Honolulu in July:
very hot,

Honolulu, United States · Records from 2006 to 2025. Not a forecast.

Mean high31°Hottest day 33.9° (2015)
Mean low24°Coldest night 20.8° (2012)
Rain days3 days0-10 by year
Rainfall15mmDaylight 13.4 → 13.1 h
Honolulu's 12 months iBest: December to February
Trip types Beach Goodwarm seaSightseeing on foot Poorhot and muggy
Humidity73%24 muggy days
Clear days6 days3 overcast days
Mean wind19 km/hRarely windy
Sea temperature26.4°26.2-26.9° by year (last 6)
Sunrise / sunset (15th)05:58 / 19:17Daylight 13.4 → 13.1 h

Honolulu in July

A full peak season with dry, sunny days one after another. US schools are out, so families fill the island. You can plan beach days with little worry about rain. Head to the beach early if you want a good spot on the sand.

July brought serious heat to Honolulu, 31°C on a typical afternoon and 24°C overnight. Early mornings were the best time to be outside. Rain fell on only 3 days on average. July could skip rain entirely: 1 of 20 years had none, while 2008 had 10 rain days.

Highs topped 30°C on 28 days of the month on average. Mixing in indoor stops at midday made sense.

Hurricanes i

1 of the last 20 years had a tropical storm pass within 300 km this month.

  • Douglas (2020), 96 km away hurricane strength
1 2 3 4 5 6 17 38 39 110 11 12

Date by date i

‹ June July 2027 August ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-3rain on 3% of days31° 24°
4-10rain on 5% of days31° 24°
11-17rain on 12% of days31° 24°
18-24rain on 11% of days31° 24°
25-31rain on 9% of days31° 24°

0-5/206-8/209-11/2012-20/20

1-3rain on 3% of days31° 24°
4-10rain on 5% of days31° 24°
11-17rain on 12% of days31° 24°
18-24rain on 11% of days31° 24°
25-31rain on 9% of days31° 24°
Tap another date to change

2006none
20071mm
20086mm
2009none
2010none
20111mm
20121mm
2013none
2014none
2015none
2016none
2017none
2018none
2019none
2020none
2021none
20221mm
2023none
2024none
2025none
Holidays in July (2027)
  • July 3 to July 5 Independence Day weekend

1 Local public holiday or break (busier, pricier)

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
0 d 1 d
2007
0 d 2 d
2008
2 d 10 d
2009
0 d 4 d
2010
0 d 1 d
2011
0 d 4 d
2012
1 d 3 d
2013
0 d 3 d
2014
1 d 3 d
2015
0 d 2 d
2016
1 d 6 d
2017
0 d 2 d
2018
1 d 2 d
2019
0 d 1 d
2020
1 d 4 d
2021
0 d 3 d
2022
0 d 1 d
2023
0 d 1 d
2024
0 d 0 d
2025
0 d 1 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
1
0
1
3
1
1
0
0
2
0
2
3
1
4
1
5
1
1
2
1
1
3
5
2
3
2
0
1
2
2
3
Rain days on trip
00200010101010100000

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2024 had 0 rain days, 2008 had 10.

Honolulu through the year

MonthHighLowRain daysRainfallSea
JanuaryGood 27°19°5 days35mm 25°
FebruaryGood 27°20°6 days49mm 25°
March 28°20°7 days61mm 25°
April 29°21°6 days36mm 25°
May 29°22°3 days26mm 25°
June 31°23°2 days16mm 26°
July 31°24°3 days15mm 26°
August 32°24°3 days28mm 27°
September 31°24°3 days19mm 27°
October 31°23°5 days36mm 27°
November 29°22°5 days44mm 27°
DecemberGood 28°21°6 days71mm 26°

Common questions

Does it rain a lot in Honolulu in July?

Over the past 20 years July averaged 3 rain days (1 mm or more) out of 31. Individual years ran from 0 in the driest to 10 in the wettest.

What should I wear in Honolulu in July?

Days averaged 31°C and nights 24°C. Pack T-shirts, sunscreen plus a hat, a swimsuit, and insect repellent.

Can you swim in Honolulu in July?

Sea surface temperature averaged 26.4°C in July, comfortable for swimming. Year to year it ranged 26.2-26.9°C. Check local flags for waves and jellyfish on the day.

Is July a good time to visit Honolulu?

On warmth and rain days alone, Honolulu's easiest months were December to February. July ranked 9 of 12.

Is Honolulu humid in July?

Mean relative humidity was 73%, with about 24 muggy days (dew point of 20°C or more) in the month.