| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 56°F | 45°F | 4.0" |
| February | 37°F | 59°F | 47°F | 5.9" |
| March | 44°F | 67°F | 54°F | 5.0" |
| April | 53°F | 76°F | 63°F | 5.9" |
| May | 60°F | 82°F | 70°F | 6.9" |
| June | 69°F | 89°F | 78°F | 5.8" |
| July | 72°F | 91°F | 80°F | 7.0" |
| August | 71°F | 89°F | 79°F | 6.1" |
| September | 65°F | 84°F | 73°F | 6.0" |
| October | 54°F | 75°F | 64°F | 10.0" |
| November | 43°F | 65°F | 53°F | 5.9" |
| December | 40°F | 61°F | 49°F | 6.5" |
| Index | Ivanhoe | North Carolina | National |
| Air quality index | 34 | 35 | 42 |
| Pollution index | 4,252,890 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 348 |
| Days with good air quality | 319 |
| Days with moderate air quality | 29 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.090% |
| Lead | 0.020% |
| Mercury | 0.004% |
| City | Population | Air Quality Index | National Avg. |
| White Lake, NC | 1,008 | 30 | 40.0% |
| Garland, NC | 1,210 | 30 | 40.0% |
| Harrells, NC | 225 | 34 | 32.0% |
| Sandyfield, NC | 699 | 34 | 32.0% |
| Kelly, NC | 349 | 34 | 32.0% |
| Ivanhoe, NC | 238 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Tonto Village, AZ | 238 | 60 | 20.0% |
| Dent, MN | 238 | 33 | 34.0% |
| Murdock, MN | 238 | 32 | 36.0% |
| Rayville, MO | 238 | 47 | 6.0% |
| Dunbar, NE | 238 | 31 | 38.0% |
| Ivanhoe, NC | 238 | 34 | 32.0% |