Busan Temperature Market Guide

RKPK • Gimhae International Airport

Polymarket

Busan, South Korea's second-largest city and largest port, offers a humid subtropical climate moderated by the sea. Located on the southeastern coast, Busan experiences milder winters than Seoul and warm, humid summers.

Quick Facts

Station Code	`RKPK`
Location	Busan, South Korea
Coordinates	35.1795°N, 128.9383°E
Elevation	6 ft (2 m)
Timezone	KST (Asia/Seoul)
NWS Office	Korea Meteorological Administration

About RKPK Weather Station

Gimhae International Airport (RKPK) serves as the primary weather observation station for the Busan metropolitan area. Located about 15 kilometers west of central Busan, the airport sits at just 6 feet (2 meters) elevation near the Nakdong River delta.

Busan's coastal position on the Korea Strait provides significant maritime moderation. The Korea Meteorological Administration maintains official observations.

Climate Patterns

Busan has a humid subtropical climate (Koppen: Cfa) with hot, humid summers and mild winters. The sea moderates temperatures compared to inland Korea.

Summer highs reach 29-31�C (84-88�F) with high humidity. The East Asian monsoon brings heavy rainfall in summer. Winters are mild with highs around 7-10�C (45-50�F).

Typhoons occasionally affect the area from July through September.

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Seasonal Trading Considerations

Winter (December - February): Mild with highs 7-10�C (45-50�F). Cold waves from Siberia can briefly bring freezing temperatures.

Spring (March - May): Gradual warming. Pleasant conditions with occasional yellow dust from China.

Summer (June - August): Hot and humid with highs 28-31�C (82-88�F). Monsoon rains June-July. Typhoon risk.

Autumn (September - November): Cooling gradually. Often the most pleasant season.

Trading Tips for Busan

Busan's coastal location keeps it milder than Seoul in winter and slightly cooler in summer.

The summer monsoon (Jangma) brings extended cloudy, rainy periods in June-July that suppress temperatures.

Typhoons can bring dramatic weather changes from July through September.

Cold air outbreaks from Siberia can briefly override the maritime moderation in winter.

Data Release Schedule

Typical release times for key data products at RKPK. Times shown in UTC.

Data Type	Typical Time (UTC)	Variability
METAR Hourly observations	Hourly at :53	±1 min

6-Hour High/Low Reports

These METARs include 6-hour maximum and minimum temperatures, useful for tracking intraday temperature trends.

00:53 UTC

06:53 UTC

12:53 UTC

18:53 UTC

Note: Times are approximate and may vary. CLI reports are the official resolution source for temperature markets. See NWS Data Guide for more information.

Forecasting Challenges

Monsoon Intensity: The strength and duration of summer monsoon rains affects temperatures.

Typhoon Effects: Tropical systems create forecast uncertainty in late summer.

Cold Air Outbreaks: Siberian high pressure can bring brief but intense cold in winter.