Average Precipitation for Wyoming in January





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

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The precipitation totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

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 January
Days Place Inches Milli­metres
9 Alta 2.5 63
3 Cody 0.4 9
12 Jackson 1.5 37
16 Moose 2.6 67
14 Moran 2.9 74
17 Yellowstone Lake 2.0 50
11 Yellowstone Park, Mammoth 0.9 23
14 Yellowstone Park, Old Faithful 2.1 53
18 Yellowstone Park, South Entrance 3.9 99

Southwest Wyoming

January averages for total rainfall plus snowfall
Days Place Inches Milli­metres
5 Evanston 0.8 21
3 Fontenelle Reservoir Dam 0.4 9
9 Fossil Butte Monument 0.7 19
5 Kemmerer 0.7 18
5 Rock Springs 0.4 10

North - Central Wyoming

Average amount of rain and snow in January
Days Place Inches Milli­metres
3 Boysen Reservoir Dam 0.2 6
4 Lander 0.5 13
4 Riverton 0.4 9
6 Ten Sleep 0.6 15
3 Thermopolis 0.4 10
4 Worland 0.2 6

Northeast Wyoming

Precipitation totals for January
Days Place Inches Milli­metres
5 Buffalo 0.4 11
8 Devils Tower 0.7 18
8 Gillette 0.6 15
8 Sheridan 0.6 15
9 Sundance 0.8 21

Southeast Wyoming

Total precipitation during January
Days Place Inches Milli­metres
6 Casper 0.5 12
5 Cheyenne 0.4 9
6 Douglas 0.6 14
6 Laramie 0.4 10
6 Rawlins 0.4 11
3 Torrington 0.3 7
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Wyoming Precipitation
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