Last updated: October 30, 2025
In December, Busan, South Korea experiences a mix of cool and crisp weather, with average temperatures hovering around 7°C (46°F). Visitors can expect a maximum of 18°C (64°F) on pleasant days, while chilly evenings can drop to a minimum of -4°C (25°F). The month sees about 25 mm (1.0 in) of rain spread across three days, contributing to a humidity level of approximately 73%. This seasonal transition offers a unique opportunity to enjoy the city's urban charm amidst the fresh winter air.
As December sets in, Busan experiences a notable chill, with temperatures ranging from a brisk -4°C (25°F) at night to a comfortable 18°C (64°F) during the day. This month marks a distinct drop from the milder conditions of November, where the average temperature hovers around 14°C (57°F). The transition into winter is highlighted by the city’s average temperature of 7°C (46°F), signaling the arrival of colder weather as it beautifully contrasts with the warmer summer months. Although the temperatures are cooler, December in Busan brings a unique charm, inviting locals and visitors alike to enjoy the festive spirit while bundled up in cozy attire.
December in Busan, South Korea, marks a transition into the winter months, characterized by relatively low precipitation levels. With only 25 mm (1.0 in) of rain falling over just three days, this month wraps up the year with a notable decrease in moisture compared to the vibrant summer, where rainfall peaks at 249 mm in July. As the city shifts from the earlier months of heavy precipitation—such as June and September, which each see over 245 mm—December’s chilly winds bring a sense of calm. This trend highlights a clear seasonal shift, with December's rainfall being among the lowest, thus offering a drier end to the annual weather pattern.
In December, Busan, South Korea, experiences a relatively moderate humidity level of 73%, slightly lower than the monthly peak seen during the summer months. As the year progresses, humidity levels generally rise from January's 72% to a staggering 95% in July, illustrating the city's climatic shift towards a more tropical feel during the summer. After peaking in midsummer, humidity begins to retreat, gradually descending through the fall, with December maintaining a balance that signals both the chill of winter and lingering moisture in the air. This trend reflects a broader pattern where humid conditions intensify mid-year and diminish as the year winds down, offering a unique climate experience that blends seasonal transitions with coastal influences.
In December, Busan experiences a UV Index of 3, categorized as moderate. This drop from the higher indices of the summer months is a welcome respite, offering a burn time of 30 minutes. The trend throughout the year shows a significant peak during the summer, with indices reaching as high as 12 in July and August under extreme exposure. As the seasons shift towards winter, the UV levels lower considerably, allowing for safer outdoor activities compared to the intensity felt in earlier months. For more detailed insights on Busan’s UV levels throughout the year, check out Busan UV Index.
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In Busan, South Korea, December glimmers with 244 hours of sunlight, marking a gentle conclusion to the year's brightness. This month showcases a serene transition from the sun-drenched days of summer to the cooler, cloudier winters. Following the summer peaks in May and August, which boast an impressive 295 and 290 hours respectively, the decline in daylight hours becomes evident, yet December maintains a respectable luminosity. Compared to the early winter months of January and February, December offers a comforting middle ground, with more sunlight than January's 196 hours but slightly less than February's 239 hours. Overall, December's sunshine is a pleasant reminder of the vibrant days past, as it sets the stage for the quieter beauty of winter ahead.
In Busan, South Korea, December boasts a notable increase in sunny weather, with a 73% chance of sunshine that month, making it one of the sunniest periods of the year. This upward trend is particularly striking when compared to the milder months preceding it; November also shows a solid 68% likelihood, but December outshines it as winter sets in. As we look back over the earlier months, we see a progressive decline in sunny days from spring through summer, with the chances dropping to as low as 23% in July. Notably, there’s a significant recovery in the fall, with October reaching 57% before December enjoys its bright peak. This delightful winter sunshine offers a cheerful contrast to the cooler temperatures, making December an appealing time to explore the scenic beauty of Busan.
