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Castleton Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 27°F Lo 13°F | Hi 31°F Lo 14°F | Hi 39°F Lo 23°F | Hi 53°F Lo 34°F | Hi 67°F Lo 46°F | Hi 74°F Lo 54°F | Hi 80°F Lo 60°F | Hi 79°F Lo 59°F | Hi 71°F Lo 52°F | Hi 58°F Lo 42°F | Hi 44°F Lo 30°F | Hi 33°F Lo 22°F |
| 6 mph | 7 mph | 7 mph | 7 mph | 6 mph | 5 mph | 5 mph | 5 mph | 5 mph | 6 mph | 6 mph | 6 mph |
| 3 in | 3.1 in | 3.1 in | 3.8 in | 3.3 in | 4.3 in | 4.2 in | 3.5 in | 3.5 in | 4.5 in | 3.2 in | 3.9 in |
| 86% | 86% | 82% | 75% | 75% | 77% | 77% | 78% | 79% | 80% | 79% | 83% |
| 63% | 65% | 59% | 54% | 46% | 46% | 39% | 39% | 39% | 50% | 47% | 60% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.0 in |
| 16 | 12 | 18 | 20 | 23 | 21 | 22 | 24 | 24 | 23 | 20 | 15 |
| 9 | 10 | 8 | 8 | 8 | 9 | 9 | 7 | 6 | 8 | 7 | 10 |
| 6 | 7 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 2 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 |
| 89 | 74 | 99 | 124 | 177 | 171 | 216 | 219 | 208 | 146 | 154 | 105 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -3°C Lo -11°C | Hi -1°C Lo -10°C | Hi 4°C Lo -5°C | Hi 12°C Lo 1°C | Hi 20°C Lo 8°C | Hi 23°C Lo 12°C | Hi 27°C Lo 16°C | Hi 26°C Lo 15°C | Hi 22°C Lo 11°C | Hi 14°C Lo 5°C | Hi 7°C Lo -1°C | Hi 1°C Lo -6°C |
| 10 km/h | 11 km/h | 11 km/h | 11 km/h | 10 km/h | 9 km/h | 8 km/h | 8 km/h | 8 km/h | 9 km/h | 10 km/h | 10 km/h |
| 75 mm | 80 mm | 79 mm | 97 mm | 83 mm | 109 mm | 107 mm | 88 mm | 89 mm | 115 mm | 81 mm | 99 mm |
| 86% | 86% | 82% | 75% | 75% | 77% | 77% | 78% | 79% | 80% | 79% | 83% |
| 63% | 65% | 59% | 54% | 46% | 46% | 39% | 39% | 39% | 50% | 47% | 60% |
| 1017 mb | 1017 mb | 1017 mb | 1015 mb | 1016 mb | 1013 mb | 1014 mb | 1015 mb | 1017 mb | 1016 mb | 1019 mb | 1018 mb |
| 16 | 12 | 18 | 20 | 23 | 21 | 22 | 24 | 24 | 23 | 20 | 15 |
| 9 | 10 | 8 | 8 | 8 | 9 | 9 | 7 | 6 | 8 | 7 | 10 |
| 6 | 7 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 2 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 |
| 89 | 74 | 99 | 124 | 177 | 171 | 216 | 219 | 208 | 146 | 154 | 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.