Diamond Head-Kapahulu, Honolulu, HI Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in Diamond Head-Kapahulu for August is 80.8 degrees
The lowest monthly average temperature in Diamond Head-Kapahulu for January is 73.3 degrees
The most monthly precipitation in Diamond Head-Kapahulu occurs in March with 2.9 inches
The air quality index in Diamond Head-Kapahulu is 29% better than the national average
The pollution index in Diamond Head-Kapahulu is 323% worse than the national average

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Diamond Head-Kapahulu Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	66°F	81°F	73°F	1.8"
February	67°F	81°F	74°F	1.4"
March	68°F	82°F	74°F	2.9"
April	70°F	84°F	76°F	1.0"
May	71°F	85°F	77°F	1.2"
June	74°F	87°F	79°F	0.4"
July	75°F	88°F	80°F	0.6"
August	75°F	89°F	81°F	1.1"
September	74°F	88°F	80°F	1.0"
October	73°F	87°F	79°F	1.3"
November	71°F	85°F	77°F	2.0"
December	68°F	82°F	75°F	2.9"

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Diamond Head-Kapahulu 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.
Index	Diamond Head-Kapahulu	Honolulu	Hawaii
Air quality index	30	30	59
Pollution index	11,544,100	11,544,100	3,576,767

Diamond Head-Kapahulu air quality

Measurement	Total
Days measured	365
Days with good air quality	347
Days with moderate air quality	18
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.120%
Carbon Tetrachloride	0.060%
Lead	0.360%
Mercury	0.010%

Average monthly Diamond Head-Kapahulu temperature with heat index

Diamond Head-Kapahulu monthly precipitation with daily maximum

Diamond Head-Kapahulu monthly snow depth with daily maximum

Diamond Head-Kapahulu monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Ewa Beach, HI	13,803	30	40.0%
Mililani Town, HI	27,459	30	40.0%
Waipahu, HI	38,276	30	40.0%
Wheeler AFB, HI	2,124	30	40.0%
Halawa, HI	13,953	30	40.0%
Honolulu, HI	347,181	30	40.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Anaheim, CA	353,085	89	78.0%
Markham, ON	359,111	n/a
Santa Ana, CA	332,610	89	78.0%
Riverside, CA	327,569	89	78.0%
Corpus Christi, TX	326,332	42	16.0%
Honolulu, HI	347,181	30	40.0%

Source: The Diamond Head-Kapahulu, 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.