Climateby Month

Haleiwa, HI weather in July

NOAA 1991-2020 normals and daily records · Haleiwa all year

Expect warm, humid weather with rain on most days in Haleiwa in July, with highs near 85°F and lows near 70°F. Rain falls on about 24 days. Pack rain gear.

Normal high
85°F
Normal low
70°F
Wet days
24
3.9 in total
Muggy days
25
dew point 65°F+

How July changes from start to finish

Normal values at the start and end of July
July 1July 31
Normal high85°F86°F
Normal low70°F70°F
Chance of a wet day79%76%
Sunrise / sunset5:53 am / 7:19 pm6:05 am / 7:12 pm
Daylight13.4 h13.1 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Hawaii time (no daylight saving)).

A typical July day

  1. 6 am76°Fdew point 67°F
  2. 9 am82°Fdew point 67°F
  3. Noon86°Fdew point 66°F
  4. 3 pm86°Fdew point 66°F
  5. 6 pm82°Fdew point 67°F
  6. 9 pm79°Fdew point 67°F

NOAA hourly normals (local standard time) from Honolulu Intl Airport (22 mi away); average wind 12 mph; clear or few clouds in 33% of daytime hours, mostly cloudy or overcast in 25%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph6 of 31
  • Hot dayshigh 90°F or more2 of 31
  • Muggy daysdaily mean dew point 65°F or more25 of 31
  • Wet daysat least 0.01 in of rain or melted snow24 of 31
  • Notable rainat least 0.10 in12 of 31
  • Freezing nightslow 32°F or below0 of 31

Average days per July, counted from daily records for each year 1991-2020.

Rain in July

Normal precipitation is 3.9 in; a dry July brings about 2.8 in and a wet one about 4.6 in (25th and 75th percentiles). About 2 days bring half an inch or more.

How July varies from year to year

  • Warmest July, 1991-20202008: average high 89°F
  • Coolest July2012: average high 81°F
  • Wettest July1993: 7.2 in
  • Driest July2006: 1.4 in
  • Highest reading92°F (July 16, 2008)
  • Lowest reading59°F (July 11, 1992)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

July compared with June and August

JuneJulyAugust
Normal high84°F85°F86°F
Normal low69°F70°F70°F
Wet days232422
Comfortable days000
Daylight13.4 h13.3 h12.8 h

Highs change by +1°F from June and +1°F into August.

Nearby alternatives in July

How Haleiwa ranks in July

  • Normal high231st warmest of 378 cities; 4th of 7 in Hawaii
  • Wet days377th driest of 378
  • Comfortable days288th most of 340

What to pack for Haleiwa in July

  • Light, breathable clothing – highs near 85°F and about 25 muggy days
  • A rain jacket or umbrella – rain on about 24 days

Heating and cooling

July has 0 heating degree days and 389 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.

Questions

How hot is Haleiwa in July?

The normal high is 85°F and the normal low is 70°F. From 1991 to 2020 the hottest July reading was 92°F (most recently on July 16, 2008).

Does it rain a lot in Haleiwa in July?

About 24 days in July have at least 0.01 in of precipitation, and the normal total is 3.9 in. The wettest July in 1991-2020 was in 1993 (7.2 in); the driest was in 2006 (1.4 in).

Is July a good time to visit Haleiwa?

July ranks 7th of 12 months on our comfort score for Haleiwa (45 out of 100). It has almost no comfortable days and about 2 days at 90°F or hotter. The best months are January, February and March.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Waimea Valley 892.2 (USC00519603), 5.0 mi NE of the city center, 41 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Honolulu Intl Airport (USW00022521), 22 mi SSE of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Honolulu International Airport (911820-22521), 21 mi SSE of the city center, 6 ft . Hourly observations, 1991-2020.