Johnson Lake Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 55°F Lo 39°F | Hi 59°F Lo 42°F | Hi 66°F Lo 48°F | Hi 74°F Lo 55°F | Hi 80°F Lo 63°F | Hi 87°F Lo 70°F | Hi 90°F Lo 74°F | Hi 88°F Lo 73°F | Hi 83°F Lo 68°F | Hi 75°F Lo 58°F | Hi 65°F Lo 48°F | Hi 58°F Lo 43°F |
| 7 mph | 8 mph | 8 mph | 8 mph | 7 mph | 7 mph | 6 mph | 6 mph | 6 mph | 7 mph | 7 mph | 7 mph |
| 3.2 in | 3.8 in | 4.3 in | 3.8 in | 4.8 in | 5.8 in | 7.3 in | 7.6 in | 5.7 in | 3.3 in | 3 in | 5 in |
| 72% | 75% | 73% | 74% | 76% | 75% | 76% | 77% | 76% | 74% | 71% | 75% |
| 39% | 44% | 40% | 34% | 39% | 35% | 39% | 41% | 37% | 31% | 34% | 41% |
| 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 | 30.0 in | 30.1 in | 30.1 in |
| 24 | 22 | 24 | 23 | 22 | 17 | 15 | 15 | 20 | 26 | 25 | 24 |
| 6 | 6 | 7 | 7 | 9 | 13 | 16 | 16 | 10 | 5 | 5 | 7 |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 |
| 2 | 4 | 4 | 5 | 6 | 6 | 6 | 6 | 5 | 4 | 3 | 3 |
| 200 | 168 | 192 | 221 | 201 | 211 | 192 | 181 | 197 | 229 | 215 | 195 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 13°C Lo 4°C | Hi 15°C Lo 6°C | Hi 19°C Lo 9°C | Hi 23°C Lo 13°C | Hi 27°C Lo 17°C | Hi 31°C Lo 21°C | Hi 32°C Lo 23°C | Hi 31°C Lo 23°C | Hi 29°C Lo 20°C | Hi 24°C Lo 14°C | Hi 18°C Lo 9°C | Hi 15°C Lo 6°C |
| 11 km/h | 12 km/h | 13 km/h | 13 km/h | 11 km/h | 10 km/h | 10 km/h | 9 km/h | 10 km/h | 11 km/h | 11 km/h | 11 km/h |
| 81 mm | 96 mm | 110 mm | 97 mm | 121 mm | 146 mm | 185 mm | 194 mm | 144 mm | 83 mm | 76 mm | 127 mm |
| 72% | 75% | 73% | 74% | 76% | 75% | 76% | 77% | 76% | 74% | 71% | 75% |
| 39% | 44% | 40% | 34% | 39% | 35% | 39% | 41% | 37% | 31% | 34% | 41% |
| 1020 mb | 1020 mb | 1019 mb | 1017 mb | 1017 mb | 1015 mb | 1016 mb | 1015 mb | 1016 mb | 1017 mb | 1020 mb | 1021 mb |
| 24 | 22 | 24 | 23 | 22 | 17 | 15 | 15 | 20 | 26 | 25 | 24 |
| 6 | 6 | 7 | 7 | 9 | 13 | 16 | 16 | 10 | 5 | 5 | 7 |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 |
| 2 | 4 | 4 | 5 | 6 | 6 | 6 | 6 | 5 | 4 | 3 | 3 |
| 200 | 168 | 192 | 221 | 201 | 211 | 192 | 181 | 197 | 229 | 215 | 195 |
| 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.
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