Weather in Honolulu 🇺🇸
Monthly weather averages & travel planning
June
Avg Temp
27°C
Rain Days
8 days
Sun Hours
13 hrs
Humidity
78%
North America › 🇺🇸 United States › Honolulu
Updated: March 2026
Is June a Good Time to Visit Honolulu?
7/10
Good
June is a good time to visit Honolulu (7/10). With 13 daily sunshine hours and only 8 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 2nd sunniest of the year in Honolulu. Culture-focused travellers and those who prefer lighter crowds will find June a practical choice, with prices running lower than peak May without sacrificing all the good weather. July offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Honolulu's popular sites are busiest between 10am and 3pm regardless of season. Arriving at opening time or after 4pm makes a significant difference to the experience. Planning tips: accommodation is generally available without long lead times, and flight prices are typically lower than peak season. Flexible travellers will find the best deals by booking 2-4 weeks ahead. Mid-week arrivals consistently unlock lower hotel rates than weekend check-ins.
vs May:26°C avg high
Honolulu's June climate peaks at 27°C each afternoon before cooling to 24°C overnight. 13 daily sunshine hours and just 8 wet days mean the odds of a fine day are solidly in your favour. It is a reasonable time to visit, with a backup plan for the occasional shower.
27°C
81°F
Avg High
24°C
75°F
Avg Low
8 days
21 mm total
Rain Days
13h
per day avg
Sunshine
78%
Humid
Humidity
Temperature in Honolulu in June
The narrow 3°C gap between daytime and overnight temperatures, characteristic of coastal cities with maritime moderation, means a single mid-layer works across the whole day. At 78% humidity, the 27°C daytime high feels 2-4°C warmer in practice: quick-dry fabrics and shade-seeking between noon and 3pm are the sensible response. UV index averages 9 this month, classed as high to very high. SPF 30+ sunscreen, a brim hat, and sunglasses are not optional between 10am and 4pm. Wind averages 24 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 81°F average high, 75°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Temperature Trends
High
Low
Rainfall (mm)
0-20 mm21-50 mm51-100 mm100+ mm
What to Wear in Honolulu in June
Morning24°CBefore the day warms up
Afternoon27°CPeak daytime temperature
Evening27°CAfter sunset cools down
Packing for Honolulu in June means dressing for 27°C days and 24°C evenings. A light cotton tee with a casual overshirt works well at 27°C, the overshirt doubles as a layer for air-conditioned venues. Evening temperatures settle at 24°C, a modest 3°C drop that a light cardigan or denim jacket covers. Comfortable walking trainers are the versatile choice for both outdoor sightseeing and indoor venues. At 78% average humidity, quick-dry synthetic or bamboo fabrics dry overnight and stay comfortable longer than cotton.
Local tip: Layers are more practical than a single heavy garment in Honolulu. The day-to-evening temperature shift rewards packing a versatile mid-layer you can add or remove as conditions change.
Events in Honolulu in June
June has no major festivals or public holidays in Honolulu, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.
What to Pack for Honolulu in June
Based on 27°C average highs and 8 rainy days
- Light layers for morning and evening
- Breathable T-shirts and comfortable trousers
- UV-protective sunglasses
- Quick-dry travel towel
- Anti-chafe balm for long walking days
- Moisture-wicking synthetic fabrics for active days
- SPF 30+ sunscreen
- Comfortable walking shoes (a second pair lets the first air out overnight)
- Universal travel adapter
- Small day pack for city exploration
- Reusable water bottle
Best Activities in Honolulu in June
- Explore outdoor markets and street food stallsMid-morning (10am-12pm)At 27°C, the temperature is ideal for extended walking without overheating
- Guided walking tour of the historic centreMorning or late afternoonComfortable temperatures allow several hours on foot without fatigue
- Visit rooftop viewpoints and observation decksGolden hour (1 hour before sunset)Warm clear evenings provide exceptional visibility for panoramic photography
- Day trip to the surrounding countryside or coastFull day (depart by 8am)June is reliably dry enough for rural day trips without weather risk
- Afternoon in a world-class museum or galleryAfternoon (2-5pm)Pairs well with outdoor morning activities and provides a mid-day rest from sightseeing
- Coffee-house or traditional cafe culture experienceMid-morning or post-lunchA cultural ritual in this region that rewards slow appreciation regardless of weather
- Evening live music, theatre, or opera performanceEvening shows typically at 7-9pmConsistent evening temperatures make getting to and from evening venues comfortable
- Visit the main botanical garden or city park at seasonal peakYear-round; best light in morningJune brings distinct seasonal changes to public green spaces worth exploring
- Seek out chilled local specialities: cold-brew tea, ice desserts, or chilled seafood at street-level stallsAny time; most atmospheric in evening marketsHot-weather street food culture peaks in June, with vendors setting up specifically for warm evenings
Why is Honolulu warm in June?
