Last updated: October 30, 2025
In Daejeon, South Korea, December brings a chilly ambiance, where the maximum temperature reaches a mild 16°C (61°F), while the average temperature hovers around a crisp 1°C (34°F). The month can experience biting cold, with temperatures dropping to a minimum of -14°C (6°F). Despite the chill, precipitation amounts are relatively low at 26 mm (1.0 in), distributed across only four rainy days, making this month one of sporadic moisture amidst the colder climate. Additionally, the humidity level remains steady at 74%, contributing to the brisk yet invigorating winter atmosphere of the city.
As December settles over Daejeon, South Korea, the city experiences a noticeable dip in temperatures, setting the stage for a chilly winter. With minimum temperatures plummeting to -14°C (6°F), residents can expect a stark contrast to the milder fall months. The average temperature rests at just 1°C (34°F), highlighting a clear shift into the heart of winter, while daytime highs manage to reach a brisk 16°C (61°F). This month marks a transition in Daejeon’s climate, where the coldest days are accompanied by a crispness in the air, making it perfect for cozy gatherings and festive cheer as the year draws to a close.
In December, Daejeon experiences a slight dip in precipitation, recording 26 mm (1.0 in) over just four days of rainfall. This marks a continuation of the trend seen in late autumn, where precipitation amounts decrease following the heavy rains of summer, which often peak in July and August with totals of 214 mm (8.4 in) and 221 mm (8.7 in), respectively. As the year concludes, the city's weather transitions to a drier pattern, making December's modest rainfall a typical feature of the winter season, contrasting sharply with the vibrant wet months that precede it.
In Daejeon, South Korea, December marks a notable transition as the humidity levels begin to taper off from the peak summer months. Reaching 74%, December's humidity provides a refreshing contrast to the sweltering highs of 91% experienced in July and August. This gradual decline is consistent with the trend observed throughout autumn, where the humidity hovered around the 79% to 80% range in October and November. As winter approaches, the overall comfort level improves, making December a month where the air feels less oppressive, despite the lingering moisture reminding residents of the humid summer just past.
As December rolls into Daejeon, South Korea, the UV Index dips back to a moderate level of 3, reminiscent of the earlier winter months. With a burn time of 30 minutes, sun exposure during this time is manageable yet requires caution, particularly on clear days. This decline in UV intensity marks a distinct contrast from the extreme highs experienced in the summer months of June, July, and August, when levels soared to 11 and 12. As we transition into winter, the trend shifts towards lower UV levels, urging residents and visitors alike to enjoy the outdoors while being mindful of sun safety. For more detailed insights into UV conditions in your area, visit Daejeon UV Index.
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December in Daejeon, South Korea, offers a delightful dose of sunshine, illuminating an otherwise chilly winter month with approximately 236 hours of bright daylight. While sunlight in December reflects a slight decrease compared to the vibrant spring and summer months, it remains consistent with earlier winter days, such as November's 229 hours. This pattern signifies a moderate decline in sunshine as the year draws to a close, contrasted by the peak abundance of 303 hours in May. As the season shifts, December's sunlight provides a gentle reminder of nature's cyclical rhythm, inviting both reflection and warmth amidst the colder temperatures.
In December, Daejeon, South Korea, experiences a promising 60% chance of sunny weather, making it one of the brighter months of the year. This marks a noticeable increase from the lower percentages seen in the summer months, where sun chances dip to a mere 26-28% in July and August. As the year winds down, the likelihood of clear skies gradually rises, beginning with 51% in October and climbing steadily through November. This trend reflects the overall pattern of increasing sun probabilities as the seasons transition, providing a delightful contrast to the gloomier mid-summer days. December’s sunny prospects are not only uplifting but also invite opportunities to enjoy outdoor festivities against a backdrop of crisp winter air.
