| Sonnette | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA Montana |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of Montana |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 3767 |
| Coordinates: | 45.4131°N -105.8314°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 790852 |
Sonnette is an unincorporated community in west central Powder River County, Montana, United States. The community is situated near the headwaters of Pumpkin Creek, just west of the Custer National Forest. It lies along local roads northwest of the town of Broadus, the county seat of Powder River County.[1]
According to the Köppen Climate Classification system, Sonnette has a semi-arid climate, abbreviated "BSk" on climate maps.[2]