TODAY NOV23
TEMPERATURE31
HUMIDITY86
PRESSURE30.14
WIND COND.
  • 4129Sat20%
  • 4934Sun
  • 5435Mon
  • 5233Tue
  • 4631Wed
daynightWeather update from Logan County Airport at
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San Jose 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
January20°F37°F28°F2.6"
February21°F39°F29°F3.2"
March34°F55°F43°F4.1"
April44°F67°F55°F6.7"
May54°F76°F65°F4.6"
June63°F85°F74°F8.5"
July66°F87°F76°F11.2"
August64°F86°F74°F8.1"
September56°F80°F67°F11.5"
October46°F68°F56°F6.3"
November34°F54°F43°F5.1"
December25°F40°F32°F5.3"

Did you know?

  • The highest monthly average temperature in San Jose for July is 76 degrees.
  • The lowest monthly average temperature in San Jose for January is 28 degrees.
  • The most monthly precipitation in San Jose occurs in September with 11.5 inches.
  • The air quality index in San Jose is 3% better than the national average.
  • The pollution index in San Jose is 75% better than the national average.

Compare San Jose, IL Weather To Other Cities

San Jose 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.
IndexSan JoseIllinoisNational
Air quality index484150
Pollution index1,277,8903,347,2955,066,862

San Jose air quality information

MeasurementTotal
Days measured365
Days with good air quality207
Days with moderate air quality132
Days w/ poor A.Q. for sensitive groups21
Days with unhealthy air quality5

San Jose air quality information

PollutantTotal
Arsenic0.010%
Benzene0.050%
Carbon Tetrachloride0.000%
Lead0.010%
Mercury0.002%

Average monthly San Jose temperature with heat index

San Jose monthly precipitation with daily maximum

San Jose monthly snow depth with daily maximum

San Jose monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Easton, IL3763530%
Mason City, IL2,2723530%
Middletown, IL3233530%
Lincoln, IL14,2533530%
New Holland, IL1873530%
San Jose, IL645484%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Stratford, IA6453726%
New Hope, TX645548%
Greenville, IN6455510%
Cordova, IL645536%
Dillonvale village, OH645548%
San Jose, IL645484%
Source: The San Jose, IL 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.
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