Shell, WY
Full City Profile · Wyoming · Big Horn County County
5.0
/5.0
A+
Excellent
34
Population
30/sq mi density
45°F
Avg Temperature
A+
Overall
5.0 / 5.0
Strong
A+
Education
5.0 / 5.0
100.0% bachelor's degree or higher
Shell has a cool climate with an average annual temperature of 45°F (7°C). Winters average 20°F in January while summers reach 71°F in July. Annual precipitation totals 10.1 inches. The area receives 28.2 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
20°F Jan (-7°C)
71°F Jul (22°C)
| Annual Average | 44.7°F |
| 17% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 71°F (22°C) |
Geography
| Elevation | 4,195 ft (1,279 m) |
| Area | 1.1 sq mi (3.0 km²) |
| Population Density | 30/sq mi |
| Coordinates | 44.5345°N, 107.7845°W |
| Timezone | America/Denver |
| County | Big Horn County County |
| Nearest Airport | Worland Municipal (WRL) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
| Good Days % | 89.2% |
| Unhealthy Days | 2 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0457 ppm |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 31.1 / 100 |
| Social Vulnerability | 52.6 / 100 |
| Community Resilience | 7.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively High |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 0.5 in | Coldest |
| February | 24°F (-4°C) | 0.5 in | |
| March | 36°F (2°C) | 0.5 in | |
| April | 44°F (7°C) | 1.1 in | |
| May | 54°F (12°C) | 1.9 in | Wettest |
| June | 63°F (17°C) | 1.4 in | |
| July | 71°F (22°C) | 0.7 in | Warmest |
| August | 69°F (21°C) | 0.5 in | |
| September | 59°F (15°C) | 1.1 in | |
| October | 45°F (7°C) | 1.0 in | |
| November | 32°F (-0°C) | 0.7 in | |
| December | 21°F (-6°C) | 0.4 in | Driest |
Shell has a seasonal temperature swing of 52°F / from 20°F in January to 71°F in July. Total annual precipitation is 10.1 inches, with May being the wettest month (1.9") and December the driest (0.4").