Weather World
Johnson County Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 41°F Lo 27°F | Hi 46°F Lo 31°F | Hi 57°F Lo 40°F | Hi 67°F Lo 49°F | Hi 76°F Lo 58°F | Hi 86°F Lo 67°F | Hi 89°F Lo 70°F | Hi 88°F Lo 68°F | Hi 82°F Lo 63°F | Hi 70°F Lo 51°F | Hi 56°F Lo 40°F | Hi 47°F Lo 33°F |
| 9 mph | 9 mph | 9 mph | 9 mph | 8 mph | 6 mph | 6 mph | 6 mph | 6 mph | 8 mph | 8 mph | 8 mph |
| 4.2 in | 4.5 in | 5.9 in | 7.8 in | 6 in | 4.3 in | 4.6 in | 3.9 in | 3.9 in | 4.6 in | 4 in | 4.7 in |
| 76% | 78% | 77% | 77% | 79% | 76% | 76% | 73% | 71% | 68% | 72% | 77% |
| 51% | 52% | 49% | 44% | 42% | 31% | 32% | 31% | 30% | 33% | 37% | 50% |
| 30.2 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 |
| 22 | 20 | 23 | 22 | 21 | 22 | 22 | 24 | 24 | 25 | 24 | 23 |
| 7 | 6 | 7 | 8 | 10 | 8 | 9 | 7 | 6 | 6 | 6 | 6 |
| 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
| 2 | 2 | 3 | 4 | 5 | 6 | 6 | 5 | 5 | 3 | 2 | 2 |
| 160 | 139 | 154 | 165 | 179 | 224 | 226 | 242 | 231 | 217 | 207 | 156 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 5°C Lo -3°C | Hi 8°C Lo -1°C | Hi 14°C Lo 5°C | Hi 19°C Lo 9°C | Hi 24°C Lo 15°C | Hi 30°C Lo 20°C | Hi 32°C Lo 21°C | Hi 31°C Lo 20°C | Hi 28°C Lo 17°C | Hi 21°C Lo 11°C | Hi 13°C Lo 4°C | Hi 8°C Lo 1°C |
| 14 km/h | 14 km/h | 15 km/h | 14 km/h | 12 km/h | 10 km/h | 9 km/h | 9 km/h | 10 km/h | 13 km/h | 13 km/h | 14 km/h |
| 107 mm | 114 mm | 149 mm | 197 mm | 152 mm | 110 mm | 116 mm | 99 mm | 100 mm | 116 mm | 102 mm | 120 mm |
| 76% | 78% | 77% | 77% | 79% | 76% | 76% | 73% | 71% | 68% | 72% | 77% |
| 51% | 52% | 49% | 44% | 42% | 31% | 32% | 31% | 30% | 33% | 37% | 50% |
| 1021 mb | 1020 mb | 1018 mb | 1015 mb | 1015 mb | 1014 mb | 1015 mb | 1015 mb | 1017 mb | 1018 mb | 1021 mb | 1020 mb |
| 22 | 20 | 23 | 22 | 21 | 22 | 22 | 24 | 24 | 25 | 24 | 23 |
| 7 | 6 | 7 | 8 | 10 | 8 | 9 | 7 | 6 | 6 | 6 | 6 |
| 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
| 2 | 2 | 3 | 4 | 5 | 6 | 6 | 5 | 5 | 3 | 2 | 2 |
| 160 | 139 | 154 | 165 | 179 | 224 | 226 | 242 | 231 | 217 | 207 | 156 |
| 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.