Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 37°F | 59°F | 46°F | 6.3" |
February | 41°F | 64°F | 50°F | 4.5" |
March | 47°F | 70°F | 57°F | 6.1" |
April | 55°F | 77°F | 65°F | 8.2" |
May | 62°F | 82°F | 71°F | 8.7" |
June | 71°F | 91°F | 80°F | 9.1" |
July | 74°F | 94°F | 83°F | 9.0" |
August | 74°F | 94°F | 83°F | 8.4" |
September | 69°F | 91°F | 79°F | 9.7" |
October | 58°F | 81°F | 68°F | 13.3" |
November | 47°F | 68°F | 56°F | 7.5" |
December | 40°F | 60°F | 48°F | 7.9" |
Index | Rowlett | Texas | National |
Air quality index | 51 | 52 | 50 |
Pollution index | 3,706,540 | 4,642,916 | 5,066,862 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 181 |
Days with moderate air quality | 155 |
Days w/ poor A.Q. for sensitive groups | 28 |
Days with unhealthy air quality | 1 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.010% |
Lead | 0.040% |
Mercury | 0.000% |
City, State | Population | Air Quality Index | National Avg. |
Sunnyvale, TX | 5,871 | 51 | 2% |
Garland, TX | 234,810 | 51 | 2% |
McLendon-Chisholm, TX | 2,005 | 51 | 2% |
Parker, TX | 4,241 | 51 | 2% |
Royse City, TX | 10,532 | 51 | 2% |
Rowlett, TX | 59,203 | 51 | 2% |
City, State | Population | Air Quality Index | National Avg. |
Kendale Lakes, FL | 59,217 | 41 | 18% |
Brookline, MA | 59,180 | 43 | 14% |
Redmond, WA | 59,268 | 45 | 10% |
La Mesa, CA | 59,125 | 64 | 28% |
Buckeye, AZ | 59,310 | 74 | 48% |
Rowlett, TX | 59,203 | 51 | 2% |