May 1 is statistically one of the best days of the year in Kahului. With minimal rain risk (5%) and pleasant highs of 27°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Kahului right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Kahului
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Safety
Moderate Safety
GPI: 2.44
Kahului Weather Forecast for May 1
"Warm & Sunny. Expect average highs of 27.4°C. 5% chance of rain."
What to Wear in Kahului in May
Based on historical data for May 1, Kahului typically experiences temperatures between 21.4°C and 27.4°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (5% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Kahului
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
27.4°C
Daytime Peak
Average Low
21.4°C
Nighttime Low
Feels Like
29.4°C
🔥 Minor difference
Rain Chance
5%
Avg 0.2mm if it rains
Cloud Cover
45%
Overcast
Pressure
1017 hPa
Low volatility
Kahului Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 11 min to burn
Type III-IV
🟡 17 min to burn
Type V-VI
🟢 28 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
21.2°C
Humid/Sticky
Heat Index
29.4°C
Feels hotter
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
High
100/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~118
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Kahului
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:56
☀️ Noon
12:24
🌇 Sunset
18:51
⏱️ Daylight
12h 54m
Wind Speed
22.6 km/h
Moderate wind
Sunshine
11.5 hrs
Direct Sun (Cloud-free)
Humidity
69%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Kahului
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Kahului
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
Eastern Pacific Hurricane Risk
Season: May - Nov
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Kahului on May 1 averages 27.4°C with a 5% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Kahului Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (May 1) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Kahului Worth Visiting on May 1?
Planning a trip to Kahului on May 1? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 27.4°C with a 5% historical precipitation risk.
✈️ Travel Logistics: Approximately 118 landing slots available daily during this period, indicating manageable crowd levels.
📊 Historical Extremes: The hottest May 1 recorded in the last 30 years saw temperatures hit 28.9°C in 2025, while the coldest dropped to 18.5°C in 2018.