Monthly climate guide

Honolulu in July

July in Honolulu is mid-summer, with a settled seasonal pattern already in place. The month is warm and inviting for long walks, with only small changes from morning to evening. There is plenty of daylight to stretch outdoor time. Most days feel close to what the averages suggest, with straightforward pacing.

Annual ranking snapshot

Ranked across 12 months

July in context

How it compares to the rest of the year in Honolulu.

Hottest (avg)
WARMER
#3 / 12

One of the warmer months.

Wettest (avg)
DRIER
#10 / 12

One of the drier months.

Daylight Hours
LONGER
#2 / 12

Long daylight hours.

Windiest (avg)
WIND
#1 / 12

The breeziest month of the year.

Highest UV
UV
#1 / 12

Peak UV levels for the year.

Most Humid
HUMID
#4 / 12

Humidity stays close to the yearly norm.

Climate normals

Four planning pillars

Monthly climate breakdown

A detailed look at the typical climate conditions for July.

Thermal profile

Temperature

Typical daytime high

Nighttime low
Feels like (avg)

Light window

Sunshine

13.3 h

Average daylight

UV index (max)
9
Typical sun hours
05:58 - 19:15

Wet-day pattern

Rain & Snow

Typical rainfall

Rainy days
14 days
Cloud cover (avg)
46%

Air feel

Humidity & Wind

73%

Average humidity

Wind (avg)
Wind (max gusts)

Historical daily baseline

Daily climate explorer

Pick a day to inspect the usual conditions through July in Honolulu. Based on a 30-year historical climate baseline, not a forecast.

Primary control

Select a day

Scroll to compare daily conditions. The summary updates with your selection.

Secondary context

Monthly trend

Day 15 selected

Median daytime highs across the month, with a softer low line.

Daily climate explorer for JulyMonthly trend chart for the selected climate metric, with the chosen day marked.2025303511631°C
Median temperatureMedian lowTypical range

Day 15 selected for July. Temperature 27.6°C.

Historical disruption baseline

Typical disruptions in July

Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in July.

Humidity High impact

Muggy days Measures: Muggy days (dew point >=20C). Observed about 60% of days (18.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

18.5 days / month

Share of days
~60% of days
Upper edge
Up to ~23°C (P95)
Why this matters

Muggy conditions are possible on ~18 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Wind High impact

Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 10% of days (3.0 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

3.0 days / month

Share of days
~10% of days
Upper edge
Up to ~68km/h (P95)
Why this matters

Strong gusts are possible on ~3 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Heat Moderate

Hot feels-like days Measures: Hot feels-like days (>=32C). Observed about 12% of days (3.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

3.7 days / month

Share of days
~12% of days
Upper edge
Up to ~35°C (P95)
Why this matters

Feels-like heat >=32C is possible on ~4 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Heat Minor

Hot days Measures: Hot days (>=30C). Observed about 2% of days (0.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.5 days / month

Share of days
~2% of days
Upper edge
Up to ~31°C (P95)
Why this matters

Hot days are possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Heat Minor

Feels-like heatwave Measures: Feels-like heatwave runs (>=3 days). Observed about 0.5 days/month in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.5 days / month

Share of days
Upper edge
Up to ~36°C (P95)
Why this matters

Feels-like heatwave runs are possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Show all disruptions (18 more)
Rain High impact

Rain disruption Measures: Likely rain disruption days. Observed about 1% of days (0.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.3 days / month

Share of days
~1% of days
Upper edge
Up to ~34mm (P95)
Why this matters

Rain disruption risk appears on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

Washout risk Measures: Washout day risk. Observed about 1% of days (0.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.3 days / month

Share of days
~1% of days
Upper edge
Up to ~34mm (P95)
Why this matters

Washout conditions are possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Heat Minor

Warm nights Measures: Warm nights (min >=22C). Observed about 99% of days (30.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

30.8 days / month

Share of days
~99% of days
Upper edge
Up to ~25°C (P95)
Why this matters

Warm nights are possible on ~31 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Humidity Minor

Humid days Measures: Humid days (dew point >=18C). Observed about 99% of days (30.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

30.7 days / month

Share of days
~99% of days
Upper edge
Up to ~22°C (P95)
Why this matters

Humid conditions are possible on ~31 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.

