South Korea
Seoul in October
In October, Seoul averages a daytime high of 20 °C and a night-time low of 10 °C, with about 47 mm of rain over the month. By the measure used here it is one of the most comfortable months to visit.
- Average high
- 20 °C
- Average low
- 10 °C
- Rain in the month
- 47 mm
- Daylight on 15 Oct
- 11 h 10 min
- Comfortable month
- Yes
- Places to stay
- 292
When to go
How October compares with the rest of the year in Seoul
October is the 6th warmest month in Seoul by average daytime high; across the year the highs run from 2 °C to 30 °C and the lows from -7 °C to 22 °C. By day, October is 6 °C cooler than September, and November is 8 °C cooler than October.
October brings 47 mm of rain, less than the monthly average of 112 mm (1343 mm a year); it is the 8th wettest month.
On 15 October the sun is up for about 11 h 10 min, against 9 h 30 min at the shortest and 14 h 40 min at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 2 °C | -7 °C | 15 mm | |
| February | 4 °C | -5 °C | 24 mm | |
| March | 11 °C | 0 °C | 35 mm | |
| April | 18 °C | 6 °C | 83 mm | |
| May | 23 °C | 12 °C | 105 mm | |
| June | 27 °C | 17 °C | 134 mm | |
| July | 29 °C | 22 °C | 358 mm | |
| August | 30 °C | 22 °C | 320 mm | |
| September | 26 °C | 16 °C | 154 mm | |
| October | 20 °C | 10 °C | 47 mm | Yes |
| November | 12 °C | 2 °C | 48 mm | |
| December | 4 °C | -5 °C | 20 mm |
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
When to go
Is October a good time to visit Seoul?
Yes, by the measure used here: in October the average high of 20 °C is between 18 °C and 29 °C and the 47 mm of rain is under 80 mm. The comfortable months in Seoul are October.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
Public holidays in South Korea in October
Nationwide public holidays; shops and offices may close on these dates.
When to go
Destinations near Seoul that are comfortable in October
Within 300 km, nearest first, by the same measure.
Where to stay
Where to stay in Seoul
This guide lists 292 places to stay in Seoul: 4 chain properties with their details and own websites, and 288 hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 76; 1–3 km, 123; 3–10 km, 89.
Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.