One of the warmer months.
July in context
How it compares to the rest of the year in Honolulu.
One of the drier months.
Long daylight hours.
The breeziest month of the year.
Peak UV levels for the year.
Humidity stays close to the yearly norm.
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
Median daytime highs across the month, with a softer low line.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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.