| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 63°F | 81°F | 71°F | 6.7" |
| February | 64°F | 80°F | 71°F | 11.2" |
| March | 65°F | 80°F | 71°F | 12.1" |
| April | 65°F | 81°F | 72°F | 8.3" |
| May | 66°F | 83°F | 74°F | 7.0" |
| June | 68°F | 83°F | 75°F | 6.0" |
| July | 69°F | 84°F | 76°F | 7.6" |
| August | 69°F | 85°F | 76°F | 8.9" |
| September | 69°F | 85°F | 76°F | 8.5" |
| October | 68°F | 84°F | 75°F | 10.4" |
| November | 67°F | 82°F | 73°F | 12.0" |
| December | 65°F | 80°F | 72°F | 15.3" |
| Index | Pahoa | Hawaii | National |
| Air quality index | 142 | 59 | 50 |
| Pollution index | 1,421,020 | 4,235,086 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 2 |
| Days with moderate air quality | 58 |
| Days w/ poor A.Q. for sensitive groups | 145 |
| Days with unhealthy air quality | 159 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City, State | Population | Air Quality Index | National Avg. |
| Eden Roc, HI | 599 | 142 | 184% |
| Hawaiian Beaches, HI | 5,035 | 142 | 184% |
| Kurtistown, HI | 1,168 | 142 | 184% |
| Orchidlands Estates, HI | 3,221 | 142 | 184% |
| Fern Acres, HI | 1,392 | 142 | 184% |
| Pahoa, HI | 731 | 142 | 184% |
| City, State | Population | Air Quality Index | National Avg. |
| Coward, SC | 731 | 40 | 20% |
| North Philipsburg, PA | 731 | 39 | 22% |
| Hayden Lake, ID | 731 | 39 | 22% |
| Manchester, VT | 731 | 34 | 32% |
| Lake Shore, UT | 731 | 47 | 6% |
| Pahoa, HI | 731 | 142 | 184% |