Pierce Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in Pierce?

In Pierce, January has the greatest precipitation of any month. On average, Pierce gets 5.5 inches of precipitation in January.

However, February is the month with the greatest chance of precipitation. 56.8% of days in February will have at least some rain or snow.

What's the Driest Month in Pierce?

In Pierce, July has the least precipitation of any month. On average, Pierce gets 0.86 inches of precipitation in July.

July is also the month where rain is least common. 12.7% of days in July will have measurable rain.

Month	Precipitation	% Chance
January	5.49 in	53.5
February	4.54 in	56.8
March	4.43 in	50.8
April	3.69 in	48.3
May	3.79 in	43.6
June	3.04 in	38.3
July	0.86 in	12.7
August	1.02 in	13.7
September	1.33 in	20.4
October	3.42 in	38.8
November	4.64 in	51.9
December	5.59 in	58.4
Year	41.92 in	41.3

Weather Station Details

Years	Station	Coordinates
1963–2024	Pierce	location
1913–1962	Pierce RS	location