TODAY OCT17
TEMPERATURE64
HUMIDITY52
PRESSURE29.83
WIND COND.340 3.4
  • 8255Fri
  • 8256Sat
  • 8658Sun
  • 9059Mon
  • 9260Tue
daynightWeather update from San Bernardino Intl. Airport at
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International 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
January44°F70°F56°F1.6"
February45°F72°F57°F1.2"
March47°F75°F60°F0.7"
April50°F78°F63°F0.5"
May55°F82°F66°F0.2"
June59°F89°F72°F0.0"
July65°F94°F77°F0.2"
August65°F95°F78°F0.1"
September63°F94°F76°F0.2"
October56°F85°F69°F0.2"
November49°F77°F62°F0.5"
December44°F69°F55°F1.9"

Did you know?

  • The highest monthly average temperature in International for August is 78 degrees.
  • The lowest monthly average temperature in International for December is 55 degrees.
  • The most monthly precipitation in International occurs in December with 1.9 inches.
  • The air quality index in International is 71% worse than the national average.
  • The pollution index in International is 523% worse than the national average.

Compare San Bernardino, CA Weather To Other Cities

International 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.
IndexInternationalSan BernardinoCalifornia
Air quality index858555
Pollution index31,575,30031,575,30018,106,726

International air quality information

MeasurementTotal
Days measured365
Days with good air quality24
Days with moderate air quality211
Days w/ poor A.Q. for sensitive groups102
Days with unhealthy air quality25

International air quality information

PollutantTotal
Arsenic0.110%
Benzene0.260%
Carbon Tetrachloride0.020%
Lead0.350%
Mercury0.280%

Average monthly International temperature with heat index

International monthly precipitation with daily maximum

International monthly snow depth with daily maximum

International monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Crestline, CA8,9008570%
Highland, CA54,4908570%
Lytle Creek, CA1,0198570%
Muscoy, CA13,0258570%
Running Springs, CA4,6248570%
San Bernardino, CA214,5818570%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Des Moines, IA212,8594118%
Birmingham, AL212,42450= 100
Richmond, VA216,7733922%
Spokane, WA212,0783922%
Boise, ID218,6773628%
San Bernardino, CA214,5818570%
Source: The International, San Bernardino, CA 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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