Average Temperatures in April
April in South Korea marks the arrival of spring, which brings mild and pleasant weather. As the country transitions from the cold winter months, temperatures begin to rise, making it an ideal time to visit. The weather during this month is characterized by relatively comfortable temperatures, but it can still fluctuate depending on the region.
Highest and Lowest Temperatures
Throughout South Korea, temperatures in April range widely between regions, but overall, it is a month of moderate warmth. In the southern regions, such as Busan and Jeju, the temperatures tend to be milder and warmer, with highs averaging around 15°C (59°F) to 18°C (64°F). In contrast, the northern parts of the country, including Seoul and areas closer to the Demilitarized Zone (DMZ), experience slightly cooler temperatures, ranging from 10°C (50°F) to 14°C (57°F) for the highs.
At night, temperatures drop significantly, especially in the northern areas. The average low temperatures for Seoul and other northern cities typically range between 2°C (36°F) and 5°C (41°F), while the southern regions experience lows between 6°C (43°F) and 9°C (48°F). It’s not uncommon for temperatures to dip even lower during particularly cold nights, especially early in the month before the full warmth of spring sets in.
In general, April weather in South Korea is ideal for outdoor activities and sightseeing, as the days are neither too hot nor too cold.
Temperature Table for the Past 10 Years
The table below highlights the average temperatures and precipitation levels for South Korea during the month of April over the past 10 years. This provides insight into typical weather patterns, helping travelers plan their visit accordingly.
| Year | Average High Temperature (°C) | Average Low Temperature (°C) | Precipitation (mm) |
|---|---|---|---|
| 2015 | 15.3 | 5.1 | 42 |
| 2016 | 16.0 | 6.0 | 49 |
| 2017 | 15.5 | 4.8 | 40 |
| 2018 | 17.2 | 6.2 | 35 |
| 2019 | 16.5 | 5.4 | 50 |
| 2020 | 14.8 | 5.2 | 48 |
| 2021 | 15.9 | 5.7 | 44 |
| 2022 | 16.1 | 5.6 | 52 |
| 2023 | 15.8 | 5.4 | 46 |
| 2024 | 16.4 | 5.3 | 43 |
As seen in the table, the average high temperature in April tends to hover between 14°C (57°F) and 17°C (63°F), with the average low temperatures falling between 4°C (39°F) and 6°C (43°F). The precipitation levels also vary, ranging from 35 mm to 52 mm, indicating moderate rainfall throughout the month. This rainfall is spread across the month, with showers being more frequent in the latter half of April.
Precipitation in April
Rainfall
April in South Korea is a relatively dry month compared to the summer rainy season, but there are still occasional showers. The precipitation in April averages between 40 mm and 52 mm, and the rainfall is typically light to moderate. The rain usually comes in short bursts, typically lasting a few hours, and may occur intermittently throughout the month. April showers are more likely to occur toward the end of the month, as the country heads into May, which is part of the early rainy season.
The southern regions, including Jeju Island and Busan, tend to receive a little more rain compared to the northern parts of the country, like Seoul and the DMZ areas. However, rain is still infrequent, and visitors can generally enjoy pleasant weather with few disruptions from rainfall.
Snowfall
By April, South Korea is generally free from snow, especially in the southern regions and cities. Snow is rare, but in higher altitudes, such as the mountainous areas in Gangwon Province, it is possible to encounter some residual snow, particularly at the beginning of the month. However, snowfall is usually light and does not significantly impact travel plans for most visitors. Ski resorts in the country begin to close by the end of March, and the snow is usually melting by mid-April.
Wind Patterns
April is characterized by relatively calm winds in most parts of South Korea, although there can be occasional gusts, especially during periods of rain or storms. In general, the wind speeds are moderate, with average wind speeds of around 10–15 km/h (6–9 mph) in most urban areas.
In the northern regions, including Seoul and the areas near the DMZ, wind patterns can sometimes be more noticeable due to the geographical location. The winds here may be slightly stronger, particularly if there is a passing cold front or rainstorm. Winds in the southern areas, such as Jeju and Busan, are typically milder and can feel refreshing during the spring months.
Atmospheric Pressure
April in South Korea typically sees moderate atmospheric pressure, which reflects the mild and transitional nature of the spring weather. As the country moves away from the colder winter months and into the warmer spring season, the air pressure tends to stabilize. The beginning of the month can still see some fluctuations in atmospheric pressure, especially with passing weather systems or sudden temperature changes.
In general, the weather is conducive for travel, and travelers can expect stable weather with brief instances of low pressure associated with rain showers. The pressure usually returns to normal after a few days, making it an excellent month for exploring the outdoors without being impacted by drastic weather changes.
Considerations for Travelers in April
1. Layered Clothing
As April in South Korea can be mild during the day but cooler at night, it’s advisable to pack clothing that can be layered. During the day, a light jacket or sweater should suffice, but it’s a good idea to bring a heavier jacket for the evenings, as temperatures can drop quickly. Additionally, layering allows you to adjust your clothing as the temperature fluctuates throughout the day.
