Jackson Hole Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in Jackson Hole?

In Jackson Hole, May has the greatest precipitation of any month. On average, Jackson Hole gets 1.7 inches of precipitation in May.

However, January is the month with the greatest chance of precipitation. 39.7% of days in January will have at least some rain or snow.

What's the Driest Month in Jackson Hole?

In Jackson Hole, July has the least precipitation of any month. On average, Jackson Hole gets 0.99 inches of precipitation in July.

July is also the month where rain is least common. 23.7% of days in July will have measurable rain.

Month	Precipitation	% Chance
January	1.44 in	39.7
February	1.42 in	37.1
March	1.41 in	29.2
April	1.39 in	31.3
May	1.74 in	33.0
June	1.64 in	31.6
July	0.99 in	23.7
August	1.17 in	24.4
September	1.57 in	26.8
October	1.48 in	27.3
November	1.36 in	32.8
December	1.52 in	43.3
Year	17.30 in	33.6

Weather Station Details

Years	Station	Coordinates
1905–2024	Jackson	location