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Weather & Climate
Olean, New York, United States
Overview
Climate data and monthly weather averages for Olean.
Key Metrics
Annual Avg
7.3°C
Summer Avg
19°C
Winter Avg
-4.7°C
Record High
34.8°C
Record Low
-26.4°C
Annual Precipitation
1049.5 mm
Avg Humidity
83%
Summer Humidity
77%
Winter Humidity
91%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 14.8° | -6° | -24.2° | 67.3 | 92% | 43 | 34.7 |
| Feb | 17.9° | -5.3° | -26.4° | 58.8 | 91% | 59 | 38.9 |
| Mar | 22.6° | -0.6° | -20.4° | 70.1 | 86% | 101 | 32.3 |
| Apr | 25.8° | 6.1° | -10.8° | 83.7 | 80% | 133 | 31.6 |
| May | 34.4° | 12.8° | -5.2° | 99.8 | 79% | 167 | 26.5 |
| Jun | 32.5° | 17.4° | 1.5° | 100.8 | 80% | 176 | 20 |
| Jul | 34.8° | 20° | 5.7° | 110.4 | 77% | 183 | 21.5 |
| Aug | 34.8° | 19.5° | 6.3° | 97.6 | 75% | 162 | 16.8 |
| Sep | 33.3° | 15.9° | 0.6° | 96.9 | 75% | 124 | 20.2 |
| Oct | 29.1° | 8.8° | -6° | 105.1 | 81% | 78 | 25.2 |
| Nov | 21.7° | 2.5° | -22.2° | 75 | 86% | 49 | 30.7 |
| Dec | 18.3° | -2.8° | -19.8° | 84 | 91% | 34 | 32.2 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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