Busan weather in May
Busan in May averages 18°C (65°F), 159 mm of rain and 7.2 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in Busan, May is the sixth warmest, the fourth wettest and the sunniest.
- Average temp
- 18°C (65°F)
15–22°C · 58–72°F
- Rainfall
- 159 mm
A wet month
- Sunshine
- 7.2 h
hours per day
What is Busan like in May?
Daytime
Days are mild.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Busan in May?
A proper waterproof, not a folding umbrella
159 mm in the month usually arrives as heavy bursts that an umbrella will not cover.
A dry bag for phone and documents
Worth it for one downpour caught between the taxi and the door.
A layer for the evening
Evenings cool off noticeably once the sun is down.
May compared with April and June
May in Busan is 4.4°C warmer than April and 25 mm wetter than it, which averages 14°C (57°F).
May in Busan is 3.1°C cooler than June and 38 mm drier than it, which averages 22°C (71°F).
Daylight in Busan in May
On 15 May the sun is up for 14 hours 1 minute in Busan, rising about 05:19 and setting about 19:20 local time.
May ends 44 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 30 minutes short of June, the longest-lit month here.
Where to stay in Busan
Dates are a starting point for May.
Travel guides for Busan
What to read before you book.
Busan weather by month
TemperatureRainfall
How May compares with the rest of the year
May is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 4°C / 39°F | 34 mm |
| February | 6°C / 43°F | 50 mm |
| March | 10°C / 49°F | 86 mm |
| April | 14°C / 57°F | 135 mm |
| May | 18°C / 65°F | 159 mm |
| June | 22°C / 71°F | 198 mm |
| July | 25°C / 76°F | 352 mm |
| August | 27°C / 80°F | 287 mm |
| September | 23°C / 74°F | 138 mm |
| October | 19°C / 65°F | 73 mm |
| November | 12°C / 54°F | 49 mm |
| December | 6°C / 43°F | 31 mm |
Similar weather in May
Other destinations whose May averages sit close to this one.
Check another month
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FAQs about Busan in May
May climate averages for Busan, 1991–2020.
Busan averages 18°C (65°F) in May, ranging from about 15°C (58°F) at night to 22°C (72°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Yes, a lot. May brings about 159 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
No. May averages 18°C (65°F) against 22°C (71°F) in June — 3.1°C cooler.
May is 4.4°C warmer than April, and 25 mm wetter.
It is outside the easiest window. The most comfortable stretch here is August to November; May sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 7.2 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what May is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 14 hours 1 minute of daylight in mid-May, against 14 hours 31 minutes in June and 9 hours 48 minutes in December.
On 15 May, sunrise is about 05:19 and sunset about 19:20 local time. Both shift across the month — the month ends 44 minutes longer than it starts.
