| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 66°F | 80°F | 73°F | 1.5" |
| February | 66°F | 80°F | 73°F | 2.5" |
| March | 66°F | 81°F | 73°F | 1.3" |
| April | 68°F | 83°F | 75°F | 1.1" |
| May | 70°F | 84°F | 77°F | 1.3" |
| June | 71°F | 86°F | 79°F | 0.3" |
| July | 72°F | 87°F | 80°F | 0.4" |
| August | 73°F | 87°F | 80°F | 0.8" |
| September | 72°F | 87°F | 80°F | 0.7" |
| October | 72°F | 86°F | 79°F | 1.2" |
| November | 69°F | 84°F | 76°F | 2.2" |
| December | 67°F | 81°F | 74°F | 4.5" |
| Index | Kekaha | Hawaii | National |
| Air quality index | 13 | 59 | 42 |
| Pollution index | 2,893,180 | 3,576,767 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 363 |
| Days with moderate air quality | 2 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.090% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Hanapepe, HI | 2,763 | 13 | 74.0% |
| Omao, HI | 1,495 | 13 | 74.0% |
| Kalaheo, HI | 5,333 | 13 | 74.0% |
| Pakala Village, HI | 454 | 13 | 74.0% |
| Kaumakani, HI | 1,148 | 13 | 74.0% |
| Kekaha, HI | 3,246 | 13 | 74.0% |
| City | Population | Air Quality Index | National Avg. |
| Choccolocco, AL | 3,246 | 38 | 24.0% |
| Chickamauga, GA | 3,245 | 46 | 8.0% |
| Garnett, KS | 3,245 | 22 | 56.0% |
| Pottsgrove, PA | 3,245 | 42 | 16.0% |
| Pendleton, SC | 3,245 | 41 | 18.0% |
| Kekaha, HI | 3,246 | 13 | 74.0% |
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