| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 12°F | 26°F | 18°F | 1.2" |
| February | 14°F | 29°F | 21°F | 2.6" |
| March | 28°F | 44°F | 35°F | 3.4" |
| April | 40°F | 59°F | 48°F | 4.7" |
| May | 51°F | 72°F | 60°F | 7.4" |
| June | 61°F | 80°F | 70°F | 7.3" |
| July | 66°F | 85°F | 75°F | 8.1" |
| August | 63°F | 81°F | 72°F | 9.2" |
| September | 56°F | 75°F | 64°F | 6.3" |
| October | 43°F | 60°F | 50°F | 7.3" |
| November | 30°F | 45°F | 37°F | 2.2" |
| December | 17°F | 29°F | 22°F | 3.4" |
| Index | Lake St. Croix Beach | Minnesota | National |
| Air quality index | 46 | 35 | 42 |
| Pollution index | 5,242,890 | 1,854,519 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 214 |
| Days with moderate air quality | 148 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.040% |
| Benzene | 0.060% |
| Carbon Tetrachloride | 0.020% |
| Lead | 0.070% |
| Mercury | 0.050% |
| City | Population | Air Quality Index | National Avg. |
| Roberts, WI | 1,849 | 37 | 26.0% |
| Prescott, WI | 4,278 | 37 | 26.0% |
| Ellsworth, WI | 3,284 | 37 | 26.0% |
| River Falls, WI | 15,870 | 37 | 26.0% |
| Hastings, MN | 22,796 | 37 | 26.0% |
| Lake St. Croix Beach, MN | 1,091 | 46 | 8.0% |
| City | Population | Air Quality Index | National Avg. |
| Groveland, ID | 1,091 | 27 | 46.0% |
| Macon, IL | 1,091 | 44 | 12.0% |
| Red Cloud, NE | 1,091 | 19 | 62.0% |
| Wells, NV | 1,091 | 14 | 72.0% |
| North Randall, OH | 1,091 | 50 | = 100 |
| Lake St. Croix Beach, MN | 1,091 | 46 | 8.0% |
Here are the best places to live in Minnesota
Most Dangerous States In The US
Safest States In The US
See the best places to live in Lake St. Croix Beach