
Best Time to Visit Seongnam-si
The best months to visit Seongnam-si are Apr, May, Oct. Here is the full monthly breakdown.
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Best Months: Apr, May, Oct
These months offer the best balance of comfortable temperatures and low rainfall for visiting Seongnam-si. Expect highs of 19°C to 22°C to 19°C with relatively dry conditions.
Warmest Month
July
30°C high
Coldest Month
January
-6°C low
Driest Month
February
6 rain days
Wettest Month
July
21 rain days
Monthly Weather
January
High: 2°C / Low: -6°C
6 rain days
February
High: 5°C / Low: -5°C
6 rain days
March
High: 12°C / Low: 0°C
7 rain days
April
High: 19°C / Low: 7°C
9 rain days
May
High: 22°C / Low: 11°C
10 rain days
June
High: 28°C / Low: 17°C
14 rain days
July
High: 30°C / Low: 23°C
21 rain days
August
High: 30°C / Low: 23°C
19 rain days
September
High: 27°C / Low: 19°C
16 rain days
October
High: 19°C / Low: 10°C
10 rain days
November
High: 11°C / Low: 2°C
6 rain days
December
High: 4°C / Low: -4°C
6 rain days
Tourist Seasons in Seongnam-si
Peak Season
April, May, October
- +Best weather conditions
- +Most activities and events
- -Higher prices and larger crowds
- -Book accommodation well in advance
Shoulder Season
March, June, September, November
- +Good weather, fewer tourists
- +Better value for accommodation
- +More authentic local experiences
- ~Some attractions may have reduced hours
Off Season
January, February, July, August, December
- +Lowest prices of the year
- +No crowds at attractions
- -Weather may be less favourable
- -Some seasonal businesses may close
Month-by-Month Breakdown
| Month | High | Low | Rain Days | Season |
|---|---|---|---|---|
January | 2°C | -6°C | 6 | Off Season |
February | 5°C | -5°C | 6 | Off Season |
March | 12°C | 0°C | 7 | Shoulder Season |
April★ | 19°C | 7°C | 9 | Peak Season |
May★ | 22°C | 11°C | 10 | Peak Season |
June | 28°C | 17°C | 14 | Shoulder Season |
July | 30°C | 23°C | 21 | Off Season |
August | 30°C | 23°C | 19 | Off Season |
September | 27°C | 19°C | 16 | Shoulder Season |
October★ | 19°C | 10°C | 10 | Peak Season |
November | 11°C | 2°C | 6 | Shoulder Season |
December | 4°C | -4°C | 6 | Off Season |
Season Timeline
Frequently Asked Questions
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Our Top 5 Favourite Tours in Seongnam-si
Make the most of your trip by booking popular tours and activities in advance.
Seongnam-si Walking Tour: Highlights & Hidden Gems
Discover Seongnam-si on foot with a local guide who knows every backstreet and story. You will cover the must-see landmarks and stumble upon places most visitors never find.
View Tour DetailsSeongnam-si Food Tour: Street Food & Local Favourites
Eat your way through Seongnam-si with a local foodie as your guide. From bustling markets to tucked-away restaurants, taste the dishes the city is truly known for.
View Tour DetailsBest of Seongnam-si: Skip-the-Line Top Attractions
Skip the queues and get straight into Seongnam-si's top attractions with pre-booked access. An expert guide brings each site to life with stories and context you would not get on your own.
View Tour DetailsDay Trip from Seongnam-si: Scenic Excursion
Escape Seongnam-si for the day and explore the stunning surroundings. Transport, guide, and itinerary are all sorted so you can relax and enjoy the scenery.
View Tour DetailsSeongnam-si Cultural Experience: History & Traditions
Go beyond sightseeing and connect with Seongnam-si's living culture. From hands-on workshops to historic neighbourhood walks, this is the side of the city most travellers miss.
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Top 3 Areas to Stay in Seongnam-si
Liveliest areas for nightlife, culture, and entertainment
Bundang-gu (Seohyeon Station Area)
A modern, affluent district with tree-lined streets, upscale shopping, and abundant dining options.
Our top picks in Bundang-gu (Seohyeon Station Area)
Pangyo Techno Valley
A bustling hub for technology and innovation, characterized by modern architecture and a young professional crowd.
Our top picks in Pangyo Techno Valley
Sujeong-gu (Mokwon Station Area)
A more residential and local area offering a glimpse into everyday Seongnam life with accessible amenities.
Our top picks in Sujeong-gu (Mokwon Station Area)
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