Stanley Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 25°F Lo 12°F | Hi 27°F Lo 13°F | Hi 35°F Lo 21°F | Hi 48°F Lo 32°F | Hi 61°F Lo 43°F | Hi 69°F Lo 52°F | Hi 77°F Lo 59°F | Hi 76°F Lo 58°F | Hi 68°F Lo 51°F | Hi 55°F Lo 41°F | Hi 42°F Lo 30°F | Hi 32°F Lo 20°F |
| 8 mph | 8 mph | 8 mph | 8 mph | 7 mph | 7 mph | 6 mph | 6 mph | 7 mph | 7 mph | 8 mph | 8 mph |
| 4.4 in | 3.9 in | 5.1 in | 5 in | 4.2 in | 5.5 in | 4.7 in | 4.1 in | 4.3 in | 4.4 in | 5.3 in | 6.3 in |
| 86% | 87% | 84% | 80% | 76% | 78% | 78% | 78% | 79% | 81% | 81% | 83% |
| 61% | 64% | 63% | 62% | 55% | 52% | 47% | 45% | 46% | 50% | 53% | 60% |
| 29.9 in | 29.9 in | 30.0 in | 29.9 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in |
| 14 | 12 | 15 | 19 | 24 | 21 | 23 | 24 | 24 | 25 | 19 | 14 |
| 10 | 9 | 9 | 8 | 7 | 9 | 8 | 7 | 6 | 6 | 8 | 10 |
| 8 | 8 | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 7 |
| 0 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 |
| 1 | 1 | 2 | 2 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 |
| 104 | 82 | 95 | 100 | 133 | 150 | 174 | 181 | 180 | 156 | 138 | 122 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -4°C Lo -11°C | Hi -3°C Lo -11°C | Hi 2°C Lo -6°C | Hi 9°C Lo 0°C | Hi 16°C Lo 6°C | Hi 21°C Lo 11°C | Hi 25°C Lo 15°C | Hi 24°C Lo 15°C | Hi 20°C Lo 11°C | Hi 13°C Lo 5°C | Hi 5°C Lo -1°C | Hi -0°C Lo -7°C |
| 13 km/h | 13 km/h | 14 km/h | 13 km/h | 12 km/h | 11 km/h | 10 km/h | 10 km/h | 11 km/h | 11 km/h | 12 km/h | 13 km/h |
| 111 mm | 100 mm | 128 mm | 128 mm | 108 mm | 139 mm | 118 mm | 105 mm | 109 mm | 113 mm | 134 mm | 159 mm |
| 86% | 87% | 84% | 80% | 76% | 78% | 78% | 78% | 79% | 81% | 81% | 83% |
| 61% | 64% | 63% | 62% | 55% | 52% | 47% | 45% | 46% | 50% | 53% | 60% |
| 101.3 kPa | 101.4 kPa | 101.5 kPa | 101.4 kPa | 101.5 kPa | 101.3 kPa | 101.3 kPa | 101.4 kPa | 101.7 kPa | 101.6 kPa | 101.5 kPa | 101.5 kPa |
| 14 | 12 | 15 | 19 | 24 | 21 | 23 | 24 | 24 | 25 | 19 | 14 |
| 10 | 9 | 9 | 8 | 7 | 9 | 8 | 7 | 6 | 6 | 8 | 10 |
| 8 | 8 | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 7 |
| 0 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 |
| 1 | 1 | 2 | 2 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 |
| 104 | 82 | 95 | 100 | 133 | 150 | 174 | 181 | 180 | 156 | 138 | 122 |
| 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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