59% | 56% | 50% | 48% | 45% | 34% | 36% | 33% | 32% | 37% | 42% | 56% |
| 1020 mb | 1020 mb | 1018 mb | 1015 mb | 1015 mb | 1014 mb | 1015 mb | 1015 mb | 1017 mb | 1017 mb | 1020 mb | 1020 mb |
| 19 | 18 | 21 | 21 | 20 | 21 | 22 | 23 | 25 | 24 | 24 | 21 |
| 7 | 7 | 8 | 9 | 11 | 9 | 9 | 8 | 5 | 7 | 6 | 7 |
| 4 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 0 | 1 | 2 |
| 1 | 2 | 2 | 3 | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 1 |
| 118 | 123 | 152 | 156 | 168 | 215 | 211 | 227 | 223 | 197 | 189 | 133 |
| 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.