Blue Ash (OH) Weather & Climate: Best Time to Visit

In Blue Ash, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a very warm 30°C (86°F) in August, the warmest time of the year, to a chilly 4°C (39°F) during cooler months like January.

At night, you can expect temperatures ranging from 19°C (66°F) in August to around -5°C (23°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Blue Ash experiences significant rain/snowfall throughout the year, averaging 1160 mm (46 in) of precipitation annually. While rainfall varies throughout the year, each season offers its own charm. April brings wetter days averaging 126 mm (5 in) of precipitation, spread over 13 rainy days.

In contrast, the driest month August experiences a drier climate, with about 75 mm (3 in) of rainfall spread across 10 rainy days. For more details, please visit our Blue Ash Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Blue Ash. While June receives considerable daily sunshine with up to 9.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.4 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Blue Ash.

The city experiences its highest humidity in December, reaching 73%. In April, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year