Ansan

Stay up to date with the latest weather conditions in Ansan. In this section, you'll find real-time data, forecasts, and visual charts to help you plan your day.

The climate in the city of Ansan, located in South Korea, can be described as temperate, with four distinct seasons. The city experiences significant temperature fluctuations throughout the year, typical of the continental influence in temperate latitudes.

Summer in Ansan (June-August) is warm and humid, with average temperatures reaching 25-26°C in July and August. These months are also the rainiest, with the highest amount of precipitation and number of wet days, indicating a pronounced summer monsoon period. Winter (December-February) is cold, with average temperatures around or below freezing and relatively little precipitation. Spring (March-May) and autumn (September-November) are transitional seasons with pleasant, gradually changing temperatures and moderate rainfall.

Thus, visitors to Ansan should expect hot and humid summers, especially in July and August, and cold, drier winters. The spring and autumn months offer milder and more comfortable weather conditions for travel and outdoor activities.

The climate in Ansan is characterized by four distinct seasons with significant temperature fluctuations throughout the year. The coldest month is usually January, when the average temperature drops to -1.5°C and nightly lows can reach -5.4°C. December is also cold, with an average temperature of about -0.2°C. Conversely, the hottest months are July and August, with average temperatures of 25.5°C and 26.2°C respectively. Daytime highs during this period can rise to 28-29°C, making for quite sweltering weather.

Summer months in Ansan, especially July and August, bring warmth often accompanied by high humidity, given the significant amount of precipitation and wet days during this period. Average daytime temperatures range from 25°C to nearly 29°C, and nighttime temperatures remain fairly high at around 23°C. June is also warm, with an average temperature of 21.7°C, but with a slightly more noticeable difference between daytime (25.2°C) and nighttime (18.3°C) temperatures compared to the peak summer months.

Winter in Ansan is quite cool, with temperatures regularly dropping below freezing, especially in January and December. Average minimum temperatures in January are -5.4°C and -3.8°C in December, indicating frosty nights. Daytime temperatures in winter can hover around zero or rise a few degrees above. Spring (March-May) and autumn (September-November) are transitional months with temperatures gradually rising or falling. During these periods, there is a more significant difference between daytime and nighttime temperatures; for example, in March the average high is 10.8°C and the low is 2.3°C, while in October it's 18.9°C and 11.0°C respectively.

The city of Ansan experiences a pronounced seasonality in its precipitation distribution. Most of the moisture occurs during the summer months, which is typical of South Korea's monsoon climate. Conversely, winter is characterized by significantly less precipitation, while spring and autumn are transitional periods with moderate rainfall.

The peak of the rainy season in Ansan falls in July and August. July sees the highest amount of precipitation — an average of 9 mm — with rain occurring about 17 days a month. August also remains very humid with 8 mm of precipitation and around 16 rainy days. Summer precipitation is very frequent, especially in July and August. While individual short showers are possible, the overall small amount of precipitation spread over many days indicates predominantly light or moderate rain.

The driest months are January, February, March, and December, when the average monthly precipitation does not exceed 1 mm. January has the fewest days with precipitation — only about 4. Given the low temperatures in winter (for example, the average temperature in January is -1.5°C, December is -0.2°C, and the minimum temperature in February drops to -3.1°C), precipitation during this time of year can fall as snow. In spring, for instance in May, the amount of precipitation is about 4 mm with 9 rainy days, and in autumn, in September, about 5 mm of precipitation falls over approximately 10 days.

When planning a trip to Ansan, it's important to choose the right wardrobe considering the distinct change of seasons. In winter (December-February), it's quite cold here, with average temperatures hovering around zero and nightly lows potentially dropping to -5°C. Therefore, be sure to bring warm outerwear (a down jacket or winter coat), a hat, gloves, a scarf, and warm layers like sweaters and fleece jackets. Although there is little precipitation in winter, it can fall as snow or freezing rain, so waterproof shoes will come in handy. In spring (March-May) and autumn (September-November), the weather is changeable, ranging from cool to moderately warm. During these periods, layering is best: T-shirts, long sleeves, light jackets, or windbreakers that can be added or removed depending on the temperature. Don't forget an umbrella, as the number of rainy days increases, especially in May and September.

Summer in Ansan (June-August) is warm and humid, with peak temperatures and precipitation in July and August. The average temperature stays above +20°C, reaching +25-26°C. At this time, you'll need light, breathable clothing made from natural fabrics like cotton or linen. Essential companions will be sunscreen, a hat, and sunglasses. Given that there are up to 16-17 rainy days per month in July and August, a compact umbrella or light raincoat is a must. Regardless of the season, comfortable walking shoes are a must-have, as you'll likely want to explore the city on foot. The layering principle will help you stay comfortable through any weather changes during the day.