Sun, sea & sand

Honolulu, Hawaii weather in July

Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.

95

Holiday weather in July

Excellent

Best time to visit: January – December

Air temperature27°CNight 24°
Sea temperature26.1°Cwarm
Sunshine11hrs / dayof 13.3 h daylight
Rainy days8days / month21 mm

What is the weather like in Honolulu, Hawaii in July?

In July, Honolulu, Hawaii is hot: daytime highs average 27 °C, and even at night it stays warm at around 24 °C. The sea averages 26.1 °C – lovely and warm for swimming. With around 11 hours of sunshine a day, there is plenty of sun. Rain falls on about 8 days, adding up to 21 mm. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Honolulu, Hawaii.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score959596
Day27°27°28°
Night24°24°25°
Sea26°26°27°
Sun11 h11 h10 h
Rain days787

More details for July

Daylight
13 h 19 min05:58 – 19:17
UV index
12 · extremeclear sky, noon (estimate)
Muggy days
31 daysdew point 18 °C or more
Wind
24 km/haverage daily peak
Cloud cover
47 %on average
Hot days
0 days30 °C or more
Time zone
UTC−10Pacific/Honolulu

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 20 %74 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in July

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent

Honolulu, Hawaii in July: quick answers

Is Honolulu, Hawaii hot in July?

Yes. In July, Honolulu, Hawaii is hot: daytime highs average 27 °C and nights stay around 24 °C.

Can you swim in Honolulu, Hawaii in July?

Yes. In July the sea averages 26.1 °C – lovely and warm for swimming.

Does it rain much in Honolulu, Hawaii in July?

Rain falls on about 8 days, adding up to 21 mm.

Honolulu, Hawaii month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)