Incheon in May

7.8out of 10

Yes, a good time to go

Mild: highs around 21°C. Some rain: about 8 rainy days.

21°CAvg high
13°CAvg low
8Rainy days (92 mm)
14:01 hDaylight
05:29Sunrise · 19:30 Sunset

Why this score

  • Mild: highs around 21°C
  • Some rain: about 8 rainy days

What to wear and pack

  • Layers you can add or remove
  • A light jacket for cooler evenings
  • Comfortable walking shoes

How reliable is the forecast?

Rainfall in May is fairly consistent from year to year (2.6 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

2° -6° J 4° -4° F 10° 1° M 16° 7° A 21° 13° M 25° 18° J 27° 22° J 29° 23° A 25° 18° S 20° 11° O 12° 3° N 4° -4° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 2°C-6°C18 mm 4– – 4.8
February 4°C-4°C24 mm 4– – 5.3
March 10°C1°C35 mm 5– – 6.3
April 16°C7°C66 mm 7– – 7.2
May 21°C13°C92 mm 8– – 7.8
June 25°C18°C130 mm 8– – 7.8
July 27°C22°C296 mm 15– – 6.1
August 29°C23°C240 mm 14– – 6.5
September 25°C18°C120 mm 8– – 7.9
October 20°C11°C53 mm 5– – 8.0
November 12°C3°C47 mm 7– – 6.5
December 4°C-4°C23 mm 5– – 5.2

Frequently asked questions

How hot is Incheon in May?

Daytime highs average 21°C and nights about 13°C.

When is the best time to visit Incheon?

The best months are October, September, May, June.