30YearWeather
Busan, May 25
Busan street view during May
Historical Weather Analysis

Busan Weather on May 25 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

22.9°C

High

14.9°C

Low

16%

Rain

☀️ Feels like 23.4°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

May 25 is generally a great time to visit Busan. While there is a slight chance of rain (16%), showers are usually brief. Expect comfortable 23°C weather. Busan is seeing high visitor numbers, so iconic spots may be busier than usual.

Currency

KRW

South Korean won

Language

Korean

Driving

Right side

Safety

High Safety

GPI: 1.779

Busan Weather Forecast for May 25

"Mild & Comfortable. Expect average highs of 22.9°C. 16% chance of rain."

What to Wear in Busan in May

Based on historical data for May 25, Busan typically experiences temperatures between 14.9°C and 22.9°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (16% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Busan

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

22.9°C

Daytime Peak

Average Low

extreme-cold

14.9°C

Nighttime Low

Feels Like

partly-cloudy-day

23.4°C

☀️ Feels accurate

Rain Chance

rain

16%

Avg 1.4mm if it rains

Cloud Cover

cloudy

59%

Overcast

Pressure

pressure

1011 hPa

Medium volatility

Busan Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

93%Highly Predictable

Based on 10 years of data

Temperature
±3.2°CModerate
Precipitation
8-24%Predictable

🎯 This date historically delivers consistent weather 93% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

5.4Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 19:00

Time to Sunburn

Type I-II

🔴 15 min to burn

Type III-IV

🟡 23 min to burn

Type V-VI

🟢 38 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

82Excellent
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

18°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
18°C
🥃 Refreshing Tonic
Avg daily surface temperature
Surf Conditions
0.54m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

⚠️ Mixed Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in South Korea

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

05:15

☀️ Noon

12:22

🌇 Sunset

19:28

⏱️ Daylight

14h 13m

Golden Hour
Morning05:15 - 05:51
18:52 - 19:28Evening

Wind Speed

wind

16.4 km/h

Gentle breeze

Sunshine

clear-day

10.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

74%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Busan

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Busan

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

87/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

85/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1011 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
58AQI
Moderate
PM2.5 Concentration15.1 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):7
In May (30y):0
💡 Very rare tremors. Standard travel precautions apply.
Very High

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 25 averages 22.9°C with a 16% precipitation probability. Wedding/Outdoor Event Score: 99/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Busan Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2019
29.8°C
Coldest
2025
12.4°C
Rainiest
2025
0.6mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (May 25) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Busan Worth Visiting on May 25?

Planning a trip to Busan on May 25? 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 22.9°C with a 16% historical precipitation risk.

✈️ 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 18°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.54m.

📊 Historical Extremes: The hottest May 25 recorded in the last 30 years saw temperatures hit 29.8°C in 2019, while the coldest dropped to 12.4°C in 2025.

Busan Weather FAQ