Winchester Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 45°F Lo 36°F | Hi 47°F Lo 37°F | Hi 51°F Lo 38°F | Hi 56°F Lo 41°F | Hi 61°F Lo 45°F | Hi 67°F Lo 51°F | Hi 71°F Lo 55°F | Hi 70°F Lo 55°F | Hi 66°F Lo 52°F | Hi 59°F Lo 48°F | Hi 51°F Lo 42°F | Hi 47°F Lo 39°F |
| 10 mph | 11 mph | 10 mph | 9 mph | 9 mph | 8 mph | 8 mph | 8 mph | 9 mph | 9 mph | 10 mph | 11 mph |
| 3.1 in | 2.6 in | 2.2 in | 2.1 in | 2.5 in | 2.8 in | 2.3 in | 2.7 in | 2.3 in | 4 in | 3.4 in | 3.3 in |
| 88% | 86% | 83% | 80% | 80% | 79% | 75% | 76% | 78% | 84% | 87% | 88% |
| 60% | 63% | 57% | 51% | 53% | 51% | 49% | 49% | 49% | 57% | 62% | 63% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in |
| 21 | 20 | 24 | 23 | 24 | 24 | 25 | 24 | 24 | 23 | 21 | 22 |
| 9 | 7 | 7 | 7 | 7 | 6 | 6 | 7 | 6 | 8 | 9 | 8 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 3 | 3 | 2 | 2 |
| 111 | 81 | 117 | 138 | 114 | 120 | 121 | 137 | 134 | 107 | 101 | 99 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 7°C Lo 2°C | Hi 8°C Lo 3°C | Hi 11°C Lo 4°C | Hi 13°C Lo 5°C | Hi 16°C Lo 7°C | Hi 20°C Lo 11°C | Hi 22°C Lo 13°C | Hi 21°C Lo 13°C | Hi 19°C Lo 11°C | Hi 15°C Lo 9°C | Hi 11°C Lo 6°C | Hi 8°C Lo 4°C |
| 10 mph | 11 mph | 10 mph | 9 mph | 9 mph | 8 mph | 8 mph | 8 mph | 9 mph | 9 mph | 10 mph | 11 mph |
| 78 mm | 65 mm | 56 mm | 53 mm | 62 mm | 70 mm | 58 mm | 68 mm | 57 mm | 100 mm | 86 mm | 85 mm |
| 88% | 86% | 83% | 80% | 80% | 79% | 75% | 76% | 78% | 84% | 87% | 88% |
| 60% | 63% | 57% | 51% | 53% | 51% | 49% | 49% | 49% | 57% | 62% | 63% |
| 1015 mb | 1015 mb | 1016 mb | 1016 mb | 1017 mb | 1017 mb | 1016 mb | 1015 mb | 1017 mb | 1015 mb | 1012 mb | 1014 mb |
| 21 | 20 | 24 | 23 | 24 | 24 | 25 | 24 | 24 | 23 | 21 | 22 |
| 9 | 7 | 7 | 7 | 7 | 6 | 6 | 7 | 6 | 8 | 9 | 8 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 3 | 3 | 2 | 2 |
| 111 | 81 | 117 | 138 | 114 | 120 | 121 | 137 | 134 | 107 | 101 | 99 |
| 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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