Best Time to Visit Ansan-si
Best time: May, Oct, Apr, Jun.
Aug is warmest (29.3°C high); Jul is rainiest (308 mm).
Ansan-si weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 1.4 | -7.6 | 27 | 3.7 |
| Feb | 4.1 | -5.1 | 32 | 5 |
| Mar | 10 | 0.2 | 50 | 6.5 |
| Apr | 17.5 | 6.3 | 86 | 8.1 |
| May | 22.4 | 12.1 | 91 | 8.9 |
| Jun | 26.2 | 17.4 | 132 | 8.4 |
| Jul | 28.6 | 21.6 | 308 | 6.9 |
| Aug | 29.3 | 21.8 | 280 | 7.1 |
| Sep | 25.3 | 15.9 | 150 | 6.6 |
| Oct | 19.1 | 8.4 | 57 | 5.7 |
| Nov | 11 | 1.4 | 54 | 4 |
| Dec | 3.9 | -4.8 | 26 | 3.3 |
Average high temperature
Best months by activity
Overall: MayOctAprJun
Beaches: Jun
Hiking: OctAprMayMar
Sightseeing: OctMayAprJun
Ansan-si quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Wet months (May, Jun, Jul, Aug, Sep): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Ansan-si?
May, Oct, Apr, Jun.
What is the rainiest month?
Jul, about 308 mm.
What is the warmest month?
Aug, with average highs of 29.3°C.
Where to stay
Book Ansan-si hotels · Ansan-si tours & activities
All destinations · Best time to visit Seoul · Best time to visit Yeoju · Best time to visit Yangsan · Best time to visit Yangju
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.