As the year draws to a close, Daejeon, South Korea experiences a notable decrease in daylight duration, with December offering just 9 hours of sunlight. This trend reflects a gradual decline from the 14 hours of daylight enjoyed during the peak of summer in June and July. Throughout the autumn months of October and November, daylight dwindles steadily, culminating in December's shorter days. Interestingly, the year starts off with a similar pattern; January also sees 9 hours of daylight, highlighting a cyclical rhythm where winter's brevity contrasts sharply with the longer and lighter days of spring and summer. This seasonal variation beautifully illustrates nature's passage through the year in Daejeon, inviting residents to embrace the cozy charm of winter.
As December settles in Daejeon, South Korea, the wind whispers a gentle farewell to the year, with an average speed of 2.7 m/s (6 mph). This slight uptick from the calmer summer months, where winds hovered around 2.1 m/s, signifies a subtle transition as the city welcomes the chill of winter. Interestingly, December's breeze is reminiscent of earlier autumn, with similar speeds observed in November. This trend suggests a consistent, albeit mild, wind presence throughout the year, allowing residents to enjoy seasonal changes without the harshness of strong gusts. As the year draws to a close, the December wind carries a soft, cool promise of the winter ahead.
Weather in Daejeon varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Daejeon, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Daejeon range from a chilling minimum of -14°C (6°F) to a maximum of 16°C (61°F), with an average of around 1°C (34°F). The month typically sees about 26 mm (1.0 in) of precipitation over four days, coupled with a humidity level of 74%. In contrast, January witnesses colder conditions, with minimum temperatures dropping to -19°C (-2°F) and a maximum of 13°C (57°F). The average temperature sits at -1°C (31°F), and precipitation slightly decreases to 23 mm (0.9 in) over the same four-day span, along with a marginally lower humidity of 71%. For more insights on January weather, check Daejeon weather in January.
In December, the weather varies from a minimum of -14°C (6°F) to a maximum of 16°C (61°F), with an average temperature of 1°C (34°F). This month experiences about 26 mm (1.0 in) of precipitation over four days and maintains a humidity level of 74%. In contrast, February sees slightly colder nights with a minimum of -15°C (5°F) but enjoys warmer daytime temperatures, peaking at 21°C (71°F) and averaging the same as December at 1°C (34°F). February also experiences increased precipitation of 35 mm (1.4 in) over four days, but humidity drops to 65%. For more details on February's weather, you can visit Daejeon weather in February.
December and March weather in Daejeon present a striking contrast. In December, temperatures can drop as low as -14°C (6°F) with an average around 1°C (34°F), while reaching a maximum of 16°C (61°F). The month sees about 26 mm (1.0 in) of precipitation over approximately 4 days and maintains a humidity level of 74%. Conversely, March warms up significantly with minimum temperatures of -5°C (24°F), an average of 8°C (46°F), and highs reaching up to 24°C (75°F). Precipitation increases to 63 mm (2.5 in) over 7 days, but humidity decreases to 65%. For a more detailed look at the weather patterns, check out Daejeon weather in March.
In December, temperatures in Daejeon can be quite chilly, with a minimum of -14°C (6°F) and an average of around 1°C (34°F), reaching a maximum of 16°C (61°F). The month experiences relatively low precipitation, with about 26 mm (1.0 in) over four days and a humidity level of 74%. In contrast, April brings a significant warming trend, with minimum temperatures rising to -1°C (30°F) and average highs reaching 29°C (85°F). Preciptation also increases during this time, amounting to 66 mm (2.6 in) over six days, with humidity slightly higher at 75%. For more details on the weather during this vibrant spring month, check out Daejeon weather in April.
In December, the weather in Daejeon is characterized by much colder temperatures, with minimums dropping to -14°C (6°F) and an average of just 1°C (34°F). Despite a relatively low average precipitation of 26 mm (1.0 in) over about 4 days, the humidity remains high at 74%, contributing to a brisk winter atmosphere.
In contrast, May brings a significant warming trend, with minimum temperatures rising to 4°C (39°F) and average temperatures reaching a pleasant 18°C (65°F). The month sees an increase in both rainfall and humidity, totaling 82 mm (3.2 in) across approximately 9 days and humidity levels climbing to 81%. This makes May a much wetter and warmer month compared to December. For more detailed weather insights, check out Daejeon weather in May.
