TODAY MAY13
TEMPERATURE39
HUMIDITY100
PRESSURE30.41
WIND COND.
  • 6643Thu
  • 6450Fri50%
  • 6551Sat60%40%
  • 6957Sun40%70%
  • 7356Mon50%40%
daynightWeather update from Fairfield - Fairfield Municipal Airport at

Key findings

  • The highest monthly average temperature in Brighton for July is 75.1 degrees
  • The lowest monthly average temperature in Brighton for January is 24.7 degrees
  • The most monthly precipitation in Brighton occurs in May with 6.2 inches
  • The air quality index in Brighton is 30% better than the national average
  • The pollution index in Brighton is 89% better than the national average

Compare Brighton, IA Weather

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      Brighton 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
      January17°F34°F25°F0.7"
      February18°F36°F26°F2.1"
      March33°F53°F41°F4.1"
      April43°F66°F53°F4.8"
      May53°F75°F63°F6.2"
      June63°F84°F73°F5.9"
      July65°F86°F75°F5.6"
      August63°F84°F73°F2.0"
      September55°F79°F65°F4.1"
      October44°F66°F54°F6.1"
      November33°F51°F41°F3.3"
      December22°F38°F30°F3.1"

      Brighton 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.
      IndexBrightonIowaNational
      Air quality index353950
      Pollution index577,8381,643,8365,066,862

      Brighton air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality278
      Days with moderate air quality86
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Brighton air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.090%
      Mercury0.000%

      Average monthly Brighton temperature with heat index

      Brighton monthly precipitation with daily maximum

      Brighton monthly snow depth with daily maximum

      Brighton monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Libertyville, IA3712942%
      Westwood, IA962942%
      Lockridge, IA2652942%
      Mount Pleasant, IA8,4912942%
      Fairfield, IA9,9422942%
      Brighton, IA5953530%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Beaver City, NE5951962%
      Buda, IL5954118%
      Frost, TX5954118%
      Sutherland, IA5953530%
      St. Meinrad, IN595688%
      Brighton, IA5953530%
      Source: The Brighton, IA 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.