Asia & Middle East

South Korea: weather & best time to visit

9 destinations with long-term climate data. Best time to visit overall: April – June, September – October.

Weather by month

Daytime highs and sea temperatures range across the destinations; the score is their average. Best months are marked.

Month	Score	Air	Sea	Best weather
JanuaryJan	36	2–8°	10–15°	Busan
FebruaryFeb	38	4–9°	8–14°	Busan
MarchMar	51	9–13°	9–14°	Daegu
AprilApr	75	15–19°	12–15°	Daegu
MayMay	80	20–24°	14–17°	Daegu
JuneJun	73	23–28°	19–20°	Seoul
JulyJul	58	26–29°	22–24°	Busan
AugustAug	56	27–30°	25–27°	Sokcho
SeptemberSep	73	23–26°	22–25°	Seoul
OctoberOct	81	18–21°	19–22°	Busan
NovemberNov	58	11–16°	16–20°	Busan
DecemberDec	37	4–10°	13–17°	Busan

Destinations9

Busan
City breakBest time to visit:Apr – Jun, Sep – Oct
1. 42
2. 43
3. 55
4. 76
5. 86
6. 78
7. 67
8. 64
9. 76
10. 90
11. 74
12. 46
Daegu
City breakBest time to visit:Apr – May, Sep – Oct
1. 41
2. 42
3. 62
4. 87
5. 88
6. 72
7. 50
8. 47
9. 76
10. 90
11. 65
12. 40
Daejeon
City breakBest time to visit:Apr – Jun, Sep – Oct
1. 37
2. 40
3. 56
4. 87
5. 88
6. 76
7. 48
8. 49
9. 79
10. 89
11. 55
12. 36
Gwangju
City breakBest time to visit:Apr – Jun, Sep – Oct
1. 36
2. 38
3. 56
4. 85
5. 86
6. 75
7. 48
8. 47
9. 76
10. 90
11. 63
12. 37
Gyeongju
City breakBest time to visit:Apr – Jun, Oct
1. 41
2. 39
3. 58
4. 84
5. 88
6. 78
7. 61
8. 56
9. 71
10. 85
11. 65
12. 40
Jeju
City breakBest time to visit:Apr – Jun, Sep – Oct
1. 20
2. 28
3. 46
4. 70
5. 82
6. 68
7. 61
8. 52
9. 67
10. 82
11. 63
12. 32
Seoul
City breakBest time to visit:Apr – Jun, Sep – Oct
1. 38
2. 40
3. 44
4. 73
5. 86
6. 82
7. 58
8. 58
9. 81
10. 88
11. 45
12. 36
Sokcho
Sun, sea & sandBest time to visit:Jul – Aug
1. 27
2. 28
3. 25
4. 28
5. 32
6. 51
7. 64
8. 70
9. 58
10. 32
11. 23
12. 28
Ulsan
City breakBest time to visit:Apr – Jun, Sep – Oct
1. 40
2. 40
3. 56
4. 81
5. 85
6. 77
7. 65
8. 58
9. 72
10. 87
11. 71
12. 41

South Korea month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences