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Grover, WY
Full City Profile · Wyoming · Lincoln County County
2.2
/5.0
C
Fair
1,046
Population
222/sq mi density
39°F
Avg Temperature
302 sunny days/yr
153
Violent Crime/100K
2,040 property/100K
C
Overall
2.2 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
153 violent crimes/100K
B
Education
3.4 / 5.0
29.7% bachelor's degree or higher
Grover has a cool climate with an average annual temperature of 39°F (4°C). Winters average 15°F in January while summers reach 62°F in July. The area gets 302 sunny days per year. Annual precipitation totals 17.7 inches. The area receives 87.8 inches of snow annually. Air quality is rated Good with a median AQI of 34.
Temperature
15°F Jan (-9°C)
62°F Jul (17°C)
| Annual Average | 38.5°F |
| 29% below US avg | |
| January Average | 15°F (-9°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 6,152 ft (1,875 m) |
| Area | 0.9 sq mi (2.2 km²) |
| Population Density | 222/sq mi |
| Coordinates | 42.8020°N, 110.9405°W |
| Timezone | America/Denver |
| County | Lincoln County County |
| Nearest Airport | Jackson Hole (JAC) 57 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0512 ppm |
| NO₂ (Nitrogen Dioxide) | 10.0 ppb |
| SO₂ (Sulfur Dioxide) | 0.54 ppb |
| PM2.5 (Fine Particles) | 2.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 51.9 / 100 |
| Social Vulnerability | 29.1 / 100 |
| Community Resilience | 15.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Hell's Half Acre (145 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hell's Half Acre | Shield | 1,631 m (5,351 ft) | -3250 | 145 km |
| Yellowstone | Caldera(s) | 2,805 m (9,203 ft) | -1350 | 182 km |
| Wapi Lava Field | Shield | 1,604 m (5,262 ft) | -300 | 186 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-9°C) | 1.7 in | |
| February | 17°F (-8°C) | 1.4 in | |
| March | 26°F (-3°C) | 1.4 in | |
| April | 35°F (2°C) | 1.6 in | |
| May | 44°F (7°C) | 2.0 in | Wettest |
| June | 53°F (11°C) | 1.7 in | |
| July | 62°F (17°C) | 1.2 in | Warmest, Driest |
| August | 59°F (15°C) | 1.3 in | |
| September | 50°F (10°C) | 1.7 in | |
| October | 39°F (4°C) | 1.4 in | |
| November | 25°F (-4°C) | 1.6 in | |
| December | 14°F (-10°C) | 1.6 in | Coldest |
Grover has a seasonal temperature swing of 48°F / from 14°F in December to 62°F in July. Total annual precipitation is 18.7 inches, with May being the wettest month (2.0") and July the driest (1.2").