Average weather in May in Seoul, South Korea

The average minimum temperature (usually the minimum temperature is noted during the night) in Seoul in May is 13.7°C (56.66°F). The amount of rain in May is high with an average of 107mm (4.2in). It rains on average a total of 8 days. You can expect very pleasant temperatures during the day. The average maximum daytime temperature lies around 23.8°C (74.84°F). If you enjoy looking at a blue sky and love the sun than this is a great time to go to Seoul with 225 hours of sun.


So what to wear in May? Visitors traveling to Seoul should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very nice and warm.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in May look at the numbers below.

Monthly Averages in May

Show in Fahrenheit

Min Temperature 13 °C
Max Temperature 23 °C
Chance of Rain 27%
Precipitation 107mm
Rainy Days 8
Sunshine Hours 225

Where to stay in Seoul

Where to go in South Korea in May

Find out more about the weather in South Korea in May and which places have the best weather conditions in this month.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Swimming
9/10
Cycling
9/10
Walking
9/10
Camping
6/10
Outdoor sports
9/10

Weather Forecasts for Seoul

MON Aug 15
28°C | 24°C
Heavy rain

Heavy rain

TUE Aug 16
32°C | 22°C
Heavy rain

Heavy rain

WED Aug 17
33°C | 21°C
Sunny

Sunny

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Seoul.

Our site offers climate and forecast data for almost all countries in the world. Are you going to South Korea? On this website you can find historical weather averages for many cities in South Korea. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.