South Korea (Seoul) · April
Low seasonSouth Korea · Asia
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 3° (37°)-5– (23–)9 (48) | 6° (43°)-4– (25–)13 (55) | 12° (54°)2– (36–)20 (68) | 18° (64°)10– (50–)27 (81) | 24° (75°)15– (59–)30 (86) | 28° (82°)21– (70–)33 (91) | 30° (86°)24– (75–)33 (91) | 31° (88°)24– (75–)35 (95) | 27° (81°)20– (68–)31 (88) | 21° (70°)12– (54–)27 (81) | 13° (55°)2– (36–)20 (68) | 4° (39°)-6– (21–)12 (54) |
Ø night, range from coldest to warmest nightØ nightrange | -7° (19°)-14– (7–)1 (34) | -4° (25°)-12– (10–)3 (37) | 1° (34°)-6– (21–)7 (45) | 8° (46°)1– (34–)13 (55) | 13° (55°)7– (45–)18 (64) | 19° (66°)13– (55–)23 (73) | 23° (73°)18– (64–)26 (79) | 24° (75°)17– (63–)27 (81) | 18° (64°)12– (54–)22 (72) | 10° (50°)1– (34–)17 (63) | 3° (37°)-6– (21–)11 (52) | -5° (23°)-13– (9–)4 (39) |
☀️Sunshine | 7h UV 5 | 8h UV 6 | 9h UV 7 | 8h UV 7 | 9h UV 8 | 8h UV 8 | 6h UV 6 | 6h UV 6 | 7h UV 6 | 7h UV 6 | 6h UV 5 | 6h UV 4 |
🌧Rain Days | 3d42mm (1.6") | 3d36mm (1.4") | 4d65mm (2.6") | 6d87mm (3.4") | 6d122mm (4.8") | 7d154mm (6.0") | 12d475mm (18.7") | 12d365mm (14.4") | 7d178mm (7.0") | 5d83mm (3.3") | 6d75mm (3.0") | 3d31mm (1.2") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Off-season — lowest travel prices with still acceptable climate.
April in South Korea (Seoul) at 18°C (64°F) is too cool for a beach holiday, but suitable for sightseeing and hiking. The best travel months are June, July, August, and September.
Daytime highs average 18°C (64°F), cooling to 8°C (46°F) at night (daily average: 13°C (55°F)). Peaks reach around 27°C (81°F), the coldest nights around 1°C (34°F). The sun shines an average of 8 hours per day; there are 6 rain days with 87 mm (3.4 in) total.
A jacket for cool evenings should not be left behind. Sightseeing and excursions can be enjoyed comfortably at this time of year.
Spring arrives quickly: March thaws, in April cherry blossom turns the streets and parks pink, and in May it is mild and green. The weather is pleasant, the days are often sunny and the city is full of strollers. Occasionally fine dust from the west clouds the air.
Events & Festivals
- Yeouido Spring Flower Festivalvariable (early to mid April, depending on the bloom)
During cherry blossom season the 1.7 km (1 mi) Yunjung-ro around the National Assembly is closed to traffic. Under some 1,800 cherry trees there are street performances, concerts and food stalls.
Packing list for South Korea (Seoul) in April
- Long-sleeved shirts and light trousers
- Light jacket
- Jumper or fleece
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Small umbrella (occasional showers possible)
- Travel first-aid kit
Frequently Asked Questions
- Is April a good time to visit South Korea (Seoul)?
- April is not an optimal month for South Korea (Seoul) (Score: 67/100), but it is manageable. For better conditions, consider June, July, August, and September.
- How warm is it in South Korea (Seoul) in April?
- In April, South Korea (Seoul) sees daily highs of 18°C (64°F). Nights cool to 8°C (46°F), with a daily average of 13°C (55°F). Peaks reach around 27°C (81°F), the coldest nights around 1°C (34°F).
- How much rain falls in South Korea (Seoul) in April?
- In April, South Korea (Seoul) receives an average of 87 mm (3.4 in) of rain over 6 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does South Korea (Seoul) get in April?
- South Korea (Seoul) averages 8 sunshine hours per day in April — above the annual average.