Wind Minor

Gusty days Measures: Gusty days (>=40 km/h). Observed about 89% of days (27.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

27.7 days / month

Share of days
~89% of days
Upper edge
Up to ~62km/h (P95)
Why this matters

Gusty conditions are possible on ~28 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Rain Minor

Wet days Measures: Wet days (>=0.1mm). Observed about 64% of days (19.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

19.8 days / month

Share of days
~64% of days
Upper edge
Up to ~2.9mm (P95)
Why this matters

Measurable rain is possible on ~20 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Rain Minor

Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 47% of days (14.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

14.5 days / month

Share of days
~47% of days
Upper edge
Up to ~12h (P95)
Why this matters

Several rainy hours are possible on ~15 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain Minor

Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 26% of days (8.1 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

8.1 days / month

Share of days
~26% of days
Upper edge
Up to ~13h (P95)
Why this matters

Wet-most-of-day conditions are possible on ~8 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Cloud Minor

Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 23% of days (7.1 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

7.1 days / month

Share of days
~23% of days
Upper edge
Up to ~97% (P95)
Why this matters

Cloudy skies are possible on ~7 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Wind Minor

Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 9% of days (2.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.7 days / month

Share of days
~9% of days
Upper edge
Up to ~29km/h (P95)
Why this matters

Breezy conditions are possible on ~3 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Cloud Minor

Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 8% of days (2.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.5 days / month

Share of days
~8% of days
Upper edge
Up to ~98% (P95)
Why this matters

Mostly cloudy skies are possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Humidity Minor

High humidity Measures: High humidity days (RH >=80%). Observed about 6% of days (2.0 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.0 days / month

Share of days
~6% of days
Upper edge
Up to ~85% (P95)
Why this matters

High humidity is possible on ~2 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.

Heat Minor

Hot nights Measures: Hot nights (min >=25C). Observed about 6% of days (1.9 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

1.9 days / month

Share of days
~6% of days
Upper edge
Up to ~26°C (P95)
Why this matters

Hot nights are possible on ~2 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Cloud Minor

Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 2% of days (0.6 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.6 days / month

Share of days
~2% of days
Upper edge
Up to ~99% (P95)
Why this matters

Overcast skies are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Heat Minor

Very hot feels-like Measures: Very hot feels-like days (>=35C). Observed about 1% of days (0.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.4 days / month

Share of days
~1% of days
Upper edge
Up to ~37°C (P95)
Why this matters

Very hot feels-like conditions are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Heat Minor

Heat stress risk Measures: High heat stress days. Observed about 1% of days (0.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.4 days / month

Share of days
~1% of days
Upper edge
Up to ~37°C (P95)
Why this matters

Heat stress is possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Humidity Minor

Convective risk Measures: Convective storm risk proxy. Observed about 1% of days (0.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.3 days / month

Share of days
~1% of days
Upper edge
Up to ~24°C (P95)
Why this matters

Convective risk signal appears on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Heat Minor

Heatwave run Measures: Heatwave runs (>=3 hot days). Observed about 0.1 days/month in July. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.1 days / month

Share of days
Upper edge
Up to ~30°C (P95)
Why this matters

Heatwave runs are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Travel planning FAQ

Frequently asked questions

Quick answers to the weather questions you ask the most.

Is July a good time to visit Honolulu?

Typical July days in Honolulu reach highs of 28°C (82°F) with nights around 24°C (75°F). It usually feels hot by day and warm after dark. It is one of the drier months, which suits outdoor exploring and sightseeing.

What are temperatures like in July?

Daytime temperatures in July typically peak near 28°C (82°F), while nights drop to around 24°C (75°F). Expect hot afternoons and warm evenings.

How much does it rain in July?

Rainfall in July averages 21 mm (0.83 in) across roughly 14 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.

How many hours of daylight are there in July?

You can expect about 13 hours of daylight in July. Sunrise is typically around 05:58 and sunset near 19:15. You get long days with comfortable amounts of daylight.

How strong is the sun in July?

UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.

Is it windy in July?

In July, average wind speeds are around 20 km/h (12 mph), with gusts on the windiest days reaching about 60 km/h (37 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.

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