When to go · Incheon
Incheon, month by month
The best months for Incheon: Apr, May, Jun, Sep, Oct, Nov. Months to avoid: Jan, Feb, Jul, Aug.
Month by month
- JanuaryAvoidListed as a month to avoid: Jul–Aug (hot, humid) and Jan–Feb (cold, dry winds off the coast).1 °C (34 °F) / -6 °C (21 °F), 6 rain days34 °F (1 °C) / 21 °F (-6 °C), 6 rain daysCrowds: Low · 1 festival or holiday
- FebruaryAvoidListed as a month to avoid: Jul–Aug (hot, humid) and Jan–Feb (cold, dry winds off the coast).4 °C (39 °F) / -4 °C (25 °F), 5 rain days39 °F (4 °C) / 25 °F (-4 °C), 5 rain daysCrowds: Medium · 1 festival or holiday
- MarchMixedOutside the best window (Apr–Jun and Sep–Nov). Across South Korea: Cold start, fine dust peaks; cherry blossom reaches Jeju and Busan late in the month.10 °C (50 °F) / 1 °C (34 °F), 6 rain days50 °F (10 °C) / 34 °F (1 °C), 6 rain daysCrowds: Medium
- AprilGreatInside Incheon's best window: Apr–Jun and Sep–Nov.17 °C (63 °F) / 8 °C (46 °F), 7 rain days63 °F (17 °C) / 46 °F (8 °C), 7 rain daysCrowds: High
- MayGreatInside Incheon's best window: Apr–Jun and Sep–Nov.23 °C (73 °F) / 14 °C (57 °F), 8 rain days73 °F (23 °C) / 57 °F (14 °C), 8 rain daysCrowds: High
- JuneGreatInside Incheon's best window: Apr–Jun and Sep–Nov.27 °C (81 °F) / 19 °C (66 °F), 9 rain days81 °F (27 °C) / 66 °F (19 °C), 9 rain daysCrowds: Medium
- JulyAvoidListed as a month to avoid: Jul–Aug (hot, humid) and Jan–Feb (cold, dry winds off the coast).29 °C (84 °F) / 23 °C (73 °F), 14 rain days84 °F (29 °C) / 73 °F (23 °C), 14 rain daysCrowds: High
- AugustAvoidListed as a month to avoid: Jul–Aug (hot, humid) and Jan–Feb (cold, dry winds off the coast).30 °C (86 °F) / 24 °C (75 °F), 12 rain days86 °F (30 °C) / 75 °F (24 °C), 12 rain daysCrowds: High
- SeptemberGreatInside Incheon's best window: Apr–Jun and Sep–Nov.26 °C (79 °F) / 18 °C (64 °F), 8 rain days79 °F (26 °C) / 64 °F (18 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Incheon's best window: Apr–Jun and Sep–Nov.20 °C (68 °F) / 11 °C (52 °F), 6 rain days68 °F (20 °C) / 52 °F (11 °C), 6 rain daysCrowds: High · 1 festival or holiday
- NovemberGreatInside Incheon's best window: Apr–Jun and Sep–Nov.11 °C (52 °F) / 3 °C (37 °F), 8 rain days52 °F (11 °C) / 37 °F (3 °C), 8 rain daysCrowds: Medium
- DecemberGoodOutside the best window (Apr–Jun and Sep–Nov). Across South Korea: Cold and dry; Christmas markets and lights in Seoul; ski season opens.3 °C (37 °F) / -3 °C (27 °F), 6 rain days37 °F (3 °C) / 27 °F (-3 °C), 6 rain daysCrowds: Medium
Compare two months
Weather, crowds and prices for any two months in Incheon, side by side.
Verdict
Apr: Great
May: Great
Daytime high
Apr: 17 °C (63 °F)63 °F (17 °C)
May: 23 °C (73 °F)73 °F (23 °C)
Night low
Apr: 8 °C (46 °F)46 °F (8 °C)
May: 14 °C (57 °F)57 °F (14 °C)
Rain days
Apr: 7 (better)
May: 8
Crowds
Apr: High
May: High
Prices
Apr: High
May: High
Festivals listed
Apr: 0
May: 0
April: Inside Incheon's best window: Apr–Jun and Sep–Nov.
May: Inside Incheon's best window: Apr–Jun and Sep–Nov.
Incheon: figures are long-term averages from this guide, not a forecast.