Seoul weather by month

Check out Seoul weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Seoul (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
1°C maximum daytime temperature in January in Seoul1
3°C maximum daytime temperature in February in Seoul3
10°C maximum daytime temperature in March in Seoul10
17°C maximum daytime temperature in April in Seoul17
23°C maximum daytime temperature in May in Seoul23
26°C maximum daytime temperature in June in Seoul26
28°C maximum daytime temperature in July in Seoul28
29°C maximum daytime temperature in August in Seoul29
25°C maximum daytime temperature in September in Seoul25
20°C maximum daytime temperature in October in Seoul20
11°C maximum daytime temperature in November in Seoul11
4°C maximum daytime temperature in December in Seoul4
Min temperature (night-time)
-8°C minimum night-time temperature in January in Seoul-8
-5°C minimum night-time temperature in February in Seoul-5
0°C minimum night-time temperature in March in Seoul0
6°C minimum night-time temperature in April in Seoul6
12°C minimum night-time temperature in May in Seoul12
17°C minimum night-time temperature in June in Seoul17
21°C minimum night-time temperature in July in Seoul21
22°C minimum night-time temperature in August in Seoul22
16°C minimum night-time temperature in September in Seoul16
9°C minimum night-time temperature in October in Seoul9
2°C minimum night-time temperature in November in Seoul2
-5°C minimum night-time temperature in December in Seoul-5
Heat & Humidity
No heat & humidity in January in Seoul0
No heat & humidity in February in Seoul0
No heat & humidity in March in Seoul0
No heat & humidity in April in Seoul0
No heat & humidity in May in Seoul0
Low heat & humidity in June in SeoulL
High heat & humidity in July in SeoulH
High heat & humidity in August in SeoulH
Low heat & humidity in September in SeoulL
No heat & humidity in October in Seoul0
No heat & humidity in November in Seoul0
No heat & humidity in December in Seoul0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Seoul

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Seoul10
11 hours of daylight per day in February in Seoul11
12 hours of daylight per day in March in Seoul12
13 hours of daylight per day in April in Seoul13
14 hours of daylight per day in May in Seoul14
15 hours of daylight per day in June in Seoul15
14 hours of daylight per day in July in Seoul14
14 hours of daylight per day in August in Seoul14
12 hours of daylight per day in September in Seoul12
11 hours of daylight per day in October in Seoul11
10 hours of daylight per day in November in Seoul10
10 hours of daylight per day in December in Seoul10
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Seoul2
UV (maximum) index 3 (Moderate) in February in Seoul3
UV (maximum) index 5 (Moderate) in March in Seoul5
UV (maximum) index 7 (High) in April in Seoul7
UV (maximum) index 8 (Very High) in May in Seoul8
UV (maximum) index 9 (Very High) in June in Seoul9
UV (maximum) index 10 (Very High) in July in Seoul10
UV (maximum) index 9 (Very High) in August in Seoul9
UV (maximum) index 7 (High) in September in Seoul7
UV (maximum) index 4 (Moderate) in October in Seoul4
UV (maximum) index 3 (Moderate) in November in Seoul3
UV (maximum) index 2 (Low) in December in Seoul2

Rainfall in Seoul

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
7 days with some rainfall in January in Seoul7
6 days with some rainfall in February in Seoul6
7 days with some rainfall in March in Seoul7
8 days with some rainfall in April in Seoul8
8 days with some rainfall in May in Seoul8
10 days with some rainfall in June in Seoul10
16 days with some rainfall in July in Seoul16
13 days with some rainfall in August in Seoul13
9 days with some rainfall in September in Seoul9
6 days with some rainfall in October in Seoul6
10 days with some rainfall in November in Seoul10
7 days with some rainfall in December in Seoul7
Average monthly rainfall (mm)
22 mm monthly rainfall in January in Seoul22
26 mm monthly rainfall in February in Seoul26
45 mm monthly rainfall in March in Seoul45
102 mm monthly rainfall in April in Seoul102
90 mm monthly rainfall in May in Seoul90
133 mm monthly rainfall in June in Seoul133
358 mm monthly rainfall in July in Seoul358
288 mm monthly rainfall in August in Seoul288
161 mm monthly rainfall in September in Seoul161
49 mm monthly rainfall in October in Seoul49
48 mm monthly rainfall in November in Seoul48
21 mm monthly rainfall in December in Seoul21

More about Seoul

Seoul by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for South Korea (Seoul) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Seoul?

Seoul has a cold climate with hot summers and dry winters.

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Seoul, South Korea typhoon season

% of month affected by tropical storms
0
0
0
0
0
0
2.6%
3.8%
2.1%
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Compare Seoul weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Seoul, South Korea and the UK (London).

Maximum daytime temperature (°C)

Seoul, South Korea
UK (London)
1
7
3
7
10
10
17
13
23
17
26
20
28
22
29
22
25
19
20
15
11
10
4
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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