WeatherWX.com
Johnson Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 25°F Lo 9°F | Hi 27°F Lo 10°F | Hi 36°F Lo 19°F | Hi 50°F Lo 32°F | Hi 65°F Lo 44°F | Hi 72°F Lo 52°F | Hi 78°F Lo 58°F | Hi 77°F Lo 57°F | Hi 69°F Lo 50°F | Hi 56°F Lo 40°F | Hi 42°F Lo 28°F | Hi 31°F Lo 18°F |
| 6 mph | 7 mph | 7 mph | 7 mph | 6 mph | 6 mph | 5 mph | 5 mph | 5 mph | 6 mph | 7 mph | 7 mph |
| 2.9 in | 3 in | 3.4 in | 4.4 in | 4.3 in | 5.6 in | 4.6 in | 4.6 in | 4.5 in | 5.5 in | 3.7 in | 3.9 in |
| 91% | 90% | 87% | 79% | 76% | 79% | 79% | 80% | 80% | 82% | 82% | 86% |
| 76% | 76% | 70% | 61% | 49% | 49% | 41% | 42% | 41% | 54% | 57% | 71% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.0 in |
| 12 | 10 | 13 | 16 | 22 | 19 | 21 | 20 | 23 | 20 | 15 | 8 |
| 13 | 12 | 10 | 11 | 9 | 11 | 10 | 11 | 7 | 11 | 11 | 15 |
| 6 | 7 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 7 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 2 | 4 | 4 | 5 | 4 | 3 | 2 | 1 | 1 |
| 55 | 45 | 75 | 97 | 159 | 157 | 199 | 194 | 197 | 126 | 117 | 70 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -4°C Lo -13°C | Hi -3°C Lo -12°C | Hi 2°C Lo -7°C | Hi 10°C Lo -0°C | Hi 19°C Lo 7°C | Hi 22°C Lo 11°C | Hi 26°C Lo 15°C | Hi 25°C Lo 14°C | Hi 21°C Lo 10°C | Hi 13°C Lo 4°C | Hi 5°C Lo -2°C | Hi -1°C Lo -8°C |
| 10 km/h | 10 km/h | 11 km/h | 11 km/h | 10 km/h | 9 km/h | 8 km/h | 8 km/h | 9 km/h | 10 km/h | 11 km/h | 11 km/h |
| 72 mm | 76 mm | 87 mm | 112 mm | 109 mm | 143 mm | 118 mm | 117 mm | 113 mm | 139 mm | 94 mm | 98 mm |
| 91% | 90% | 87% | 79% | 76% | 79% | 79% | 80% | 80% | 82% | 82% | 86% |
| 76% | 76% | 70% | 61% | 49% | 49% | 41% | 42% | 41% | 54% | 57% | 71% |
| 1016 mb | 1017 mb | 1017 mb | 1014 mb | 1015 mb | 1013 mb | 1013 mb | 1015 mb | 1017 mb | 1016 mb | 1018 mb | 1017 mb |
| 12 | 10 | 13 | 16 | 22 | 19 | 21 | 20 | 23 | 20 | 15 | 8 |
| 13 | 12 | 10 | 11 | 9 | 11 | 10 | 11 | 7 | 11 | 11 | 15 |
| 6 | 7 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 7 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 2 | 4 | 4 | 5 | 4 | 3 | 2 | 1 | 1 |
| 55 | 45 | 75 | 97 | 159 | 157 | 199 | 194 | 197 | 126 | 117 | 70 |
| 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.