| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 33°F | 56°F | 44°F | 3.4" |
| February | 35°F | 59°F | 46°F | 2.8" |
| March | 42°F | 68°F | 54°F | 3.3" |
| April | 50°F | 77°F | 63°F | 2.7" |
| May | 58°F | 83°F | 70°F | 3.1" |
| June | 67°F | 90°F | 78°F | 3.1" |
| July | 70°F | 92°F | 80°F | 2.8" |
| August | 69°F | 91°F | 79°F | 3.4" |
| September | 63°F | 85°F | 73°F | 3.0" |
| October | 50°F | 76°F | 62°F | 3.3" |
| November | 39°F | 66°F | 51°F | 3.1" |
| December | 37°F | 59°F | 47°F | 5.0" |
| Index | Silverstreet | South Carolina | National |
| Air quality index | 43 | 37 | 42 |
| Pollution index | 1,755,840 | 3,620,438 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 264 |
| Days with moderate air quality | 99 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.010% |
| Mercury | 0.003% |
| City | Population | Air Quality Index | National Avg. |
| Prosperity, SC | 1,257 | 43 | 14.0% |
| Newberry, SC | 10,219 | 43 | 14.0% |
| Joanna, SC | 1,270 | 44 | 12.0% |
| Mountville, SC | 75 | 46 | 8.0% |
| Saluda, SC | 3,603 | 47 | 6.0% |
| Silverstreet, SC | 159 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Pyatt, AR | 159 | 36 | 28.0% |
| Ali Chuk, AZ | 159 | 31 | 38.0% |
| Big Creek, CA | 159 | 60 | 20.0% |
| Calumet, IA | 159 | 35 | 30.0% |
| Shambaugh, IA | 159 | 43 | 14.0% |
| Silverstreet, SC | 159 | 43 | 14.0% |
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