| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 63°F | 80°F | 71°F | 2.9" |
| February | 64°F | 79°F | 71°F | 1.7" |
| March | 65°F | 79°F | 71°F | 3.4" |
| April | 65°F | 80°F | 72°F | 1.3" |
| May | 67°F | 82°F | 74°F | 1.2" |
| June | 70°F | 84°F | 76°F | 0.3" |
| July | 71°F | 85°F | 77°F | 0.7" |
| August | 72°F | 86°F | 78°F | 1.3" |
| September | 71°F | 86°F | 78°F | 1.0" |
| October | 70°F | 85°F | 77°F | 1.6" |
| November | 68°F | 82°F | 75°F | 2.1" |
| December | 66°F | 80°F | 73°F | 2.9" |
| Index | Kaunakakai | Hawaii | National |
| Air quality index | 15 | 59 | 42 |
| Pollution index | 1,615 | 3,576,767 | 2,726,193 |
| Measurement | Total |
| Days measured | 362 |
| Days with good air quality | 347 |
| Days with moderate air quality | 11 |
| Days w/ poor A.Q. for sensitive groups | 3 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.000% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Kualapuu, HI | 1,887 | 15 | 70.0% |
| Ualapue, HI | 475 | 15 | 70.0% |
| Maunaloa, HI | 317 | 30 | 40.0% |
| Kaunakakai, HI | 3,076 | 15 | 70.0% |
| City | Population | Air Quality Index | National Avg. |
| Silt, CO | 3,076 | 44 | 12.0% |
| Nashville, IL | 3,076 | 43 | 14.0% |
| McSherrystown, PA | 3,076 | 42 | 16.0% |
| North Shore, VA | 3,075 | 38 | 24.0% |
| Hampton, SC | 3,077 | 29 | 42.0% |
| Kaunakakai, HI | 3,076 | 15 | 70.0% |
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