Mornings sit near the overnight low around 11°C with clear, cooler light — best for outdoor photos before crowds build.
Busan Weather in April
Everything you need to know about Busan weather in April
Updated September 10, 2026
Korea · Busan
Busan Weather in April
April in Busan is mild, clear and pleasantly walkable. Expect daytime highs around 18°C (64°F), mild nights around 11°C, long sunny stretches, and the city at its most magical and most crowded Check the full climate tables below for monthly averages and packing cues.
- Avg high / low
- 18°C / 11°C
- 64F / 52F
- Precipitation
- 80mm
- 10 wet days
- Daylight
- 13.5 hrs
- mid-range daylight
Busan average temperatures through the year
AprilRest of the year
8°
9°
13°
18°
23°
27°
31°
32°
28°
21°
15°
10°
JAN
6 wet
FEB
7 wet
MAR
9 wet
APR
10 wet
MAY
10 wet
JUN
12 wet
JUL
10 wet
AUG
9 wet
SEP
8 wet
OCT
6 wet
NOV
5 wet
DEC
5 wet
Daytime highs in Celsius with wet days per month for Busan. April sits at 18°C with 10 wet days.
The short answer
April falls in Busan's spring. Daytime highs average 18°C (64°F) with nights near 11°C (52°F). Precipitation totals about 80mm across roughly 10 wet days. Settling snow is uncommon. Visiting works well if you plan for high crowds Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
April climate in Busan
Monthly averages for Busan, Korea.
- Day high
- 18°C
- 64°F
- Night low
- 11°C
- 52°F
- Precipitation
- 80mm
- 3.1 in
- Wet days
- 10
- rain or drizzle
- Sunrise
- 5:15am
- mid-April
- Sunset
- 6:45pm
- mid-range daylight
- Daylight
- 13.5 hrs
- 7 hrs sunshine
Averages based on long-run monthly climate normals. Last updated September 10, 2026.
Real weeks swing around the 15°C mean. Early April often sits near 18°C while the final week lands closer to 18°C. Pack a spare layer for that 1° drift rather than dressing only for the monthly average Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
Rain and drizzle usually arrive in pulses across the 10 wet days. Dry stretches between systems feel clearer and colder overnight. Use those gaps for outdoor sightseeing and keep indoor backups for the wetter clusters Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
What is the average temperature in Busan in April?
The average temperature in Busan in April is around 15°C (59°F), combining daytime highs of 18°C (64°F) with night lows of 11°C (52°F). The month cools steadily: the first days average highs near 18°C, while the final week typically tops out around 18°C with nights of 11°C.
Average daily high and low through April. The month cools by roughly 1 degrees start to finish.
How much does it rain in Busan in April?
Busan gets around 80mm (3.1in) of precipitation in April, spread over roughly 10 wet days. Wet spells typically last a day or two and clear to drier stretches in between Check the full climate tables below for monthly averages and packing cues.
48
56
72
80
80
96
80
72
64
48
40
40
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
Average precipitation by month in millimetres. April's 80mm sits near the annual rhythm.
Average precipitation by hour of day in Busan
April precipitation in Busan falls fairly evenly around the clock, with a mild overnight and early-morning peak. There is no predictable afternoon-downpour pattern — check the day's forecast rather than timing outings by the clock Check the full climate tables below for monthly averages and packing cues.
12am6am12pm6pm12am
Relative share of April precipitation by hour of day. The distribution is fairly flat, with a mild overnight peak.
When is sunrise and sunset in Busan in April?
April daylight in Busan averages about 13.5 hours, mid-range daylight. Sunrise drifts from 5:15am to 5:21am across the month, while sunset holds near 6:45pm before edging toward 6:49pm. Plan outdoor sightseeing in the brighter midday window Check the full climate tables below for monthly averages and packing cues.
Sunrise and sunset through April. The shaded band is daylight Check the full climate tables below for monthly averages and packing cues.
How humid is Busan in April?
Relative humidity in Busan in April averages around 65 percent. At 18°C that usually feels manageable outdoors. Temperature and wind still drive packing more than humidity alone Check the full climate tables below for monthly averages and packing cues.
