| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 69°F | 82°F | 76°F | 9.4" |
| February | 68°F | 82°F | 75°F | 12.9" |
| March | 69°F | 83°F | 76°F | 3.9" |
| April | 71°F | 84°F | 77°F | 0.3" |
| May | 72°F | 84°F | 78°F | 2.0" |
| June | 73°F | 85°F | 79°F | 4.8" |
| July | 74°F | 87°F | 80°F | 2.4" |
| August | 75°F | 87°F | 81°F | 1.9" |
| September | 75°F | 87°F | 81°F | 1.3" |
| October | 73°F | 86°F | 80°F | 0.2" |
| November | 71°F | 84°F | 77°F | 3.1" |
| December | 70°F | 83°F | 77°F | 13.1" |
| Index | Kealakekua | Hawaii | National |
| Air quality index | 16 | 59 | 42 |
| Pollution index | 1,421,020 | 3,576,767 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 357 |
| Days with moderate air quality | 8 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Honalo, HI | 810 | 16 | 68.0% |
| Honaunau-Napoopoo, HI | 2,515 | 16 | 68.0% |
| Captain Cook, HI | 4,361 | 16 | 68.0% |
| Kahaluu-Keauhou, HI | 7,258 | 16 | 68.0% |
| Holualoa, HI | 2,827 | 16 | 68.0% |
| Kealakekua, HI | 2,393 | 16 | 68.0% |
| City | Population | Air Quality Index | National Avg. |
| Egypt, PA | 2,392 | 42 | 16.0% |
| Saint George, NB | 2,392 | n/a | |
| Parkwood, CA | 2,394 | 50 | = 100 |
| Ponder, TX | 2,394 | 51 | 2.0% |
| Saint-Polycarpe, QC | 2,394 | n/a | |
| Kealakekua, HI | 2,393 | 16 | 68.0% |
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