Weather World
Stephenson County Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 27°F Lo 13°F | Hi 31°F Lo 17°F | Hi 46°F Lo 30°F | Hi 56°F Lo 39°F | Hi 68°F Lo 50°F | Hi 78°F Lo 60°F | Hi 81°F Lo 64°F | Hi 80°F Lo 61°F | Hi 75°F Lo 55°F | Hi 61°F Lo 44°F | Hi 46°F Lo 32°F | Hi 34°F Lo 23°F |
| 10 mph | 10 mph | 10 mph | 10 mph | 9 mph | 8 mph | 7 mph | 7 mph | 8 mph | 10 mph | 10 mph | 10 mph |
| 2.1 in | 1.8 in | 3.4 in | 4.9 in | 5.4 in | 6.5 in | 4.7 in | 4.9 in | 3.7 in | 3.7 in | 3.2 in | 2.6 in |
| 86% | 84% | 77% | 75% | 78% | 81% | 83% | 81% | 77% | 73% | 75% | 81% |
| 61% | 58% | 53% | 52% | 46% | 38% | 36% | 34% | 32% | 42% | 45% | 59% |
| 30.1 in | 30.1 in | 30.1 in | 29.9 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 |
| 20 | 18 | 21 | 21 | 22 | 21 | 24 | 24 | 24 | 24 | 23 | 20 |
| 7 | 6 | 7 | 9 | 9 | 9 | 7 | 7 | 6 | 7 | 5 | 7 |
| 5 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
| 1 | 1 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 2 | 1 | 1 |
| 108 | 116 | 142 | 136 | 165 | 200 | 215 | 226 | 225 | 176 | 175 | 123 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -3°C Lo -10°C | Hi -0°C Lo -8°C | Hi 8°C Lo -1°C | Hi 14°C Lo 4°C | Hi 20°C Lo 10°C | Hi 26°C Lo 16°C | Hi 27°C Lo 18°C | Hi 27°C Lo 16°C | Hi 24°C Lo 13°C | Hi 16°C Lo 7°C | Hi 8°C Lo -0°C | Hi 1°C Lo -5°C |
| 16 km/h | 16 km/h | 16 km/h | 17 km/h | 14 km/h | 13 km/h | 11 km/h | 11 km/h | 13 km/h | 15 km/h | 16 km/h | 15 km/h |
| 53 mm | 46 mm | 87 mm | 124 mm | 137 mm | 165 mm | 118 mm | 126 mm | 93 mm | 93 mm | 81 mm | 67 mm |
| 86% | 84% | 77% | 75% | 78% | 81% | 83% | 81% | 77% | 73% | 75% | 81% |
| 61% | 58% | 53% | 52% | 46% | 38% | 36% | 34% | 32% | 42% | 45% | 59% |
| 1020 mb | 1020 mb | 1018 mb | 1014 mb | 1015 mb | 1013 mb | 1015 mb | 1015 mb | 1017 mb | 1016 mb | 1019 mb | 1019 mb |
| 20 | 18 | 21 | 21 | 22 | 21 | 24 | 24 | 24 | 24 | 23 | 20 |
| 7 | 6 | 7 | 9 | 9 | 9 | 7 | 7 | 6 | 7 | 5 | 7 |
| 5 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
| 1 | 1 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 2 | 1 | 1 |
| 108 | 116 | 142 | 136 | 165 | 200 | 215 | 226 | 225 | 176 | 175 | 123 |
| 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.