Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Seoul is from May, June, October. — consistent weather climate
🌦Humid
| Score | 24 | 26 | 41 | 74 | 81 | 76 | 43 | 44 | 75 | 84 | 39 | 25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Cold | Cold | Mild | Cool & rainy | Humid | Rainy | Rainy | Humid | Mild | Cold | Polar |
| Temperature | -7–2°C | -5–5°C | 0–11°C | 6–18°C | 12–23°C | 17–27°C | 22–29°C | 22–29°C | 17–25°C | 9–19°C | 2–11°C | -5–3°C |
| Feels like | -11–-3°C | -9–0°C | -4–8°C | 4–15°C | 11–22°C | 18–28°C | 25–33°C | 26–34°C | 18–27°C | 7–17°C | -1–8°C | -10–-1°C |
| Precipitation | 18mm 3 days | 26mm 4 days | 40mm 5 days | 64mm 6 days | 106mm 7 days | 121mm 9 days | 310mm 20 days | 260mm 17 days | 131mm 9 days | 76mm 5 days | 59mm 6 days | 26mm 4 days |
| Sunshine | 7.8h ☀︎ 78% | 8.4h ☀︎ 77% | 9.1h ☀︎ 76% | 9.3h ☀︎ 71% | 10.0h ☀︎ 70% | 9.7h ☀︎ 66% | 7.0h ☀︎ 48% | 8.8h ☀︎ 65% | 8.6h ☀︎ 69% | 8.3h ☀︎ 74% | 7.2h ☀︎ 71% | 7.2h ☀︎ 75% |
| Wind | NW · 16 km/h | W · 18 km/h | W · 18 km/h | SW · 19 km/h | SW · 19 km/h | SW · 17 km/h | SW · 16 km/h | SW · 15 km/h | NE · 14 km/h | N · 14 km/h | NW · 15 km/h | NW · 15 km/h |
| Humidity (%) | 59% | 61% | 66% | 65% | 68% | 72% | 82% | 82% | 77% | 74% | 71% | 63% |
| Day length | 9.9h | 10.8h | 12.0h | 13.2h | 14.2h | 14.7h | 14.5h | 13.6h | 12.4h | 11.2h | 10.2h | 9.6h |
Every April, the cherry trees along Yeouiseo-ro burst into bloom, drawing huge crowds to Seoul's Han River park for phot…
Held in the weeks before Buddha's Birthday, this UNESCO-listed festival fills central Seoul with a nighttime parade of t…
This one-night display over the Han River draws roughly a million spectators to riverside parks in October, with interna…
This major harvest holiday, falling in September or early October depending on the lunar calendar, empties Seoul as resi…
Korea's biggest holiday, falling in late January or February, sees most Seoul residents leave the city to visit family,…
Thousands of illuminated lantern sculptures line the Cheonggyecheon stream in central Seoul each November, creating a co…
Seoul's biggest tourist crowds arrive in the dead of winter despite brutal freezing winds, while the city's finest hour comes in October, when dry skies and crisp air coincide with the thinnest crowds of the year.
Risen from total wartime devastation into an electric economic titan, Seoul is a city of sharp contrasts: high-tech subways trace ancient Joseon dynasty ramparts, neon towers cast shadows over centuries-old wooden eaves, and five-lane avenues end abruptly against steep granite peaks. The sprawling metropolis stretches along the Han River with relentless forward momentum, but its sensory texture shifts violently with the seasons. Most travelers mistakenly assume a destination this famous fills up under mild blue skies. In truth, visitors surge in during the bitter, sub-zero cold of midwinter, completely missing the golden, clear-skied perfection of mid-autumn.
If you could freeze a single month in Seoul forever, it would be October. The oppressive summer storms have fully cleared, leaving brilliant blue skies and sharp, comfortable air that makes climbing the trails around the Fortress Wall of Seoul an absolute pleasure. High temperatures hover in the upper teens, dropping into brisk, jacket-weather evenings that demand hot broth at outdoor tent stalls.
Remarkably, this pinnacle of atmospheric perfection arrives precisely when visitor tallies plunge to their lowest mark on the calendar. Aside from the explosive surge around the Seoul International Fireworks Festival over Yeouido, when a million spectators briefly claim the Han River shoreline, the city feels spacious and calm. When Chuseok empties the capital of its residents, who head out to ancestral villages, central thoroughfares hush to a murmur and royal palace courtyards sit peacefully undisturbed.
Walking from the wooden alleys of Bukchon Hanok Village down through the shaded stone corridors of Gyeongbokgung under a canopy of turning leaves feels effortless. You will never find an easier or more rewarding time to take in the capital on foot.
Spring arrives like an exhale after months of grey frost. In April, the cherry trees along Yeouiseo-ro break into a canopy of pale pink petals during the Yeouido Spring Flower Festival, drawing riverbank strolls and night-time picnics wrapped in light coats. The air is mild and refreshing, though the blooming corridors can feel jammed shoulder to shoulder.
By May and June, Seoul moves permanently outdoors. Early summer brings lush green foliage to the slopes of Namsan and warm, breezy evenings that carry past midnight. In May, the Lotus Lantern Festival sets thousands of luminous paper artworks drifting along the route from Dongdaemun to Jogyesa Temple in honor of Buddha's Birthday, filling the downtown night with amber light and quiet reverence.
Rain showers begin to gather intensity through June, but they arrive largely as brief afternoon cloudbursts rather than day-ruining torrents. Temperatures climb steadily into the high twenties, and the city thrives on the open pavement, with tables spilling across sidewalks and night markets buzzing until sunrise.
Summer in the capital is a heavy, sodden affair. The East Asian monsoon breaks directly over the basin, dumping torrential sheets of rain that overwhelm umbrella canopies and quickly shut down outdoor plans. Even when the cloudbursts pause, the atmosphere remains thick and muggy, with apparent temperatures hanging well above thirty degrees and little relief after sundown.
It is easily the most exhausting season for exploring on foot. The stone plazas of central palaces reflect heat like baking sheets, and steep neighborhood hills turn into grueling uphill climbs. Sightseeing becomes an exercise in hopping between subway carriages, subterranean shopping concourses, and climate-controlled galleries.
Crowds retreat somewhat during these sweltering weeks, driven indoors or toward coastal escapes. If you do find yourself here during midsummer, adjust your clock: stay in cool spaces during the suffocating afternoon peak, then venture out late into the neon glow, when the air cools enough for iced coffee and riverside breezes.
Winter in Seoul does not gently arrive; it cuts like a blade. Siberian winds funnel down the river basin, driving apparent temperatures well below freezing for weeks on end. Trees stand stripped bare, stone steps glaze with hidden frost, and walking along the canyon of Cheonggyecheon requires heavy down parkas, scarves, and insulated boots. November offers a brief, luminous transition, marked by the glowing sculptures of the Seoul Lantern Festival along the downtown stream, before the deep chill locks in by December.
Yet here lies the city's greatest calendar riddle: January and February are the busiest months of the year. Travelers flood into the city precisely when conditions outside are at their most punishing. Lines stretch out at hotteok stalls, and subway cars steam with damp wool coats and wet snow.
During Seollal, the Lunar New Year holiday, the rhythm shifts as millions of locals exit the city to visit ancestral homes, leaving transit quiet and major avenues wide open. The palaces often waive admission fees for traditional holiday games, offering a striking view of snow-dusted upturned roofs and empty ceremonial plazas. March begins the slow crawl out of the deep freeze, but biting winds linger long past the calendar change, making early spring a drab, blustery waiting game for the first cherry buds.