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Seoul cycling weather
Cycling in Seoul combines river paths with mountain climbs where conditions vary significantly.
See wind, rain and temperature along every kilometre of your route — not just at the start.
Why a city forecast isn't enough
City forecasts don't reflect mountain weather. RouteWeather maps conditions along your route.
What changes along a long route
- River paths affected by wind
- Mountains cooler and wetter
- Seasonal variation is strong
- Rain impacts routes differently
- Timing affects conditions
Climate overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | 2°C | -5°C | 22 | 7.0h | 7 | 19 mm | 75 % | 2 | 9h 54m |
| Feb | 2°C | -6°C | 25 | 9.1h | 4 | 5 mm | 73 % | 3 | 10h 48m |
| Mar | 12°C | 1°C | 25 | 8.9h | 10 | 45 mm | 70 % | 4 | 11h 58m |
| Apr | 17°C | 6°C | 23 | 9.7h | 9 | 103 mm | 68 % | 5 | 13h 10m |
| May | 22°C | 12°C | 20 | 8.3h | 16 | 103 mm | 65 % | 6 | 14h 11m |
| Jun | 28°C | 19°C | 22 | 8.6h | 17 | 101 mm | 67 % | 7 | 14h 42m |
| Jul | 32°C | 24°C | 23 | 9.2h | 20 | 235 mm | 66 % | 8 | 14h 27m |
| Aug | 31°C | 24°C | 25 | 9.8h | 24 | 205 mm | 68 % | 7 | 13h 34m |
| Sep | 26°C | 19°C | 17 | 7.0h | 14 | 298 mm | 70 % | 5 | 12h 25m |
| Oct | 19°C | 12°C | 18 | 5.7h | 18 | 159 mm | 72 % | 4 | 11h 12m |
| Nov | 12°C | 3°C | 25 | 8.3h | 8 | 16 mm | 76 % | 2 | 10h 9m |
| Dec | 3°C | -4°C | 25 | 7.0h | 10 | 46 mm | 77 % | 2 | 9h 37m |
See it in action
Try example route in SeoulFrequently asked questions
Best season?
Spring and autumn offer the best conditions.
Do mountains differ?
Yes, significantly cooler and more variable.