December and June present striking contrasts in weather. In December, temperatures can drop as low as -14°C (6°F), with an average of 1°C (34°F) and a maximum of 16°C (61°F). The month sees relatively low precipitation of 26 mm (1.0 in) over just four days, combined with a humidity level of 74%. In contrast, June boasts much milder temperatures, with a minimum of 11°C (52°F), an average of 23°C (73°F), and peaks reaching up to 35°C (95°F). The precipitation increases significantly to 97 mm (3.8 in) over eight days, accompanied by higher humidity at 85%. For more detailed insights on June weather, you can visit Daejeon weather in June.
The weather in December and July presents a stark contrast in terms of temperature and precipitation. December features cold temperatures, with a minimum of -14°C (6°F) and an average of 1°C (34°F), while July boasts much warmer conditions, with an average temperature of 26°C (78°F) and highs reaching up to 38°C (100°F). Additionally, December experiences relatively low precipitation of 26 mm (1.0 in) over just 4 days, whereas July sees significantly higher rainfall at 214 mm (8.4 in) across 16 days, contributing to its high humidity of 91%. For a closer look at July conditions, you can check this link: Daejeon weather in July.
When comparing the weather in December and August, a stark contrast emerges. December experiences colder temperatures, with a minimum of -14°C (6°F) and an average of 1°C (34°F), whereas August boasts a much warmer climate, featuring a minimum of 16°C (61°F) and an average of 27°C (80°F). Precipitation levels also differ significantly: December sees only 26 mm (1.0 in) over 4 days, while August receives 221 mm (8.7 in) spread across 16 days, making it the wetter month. Additionally, humidity levels are higher in August at 91%, compared to December's 74%. For more insights on the weather during this summer month, you can check Daejeon weather in August.
In December, temperatures in Daejeon can drop significantly, with a minimum of -14°C (6°F) and an average of 1°C (34°F), while maximum temperatures reach only up to 16°C (61°F). The month experiences relatively low precipitation, averaging just 26 mm (1.0 in) over about 4 days, and the humidity hovers around 74%. In contrast, September offers much warmer conditions, with minimum temperatures of 9°C (49°F) and an average high of 21°C (70°F) that can peak at 30°C (87°F). This month is also much wetter, with total precipitation reaching 176 mm (6.9 in) over 9 days, and humidity slightly higher at 77%. For more details, check out Daejeon weather in September.
In comparing December and October weather, December presents much colder conditions with average temperatures hovering around 1°C (34°F), while October enjoys milder temperatures, averaging 15°C (59°F). The maximum temperature in December reaches 16°C (61°F), a sharp contrast to October's peak of 31°C (88°F). Additionally, October is significantly wetter, receiving 68 mm (2.7 in) of precipitation over 5 days, compared to December's 26 mm (1.0 in) over just 4 days. Humidity levels are somewhat similar, with December at 74% and October slightly higher at 79%. For more details on temperatures and conditions, check out Daejeon weather in October.
In December, the weather takes a distinct turn, with lower temperatures ranging from a minimum of -14°C (6°F) to a maximum of 16°C (61°F), averaging around 1°C (34°F). This is a marked drop compared to November, where temperatures hover between -4°C (24°F) and 21°C (70°F), with a milder average of 8°C (47°F). Additionally, December experiences less precipitation, with 26 mm (1.0 in) over 4 days, compared to November's 36 mm (1.4 in) over 5 days. Humidity also decreases slightly in December to 74%, in contrast to November's higher level of 80%. For more details on November's weather, refer to Daejeon weather in November.
As December arrives in Daejeon, the weather ushers in a notable transition, characterized by cooler temperatures and increased humidity. With average temperatures hovering around 1°C, the month starkly contrasts the milder conditions of earlier autumn months, often dipping to a brisk -14°C during the nights. Alongside this chill, December experiences a modest amount of rainfall, seeing around 26 mm over just a few days, making it a month of quiet, crisp days. This shift not only enhances the festive atmosphere but also marks the onset of winter, prompting locals and visitors alike to embrace cozy clothing and seasonal festivities. For a deeper understanding of how Daejeon's climate shapes its seasons, check out Daejeon Climate.