March in Korea is anything but boring. If you’re planning a trip and wondering what to expect from Korea weather in March, here’s the honest answer. it sometimes changes quickly, sometimes dramatically.
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Click on the city you’re curious about to see the weather in March
In 2025, March began with steady spring rain, dipped into a brief cold snap, surged into near summer-like heat, and then cooled down again before the month ended. It was a dynamic, almost theatrical transition from winter to spring. For travelers, this means preparation is key. Let’s walk through what March really feels like across five major destinations: Seoul, Busan, Gangneung, Gyeongju, and Jeju Island.
March marks the official start of spring in Korea. However, geographically and climatically, Korea sits in a transitional zone between cold Siberian air masses and warmer Pacific systems. That tug-of-war creates rapid changes.
Key Climate Features Of Korea weather in March
- Early spring rainfall
- Sudden temperature swings
- Occasional late cold snaps (“꽃샘추위” – spring cold spell)
- Brief periods of early summer-like warmth
- Noticeable regional differences between inland, coastal, and southern areas
Korea weather in March – Seoul
In 2025, rainfall dominated early March nationwide. Mid-month, temperatures dropped below freezing in some areas. By the fourth week, daytime highs exceeded 20°C (68°F) across the country. Then, almost as quickly, temperatures fell again at month’s end. It’s a month that keeps you guessing.
Located in the northwest of South Korea, inland and surrounded by mountains, Seoul experiences more noticeable temperature swings than coastal cities. Cold air lingers longer here, especially in early mornings.
Seoul started March wet and chilly. On March 2 and 3, rainfall reached 11.8mm and 10.4mm respectively. Mid-month, on March 17, temperatures dropped to -1.3°C (29.7°F), marking the coldest week of the month. Then came a dramatic warm-up, On March 23, the daytime high soared to 24.0°C (75.2°F). By March 30, it cooled sharply again to 7.6°C (45.7°F).
Compared to southern cities like Busan or Jeju, Seoul’s temperature range was wider and more unpredictable.
What Should You Wear in Seoul in March?
- Layering is your best friend.
- Light sweater or knit top
- Medium-weight coat or trench
- Scarf for early mornings
- Comfortable sneakers
- Optional: light down jacket for mid-March evenings
Pro tip: Don’t trust the afternoon sun alone, mornings can still bite.
Korea weather in March – Busan
Located in the southeast, Busan benefits from ocean moderation. The sea softens extremely cold, making winter shorter and spring slightly earlier than in Seoul. March 2025 Overview
Rain fell consistently from March 2 to 4, with 11.3mm recorded on March 3. The coldest morning arrived on March 17 at 0.3°C (32.5°F), but it didn’t feel as harsh as Seoul’s sub-zero chill. The fourth week brought real spring vibes—March 23 peaked at 22.2°C (72.0°F). From March 21 to 27, daytime temperatures remained above 15°C (59°F). Late March turned cloudier and slightly cooler. Compared to inland cities, Busan was overall milder and more stable.
What to Pack for Busan
- Light jacket
- Long-sleeve tops
- Thin cardigan
- Sunglasses for sunny afternoons
- Umbrella (early March especially)
- The breeze by the beach can feel cooler than city streets.
Korea weather in March – Gangneung
Gangneung sits along the East Sea (Sea of Japan), exposed to ocean winds but also influenced by mountain systems. Weather here can swing dramatically.
From March 2 to 5, Gangneung received over 50mm of accumulated rainfall—one of the heaviest among the five cities. On March 19, temperatures dropped to -3.2°C (26.2°F), the coldest reading among all cities discussed. Then, almost shockingly, March 24 saw highs of 24.6°C (76.3°F). Another heavy rainfall of 23.7mm hit on March 28, cooling temperatures again.
What to Wear in Gangneung
- Waterproof jacket
- Layered tops
- Warm inner layer for mid-month
- Comfortable walking shoes
- Be ready for both sunshine and sudden showers.
Korea weather in March – Gyeongju
Gyeongju is inland in southeastern Korea. Inland regions experience bigger temperature gaps between day and night. Compared to Seoul, Gyeongju felt hotter during warm spells and colder during cold mornings.
After light rain from March 2 to 4, Gyeongju felt a sharp cold morning on March 17 at -1.9°C (28.6°F). But here’s the twist: on March 23, temperatures skyrocketed to 27.8°C (82.0°F), the highest among inland cities. Even March 25 remained extremely warm at 27.3°C (81.1°F). By the end of the month, temperatures returned to the low 10s°C (low 50s°F). You may experience both spring and summer in one trip.
Recommended Clothing
- Light layers
- Breathable tops for late March
- Compact jacket
- Hat or cap for sunny afternoons
- You may experience both spring and summer in one trip.
Korea weather in March – Jeju Island
Jeju Island, Korea’s southernmost region, has a mild maritime climate. It rarely experiences freezing temperatures.
Compared to mainland cities, Jeju was consistently warmer and more humid.
Jeju saw significant rainfall- 25.5mm on March 3 and 16.3mm on March 4. Another 24.6mm fell mid-month. The lowest temperature recorded was 2.6°C (36.68°F) on March 16, meaning it never dropped below freezing. On March 25, temperatures peaked at 28.8°C (83.8°F)—the highest among all five cities. In late March, short sleeves may feel completely natural.
What to Pack for Jeju
- Light jacket
- T-shirts for warm afternoons
- Raincoat
- Walking shoes
- Light sweater for evenings
FAQs: Korea Weather in March
- Is March a good time to visit Korea?
Yes. You’ll avoid peak tourist crowds while enjoying early cherry blossoms and mild weather.
- Does it snow in Korea in March?
Rarely, but early March can still feel wintry in northern cities like Seoul.
- Is Korea weather in March cold?
It depends on the region and timing. Early mornings can be near freezing, but afternoons may reach 20–28°C (68–83°F).
- What month do cherry blossoms bloom?
Usually late March to early April. Timing varies by city.
- Should I bring a heavy winter coat?
Not necessary for late March, but a medium-weight coat is useful for early mornings.
- Which city is warmest in March?
Jeju Island typically records the highest temperatures.
Final Thoughts on Korea Weather in March
So far, we’ve explored the dynamic nature of March across Seoul, Busan, Gangneung, Gyeongju, and Jeju. From spring rain to sudden heatwaves, Korea weather in March keeps travelers alert—but also delighted. It’s a month of transition. A season in motion. And if you pack wisely, you’ll experience Korea at a fascinating turning point.
This has been your Seoulmate, Renny.
Curious about other seasons in Korea? Come visit again!