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Hilo 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
January63°F81°F71°F6.7"
February64°F80°F71°F11.2"
March65°F80°F71°F12.1"
April65°F81°F72°F8.3"
May66°F83°F74°F7.0"
June68°F83°F75°F6.0"
July69°F84°F76°F7.6"
August69°F85°F76°F8.9"
September69°F85°F76°F8.5"
October68°F84°F75°F10.4"
November67°F82°F73°F12.0"
December65°F80°F72°F15.3"

Did you know?

  • The highest monthly average temperature in Hilo for August is 76 degrees.
  • The lowest monthly average temperature in Hilo for January is 71 degrees.
  • The most monthly precipitation in Hilo occurs in December with 15.3 inches.
  • The air quality index in Hilo is 185% worse than the national average.
  • The pollution index in Hilo is 71% better than the national average.

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Hilo 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.
IndexHiloHawaiiNational
Air quality index1425950
Pollution index1,421,0204,235,0865,066,862

Hilo air quality information

MeasurementTotal
Days measured365
Days with good air quality2
Days with moderate air quality58
Days w/ poor A.Q. for sensitive groups145
Days with unhealthy air quality159

Hilo air quality information

PollutantTotal
Arsenic0.000%
Benzene0.020%
Carbon Tetrachloride0.002%
Lead0.010%
Mercury0.000%

Average monthly Hilo temperature with heat index

Hilo monthly precipitation with daily maximum

Hilo monthly snow depth with daily maximum

Hilo monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Ainaloa, HI3,102142184%
Hawaiian Beaches, HI5,035142184%
Kurtistown, HI1,168142184%
Pahoa, HI731142184%
Wainaku, HI1,293142184%
Hilo, HI45,579142184%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Charlottesville, VA45,5383334%
Lacey, WA45,6443138%
Wylie, TX45,655548%
Lincoln, CA45,6755510%
Maricopa, AZ45,4737448%
Hilo, HI45,579142184%
Source: The Hilo, 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.