TODAY NOV22
TEMPERATURE37
HUMIDITY94
PRESSURE
WIND COND.170 19
  • 5431Fri90%100%
  • 4322Sat80%20%
  • 4424Sun20%40%
  • 4425Mon70%60%
  • 4223Tue
daynightWeather update from US395 NB at Battle Mt MP39.7 at
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Weather Quick Facts

  • The highest monthly average temperature in Ukiah for July is 62.7 degrees
  • The lowest monthly average temperature in Ukiah for December is 26.9 degrees
  • The most monthly precipitation in Ukiah occurs in December with 6.4 inches
  • The air quality index in Ukiah is 10% better than the national average
  • The pollution index in Ukiah is 467% worse than the national average

Compare Ukiah, OR Weather

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      Ukiah 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
      January21°F37°F28°F4.4"
      February22°F42°F31°F3.4"
      March26°F48°F36°F5.0"
      April29°F54°F40°F3.8"
      May34°F63°F48°F3.5"
      June39°F71°F55°F3.0"
      July42°F82°F63°F0.7"
      August40°F81°F61°F0.6"
      September35°F73°F53°F1.5"
      October31°F59°F43°F3.2"
      November27°F45°F35°F4.9"
      December19°F35°F27°F6.4"

      Ukiah 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.
      IndexUkiahOregonNational
      Air quality index383242
      Pollution index15,448,3007,156,3562,726,193

      Ukiah air quality

      MeasurementTotal
      Days measured364
      Days with good air quality286
      Days with moderate air quality72
      Days w/ poor A.Q. for sensitive groups6
      Days with unhealthy air quality

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.170%
      Carbon Tetrachloride0.030%
      Lead0.050%
      Mercury0.010%

      Average monthly Ukiah temperature with heat index

      Ukiah monthly precipitation with daily maximum

      Ukiah monthly snow depth with daily maximum

      Ukiah monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ukiah, OR2883824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Gilmore, AR2884510.0%
      Derby Acres, CA2886734.0%
      Little Creek, DE2884216.0%
      Cecil, GA2883530.0%
      Palmer, IL2884020.0%
      Ukiah, OR2883824.0%
      Source: The Ukiah, OR 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.