TODAY SEP21
TEMPERATURE74
HUMIDITY20
PRESSURE
WIND COND.210 11.4
  • 10076Fri
  • 10177Sat
  • 10176Sun
  • 9974Mon
  • 9973Tue
daynightWeather update from Las Vegas - Henderson Executive Airport at
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Clark County Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January35°F59°F46°F1.8"
February40°F65°F52°F1.8"
March47°F74°F60°F0.9"
April53°F81°F66°F1.6"
May61°F90°F76°F1.2"
June73°F102°F88°F1.7"
July80°F106°F93°F2.1"
August77°F103°F90°F3.0"
September68°F96°F82°F2.5"
October56°F83°F68°F2.0"
November44°F70°F56°F1.8"
December35°F57°F45°F2.7"

Did you know?

  • The highest monthly average temperature in Clark County for July is 93 degrees.
  • The lowest monthly average temperature in Clark County for December is 45 degrees.
  • The most monthly precipitation in Clark County occurs in August with 3 inches.
  • The air quality index in Clark County is 8% worse than the national average.
  • The pollution index in Clark County is 7% worse than the national average.

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Clark County air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexClark CountyHendersonNevada
Air quality index545438
Pollution index5,460,4305,460,4304,261,773

Clark County air quality information

MeasurementTotal
Days measured365
Days with good air quality157
Days with moderate air quality192
Days w/ poor A.Q. for sensitive groups15
Days with unhealthy air quality1

Clark County air quality information

PollutantTotal
Arsenic0.000%
Benzene0.070%
Carbon Tetrachloride0.010%
Lead0.040%
Mercury0.001%

Average monthly Clark County temperature with heat index

Clark County monthly precipitation with daily maximum

Clark County monthly snow depth with daily maximum

Clark County monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Boulder City, NV15,373548%
North Las Vegas, NV230,436548%
Whitney, NV41,124548%
Enterprise, NV129,620548%
Paradise, NV229,666548%
Henderson, NV277,872548%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Plano, TX279,088548%
Newark, NJ280,139536%
Toledo, OH280,8543628%
Greensboro, NC282,1773824%
Lincoln, NE273,0183432%
Henderson, NV277,872548%
Source: The Clark County, Henderson, NV weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.