Weather World
Olean General Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 29°F Lo 16°F | Hi 33°F Lo 18°F | Hi 42°F Lo 25°F | Hi 54°F Lo 35°F | Hi 66°F Lo 46°F | Hi 74°F Lo 54°F | Hi 79°F Lo 59°F | Hi 77°F Lo 57°F | Hi 71°F Lo 51°F | Hi 58°F Lo 42°F | Hi 45°F Lo 31°F | Hi 35°F Lo 24°F |
| 9 mph | 9 mph | 9 mph | 8 mph | 7 mph | 7 mph | 6 mph | 5 mph | 6 mph | 7 mph | 8 mph | 9 mph |
| 3.4 in | 3.5 in | 4.2 in | 6.1 in | 5.6 in | 6.2 in | 5.2 in | 4.5 in | 4.4 in | 5.5 in | 4.1 in | 4.8 in |
| 87% | 87% | 82% | 80% | 79% | 78% | 78% | 80% | 81% | 82% | 83% | 86% |
| 80% | 76% | 67% | 61% | 53% | 49% | 45% | 47% | 48% | 57% | 62% | 77% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.0 in | 30.1 in | 30.1 in |
| 9 | 9 | 16 | 15 | 19 | 20 | 21 | 21 | 22 | 21 | 16 | 11 |
| 15 | 12 | 11 | 12 | 12 | 11 | 10 | 10 | 8 | 10 | 10 | 14 |
| 8 | 7 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 6 |
| 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 1 | 0 | 1 |
| 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 |
| 46 | 52 | 93 | 109 | 142 | 150 | 165 | 171 | 165 | 122 | 113 | 51 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -2°C Lo -9°C | Hi 0°C Lo -8°C | Hi 6°C Lo -4°C | Hi 12°C Lo 2°C | Hi 19°C Lo 8°C | Hi 23°C Lo 12°C | Hi 26°C Lo 15°C | Hi 25°C Lo 14°C | Hi 22°C Lo 11°C | Hi 14°C Lo 6°C | Hi 7°C Lo -1°C | Hi 2°C Lo -4°C |
| 15 km/h | 14 km/h | 14 km/h | 14 km/h | 11 km/h | 11 km/h | 9 km/h | 9 km/h | 9 km/h | 12 km/h | 13 km/h | 14 km/h |
| 87 mm | 88 mm | 106 mm | 155 mm | 141 mm | 157 mm | 132 mm | 115 mm | 111 mm | 140 mm | 103 mm | 123 mm |
| 87% | 87% | 82% | 80% | 79% | 78% | 78% | 80% | 81% | 82% | 83% | 86% |
| 80% | 76% | 67% | 61% | 53% | 49% | 45% | 47% | 48% | 57% | 62% | 77% |
| 1018 mb | 1018 mb | 1018 mb | 1015 mb | 1016 mb | 1014 mb | 1015 mb | 1016 mb | 1018 mb | 1017 mb | 1019 mb | 1019 mb |
| 9 | 9 | 16 | 15 | 19 | 20 | 21 | 21 | 22 | 21 | 16 | 11 |
| 15 | 12 | 11 | 12 | 12 | 11 | 10 | 10 | 8 | 10 | 10 | 14 |
| 8 | 7 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 6 |
| 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 1 | 0 | 1 |
| 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 |
| 46 | 52 | 93 | 109 | 142 | 150 | 165 | 171 | 165 | 122 | 113 | 51 |
| 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.