Weather in Seongnam-si in May
Seongnam-si, South Korea averages a high of 22.1°C (71.8°F) and low of 11.4°C (52.5°F) in May, with 8 rain days and 9.7 hours of daily sunshine. Travel score: 81.1/100 (Excellent). The best time to visit Seongnam-si is June.
High
22°C72°F
Low
11°C53°F
🌧️
8
rain days
☀️
9.7
hrs/day sunshine
💧
71%
humidity
81— Excellent
May in Seongnam-si is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Seongnam-si?
How much does it rain in Seongnam-si in May?
Seongnam-si receives an average of 99.5mm of rainfall across 8 rainy days in May. The annual total is 1272.8mm.
What should I pack for Seongnam-si in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 22°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (8 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to South Korea in May?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31