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Key findings

  • The highest monthly average temperature in Honolulu for August is 81 degrees
  • The lowest monthly average temperature in Honolulu for January is 73 degrees
  • The most monthly precipitation in Honolulu occurs in March with 2.9 inches
  • The air quality index in Honolulu is 40% better than the national average
  • The pollution index in Honolulu is 128% worse than the national average

Compare Honolulu, HI Weather

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      Honolulu 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
      January66°F81°F73°F1.8"
      February67°F81°F74°F1.4"
      March68°F82°F74°F2.9"
      April70°F84°F76°F1.0"
      May71°F85°F77°F1.2"
      June74°F87°F79°F0.4"
      July75°F88°F80°F0.6"
      August75°F89°F81°F1.1"
      September74°F88°F80°F1.0"
      October73°F87°F79°F1.3"
      November71°F85°F77°F2.0"
      December68°F82°F75°F2.9"

      Honolulu 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.
      IndexHonoluluHawaiiNational
      Air quality index305950
      Pollution index11,544,1004,235,0865,066,862

      Honolulu air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality347
      Days with moderate air quality18
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Honolulu air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.120%
      Carbon Tetrachloride0.060%
      Lead0.360%
      Mercury0.010%

      Average monthly Honolulu temperature with heat index

      Honolulu monthly precipitation with daily maximum

      Honolulu monthly snow depth with daily maximum

      Honolulu monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Ewa Beach, HI15,1653040%
      Heeia, HI4,5363040%
      Kailua CDP (Hawaii County), HI13,6173040%
      Kaneohe Station, HI11,0723040%
      Mililani Mauka, HI20,3223040%
      Honolulu, HI349,5973040%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Aurora, CO351,1315816%
      Anaheim, CA346,7768978%
      Tampa, FL361,4774314%
      Santa Ana, CA333,6058978%
      Bakersfield, CA367,5556734%
      Honolulu, HI349,5973040%
      Source: The Honolulu, HI 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.