Honolulu's June climate is governed by the Inter-Tropical Convergence Zone (ITCZ), which draws moisture-laden trade winds across the region, producing the characteristic wet season rainfall of warm tropical cities. Daytime heat peaks around 27°C, moderated slightly by afternoon convective showers. Overnight temperatures remain warm at 24°C because the humid air retains heat effectively. Climate data: Open-Meteo ERA5 (1991–2020).
Sunshine Hours
The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.
UV Index
A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate, wear sunscreen. UV 6-7: High, hat and SPF 30+ essential. UV 8-10: Very High, limit midday exposure. UV 11+: Extreme, seek shade between 10am-4pm.
Rain Days
A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.
Humidity
Relative humidity as a percentage. Below 40%: Dry, skin and throat may feel parched. 40-60%: Comfortable, ideal for most people. 60-80%: Sticky, light breathable fabrics recommended. Above 80%: Muggy, heat feels more intense; quick-dry clothing is essential.
Frequently Asked Questions
Honolulu in June
In June, Honolulu experiences average highs of 27°C (81°F) and lows of 24°C (75°F). Expect around 8 rainy days and 13 hours of sunshine per day, with humidity averaging 78%. The 3°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 9, so sun protection is advisable on clear days.
Honolulu typically sees 8 rainy days in June, with total precipitation of around 21mm. Rain is moderate and manageable. Showers tend to pass quickly, and a light rain layer or foldable umbrella is sufficient protection for most days. For context, the driest month in Honolulu typically sees 4-6 fewer rain days than June.
Pack light layers, a light jacket for evenings, comfortable walking shoes, and sunscreen for Honolulu in June. Daytime temperatures of 27°C are pleasant, but the evening drop to 24°C means a jacket is essential if you plan to be out after dark. Rain is infrequent with only 8 wet days, so a light rain layer is optional. Comfortable walking shoes are a priority given the amount of ground most visitors cover.
Yes, June is an excellent time to visit Honolulu. With 13 daily sunshine hours and only 8 rainy days, conditions are ideal for sightseeing and outdoor activities. Temperatures averaging 27°C during the day are comfortable for long walks and outdoor dining. This is peak travel season, so booking accommodation in advance and arriving at popular attractions early in the morning helps avoid the busiest periods.
The average high temperature in Honolulu in June is 27°C (81°F), and the average low is 24°C (75°F). The mean daily temperature is approximately 26°C (78°F). The day-to-night range of 3°C is narrow, typical of coastal or maritime cities. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.
The best month to visit Honolulu is generally May. May offers the most sunshine at 13 hours per day and only 8 rainy days. Average temperatures reach 26°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around May gives you the best chance of dry, bright weather.
June is shoulder or low season in Honolulu, meaning fewer tourists and generally lower prices than peak months. With 13 sunshine hours and 8 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.
In June, Honolulu suits a range of activities thanks to mild temperatures around 27°C. Mix of indoor and outdoor activities works well given the moderate chance of rain. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 13 hours of sunshine, parks and waterfront walks are particularly enjoyable.
June ranks 2nd sunniest of the year in Honolulu, with an average 13 daily sunshine hours. The driest months are January, February, and August. July is the hottest month (28°C avg high); February is the coolest (24°C). From here, temperatures rise 1°C into July. Compared to last month (May: 26°C high, 8 rain days), June is warmer and equally dry. June is among the top three sunniest months to visit Honolulu.
Year-Round Climate
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 25°C | 21°C | 7 | 10h | View |
| February | 24°C | 21°C | 7 | 10h | View |
| March | 25°C | 21°C | 9 | 11h | View |
| April | 25°C | 22°C | 9 | 12h | View |
| May | 26°C | 23°C | 8 | 13h | View |
| June | 27°C | 24°C | 8 | 13h | View |
| July | 28°C | 24°C | 8 | 13h | View |
| August | 28°C | 24°C | 7 | 12h | View |
| September | 28°C | 24°C | 8 | 12h | View |
| October | 28°C | 24°C | 7 | 11h | View |
| November | 26°C | 23°C | 7 | 10h | View |
| December | 25°C | 22°C | 7 | 10h | View |
January
7 rain days, 10h sun
25°21°
February
7 rain days, 10h sun
24°21°
March
9 rain days, 11h sun
25°21°
April
9 rain days, 12h sun
25°22°
May
8 rain days, 13h sun
26°23°
June
8 rain days, 13h sun
27°24°
July
8 rain days, 13h sun
28°24°
August
7 rain days, 12h sun
28°24°
September
8 rain days, 12h sun
28°24°
October
7 rain days, 11h sun
28°24°
November
7 rain days, 10h sun
26°23°
December
7 rain days, 10h sun
25°22°
Other Months in Honolulu
Plan Your Trip to Honolulu
Data Sources for Honolulu
Climate normals represent 30-year averages (1991-2020). Individual years may vary.