Weather in Muan

Planning a trip to Muan? Check out the latest weather information, including detailed charts and forecasts, to prepare for any conditions during your journey.

The climate in Muan can be described as temperate, with four distinct seasons. Located in South Korea, this city offers travellers diverse weather conditions: from hot summers to cool winters. Overall, the weather here is quite predictable, making trip planning easier, though it is worth considering seasonal specificities to ensure your holiday is as comfortable as possible.

Summer here is warm and humid, with the highest temperatures in August, when the air warms up to an average of 27°C, and sometimes higher. The summer months, especially July and August, see the highest number of rainy days, which is characteristic of the region's monsoon climate. Winter, by contrast, is distinguished by dryness and low temperatures: in January, the thermometer hovers around 2-3°C, sometimes dropping below zero, but heavy precipitation is rare at this time.

Spring and autumn are considered the most favourable periods for a visit. Mild and pleasant weather sets in from April to May and in October. In spring, the temperature rises smoothly from 13°C to 18°C, whilst in autumn, the air gradually cools down after the summer heat, offering tourists comfortable conditions for long walks without extreme heat or cold.

The temperature regime in Muan demonstrates distinct seasonality, typical of the South Korean climate, yet extreme weather conditions are rarely observed here. The coldest month of the year is traditionally January, when the average temperature is about +2.6°C, and night-time figures may drop slightly below freezing (to -0.4°C). At the peak of summer, in August, the picture changes drastically: this is the hottest month with an average of +27.2°C and daytime highs reaching +30°C.

The summer season here is truly warm. Already in June, the air warms up to an average of +22°C, and by mid-summer, hot weather sets in, which can be accompanied by high humidity. Winter in Muan is quite mild, especially compared to the more northern regions of the country. Although light frosts are possible at night, during the day in December and February, the thermometer confidently stays in the positive range (+5...+7°C), making winter walks quite comfortable with suitable clothing.

The transitional seasons, spring and autumn, delight travellers with the most pleasant conditions. In April and October, the average temperature holds at the level of +13...+16°C, creating the ideal atmosphere for excursions. It is worth noting that diurnal temperature fluctuations in Muan are relatively small: the difference between the daily maximum and nightly minimum is usually only 3–6 degrees, ensuring a smooth and predictable temperature background throughout the day.

Precipitation in Muan is distributed unevenly throughout the year, which is directly linked to seasonal climate changes in South Korea. It is important for travellers to know that there is a clearly defined wet summer period and a drier winter season. When planning a trip, be sure to check the calendar so the weather does not catch you off guard.

The rainiest season begins in June and reaches its peak in the middle of summer. July is the undisputed leader in terms of rainfall frequency: it rains on average 15 days a month. August and September also remain wet, with 14 and 12 rainy days respectively. During this period, an umbrella or raincoat will be essential accessories, as precipitation falls almost every other day.

With the arrival of autumn, the amount of precipitation decreases sharply. October is considered one of the driest months of the year, when only about 5 days with precipitation are recorded, making it an excellent time for walking. In winter, especially in January and December, when night temperatures can drop below zero, wet snow or freezing rain is possible, however, the intensity of precipitation at this time of year remains minimal compared to the summer season.

Packing for Muan requires a careful approach, as your wardrobe will depend directly on the time of year. In summer, especially in July and August, it is hot and humid here, and the number of rainy days reaches a maximum (up to 15 days a month). For this season, be sure to take light clothing made of natural breathable fabrics, a reliable umbrella, and a raincoat. In winter, although severe frosts rarely happen, the average temperature stays around +2...+4°C, so a warm jacket, scarf, and gloves are necessary for comfortable walks in the fresh air.

Spring and autumn in this region of South Korea are distinguished by a mild climate, but the weather can be changeable throughout the day. During these periods, it is best to use the principle of layering: a combination of a T-shirt, a light sweater, and a windbreaker will allow you to easily adapt to the morning chill and daytime warmth. In April and October, precipitation is minimal, but a light windproof jacket will protect against the wind, which is characteristic of coastal zones.

Regardless of the season, the main item on your list should be comfortable, worn-in shoes for long walks. Also, do not forget sunscreen and headwear — the sun can be active even on cloudy days. If you are planning a trip in September, keep in mind that this month still remains quite rainy, so waterproof footwear will be very useful.