Weather in Seongnam-si, Gyeonggi-do, South Korea in May
In an average May, Seongnam-si sees a daily high around 21°C and a low around 10°C, based on 1981–2026 of local climate records.
| Average high | 21°C |
|---|---|
| Typical high range | 17°C to 24°C |
| Average low | 10°C |
| Typical low range | 8°C to 13°C |
| Average daily precipitation | 3 mm |
May records
The most extreme May on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
29°C
2019-05-24
Lowest
12°C
2021-05-01
Low
Highest
18°C
2026-05-26
Lowest
4°C
2003-05-01
Feels-like
Highest
33°C
1996-05-31
Lowest
-2°C
1981-05-03
Humidity
Highest
17.5 g/m³
2018-05-17
Lowest
5.6 g/m³
1981-05-03
Wind
Highest
62 km/h
2003-05-07
Lowest
6 km/h
2020-05-29
Precip
Wettest
262 mm
1997
Driest
19 mm
2001
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