55
58
62
65
70
78
80
78
72
65
60
58
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
Average relative humidity by month. April sits near 65%.
What is the weather like in Busan the rest of the year?
Busan moves from cooler months near 8°C highs through a warmer peak near 32°C. The best-weather stretch usually aligns with March and April. April sits in the spring arc with 18°C highs Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
Average high (coral) and low (navy) by month. The shaded band is the typical daily range; APR is marked.
Is April a good time to visit Busan?
Yes — if you accept high crowds. Here is the honest trade-off.
OverallGreat for peak travel
WeatherCool and clear
CrowdsHigh
PricesPeak
Budget (per night)$350 to $500+
Book ahead2 to 3 months
April in Busan is defined by peak season, book ahead and 18°C days. Stays often land in the $350–$500+ range with peak season demand. The smartest move is to book about 2–3 months ahead and keep outdoor blocks in the brighter midday window Check the full climate tables below for monthly averages and packing cues.
Pros
- 18°C highs suit peak days in Busan
- 7h average sunshine for daytime plans
- High crowds shape the April pace
- Peak season rates for stays and flights
Cons
- 10 wet days can pause outdoor sightseeing
- Humidity at 65% can feel heavier than the air temp
- Hotel rates climb fast mid-month
- Daylight near 13.5 hrs shortens evening walks
Travelling to Busan in April?
Book lodgings about 2–3 months ahead, then visit the busiest central sights right at opening on a weekday to skip the mid-afternoon crush first-timers always hit Check the full climate tables below for monthly averages and packing cues. Compare months on our Best Time to Visit Busan guide.
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What April actually feels like
April is Busan's spring in lived terms: peak season, book ahead. Most days feel cold, dry and often clear, with damper grey stretches arriving in bursts rather than settling in for the whole month Check the full climate tables below for monthly averages and packing cues.
The underestimated variable is clustered wet days. It truncates outdoor evenings and pushes dinner earlier. Build one indoor spare block every day Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
Early April often starts near 18°C while the final week trends toward 18°C. That 1° drift is enough to change coat weight mid-trip. Recheck the forecast before packing day seven Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
Afternoons reach 18–19°C before an early sunset near the 13.5-hour daylight limit — plan open-air stops then.
Evenings cool quickly toward 11°C; shift to indoor dining and illuminated streets once the light drops.
April in Busan, week by week
Crowds and prices move more than the thermometer.
April 1–7
18°C (64°F)- Crowds
- High
- Prices
- Peak season
- Best for
- Quieter weekday exploring
April 8–14
18°C (64°F)- Crowds
- High
- Prices
- Peak season
- Best for
- Balanced weather window
April 15–21
18°C (64°F)- Crowds
- High
- Prices
- Peak season
- Best for
- Festive peak atmosphere
April 22–30
18°C (64°F)- Crowds
- High
- Prices
- Peak season
- Best for
- Late-month flexible plans
Temperatures are Busan monthly averages split across each window. Individual years vary by several degrees.
Busan events in April
The fixtures worth timing your trip around, and how they move the crowds.
Through April
APR
Peak demand in Korea
Peak demand reshapes costs and crowds for visitors.
Timing note
Exact dates shift each year. Check dates for your travel year, or let Holi-AI sequence them into your plan automatically.
What to pack and wear for Busan in April
Layers for swingy days
Pack for Busan in April around the 18°C / 11°C swing. The governing rule is stack thin layers. The one item worth buying before you fly is a compact rain shell Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
Essential
- Light jacket
- Comfortable walkers
- Compact umbrella
- Merino mid-layer
Smart additions
- Packable rain shell
- Quick-dry trousers
- Zip pouch for maps
- Thin gloves
Leave behind
- Thick parkas
- Wool sweaters
- Snow boots
Top places to visit in Busan in April
Outdoor icons with shade breaks
City centre · Free
Busan landmark walk
Go early on weekdays for quieter photos and softer light.
Add to your planWaterfront · Free
Harbour or river promenade
Golden hour is the calmest window Check the full climate tables below for monthly averages and packing cues.
