| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 46°F | 35°F | 5.7" |
| February | 26°F | 48°F | 36°F | 4.2" |
| March | 34°F | 59°F | 46°F | 4.5" |
| April | 43°F | 70°F | 56°F | 6.3" |
| May | 52°F | 77°F | 64°F | 6.4" |
| June | 61°F | 85°F | 72°F | 6.1" |
| July | 64°F | 87°F | 75°F | 5.9" |
| August | 63°F | 86°F | 73°F | 5.4" |
| September | 56°F | 79°F | 67°F | 6.9" |
| October | 45°F | 69°F | 56°F | 5.9" |
| November | 34°F | 58°F | 45°F | 3.6" |
| December | 29°F | 50°F | 39°F | 5.0" |
| Index | Harriston | Virginia | National |
| Air quality index | 36 | 58 | 42 |
| Pollution index | 902,129 | 1,561,881 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 349 |
| Days with moderate air quality | 16 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.040% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Dayton, VA | 1,540 | 36 | 28.0% |
| Mount Crawford, VA | 514 | 36 | 28.0% |
| Fishersville, VA | 9,164 | 36 | 28.0% |
| Jolivue, VA | 894 | 36 | 28.0% |
| Verona, VA | 3,965 | 36 | 28.0% |
| Harriston, VA | 910 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Togiak, AK | 910 | 31 | 38.0% |
| Pinon, AZ | 910 | 17 | 66.0% |
| Stockertown, PA | 910 | 42 | 16.0% |
| Red Rock, ON | 910 | n/a | |
| Dollar Point, CA | 909 | 44 | 12.0% |
| Harriston, VA | 910 | 36 | 28.0% |
Here are the best places to live in Virginia
Check out the 10 most dangerous cities in Virginia
Safest States In The US
These are the 10 cheapest cities in Virginia