2026 Climate Averages

Weather: Busan — May

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

🌟 Climate Overview

May is an excellent time to visit Busan. Warm weather with highs of 23°C—great for outdoor activities. As peak season, expect higher prices and more tourists. At 17°C, the sea is too cold for most swimmers.

7.3
GoTripzi Score Great

Based on weather comfort, crowds, prices, and activity options

Avg High

23°C

Avg Low

14°C

Rainy days

9days

Daylight

14h

Rainfall

123mm

Sunshine

9.8h/day

Humidity

69%

Humid
Sun Strength

8.4

Very High
Wind

18 km/h (gusts 44)

Sea Temp

17°C ❄️ Cold

Is May a good time to visit Busan?

The weather is near-perfect with ideal temperatures and minimal rain.

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Very Busy
  • Travel Costs Shoulder Rates

Daylight

Sunrise

05:21

Sunset

19:21

14h daylight

Visiting Busan in May: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Abundant sunshine for beach and outdoor fun
  • Long daylight hours maximize sightseeing time
  • One of the best months to visit

Cons

  • Peak season — expect crowds and higher prices
  • Sea too cold for comfortable swimming
  • Very high UV — sunscreen and shade essential

Things to Do in May

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🥾 Hiking & nature trails
🍜 Food tours & culinary experiences
🎭 Cultural tours & local experiences

Busan Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 9°C 0°C 4d (41mm) 7.8h
54% Moderate
4.3 Moderate
Good
Feb 11°C 2°C 6d (54mm) 8.2h
53% Moderate
5.3 High
Good
Mar 16°C 6°C 8d (86mm) 8.7h
60% Moderate
6.7 High
Good
Apr 20°C 10°C 6d (88mm) 9.5h
62% Moderate
8 Very High
Excellent
May Current 23°C 14°C 9d (123mm) 9.8h
69% Humid
8.4 Very High
Excellent
Jun 27°C 20°C 10d (176mm) 9.3h
77% Humid
8 Very High
Good
Jul 30°C 24°C 15d (233mm) 8.8h
83% Very Muggy
7 High
Wet
Aug 31°C 25°C 15d (215mm) 9.4h
81% Very Muggy
7 High
Wet
Sep 28°C 22°C 13d (187mm) 8h
78% Humid
5.6 High
Excellent
Oct 23°C 15°C 7d (83mm) 8.2h
69% Humid
5.2 High
Excellent
Nov 17°C 8°C 4d (55mm) 8.2h
60% Moderate
4.4 Moderate
Good
Dec 10°C 1°C 3d (19mm) 8h
53% Moderate
4 Moderate
Good

⚖️Find Your Ideal Month

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5
3
3
Your Best MonthJulScore: 9
1.Jul
92.Aug
8.53.Jun
7.44.Dec
6.15.Nov
66.Jan
5.67.Feb
5.68.Mar
5.69.May
5.610.Oct
5.611.Sep
5.212.Apr
4.7

Where to Stay

See hotels, apartments & rentals around Busan – live prices from Booking.com, Expedia, Vrbo and more

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Busan

Coastal city, including beaches, Haeundae Beach and Gamcheon Culture Village, fish markets, temples, and mountain views.

View Full Destination Guide

What to Pack for May

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. Pack a compact umbrella or light rain jacket for occasional showers. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Moderate Very Busy

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Busan?

🔥 Peak season — book early for best rates

Frequently Asked Questions

Is May a good time to visit Busan?
May is typically excellent for visiting Busan, with average highs of 23°C and around 9 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Busan in May?
Evenings in Busan during May are mild at 14°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Busan in May?
With highs of 23°C and lows of 14°C in May, we recommend: Compact umbrella, Sunscreen SPF 30+, Sunglasses, Comfortable walking shoes. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Busan in May?
Busan typically sees around 9 rainy days in May. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in Busan in May?
May is suitable for swimming in Busan, though the water may feel refreshing at first. Air temperatures average 23°C, and most swimmers find it enjoyable once they're in. Midday is usually the warmest time for a dip.
How many hours of daylight are there in Busan in May?
In May, Busan gets approximately 14 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is May peak season in Busan?
Yes, May is peak season in Busan. Expect higher prices for accommodation and more crowds at popular attractions, but also the best weather conditions. Book hotels and major attractions in advance to secure availability and better rates.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Asia/Seoul)

Last Updated: February 2026

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