Dennison, MN
Full City Profile · Minnesota · Rice County County
3.6
/5.0
B+
Good
214
Population
171/sq mi density
$51,250
Median Income
$48,255 per capita
$215,600
Home Value
$425,330 Zillow
$1,600
Median Rent
21.3% income on rent
45°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$51,250 median income, 6.3% unemployment
A
Affordability
4.3 / 5.0
$215,600 home value, $1,600/mo rent
B
Education
3.0 / 5.0
25.0% bachelor's degree or higher
Dennison has a cool climate with an average annual temperature of 45°F (7°C). Winters average 14°F in January while summers reach 71°F in July. Annual precipitation totals 35.5 inches. The area receives 43.3 inches of snow annually.
Temperature
14°F Jan (-10°C)
71°F Jul (22°C)
| Annual Average | 44.5°F |
| 18% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 71°F (22°C) |
Geography
| Elevation | 1,040 ft (317 m) |
| Area | 1.3 sq mi (3.2 km²) |
| Population Density | 171/sq mi |
| Coordinates | 44.4088°N, 93.0303°W |
| Timezone | America/Chicago |
| County | Rice County County |
| Nearest Airport | Owatonna Degner Regional (OWA) 23 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 75.5 / 100 |
| Social Vulnerability | 33.2 / 100 |
| Community Resilience | 91.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 1.0 in | Coldest, Driest |
| February | 18°F (-8°C) | 1.0 in | |
| March | 30°F (-1°C) | 1.9 in | |
| April | 44°F (7°C) | 3.1 in | |
| May | 57°F (14°C) | 4.4 in | |
| June | 68°F (20°C) | 5.6 in | Wettest |
| July | 71°F (22°C) | 4.6 in | Warmest |
| August | 69°F (21°C) | 4.7 in | |
| September | 61°F (16°C) | 3.7 in | |
| October | 47°F (9°C) | 2.6 in | |
| November | 33°F (1°C) | 1.7 in | |
| December | 21°F (-6°C) | 1.2 in |
Dennison has a seasonal temperature swing of 57°F / from 14°F in January to 71°F in July. Total annual precipitation is 35.5 inches, with June being the wettest month (5.6") and January the driest (1.0").