Weather in Busan in May
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youMay in Busan is pleasantly mild, with average highs of 21.0°C and lows of 13.7°C. It is fairly wet (8 rainy days on average), with roughly 9.3 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit Busan — every month compared. Once you know when to go, find your Busan packing list at 247PackingList.
Get ready for Busan in May
Search flights to Busan
Compare 100+ airlines for May — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Busan in May
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Busan
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 7.4°C | 55.2mm | 10/10 |
| February | 9.4°C | 49.6mm | 10/10 |
| March | 14.2°C | 96.7mm | 10/10 |
| April | 17.2°C | 100.0mm | 10/10 |
| May | 21.0°C | 135.1mm | 9/10 |
| June | 24.4°C | 234.5mm | 8/10 |
| July | 27.1°C | 335.7mm | 8/10 |
| August | 28.8°C | 258.5mm | 8/10 |
| September | 25.3°C | 226.2mm | 8/10 |
| October | 20.7°C | 20.2mm | 10/10 |
| November | 15.5°C | 45.1mm | 10/10 |
| December | 7.8°C | 30.3mm | 10/10 |
Full month-by-month guide: best time to visit Busan →
For facts about South Korea — currency, language and dialling code — see our South Korea country guide at 247CountryInfo. Travellers also find it useful to keep a Busan travel guide to hand. Check clothing sizes in South Korea before you shop.
Frequently Asked Questions
Is May a good time to visit Busan?
May rates 9/10 for visiting Busan — excellent time to visit. Expect average highs of 21.0°C, 135.1mm of rain across the month and about 9.3 hours of daily sunshine.
What is the temperature in Busan in May?
In May, Busan has average highs of 21.0°C (69.8°F) and average lows of 13.7°C (56.7°F).
Does it rain in Busan in May?
Some rain is likely. Busan averages 135.1mm across about 8 rainy days in May, so a light waterproof layer is worth packing.
What should I wear in Busan in May?
For Busan in May (21.0°C highs / 13.7°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, compact travel umbrella.
More essentials for Busan in May
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.