In Busan, South Korea, the daylight duration experiences a distinct ebb and flow throughout the year, characterized by gradual transitions between the seasons. Starting strong in the spring, daylight reaches its peak in May and June with around 14 hours of sunlight, inviting outdoor activities and vibrant city life. As summer gives way to autumn, the daylight hours steadily decline, showcasing a gentle descent to 10 hours by November. By December, the city embraces the shortest days of the year, offering just 9 hours of daylight. This seasonal rhythm not only reflects the changing climate but also influences the daily lives of Busan's residents, fostering a unique connection with nature as they adapt to the varying light.
As December settles in Busan, South Korea, the average wind speed picks up to 6.3 m/s (14 mph), providing a brisk reminder of winter's arrival. This month marks a transition as the winds retain a moderate strength compared to earlier in the year, reaching their peak in January and February with averages of 6.6 m/s and 6.9 m/s respectively. Interestingly, the region experiences a gradual decline in wind intensity during the summer months, with July and August witnessing lower speeds of 5.2 m/s (12 mph). However, as the cooler temperatures return in autumn, September sees a notable rise again to 6.7 m/s (15 mph), highlighting a pattern where wind speeds fluctuate throughout the year, reflecting the dynamic climate of this vibrant coastal city.
Weather in Busan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Busan, focusing on differences in temperature, rainfall, humidity, and UV levels.
December weather in Busan features milder conditions with average temperatures hovering around 7°C (46°F) and minimums dipping to -4°C (25°F). In contrast, January is slightly colder, with average temperatures around 6°C (43°F) and minimum temperatures reaching as low as -7°C (20°F). Precipitation is also more prevalent in January, totaling 38 mm (1.5 in) over four days, compared to December's 25 mm (1.0 in) over three days. Both months experience high humidity, but December sees a marginally higher level at 73% compared to January's 72%. For more details, you can check Busan weather in January.
In comparing the weather conditions of December and February, both months exhibit generally cool temperatures, but February tends to be slightly chillier. December's temperatures range from a minimum of -4°C (25°F) to a maximum of 18°C (64°F), averaging around 7°C (46°F). In contrast, February starts with a minimum temperature of -5°C (24°F) and peaks at 16°C (61°F), with a similar average of 7°C (44°F). Precipitation is also a notable difference; December sees about 25 mm (1.0 in) of rain over 3 days, while February experiences increased rainfall at 46 mm (1.8 in) spread across 4 days. Humidity levels are relatively close, with December at 73% and February at 67%. Thus, while both months are characterized by cool weather, February tends to be a bit wetter and slightly colder, making it an interesting period for weather enthusiasts. For more detailed insights into February weather, check out Busan weather in February.
In December, the weather is generally colder, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 18°C (64°F) and an average of 7°C (46°F). This month experiences relatively low precipitation, totaling 25 mm (1.0 in) over just 3 days, alongside a higher humidity level of 73%.
In contrast, March brings a slight warming trend, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 16°C (62°F) and an average of 11°C (51°F). However, March is significantly wetter, receiving 100 mm (3.9 in) of rainfall spread over 8 days, while humidity decreases to 65%. For further insights, check out Busan weather in March.
In December, the weather is cooler with temperatures ranging from a minimum of -4°C (25°F) to an average of 7°C (46°F) and reaching a maximum of 18°C (64°F). The month sees relatively low precipitation, totaling about 25 mm (1.0 in) across just 3 days, and the humidity hovers around 73%.
In contrast, April brings milder weather with temperatures ranging from a minimum of 6°C (42°F) to an average of 14°C (57°F), peaking at 19°C (66°F). However, rainfall is significantly higher, with 114 mm (4.5 in) recorded over 7 days, and humidity slightly increasing to 75%. This comparison highlights the transition from the crisp, cooler December to the wetter and warmer April, making it a crucial time for seasonal changes. For more details on the April weather, check out Busan weather in April.
December weather features cooler temperatures, with average highs reaching only 18°C (64°F) and chilly lows dipping as low as -4°C (25°F). The month sees relatively low precipitation, with only 25 mm (1.0 in) falling over about three days, and humidity levels resting at 73%. In contrast, May offers much warmer conditions, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 22°C (71°F). May is also significantly wetter, with 113 mm (4.5 in) of precipitation over approximately seven days and humidity rising to 83%. For a more in-depth look at May weather in Busan, visit Busan weather in May.
