Olean, NY Weather
Olean, NY climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 20's.
The warmest month of the year is July with an average maximum temperature of 79.30 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 10.70 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 25 degrees Fahrenheit, and moderate during winter with an average difference of 22 degrees Fahrenheit.
The annual average precipitation at Olean is 39.07 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 5.04 Inches.
Weather Data
Current Conditions
|
Overcast, 46°F | Humidity: 77% | Dewpoint: 39°F |
| Wind Speed: SE 9.2 MPH (8 KT) | Heat Index: 46°F | ||
| Barometer: 30.24 in. | Wind Chill: 41°F |
Weather Forecast
 | Hi: 51°F | This afternoon: Partly sunny. Highs in the lower 50s. Southeast winds around 10 mph. |
| Lo: 39°F | ||
 | Hi: 51°F | Tuesday: Cloudy. A chance of showers in the morning. Highs in the lower 50s. Light winds. Chance of rain 40 percent. |
| Lo: 39°F | ||
 | Hi: 55°F | Wednesday: Mostly cloudy. A chance of showers in the afternoon. Highs in the mid 50s. South winds 10 to 15 mph. Chance of rain 40 percent. |
| Lo: 39°F | ||
| Hi: 50°F | Thanksgiving day: Mostly cloudy with a 30 percent chance of showers. Highs around 50. |
| Lo: 35°F | ||
 | Hi: 39°F | Friday: Cloudy with a chance of rain and snow. Highs in the upper 30s. Chance of precipitation 50 percent. |
| Lo: 30°F | ||
| Hi: 35°F | Saturday: Cloudy with a chance of snow and rain. Highs in the mid 30s. Chance of precipitation 40 percent. |
| Lo: 25°F |
Moon, Sunrise and Sunset
 |
Moon Phase: First Quarter Moon | Civil Twilight: 6:42 AM EST |
Sunrise: 7:12 AM EST |
| Sunset: 4:46 PM EST |
Civil Twilight: 5:17 PM EST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 31.2 | 34.3 | 43.9 | 55.9 | 67.8 | 75.5 | 79.3 | 77.7 | 70.2 | 59.5 | 46.7 | 35.7 | 56.5 |
| Mean °F | 21.0 | 22.9 | 32.3 | 43.3 | 54.1 | 62.3 | 66.4 | 65.2 | 57.8 | 46.8 | 37.1 | 26.7 | 44.7 |
| Min °F | 10.7 | 11.4 | 20.7 | 30.6 | 40.4 | 49.0 | 53.5 | 52.6 | 45.4 | 34.0 | 27.5 | 17.6 | 32.8 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 2.38 | 1.93 | 2.80 | 3.07 | 3.42 | 5.04 | 3.72 | 3.62 | 3.92 | 3.11 | 3.17 | 2.89 | 39.07 |
