# Counties in Montana by annual precipitation, 2025

All 56 values come from NOAA National Centers for Environmental Information for 2025, so the places are comparable.

- Indicator id: `precipitation_annual`
- Unit: inches
- Definition: Total precipitation from January to December, in inches: rain plus the water content of snow and other frozen precipitation. NOAA computes it from its climate divisional dataset (nClimDiv): station readings interpolated onto a 5 km grid and averaged over the area.
- Source: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December precipitation, counties (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping)
- Publisher page: https://invokely.ai/en/publishers/noaa-ncei
- Retrieved: 2026-10-12
- Citation: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December precipitation, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/annual-precipitation/montana-counties

| Rank | Place | inches |
|---:|---|---:|
| 1 | Mineral County | 39.66 |
| 2 | Flathead County | 39.1 |
| 3 | Lincoln County | 36.02 |
| 4 | Sanders County | 33.51 |
| 5 | Missoula County | 32.27 |
| 6 | Ravalli County | 29.41 |
| 7 | Powell County | 28.26 |
| 8 | Lake County | 27.51 |
| 9 | Park County | 27.45 |
| 10 | Granite County | 25.05 |
| 11 | Gallatin County | 23.93 |
| 12 | Deer Lodge County | 23.41 |
| 13 | Glacier County | 23.27 |
| 14 | Madison County | 22.98 |
| 15 | Lewis and Clark County | 22.02 |
| 16 | Sweet Grass County | 22 |
| 17 | Stillwater County | 21.55 |
| 18 | Big Horn County | 20.55 |
| 19 | Carter County | 20.41 |
| 20 | Meagher County | 20.14 |
| 21 | Carbon County | 20.02 |
| 22 | Beaverhead County | 19.76 |
| 23 | Fallon County | 19.4 |
| 24 | Treasure County | 19.26 |
| 25 | Yellowstone County | 19.16 |
| 26 | Jefferson County | 18.78 |
| 27 | Powder River County | 18.37 |
| 28 | Musselshell County | 18.36 |
| 29 | Judith Basin County | 18.21 |
| 30 | Silver Bow County | 18.04 |
| 31 | Wibaux County | 18 |
| 32 | Fergus County | 17.89 |
| 33 | Rosebud County | 17.72 |
| 34 | Golden Valley County | 17.7 |
| 35 | Wheatland County | 17.35 |
| 36 | Custer County | 17.18 |
| 37 | Dawson County | 15.53 |
| 38 | Broadwater County | 15.49 |
| 39 | Garfield County | 15.21 |
| 40 | Teton County | 15.17 |
| 41 | Petroleum County | 15.13 |
| 42 | Sheridan County | 15 |
| 43 | Prairie County | 14.89 |
| 44 | Hill County | 14.66 |
| 45 | Cascade County | 14.54 |
| 46 | Richland County | 14.23 |
| 47 | Blaine County | 14.19 |
| 47 | McCone County | 14.19 |
| 49 | Pondera County | 14.04 |
| 50 | Roosevelt County | 13.61 |
| 51 | Daniels County | 13.59 |
| 52 | Liberty County | 13.36 |
| 53 | Chouteau County | 12.84 |
| 54 | Phillips County | 12.43 |
| 55 | Valley County | 12.24 |
| 56 | Toole County | 11.32 |