Fairmont Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in Fairmont?

In Fairmont, July has the greatest precipitation of any month. On average, Fairmont gets 5.0 inches of precipitation in July.

However, January is the month with the greatest chance of precipitation. 48.0% of days in January will have at least some rain or snow.

What's the Driest Month in Fairmont?

In Fairmont, November has the least precipitation of any month. On average, Fairmont gets 3.16 inches of precipitation in November.

September is the month with the lowest chance of precipitation. 33.0% of days in September will have measurable rain.

Month	Precipitation	% Chance
January	3.71 in	48.0
February	3.18 in	44.5
March	3.96 in	41.0
April	3.66 in	42.5
May	5.02 in	46.5
June	4.83 in	40.6
July	5.04 in	38.5
August	3.77 in	33.6
September	3.79 in	33.0
October	3.31 in	33.4
November	3.16 in	35.9
December	3.67 in	43.8
Year	46.62 in	40.3

Weather Station Details

Years	Station	Coordinates
1892–2024	Fairmont	location