Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 41°F | 68°F | 53°F | 2.7" |
February | 44°F | 72°F | 57°F | 1.7" |
March | 51°F | 78°F | 64°F | 2.7" |
April | 58°F | 84°F | 70°F | 2.8" |
May | 65°F | 89°F | 76°F | 5.2" |
June | 73°F | 94°F | 83°F | 2.7" |
July | 75°F | 96°F | 84°F | 2.6" |
August | 76°F | 98°F | 85°F | 2.5" |
September | 70°F | 93°F | 80°F | 4.7" |
October | 60°F | 85°F | 72°F | 3.1" |
November | 51°F | 76°F | 63°F | 1.8" |
December | 43°F | 68°F | 54°F | 2.0" |
Index | Helotes | Texas | National |
Air quality index | 49 | 52 | 42 |
Pollution index | 24,182,700 | 2,009,300 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 196 |
Days with moderate air quality | 163 |
Days w/ poor A.Q. for sensitive groups | 5 |
Days with unhealthy air quality | 1 |
Pollutant | Total |
Arsenic | 0.310% |
Benzene | 0.310% |
Carbon Tetrachloride | 0.080% |
Lead | 0.140% |
Mercury | 0.230% |
City | Population | Air Quality Index | National Avg. |
Cross Mountain, TX | 3,238 | 49 | 2.0% |
Balcones Heights, TX | 3,128 | 49 | 2.0% |
Terrell Hills, TX | 5,409 | 49 | 2.0% |
Hollywood Park, TX | 3,343 | 49 | 2.0% |
Leon Valley, TX | 12,279 | 49 | 2.0% |
Helotes, TX | 9,525 | 49 | 2.0% |
City | Population | Air Quality Index | National Avg. |
Merrydale, LA | 9,523 | 45 | 10.0% |
Orono, ME | 9,523 | 31 | 38.0% |
Francisville, KY | 9,520 | 54 | 8.0% |
Silver City, NM | 9,530 | 37 | 26.0% |
Midland, WA | 9,518 | 30 | 40.0% |
Helotes, TX | 9,525 | 49 | 2.0% |