May 5 is generally a great time to visit Busan. While there is a slight chance of rain (29%), showers are usually brief. Expect comfortable 20°C weather. You'll find plenty of company in Busan this month as tourism activity remains quite robust. Note: May 5 is Buddha's Birthday in Busan, so expect special events, closures, and festive atmosphere.
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Essential Travel Info for Busan
Currency
KRW
₩ South Korean won
Language
Korean
Driving
Right side
Safety
High Safety
GPI: 1.779
Busan Weather Forecast for May 5
"Mild & Comfortable. Expect average highs of 20.1°C. 29% chance of rain."
What to Wear in Busan in May
Based on historical data for May 5, Busan typically experiences temperatures between 12.3°C and 20.1°C. We recommend packing light jacket, long pants to stay comfortable. With a 29% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Busan
Smart Suitcase
- Light Jacket
- Long Pants
Average High
20.1°C
Daytime Peak
Average Low
12.3°C
Nighttime Low
Feels Like
20.1°C
☀️ Feels accurate
Rain Chance
29%
Avg 3.4mm if it rains
Cloud Cover
56%
Overcast
Pressure
1013.1 hPa
Medium volatility
Busan Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 95% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 14 min to burn
Type III-IV
🟡 21 min to burn
Type V-VI
🟢 35 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
15.5°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Holiday
Buddha's Birthday
Flight Traffic
Busy
76/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~127
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Busan
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:30
☀️ Noon
12:21
🌇 Sunset
19:13
⏱️ Daylight
13h 42m
Wind Speed
18.6 km/h
Gentle breeze
Sunshine
9.1 hrs
Direct Sun (Cloud-free)
Humidity
75%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Busan
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Busan
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
Typhoon Risk
Year-round risk present
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, Busan on May 5 averages 20.1°C with a 29% precipitation probability. Wedding/Outdoor Event Score: 94/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Busan Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 12
20.6°C • 21% rain
Score
97
May 9
20°C • 21% rain
Score
96
May 10
20.1°C • 21% rain
Score
96
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 5) in other destinations
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📍 Is Busan Worth Visiting on May 5?
Planning a trip to Busan on May 5? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 20.1°C with a 29% historical precipitation risk.
🎉 Local Event: The date coincides with Buddha's Birthday, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 127 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 10 vaccinations are recommended for South Korea, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 15.8°C (polar plunge). Wave conditions are generally fun waves with heights around 0.8m.
📊 Historical Extremes: The hottest May 5 recorded in the last 30 years saw temperatures hit 23.8°C in 2017, while the coldest dropped to 8.6°C in 2025.