Derby Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 43°F Lo 34°F | Hi 46°F Lo 36°F | Hi 50°F Lo 37°F | Hi 55°F Lo 39°F | Hi 60°F Lo 44°F | Hi 66°F Lo 50°F | Hi 70°F Lo 53°F | Hi 69°F Lo 54°F | Hi 64°F Lo 50°F | Hi 57°F Lo 46°F | Hi 49°F Lo 40°F | Hi 45°F Lo 37°F |
| 11 mph | 12 mph | 10 mph | 9 mph | 9 mph | 9 mph | 8 mph | 9 mph | 9 mph | 10 mph | 10 mph | 12 mph |
| 2.4 in | 2.2 in | 2 in | 1.8 in | 2.4 in | 2.6 in | 2.8 in | 2.8 in | 2.3 in | 2.8 in | 2.9 in | 2.9 in |
| 88% | 86% | 83% | 81% | 82% | 82% | 78% | 77% | 81% | 85% | 88% | 89% |
| 59% | 63% | 57% | 54% | 55% | 56% | 53% | 52% | 52% | 59% | 61% | 61% |
| 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 29.9 in | 29.8 in | 29.9 in |
| 22 | 20 | 23 | 24 | 24 | 23 | 23 | 22 | 24 | 24 | 22 | 22 |
| 8 | 7 | 7 | 6 | 7 | 7 | 8 | 9 | 6 | 7 | 8 | 8 |
| 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2 | 2 | 2 | 3 | 3 | 4 | 4 | 3 | 3 | 3 | 2 | 2 |
| 110 | 78 | 107 | 116 | 98 | 96 | 97 | 114 | 116 | 95 | 96 | 105 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 6°C Lo 1°C | Hi 8°C Lo 2°C | Hi 10°C Lo 3°C | Hi 13°C Lo 4°C | Hi 16°C Lo 7°C | Hi 19°C Lo 10°C | Hi 21°C Lo 12°C | Hi 20°C Lo 12°C | Hi 18°C Lo 10°C | Hi 14°C Lo 8°C | Hi 10°C Lo 5°C | Hi 7°C Lo 3°C |
| 11 mph | 12 mph | 10 mph | 9 mph | 9 mph | 9 mph | 8 mph | 9 mph | 9 mph | 10 mph | 10 mph | 12 mph |
| 60 mm | 56 mm | 50 mm | 46 mm | 60 mm | 67 mm | 71 mm | 71 mm | 58 mm | 70 mm | 73 mm | 72 mm |
| 88% | 86% | 83% | 81% | 82% | 82% | 78% | 77% | 81% | 85% | 88% | 89% |
| 59% | 63% | 57% | 54% | 55% | 56% | 53% | 52% | 52% | 59% | 61% | 61% |
| 1013 mb | 1013 mb | 1015 mb | 1016 mb | 1016 mb | 1016 mb | 1015 mb | 1014 mb | 1016 mb | 1013 mb | 1011 mb | 1012 mb |
| 22 | 20 | 23 | 24 | 24 | 23 | 23 | 22 | 24 | 24 | 22 | 22 |
| 8 | 7 | 7 | 6 | 7 | 7 | 8 | 9 | 6 | 7 | 8 | 8 |
| 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2 | 2 | 2 | 3 | 3 | 4 | 4 | 3 | 3 | 3 | 2 | 2 |
| 110 | 78 | 107 | 116 | 98 | 96 | 97 | 114 | 116 | 95 | 96 | 105 |
| 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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