McKenna Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 46°F Lo 35°F | Hi 46°F Lo 34°F | Hi 51°F Lo 36°F | Hi 56°F Lo 39°F | Hi 64°F Lo 44°F | Hi 70°F Lo 49°F | Hi 78°F Lo 53°F | Hi 78°F Lo 55°F | Hi 71°F Lo 51°F | Hi 60°F Lo 45°F | Hi 50°F Lo 39°F | Hi 44°F Lo 35°F |
| 5 mph | 5 mph | 5 mph | 5 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 5 mph | 5 mph |
| 7.9 in | 6.4 in | 6.7 in | 4.9 in | 3.2 in | 2 in | 0.4 in | 1 in | 2.8 in | 6.1 in | 8.8 in | 9.1 in |
| 86% | 85% | 83% | 79% | 75% | 72% | 68% | 69% | 74% | 79% | 84% | 86% |
| 61% | 63% | 62% | 56% | 49% | 43% | 27% | 28% | 38% | 48% | 60% | 64% |
| 30.1 in | 30.1 in | 30.0 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 |
| 17 | 14 | 16 | 19 | 22 | 25 | 30 | 29 | 24 | 21 | 16 | 16 |
| 13 | 12 | 14 | 11 | 9 | 5 | 1 | 2 | 6 | 10 | 13 | 14 |
| 2 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| 2 | 2 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 2 | 1 |
| 110 | 84 | 92 | 108 | 156 | 180 | 257 | 261 | 197 | 159 | 101 | 98 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 8°C Lo 2°C | Hi 8°C Lo 1°C | Hi 10°C Lo 2°C | Hi 13°C Lo 4°C | Hi 18°C Lo 7°C | Hi 21°C Lo 9°C | Hi 26°C Lo 12°C | Hi 26°C Lo 13°C | Hi 22°C Lo 11°C | Hi 15°C Lo 7°C | Hi 10°C Lo 4°C | Hi 7°C Lo 2°C |
| 8 km/h | 8 km/h | 8 km/h | 8 km/h | 7 km/h | 7 km/h | 6 km/h | 6 km/h | 6 km/h | 7 km/h | 8 km/h | 8 km/h |
| 201 mm | 161 mm | 171 mm | 126 mm | 81 mm | 51 mm | 11 mm | 26 mm | 71 mm | 156 mm | 224 mm | 230 mm |
| 86% | 85% | 83% | 79% | 75% | 72% | 68% | 69% | 74% | 79% | 84% | 86% |
| 61% | 63% | 62% | 56% | 49% | 43% | 27% | 28% | 38% | 48% | 60% | 64% |
| 1019 mb | 1018 mb | 1016 mb | 1018 mb | 1017 mb | 1017 mb | 1017 mb | 1016 mb | 1016 mb | 1017 mb | 1018 mb | 1018 mb |
| 17 | 14 | 16 | 19 | 22 | 25 | 30 | 29 | 24 | 21 | 16 | 16 |
| 13 | 12 | 14 | 11 | 9 | 5 | 1 | 2 | 6 | 10 | 13 | 14 |
| 2 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| 2 | 2 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 2 | 1 |
| 110 | 84 | 92 | 108 | 156 | 180 | 257 | 261 | 197 | 159 | 101 | 98 |
| 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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