Mild
Average highs are around 26°C, so days are mild rather than hot.
Weather Guide
Olean, New York, United States Average Monthly Weather
Weather score37Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 13°C, sunshine averages 5.9h per day, and rainfall totals about 1058mm.
Annual weather
Annual averages
Temp
13°C
Rain
1058mm
Annual total
Sun
5.9h
Weather score
37
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 104mm, so some wet days are possible.
Bright
Sunshine averages 9.3h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Olean, New York, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July26°C average high
July is one of Olean's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
July104mm average rain
July is wetter than Olean's yearly average, so flexible plans matter more.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July9.3 hours average sun
July is one of Olean's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
July66 weather score
July is one of Olean's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
