Average Rainfall for Wyoming in July

The tables below give monthly averages for rainfall during July at cities, towns and parks in Wyoming.

Each place has a total for the amount of precipitation it usually receives this month. Most sites also have information on the number of days with wet weather. That includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The rainfall totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

You can jump to a separate table for each region of the state: Northwest, Southwest, North - Central, Northeast and Southeast Wyoming.

Northwest Wyoming

Average monthly precipitation in July

Days	Place	Inches	Millimetres
6	Alta	1.7	43
7	Cody	1.1	28
7	Jackson	1.3	32
8	Moose	1.3	33
7	Moran	1.2	31
11	Yellowstone Lake	1.6	41
10	Yellowstone Park, Mammoth	1.5	37
9	Yellowstone Park, Old Faithful	1.6	39

Southwest Wyoming

July averages for total rainfall

Days	Place	Inches	Millimetres
5	Evanston	0.8	21
5	Fontenelle Reservoir Dam	0.7	18
–	Fossil Butte Monument	0.9	22
5	Kemmerer	0.7	18
5	Rock Springs	0.6	16

North - Central Wyoming

Average amount of rain in July

Days	Place	Inches	Millimetres
6	Boysen Reservoir Dam	0.8	20
–	Burgess Junction	1.7	43
6	Lander	0.8	20
5	Riverton	0.8	20
–	South Pass City	0.9	22
7	Ten Sleep	1.0	26
6	Thermopolis	0.9	22
6	Worland	0.7	18

Northeast Wyoming

Precipitation totals for July

Days	Place	Inches	Millimetres
7	Buffalo	1.5	39
9	Devils Tower	2.1	53
8	Gillette	1.8	46
8	Sheridan	1.2	30
9	Sundance	2.2	55

Southeast Wyoming

Total precipitation during July

Days	Place	Inches	Millimetres
8	Casper	1.4	36
9	Centennial	1.7	42
11	Cheyenne	2.2	56
7	Douglas	1.4	36
9	Laramie	1.4	36
4	Muddy Gap	0.7	18
7	Rawlins	0.8	21
7	Torrington	1.7	43