Hillsboro Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Hillsboro, Ohio. It is based on NOAA data for the years 1991–2020.

Average temperature by month

What's the Rainiest Month in Hillsboro?

In Hillsboro, April has the greatest precipitation of any month. On average, Hillsboro gets 4.9 inches of precipitation in April.

April is also the month where rain is most common. 44.9% of days in April will have at least some rain or snow.

What's the Driest Month in Hillsboro?

In Hillsboro, November has the least precipitation of any month. On average, Hillsboro gets 3.17 inches of precipitation in November.

September is the month with the lowest chance of precipitation. 31.3% of days in September will have measurable rain.

Month	Precipitation	% Chance
January	3.40 in	41.1
February	3.27 in	41.5
March	4.01 in	42.8
April	4.87 in	44.9
May	4.78 in	43.2
June	4.60 in	39.7
July	4.10 in	37.1
August	3.74 in	31.7
September	3.24 in	31.3
October	3.22 in	31.6
November	3.17 in	35.7
December	3.67 in	40.6
Year	45.99 in	38.6

Weather Station Details

Years	Station	Coordinates
1893–2024	Hillsboro	location