| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 41°F | 31°F | 4.0" |
| February | 21°F | 42°F | 31°F | 3.8" |
| March | 28°F | 50°F | 39°F | 5.0" |
| April | 39°F | 63°F | 50°F | 4.7" |
| May | 48°F | 71°F | 59°F | 3.7" |
| June | 58°F | 80°F | 68°F | 4.8" |
| July | 65°F | 86°F | 75°F | 4.0" |
| August | 63°F | 84°F | 73°F | 3.6" |
| September | 56°F | 78°F | 66°F | 4.3" |
| October | 46°F | 67°F | 56°F | 5.9" |
| November | 36°F | 56°F | 45°F | 4.4" |
| December | 27°F | 46°F | 36°F | 5.2" |
| Index | Hope | Providence | Rhode Island |
| Air quality index | 44 | 44 | 45 |
| Pollution index | 8,312,000 | 8,312,000 | 3,440,259 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 289 |
| Days with moderate air quality | 74 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.090% |
| Carbon Tetrachloride | 0.040% |
| Lead | 0.210% |
| Mercury | 0.060% |
| City | Population | Air Quality Index | National Avg. |
| Cranston, RI | 81,252 | 44 | 12.0% |
| Foxborough, MA | 6,119 | 44 | 12.0% |
| Central Falls, RI | 19,437 | 44 | 12.0% |
| Harmony, RI | 1,195 | 44 | 12.0% |
| Woonsocket, RI | 41,616 | 44 | 12.0% |
| Providence, RI | 179,472 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Newport News, VA | 179,582 | 40 | 20.0% |
| Santa Rosa, CA | 178,391 | 34 | 32.0% |
| Ontario, CA | 178,194 | 89 | 78.0% |
| Rancho Cucamonga, CA | 178,060 | 89 | 78.0% |
| Sioux Falls, SD | 180,927 | 36 | 28.0% |
| Providence, RI | 179,472 | 44 | 12.0% |
Here are the best places to live in Rhode Island
These are the largest cities in Rhode Island
Check out the 10 safest cities in Rhode Island
Most Dangerous States In The US