Guryongpo

Planning a trip or just curious about the weather in Guryongpo? Here you'll find the latest information, including forecasts and helpful weather charts.

The climate in Guryongpo, South Korea, can be described as temperate, with four distinct seasons. Travelers can expect a true change of seasons: from cool and relatively dry winters, where average January temperatures hover around 2.4°C (with nightly lows dropping below freezing), to warm and humid summers. August is the hottest month, with an average temperature of 26.4°C and highs reaching 28.5°C.

One of the key features of the weather in Guryongpo is a pronounced summer rainy season, which brings the bulk of the annual precipitation. July, August, and September are considered the rainiest months, with precipitation levels reaching 6-7 mm and the number of rainy days often hitting 14-15 per month. In contrast, the winter months (November, December, and January) are the driest, with minimal precipitation. Spring (March-May) and mid-autumn (October) delight Guryongpo's visitors with comfortable temperatures and moderate rainfall, creating excellent conditions for walking and exploring the town.

The climate in Guryongpo is characterized by clearly defined seasons and a significant annual temperature range. The coldest month is January, with an average temperature of about 2.4°C. During this time, nightly lows can drop to an average of -0.7°C, while daytime highs reach approximately 5.6°C. Conversely, August stands out as the hottest month with an average temperature of 26.4°C. At the height of summer, daytime temperatures typically rise to 28.5°C, and even nights remain warm, averaging 24.3°C.

The summer period in Guryongpo, especially from June to August, features warm and sometimes hot weather. June brings average temperatures around 21.6°C, which gradually rise to peak values in July (25.3°C) and August (26.4°C). The summer months are characterized by consistently warm weather. Winter, spanning December to February, is cool. The average temperature in December is 3.5°C, January is the coldest at 2.4°C as mentioned, and February sees a slight warming to 4.2°C. Nighttime temperatures in winter can be quite low, especially in January when they drop below freezing.

The transitional seasons — spring (March to May) and autumn (September to November) — show a gradual shift in temperatures. Spring sees a warming from an average of 9.0°C in March to a pleasant 17.5°C in May. In autumn, temperatures decrease from a warm 22.4°C in September to a cooler 10.7°C in November. Throughout the year, there are noticeable, though not extreme, daily temperature fluctuations. The difference between daytime highs and nightly lows usually ranges from 4°C in the warmest months to 6-7°C during the cooler and transitional periods, meaning evenings can feel significantly cooler than the midday peak.

Guryongpo experiences strong seasonality in its annual precipitation distribution. Most rainfall occurs during the summer months, creating a distinct wet season, while winter is characterized by significantly lower levels.

The wettest months in Guryongpo are July and September, each averaging about 7 mm of precipitation. August stands out for having the most rainy days — about 15 — meaning it rains nearly every other day. Overall, the period from June to September can be considered the rainy season, when precipitation becomes more frequent and likely more intense compared to other times of year. For instance, in July and September, it rains an average of 14 days per month.

The driest period occurs in late autumn and winter. December, January, and November are the driest months, with precipitation levels of only about 1 mm each. December records the fewest rainy days — only about 3. Given the average winter temperatures, especially minimums around -0.7°C in January and 0.3°C in December, precipitation in these cold months can fall as snow as well as rain, although the total amount remains low.

When planning a trip to Guryongpo, it's important to consider the variable weather throughout the year to ensure your stay is as comfortable as possible. Regardless of the season, comfortable walking shoes will be your best companion for exploring the town and its surroundings. The winter months (December to February) are quite cool, with average temperatures around 2-4°C, and nightly lows can drop below freezing. Therefore, during this period, you will definitely need a warm jacket, sweaters, a hat, gloves, and a scarf. The low amount of precipitation in winter doesn't rule out the need for waterproof outerwear or an umbrella.

Spring (March-May) and autumn (October-November) in Guryongpo are characterized by milder and more pleasant weather. Temperatures gradually rise in spring (from 9°C to 17.5°C) and fall in autumn (from 16.7°C to 10.7°C). During these transitional seasons, layering your clothes is the best approach: a light jacket or windbreaker, pullovers, cardigans, and t-shirts that can be added or removed depending on the weather. Summer (June-September) is the warmest time of year, with average temperatures ranging from 21.6°C to 26.4°C. July, August, and September are also the months with the highest precipitation (up to 7 mm) and rainy days (up to 15 per month), so be sure to bring an umbrella or a light raincoat. For summer walks, light, breathable clothing made from natural fabrics is ideal.

Regardless of when you visit, don't forget sunscreen, as the sun can be intense even on cool days. It's also worth considering a small backpack for day trips to carry water, snacks, and other essentials. A power adapter, if it differs from the one used in South Korea, will also come in handy. The main thing is to dress for the weather and be prepared for changes so that nothing spoils your journey to Guryongpo.