| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 52°F | 43°F | 4.5" |
| February | 32°F | 48°F | 39°F | 3.5" |
| March | 39°F | 58°F | 47°F | 3.7" |
| April | 48°F | 66°F | 57°F | 7.6" |
| May | 56°F | 72°F | 64°F | 6.5" |
| June | 67°F | 83°F | 74°F | 11.3" |
| July | 72°F | 88°F | 79°F | 6.5" |
| August | 72°F | 87°F | 79°F | 7.8" |
| September | 66°F | 82°F | 74°F | 3.2" |
| October | 58°F | 73°F | 65°F | 16.2" |
| November | 44°F | 63°F | 52°F | 6.3" |
| December | 36°F | 52°F | 43°F | 6.5" |
| Index | Poquoson | Virginia | National |
| Air quality index | 40 | 58 | 42 |
| Pollution index | 244,779 | 1,561,881 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 317 |
| Days with moderate air quality | 48 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.003% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Yorktown, VA | 286 | 40 | 20.0% |
| Smithfield, VA | 8,492 | 40 | 20.0% |
| Gloucester Point, VA | 10,373 | 40 | 20.0% |
| Benns Church, VA | 642 | 40 | 20.0% |
| Hampton, VA | 135,169 | 40 | 20.0% |
| Poquoson, VA | 12,121 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Kingsburg, CA | 12,116 | 56 | 12.0% |
| Platteville, WI | 12,113 | 29 | 42.0% |
| Mackenzie County, AB | 12,113 | n/a | |
| Lake Tapps, WA | 12,129 | 45 | 10.0% |
| Sylacauga, AL | 12,132 | 38 | 24.0% |
| Poquoson, VA | 12,121 | 40 | 20.0% |
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