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Gangnam Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-10

Gangnam year round climate

  • Spring (March–May): Average 6–18°C, mild and pleasant climate, ample sunshine, low rainfall. Cherry blossoms may bloom in April. Common activities: cherry blossom viewing, outdoor walks, relaxing at cafes. Recommended attire: light jacket, long-sleeved shirt, sweater, light clothing.
  • Summer (June–August): Average 24–28°C, warm and hot climate, strong sunshine, relatively low rainfall (though July is the rainiest month). Common activities: visiting indoor attractions, museums, shopping at department stores, evening strolls. Recommended attire: T-shirt, shorts, light skirts, sun protection.
  • Autumn (September–November): Average 9–24°C, cool and comfortable climate, clear weather, low rainfall, best season for enjoying autumn foliage. Common activities: hiking, autumn foliage viewing, cultural experience activities. Recommended attire: light sweater, jacket, long-sleeved shirt, scarf.
  • Winter (December–February): Average -1–3°C, cold and dry climate, occasional snowfall, clear weather. Common activities: indoor sightseeing, ice skating, hot springs, experiencing winter festivals. Recommended attire: thick jacket, wool hat, gloves, scarf, warm clothing.

Gangnam climatological average

Annual average temperature: approx. 14.0°C / Annual rainfall: approx. 54 mm / Summer humidity: 70-80% / Rainiest month: July

Gangnam monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-1.4°C
0.6
February
2.9°C
2.3
March
5.9°C
1.7
April
15.3°C
1.5
May
17.7°C
4.6
June
23.8°C
4
July
25.4°C
20.2
August
28°C
7
September
24.4°C
8
October
16.4°C
2.6
November
9.2°C
1.6
December
0.3°C
0.1

Gangnam weather for the next seven days

12/21
Sunday
Sunny
0.9°C/-1.7°C
12/22
Monday
Sunny
2.7°C/-1.9°C
12/23
Tuesday
Moderate rain
4.3°C/-0.1°C
12/24
Wednesday
Patchy rain nearby
4.9°C/-0.5°C
12/25
Thursday
Sunny
-1.7°C/-5.9°C
12/26
Friday
Sunny
-3.1°C/-6.4°C
12/27
Saturday
Sunny
-2.2°C/-7.1°C