TODAY JUN19
TEMPERATURE81
HUMIDITY66
PRESSURE29.84
WIND COND.70 10.3
  • 8674Wed50%50%
  • 9175Thu30%30%
  • 9775Fri
  • 9776Sat
  • 9677Sun
daynightWeather update from Castroville Municipal Airport at

Castroville Average Weather

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
January25°F84°F52°Fn/a
February30°F91°F61°Fn/a
March32°F86°F63°Fn/a
April37°F97°F69°Fn/a
May52°F100°F78°F0.2"
June59°F102°F84°F0.1"
Julyn/a°Fn/a°F0°Fn/a
August66°F104°F85°F0.1"
September55°F99°F77°F0.8"
October36°F93°F69°F0.9"
November32°F86°F60°F0.4"
December24°F86°F50°F0.2"

Did you know?

  • The highest monthly average temperature in Castroville for August is 85 degrees.
  • The lowest monthly average temperature in Castroville for July is 0 degrees.
  • The most monthly precipitation in Castroville occurs in October with 0.9 inches.
  • The air quality index in Castroville is 9% better than the national average.
  • The pollution index in Castroville is 377% worse than the national average.

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Compare Castroville, TX Weather To Other Cities

Castroville 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.
IndexCastrovilleTexasNational
Air quality index455250
Pollution index24,182,7004,642,9165,066,862

Castroville air quality information

MeasurementTotal
Days measured365
Days with good air quality249
Days with moderate air quality106
Days w/ poor A.Q. for sensitive groups10
Days with unhealthy air quality

Castroville air quality information

PollutantTotal
Arsenic0.310%
Benzene0.310%
Carbon Tetrachloride0.080%
Lead0.140%
Mercury0.230%

Average monthly Castroville temperature with heat index

Castroville monthly precipitation with daily maximum

Castroville monthly snow depth with daily maximum

Castroville monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Helotes, TX8,3294510%
Natalia, TX1,3644510%
LaCoste, TX1,1884510%
Somerset, TX1,5624510%
Lytle, TX2,8104510%
Castroville, TX2,9104510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Madison, FL2,9093628%
Iron River, MI2,911884%
Minden, NE2,911265430%
Frisco, CO2,9094216%
Fairmount, IN2,9083628%
Castroville, TX2,9104510%
Source: The Castroville, TX 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.