Suwon

Planning a trip to Suwon or just want to stay up to date with the weather? In this section, you'll find current meteorological data, detailed forecasts, and visual charts to help you plan your day.

The climate in Suwon, located in South Korea, can be described as temperate, with four distinct seasons. The city experiences significant temperature fluctuations throughout the year, from cool and sometimes freezing winters to hot and humid summers. This creates a variety of weather conditions to consider when planning your trip.

Winters in Suwon (December–February) are cold, with average temperatures around or slightly below zero degrees Celsius and little precipitation. Spring (March–May) brings gradual warming, with pleasant temperatures perfect for walking and sightseeing. Summer (June–August) is hot and humid, with average temperatures rising to 22–26°C and maximums reaching nearly 30°C. Autumn (September–November) delights with comfortable coolness and decreasing humidity, creating pleasant conditions for travel.

One of the key features of Suwon's climate is the pronounced summer monsoon period. July and August see a significant increase in rainfall and the number of rainy days — up to 17 days per month with precipitation. This is the wettest period of the year. In other seasons, the amount of precipitation is much lower, making the weather more predictable for outdoor activities.

The annual temperature cycle in Suwon shows significant contrasts. The peak of the heat occurs in August, when the average air temperature is 26.1°C, daytime highs can reach 29.2°C, and nights remain warm with an average minimum temperature of around 23.0°C. The coldest month is January: the average temperature at this time drops to -1.7°C, nighttime frosts can reach -6.0°C, and daytime values rarely rise above 2.5°C.

Summer months in Suwon, especially July and August, are quite hot. Average daytime temperatures during this period range from 26.4°C in June to 29.2°C in August. Nights also remain warm, creating a sense of prolonged heat. Given the high number of rainy days in July and August (17 days each), the summer can feel quite humid. Winter, spanning December, January, and February, brings cold weather. Average temperatures in these months range from -1.7°C in January to 0.8°C in February. Nighttime frosts are common, and daytime temperatures often stay near zero or slightly above.

The spring (March–May) and autumn (September–November) months are transitional and characterized by more moderate temperatures. Significant temperature fluctuations between day and night occur during these periods. For example, in April, the average high is 17.2°C and the average low is 7.2°C, indicating cool evenings and mornings alongside relatively warm days. A similar pattern is observed in October, when daytime temperatures can reach 19.0°C and nighttime temperatures drop to 10.1°C. These variations make the shoulder seasons pleasant for visiting but require preparation for changing weather conditions throughout the day.

Suwon experiences pronounced seasonality in precipitation distribution throughout the year. The highest amount of rainfall occurs during the summer months, forming a distinct rainy season, while winter and the transitional seasons are characterized by significantly lower amounts.

The peak of the rainy season falls in July and August. In July, an average of 9 mm of precipitation falls, and the number of rainy days reaches 17. August is also very humid, with 8 mm of precipitation and about 17 rainy days. Rainfall can be intense during these months. June and September also receive a noticeable amount of precipitation, around 4-5 mm, with 9-10 rainy days, indicating an extended wet period from May to September.

The driest months in Suwon are the winter months — January, February, and December — when only about 1 mm of precipitation falls. January records the fewest days with precipitation, only 4. Given the average temperatures during these months (-1.7°C to 0.8°C), precipitation is likely to fall as light snow. The spring (March, April) and autumn (October, November) months are also relatively dry, with precipitation around 2 mm and about 6 days with precipitation per month, primarily in the form of rain.

When planning a trip to Suwon, it's important to consider the distinct seasonal changes characteristic of South Korea. Winter (December–February) is quite cold here, with average temperatures around 0°C and nighttime frosts down to -6°C. During this time, you will need warm, layered clothing, including sweaters, thermal underwear, a winter jacket, a hat, gloves, and a scarf. Although there isn't much precipitation in winter, the cold wind can be piercing. Spring (March–May) and autumn (September–November) are transitional seasons with pleasant but changeable weather. Temperatures in spring gradually rise from +6°C to +17°C, while in autumn they drop from +21°C to +7°C. It's recommended to bring clothes that are easy to layer: T-shirts, shirts, light sweaters, and a jacket or raincoat. Don't forget comfortable shoes for long walks.

Summer in Suwon (June–August) is warm and humid, with average temperatures between +22°C and +26°C, sometimes reaching +29°C. July and August are the rainiest months, with heavy precipitation and up to 17 wet days per month. Therefore, light, breathable clothing made of natural fabrics, such as T-shirts, shorts, and sundresses, will be most comfortable. Be sure to bring an umbrella or raincoat, as well as waterproof shoes or a spare pair. Sunscreen and a hat will also come in handy on sunny days. Regardless of the time of year, comfortable walking shoes are an absolute necessity, as Suwon has many interesting places to explore on foot.