| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 39°F | 61°F | 49°F | 1.1" |
| February | 42°F | 67°F | 54°F | 1.0" |
| March | 46°F | 74°F | 59°F | 0.7" |
| April | 49°F | 79°F | 63°F | 0.7" |
| May | 57°F | 87°F | 71°F | 0.3" |
| June | 64°F | 95°F | 80°F | 0.0" |
| July | 71°F | 101°F | 86°F | 0.0" |
| August | 70°F | 99°F | 84°F | 0.0" |
| September | 64°F | 94°F | 79°F | 0.1" |
| October | 54°F | 82°F | 67°F | 0.2" |
| November | 45°F | 70°F | 57°F | 0.5" |
| December | 38°F | 61°F | 49°F | 1.3" |
| Index | Delano | California | National |
| Air quality index | 67 | 55 | 42 |
| Pollution index | 21,828,100 | 10,473,190 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 119 |
| Days with moderate air quality | 151 |
| Days w/ poor A.Q. for sensitive groups | 87 |
| Days with unhealthy air quality | 6 |
| Pollutant | Total |
| Arsenic | 0.160% |
| Benzene | 0.440% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.100% |
| Mercury | 0.200% |
| City | Population | Air Quality Index | National Avg. |
| Ducor, CA | 708 | 66 | 32.0% |
| Pixley, CA | 4,322 | 66 | 32.0% |
| Earlimart, CA | 8,908 | 66 | 32.0% |
| Terra Bella, CA | 2,389 | 66 | 32.0% |
| Allensworth, CA | 596 | 66 | 32.0% |
| Delano, CA | 52,821 | 67 | 34.0% |
| City | Population | Air Quality Index | National Avg. |
| Apopka, FL | 52,795 | 37 | 26.0% |
| West New York, NJ | 52,778 | 51 | 2.0% |
| Châteauguay, QC | 52,776 | n/a | |
| Milford city, CT | 52,902 | 43 | 14.0% |
| Pensacola, FL | 52,918 | 41 | 18.0% |
| Delano, CA | 52,821 | 67 | 34.0% |
Here are the best places to live in California
Safest Cities In The US
Check out the 10 most dangerous cities in California
Check out the 10 safest cities in California