Busan in May

7.2out of 10

Possible, with caveats

Mild: highs around 18°C. Some rain: about 8 rainy days.

18°CAvg high
16°CAvg low
8Rainy days (127 mm)
13:51 hDaylight
05:25Sunrise · 19:15 Sunset

Why this score

  • Mild: highs around 18°C
  • Some rain: about 8 rainy days

What to wear and pack

  • Layers you can add or remove
  • Comfortable walking shoes

How reliable is the forecast?

Rainfall in May is fairly consistent from year to year (2.2 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

8° 3° J 9° 4° F 12° 7° M 15° 12° A 18° 16° M 21° 19° J 25° 23° J 27° 25° A 24° 22° S 20° 17° O 15° 11° N 10° 5° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 8°C3°C37 mm 5– – 6.1
February 9°C4°C48 mm 5– – 6.3
March 12°C7°C89 mm 8– – 6.3
April 15°C12°C122 mm 8– – 6.7
May 18°C16°C127 mm 8– – 7.2
June 21°C19°C174 mm 9– – 7.3
July 25°C23°C223 mm 12– – 6.9
August 27°C25°C183 mm 11– – 7.1
September 24°C22°C157 mm 9– – 7.5
October 20°C17°C72 mm 5– – 8.2
November 15°C11°C50 mm 5– – 7.3
December 10°C5°C33 mm 4– – 6.6

Frequently asked questions

How hot is Busan in May?

Daytime highs average 18°C and nights about 16°C.

When is the best time to visit Busan?

The best months are October.