Climate Overview
The climate in Busan / Gimhae International Airport is temperate. The average annual temperature is 15°C and approximately 1373mm of precipitation falls per year. July is the wettest month, receiving around 230mm of rainfall. Busan / Gimhae International Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, December, February, when temperatures can drop to -2°C.
Temperature
Temperatures in Busan / Gimhae International Airport vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 27°C. The coldest month is January, when overnight lows fall to -2°C and the daily average is 2°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 7°C shift in average temperatures.
Precipitation
Busan / Gimhae International Airport is a fairly wet location, receiving approximately 1373mm of precipitation annually, which averages out to around 114mm per month. The wettest month is July, averaging 230mm of rainfall. September and August also tend to see above-average precipitation. The driest month is December, with just 29mm. That's 201mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Busan / Gimhae International Airport is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Busan / Gimhae International Airport, which began on March 20, 2026. Busan / Gimhae International Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 30°C, while the coldest stretch bottoms out in January near -2°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 4 to 24°C. Precipitation is moderate at around 297mm for the season, averaging 99mm per month. Winds are moderate at around 17km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 19 to 30°C. Rainfall is heavy, totalling around 589mm across the season with a monthly average of 196mm. Winds are moderate at around 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 6 to 26°C. Rainfall is heavy, totalling around 377mm across the season with a monthly average of 126mm. Winds are moderate at around 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -2 to 10°C. Rainfall is relatively light, with around 109mm over the season and a monthly average of 36mm. Winds are moderate at around 17km/h. A warm coat and layers are recommended, especially for early mornings and evenings.
Best Time to Visit
The best time to visit Busan / Gimhae International Airport is during October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 96mm per month. By contrast, August can be uncomfortably hot with highs reaching 30°C, while January is the coldest period with lows dropping to -2°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Busan / Gimhae International Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