December and June display stark contrasts in weather patterns. In December, temperatures range from a chilly -4°C (25°F) to a mild 18°C (64°F), with an average of 7°C (46°F) and relatively low precipitation of 25 mm (1.0 in) falling over just 3 days. The humidity is a moderate 73%, making the air feel brisk but not overly damp.
In contrast, June brings warmer temperatures, with minimums sitting at 16°C (62°F) and highs reaching up to 25°C (78°F), averaging around 20°C (69°F). Rainfall significantly increases to 167 mm (6.6 in) across 8 days, and humidity rises to 87%, creating a noticeably humid atmosphere. For more detailed insights, you can visit Busan weather in June.
In December, the weather is much cooler, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 18°C (64°F) and an average of 7°C (46°F). The month sees relatively low precipitation, with only 25 mm (1.0 in) over three days and a humidity level of 73%.
In contrast, July experiences significantly warmer temperatures, ranging from a minimum of 19°C (66°F) to a maximum of 30°C (87°F), with an average of 24°C (76°F). However, this month is also much wetter, with 249 mm (9.8 in) of precipitation spread over 13 days and a high humidity of 95%. The dramatic difference in weather between these two months highlights the seasonal transition from cold to warm. For more detailed information about the weather during this month, you can check Busan weather in July.
In December, temperatures in Busan are much cooler, with average highs reaching only 18°C (64°F) and lows dipping down to -4°C (25°F). The month typically sees about 25 mm (1.0 in) of precipitation over just three days, accompanied by a humidity level of 73%. In contrast, August delivers warm and humid weather, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 31°C (88°F). This month is significantly wetter, receiving around 158 mm (6.2 in) of rainfall over 13 days and experiencing higher humidity levels at 93%. For more details, visit Busan weather in August.
In comparing the weather between December and September, December typically features much cooler temperatures, with a minimum of -4°C (25°F) and an average temperature of 7°C (46°F), while September enjoys significantly warmer conditions with a minimum of 17°C (63°F) and an average of 23°C (75°F). Additionally, December sees considerably less precipitation, averaging only 25 mm (1.0 in) over 3 days, compared to September, which experiences considerably higher rainfall at 245 mm (9.6 in) spread across 11 days. Humidity levels also differ slightly, with December at 73% and September higher at 80%. For more detailed insights into September weather, you can refer to Busan weather in September.
When comparing the weather in December and October, there is a noticeable shift in temperatures and precipitation levels. December brings cooler temperatures, with a minimum of -4°C (25°F) and an average of 7°C (46°F), compared to October's milder conditions, where temperatures range from a minimum of 9°C (49°F) to an average of 19°C (67°F) and a maximum of 26°C (78°F). Additionally, October experiences significantly more rainfall, accumulating 91 mm (3.6 in) over five days, while December sees only 25 mm (1.0 in) over three days. The humidity is also slightly lower in December at 73%, compared to October's 77%. For more details on the weather in October, you can check out Busan weather in October.
The weather in December tends to be cooler compared to November, with average temperatures dropping from 14°C (57°F) in November to 7°C (46°F) in December. Minimum temperatures in December can dip as low as -4°C (25°F), while November stays relatively mild with a minimum of 3°C (38°F). Both months experience similar precipitation levels, around 25 mm (1.0 in) over three days, but December's increased chilliness may make it feel wetter. Humidity is slightly lower in December at 73%, compared to 75% in November. For more on November's weather, you can check Busan weather in November.
As December settles in, Busan transforms, offering a unique climate compared to the warmer months of the year. With temperatures averaging around 7°C (46°F), it brings a refreshing chill that contrasts sharply with the summer heat, making it an ideal time for those who prefer cooler weather. While the city experiences only a modest amount of precipitation over just a few days, humidity levels remain high, enhancing the crispness of the air. This month also marks the transition into winter, where the occasional dip below freezing adds a touch of frost to the coastal charm of Busan. For more insights on what to expect throughout the year, check out Busan Climate.