UTC Offset
UTC-04:00
Olean, United States Snapshot 2026
Where is Olean?
Olean, United States
- Continent
- Americas
- Country
- United States
- City
- Olean
- Population
- 13.9K
- Elevation
- 441 m
- Coordinates
- 42.08°, -78.43°
Olean is a city in United States with a population of approximately 13.9K. Average temperatures range from -7°C (19°F) in January to 26°C (79°F) in July. The best time to visit is June, July, August, September. The city sits at an elevation of 441 m above sea level.
Time in Olean right now
Open full time & time zone page 13:31 31
Monday, June 15, 2026
IANA time zone
America/New_York
Daylight saving
DST in effect
EST / EDT
Next DST change
November 1
backward -1h
Live weather in Olean
Daylight in Olean today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 14m
Climate normals for Olean
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Poor May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 0°C / -7°C | -4°C / -12°C | 15days (87 mm) Wet | 4.5h Fair | 78% Humid | 1.9 Low | Poor | View Details |
| February | 3°C / -6°C | -2°C / -11°C | 13days (87 mm) Wet | 5.8h Fair | 75% Muggy | 3 Moderate | Poor | View Details |
| March | 7°C / -2°C | 4°C / -7°C | 13days (90 mm) Wet | 7.3h Good | 70% Muggy | 4.2 Moderate | Poor | View Details |
| April | 13°C / 3°C | 11°C / 0°C | 15days (114 mm) Wet | 8.4h Good | 70% Muggy | 4.8 Moderate | Poor | View Details |
| May | 19°C / 10°C | 18°C / 8°C | 15days (112 mm) Wet | 9.6h Good | 75% Muggy | 5.8 High | Good | View Details |
| June best | 24°C / 14°C | 24°C / 14°C | 13days (103 mm) Wet | 11.1h Excellent | 75% Muggy | 6.7 High | Excellent | View Details |
| July best | 26°C / 17°C | 28°C / 18°C | 14days (91 mm) Wet | 11.3h Excellent | 76% Humid | 6.9 High | Excellent | View Details |
| August best | 25°C / 17°C | 26°C / 17°C | 13days (101 mm) Wet | 10.4h Excellent | 77% Humid | 5.9 High | Excellent | View Details |
| September best | 22°C / 13°C | 22°C / 13°C | 9days (84 mm) Wet | 8.8h Good | 78% Humid | 5 Moderate | Excellent | View Details |
| October | 16°C / 8°C | 14°C / 5°C | 12days (104 mm) Wet | 6.9h Fair | 78% Humid | 3.4 Moderate | Fair | View Details |
| November | 8°C / 1°C | 4°C / -3°C | 13days (81 mm) Wet | 5.3h Fair | 77% Humid | 2.2 Moderate | Poor | View Details |
| December | 2°C / -4°C | -2°C / -9°C | 15days (85 mm) Wet | 3.9h Poor | 79% Humid | 1.6 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 0°C / -7°C . Feb: 3°C / -6°C . Mar: 7°C / -2°C . Apr: 13°C / 3°C . May: 19°C / 10°C . Jun: 24°C / 14°C . Jul: 26°C / 17°C . Aug: 25°C / 17°C . Sep: 22°C / 13°C . Oct: 16°C / 8°C . Nov: 8°C / 1°C . Dec: 2°C / -4°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 87 mm. Feb: 87 mm. Mar: 90 mm. Apr: 114 mm. May: 112 mm. Jun: 103 mm. Jul: 91 mm. Aug: 101 mm. Sep: 84 mm. Oct: 104 mm. Nov: 81 mm. Dec: 85 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 78%. Feb: 75%. Mar: 70%. Apr: 70%. May: 75%. Jun: 75%. Jul: 76%. Aug: 77%. Sep: 78%. Oct: 78%. Nov: 77%. Dec: 79%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 19 km/h . Feb: 20 km/h . Mar: 20 km/h . Apr: 19 km/h . May: 16 km/h . Jun: 15 km/h . Jul: 14 km/h . Aug: 13 km/h . Sep: 14 km/h . Oct: 17 km/h . Nov: 19 km/h . Dec: 19 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 2.
Frequently Asked Questions
Olean has a population of approximately 13.9K.
The best months to visit Olean are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Olean receives approximately 1139mm of rainfall annually across 160 rainy days.
Olean is located in United States, in the Americas region.
Olean sits at an elevation of 441 m (1,447 ft) above sea level.