Add to your planMuseum quarter · Paid
Flagship museum morning
Weekday openings beat weekend queues and wet-day backups.
Add to your planOld town · Free
Historic streets loop
Late morning light helps cold stone feel less harsh.
Add to your planPark · Free
Central green escape
Shade and benches make longer walks realistic Check the full climate tables below for monthly averages and packing cues.
Add to your planCovered market · Free
Indoor food hall backup
Ideal when wet days interrupt outdoor plans Check the full climate tables below for monthly averages and packing cues.
Add to your plan
Top places to stay in April
Base near the sights that matter in April
Best overall
Central core
Walkable to main sights with easier 13.5-hour daylight logistics Check the full climate tables below for monthly averages and packing cues.
Best value
One transit stop out
Lower rates than the core while staying close for high evenings.
Local feel
Neighbourhood streets
Quieter nights and easier restaurant bookings than the busiest tourist blocks.
Top restaurants to visit in April
Breezy rooms and light seasonal plates
Downtown · Classic
Busan lunch counter
Hearty midday stop when outdoor plans run short on daylight.
Add to your planOld town · Cosy
Neighbourhood bistro
Low light and early dinners match short sunset windows Check the full climate tables below for monthly averages and packing cues.
Add to your planMarket · Casual
Covered market stalls
Fast warm food without a reservation on wet afternoons Check the full climate tables below for monthly averages and packing cues.
Add to your planRiverside · Scenic
Waterfront cafe
Daylight seating works best before the evening chill Check the full climate tables below for monthly averages and packing cues.
Add to your planArts district · Modern
Gallery-side kitchen
Pairs well with museum days when weather turns Check the full climate tables below for monthly averages and packing cues.
Add to your planResidential · Local
Corner noodle or soup spot
Simple, hot bowls that suit cold or humid evenings Check the full climate tables below for monthly averages and packing cues.
Add to your plan
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Busan weather by month
How April compares. Every month links to its full weather guide.
| Month | Avg high | Wet days | Crowds | Cost | Overall | Best for |
|---|---|---|---|---|---|---|
| January | 8°C (46°F) | 6 | Low | Budget | Okay | Cold but dry, fewer tourists |
| February | 9°C (48°F) | 7 | Low | Budget | Okay | Still cold, good for budget travel |
| March | 13°C (55°F) | 9 | Medium | Mid | Great | Mild weather, cherry blossom season |
| April | 18°C (64°F) | 10 | High | Peak | Great | Peak — this guide |
| May | 23°C (73°F) | 10 | High | High | Great | Pleasant temperatures, busy |
| June | 27°C (81°F) | 12 | Medium | Mid | Okay | Rainy season begins |
| July | 31°C (88°F) | 10 | High | High | Okay | Hot and humid, festivals |
| August | 32°C (90°F) | 9 | High | High | Okay | Peak summer heat |
| September | 28°C (82°F) | 8 | Medium | Mid | Great | Cooling down, fewer crowds |
| October | 21°C (70°F) | 6 | High | High | Great | Best weather of the year |
| November | 15°C (59°F) | 5 | High | High | Great | Autumn colours peak |
| December | 10°C (50°F) | 5 | Medium | Mid | Okay | Cold, festive illuminations |
Temperatures shown as Busan monthly averages.
April vs March: April averages 15°C versus 10°C in March — a 5°C warm-up. Crowds shift from Medium to High while pricing moves into peak season. Pick April if you want peak season, book ahead Check the full climate tables below for monthly averages and packing cues.
April vs May: May trends to 20°C, 5°C warmer than April. Expect high crowds and high season rates. Pick May if you prefer pleasant temperatures, busy Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
Want April sun instead?
Need more sun than Busan offers in April?
- 15°C
Seoul in April
A change of scene with comparable April weather. Busan vs Seoul →
- 28°C
Jeju in April
Milder highs near 28°C and easier outdoor days. Busan vs Jeju →
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Busan in April FAQ
Everything you need to know about Busan weather in April
Daytime highs average 18°C (64°F) and nights fall near 11°C (52°F). The monthly mean sits around 15°C. Expect a 1° swing from early to late April Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
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Atualizado em September 10, 2026