2. Prepare for Occasional Rain
Although April is generally not a rainy month, there are occasional showers, particularly toward the end of the month. Travelers should bring an umbrella or a light raincoat to stay dry during brief periods of rain. It’s also a good idea to wear waterproof shoes, especially if you plan to do a lot of walking in cities or explore outdoor areas like parks and temples.
3. Footwear for Varied Terrain
South Korea has a mix of urban environments and natural landscapes, and April’s mild weather is ideal for exploring both. Comfortable shoes for walking are essential, especially if you plan to visit mountains or hiking trails. In cities, where you may do a lot of walking on paved streets, comfortable sneakers or walking shoes are recommended. If hiking is on your agenda, consider bringing sturdy shoes suitable for trails, which can be wet or muddy after rain showers.
4. Skin Protection from the Sun
Despite the cooler temperatures, the spring sun in South Korea can still be intense, especially when traveling to southern regions like Busan or Jeju. It’s important to apply sunscreen to avoid sunburns, particularly during outdoor activities like hiking or sightseeing. Sunglasses and a hat can also help protect you from the sun’s UV rays, which can be stronger in April.
5. Health Precautions
Spring in South Korea is generally a healthy time to visit, but travelers should still take precautions. If you have allergies, be aware that pollen levels may rise in April as flowers bloom, particularly in cities like Seoul. Carrying antihistamines or other allergy medications can help manage any symptoms. Also, as temperatures can fluctuate, be mindful of staying warm at night and dressing in layers to avoid catching a cold.
6. Early Cherry Blossoms
April is also the time when cherry blossoms are in full bloom in many parts of South Korea, which is a significant draw for tourists. These blossoms are usually most prominent in early April, with locations like Seoul, Gyeongju, and Jeju offering stunning views of the flowers. If you are visiting during this time, be sure to check local forecasts to time your visit with the cherry blossom peak.
Things to Do in South Korea in April
1. Cherry Blossom Viewing
April is one of the best times to visit South Korea for cherry blossom viewing. The cherry blossoms bloom in early April and attract visitors from around the world. Popular locations like the Seoul National Cemetery, Gyeongju, and Jeju Island are known for their breathtaking cherry blossom festivals and offer excellent photo opportunities. These festivals are perfect for leisurely strolls and picnics, and many parks hold traditional performances, food stalls, and cultural events to celebrate the arrival of spring.
2. Visit Historical Sites in Seoul
Seoul, the capital of South Korea, offers a wealth of historical and cultural sites that are perfect for exploring in April’s mild weather. The Gyeongbokgung Palace, Bukchon Hanok Village, and Changdeokgung Palace are must-visit destinations that showcase Korea’s rich history and culture. These sites are particularly scenic when the cherry blossoms are in bloom, as they provide a beautiful contrast between traditional architecture and nature.
3. Explore Jeju Island
Jeju Island, known for its volcanic landscapes, scenic coastlines, and natural beauty, is a fantastic destination to explore in April. The island offers various hiking trails, including the famous Hallasan Mountain, which provides panoramic views of the island. April’s pleasant weather makes it ideal for outdoor activities such as cycling around the island, visiting waterfalls like Jeongbang and Cheonjiyeon, and enjoying the island’s vibrant flowers and greenery.
4. Hike in the Mountains
South Korea is home to numerous beautiful mountains, and April is an ideal time for hiking. Popular hiking destinations such as Seoraksan, Bukhansan, and Jirisan National Park offer stunning views of the mountains and valleys. The pleasant temperatures and blooming flowers make hiking during this time particularly enjoyable. Whether you are a seasoned hiker or a beginner, South Korea offers a variety of trails suitable for all levels of experience.
5. Relax in Traditional Korean Spas (Jjimjilbang)
After a day of sightseeing and hiking, a visit to a traditional Korean spa (jjimjilbang) is the perfect way to unwind. These spas feature saunas, hot baths, and relaxation rooms, providing a soothing experience. Jjimjilbangs are popular throughout the country, and some of the best ones are located in Seoul and Busan. You can enjoy a relaxing soak in the hot tubs, followed by an invigorating scrub, all while experiencing Korean spa culture.
6. Attend the Lotus Lantern Festival
The Lotus Lantern Festival, which takes place in April or early May, is one of South Korea’s most beautiful cultural events. The festival celebrates Buddha’s birthday and features colorful lantern displays, parades, and performances. The event is held in various cities, with the largest celebration taking place in Seoul. Visitors can admire the lantern displays, participate in traditional activities, and experience the rich cultural heritage of Buddhism in South Korea.
7. Food Tours in South Korea
April is a great time to enjoy South Korea’s delicious cuisine. Spring produce, such as fresh vegetables, herbs, and seafood, is abundant during this time. Consider taking a food tour in Seoul or Busan to taste popular Korean dishes like bibimbap, bulgogi, and kimchi. You can also try seasonal treats, including spring rolls and rice cakes made from new crops. Food markets, such as Gwangjang Market in Seoul or Jagalchi Market in Busan, offer an authentic experience for food lovers.