Inver Grove Heights, Minnesota, experiences a Humid Continental Mild Summer climate, characterized by warm, wet summers and cold, snowy winters. Average annual temperatures range from a low of 36.7°F to a high of 54.8°F, with annual precipitation averaging 34.2 inches. The city falls within USDA Plant Hardiness Zone 5a, indicating that the growing season typically spans from late April to early October.
Monthly Climate Averages
Understanding the monthly climate patterns can help residents and visitors plan activities and prepare for seasonal changes:
| Month | Avg. Low (°F) | Avg. High (°F) | Avg. Precipitation (inches) |
|---|---|---|---|
| January | 7.3 | 23.4 | 1.03 |
| February | 10.5 | 28.2 | 0.97 |
| March | 22.5 | 40.7 | 1.75 |
| April | 35.9 | 55.6 | 3.04 |
| May | 48.4 | 68.1 | 4.25 |
| June | 58.9 | 78.0 | 5.04 |
| July | 63.5 | 82.5 | 4.31 |
| August | 60.9 | 80.0 | 4.45 |
| September | 52.4 | 72.5 | 3.34 |
| October | 39.3 | 58.1 | 2.93 |
| November | 26.5 | 42.2 | 1.73 |
| December | 14.2 | 28.6 | 1.37 |
Environmental Initiatives
Inver Grove Heights is committed to preserving its natural resources and promoting environmental awareness. The city boasts over 630 lakes and wetlands and borders the Mississippi River, making water resource management a priority. The Environmental Advisory Commission (EAC), a nine-member citizen commission appointed by the City Council, reviews environmental issues, including land alteration permits and wetland replacement applications. The EAC also promotes public awareness and understanding of local environmental issues.
Residents are encouraged to participate in programs like the Storm Drain Stenciling Program, an initiative by the Lower Mississippi River Watershed Management Organization (LMRWMO). This program allows community members to mark storm drains, reminding others that what enters these drains flows directly into nearby waterways. Additionally, the city has implemented a Stormwater Pollution Prevention Plan (SWPPP) to reduce pollutant discharge from its storm sewer system, protecting local water resources.
Water Quality and Safety
Ensuring safe drinking water is a top priority for Inver Grove Heights. The city’s water supply comes from groundwater sources, serving approximately 35,374 residents. While the water system has faced challenges, including the detection of certain contaminants, efforts are ongoing to address these issues. Residents are advised to stay informed about water quality reports and consider using water filters to reduce exposure to potential contaminants.
By understanding the local climate and actively participating in environmental initiatives, residents of Inver Grove Heights can contribute to the sustainability and health of their community.

