December Weather in Chungju, South Korea

Last updated: October 30, 2025

In December, Chungju, South Korea experiences a notable chill, with a maximum temperature reaching 12°C (54°F) and an average of -1°C (31°F). The minimum temperature can plunge to a biting -18°C (1°F), emphasizing the season's stark character. Adding to the winter atmosphere, the city sees 26 mm (1.0 in) of precipitation spread over 5 days, contributing to a humidity level of 76%. Visitors can expect a crisp, cool climate, making it the perfect backdrop for winter activities and picturesque snowy landscapes.

December Temperature in Chungju

In December, Chungju, South Korea, experiences a sharp drop in temperatures, marking the onset of winter's chill. With minimums plunging to -18°C (1°F), the city sees some of its coldest days of the year. The average temperature hovers around -1°C (31°F), providing a stark contrast to the milder autumn months just before it. The maximum temperature reaches a modest 12°C (54°F), indicating that while the days can be slightly warmer, the overall cold sets a wintry tone. This month serves as a transition into the deep freeze of January, following a gradual cooling trend from the relatively mild November temperatures.

December Weather in Chungju: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Chungju, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chungju, December typically has an average temperature of -1°C (31°F), with highs reaching up to 12°C (54°F) and lows dropping to around -18°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec283244536371767768574431
Data source: Temperature data for Chungju generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Chungju

In December, Chungju experiences a modest precipitation total of 26 mm (1.0 in), slightly higher than the more arid winter months but significantly lower than the summer deluge. This amount falls over five rainy days, indicating a gentle but consistent pattern of rainfall as the city transitions into the colder season. Compared to the previous months, December's precipitation serves as a calm finale to a year marked by heavy summer showers, especially in July and August, which often see totals exceeding 200 mm. As winter sets in, the trend shows a gradual decline from the lush summer months towards a drier end of the year, fostering a sense of stillness before the harsher conditions of January and February.

December Precipitation Trends in Chungju

The chart displays monthly precipitation patterns in Chungju, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Chungju, December typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec2333648010489242264157715026
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chungju

In December, Chungju, South Korea, experiences a humidity level of 76%, showcasing a slight decline from the preceding months, which consistently hover around the 80% mark. This trend marks a decrease from the highs of summer, where humidity levels peak at 91% in July and August. As the year winds down, the city's humidity begins to taper off, reflecting the transition into winter. Still, December remains comfortably humid compared to the drier early months of the year, like January and February, when humidity averages around 71% and 66%, respectively. This gradual decline hints at the seasonal shifts, as Chungju balances moisture and comfort throughout the year.

December Average Humidity in Chungju

This chart illustrates the average monthly humidity levels in Chungju, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Chungju is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%66%64%74%79%82%91%91%77%78%80%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chungju

December in Chungju, South Korea, sees a UV Index of 3, categorized as moderate, which translates to a burn time of about 30 minutes for fair-skinned individuals. As we reflect on the year, it's evident that the UV Index experiences a significant shift from the lower values in winter months to the extreme levels encountered during the summer. For example, from April through August, the index peaks dramatically, reaching as high as 12, demanding much shorter exposure times. This fluctuation highlights the importance of seasonal awareness in sun safety practices. As the year closes, those venturing outdoors in December can take comfort in the relatively mild UV levels, making it an ideal time for outdoor activities without the heightened risk of sunburn. For more information on UV trends throughout the year, visit Chungju UV Index.

Maximum UV Index Levels in Chungju for December

The chart shows the monthly maximum UV Index (UVI) for Chungju in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Chungju typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3469911111210743
Data source: Chungju December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Chungju

Amidst the chill of winter, December in Chungju, South Korea, offers a refreshing 239 hours of sunshine, consistent with the previous month and a tonic against the shorter days. As the year winds down, sunshine hours have seen a generally upward trend from January's 199 hours to a peak in June with 310 hours, illustrating how the days grow progressively brighter through spring and summer. Although the year concludes with a slight dip compared to the sun-drenched days of summer, December's radiant hours are a wonderful reminder of nature's rhythm, paving the way for a hopeful start to the new year.

Monthly Sunshine Duration in Chungju: December Highlighted

The December sunshine duration represents the total number of hours Chungju experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec199h239h274h281h304h310h279h264h251h258h233h239h
Data source: Chungju December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chungju During December

In December, Chungju, South Korea, experiences a notable shift in sunny weather likelihood, with a 64% chance of sunshine—a sharp increase compared to the preceding months. This uptick marks December as one of the brighter months in the latter part of the year, particularly following the similar 55% likelihood found in November. As the year culminates, the promise of clearer skies comes as a refreshing change from the summer's lower probabilities, which dip as low as 25% in August. With winter setting in, December stands out as a month where sunny days become more frequent, inviting both residents and visitors to embrace the crisp, bright outdoor atmosphere.

Percentage of Sunny Days in December in Chungju

The chart illustrates the percentage of sunny days in Chungju throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Chungju experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%55%42%43%35%36%28%25%35%46%55%64%
Data source: Chungju December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chungju in December

As the seasons shift in Chungju, South Korea, daylight duration exhibits a dynamic pattern throughout the year. Starting with a modest 9 hours of daylight in January, the days gradually lengthen, peaking at an impressive 14 hours during the summer months of May through July. This vibrant stretch of sunlight gives way to a gentle decline, as daylight hours start to taper off, returning to 11 hours in October, and down to 9 hours again by December. This cyclical transition not only shapes the local environment but also influences the rhythm of daily life, marking a journey from the brightness of summer to the serene stillness of winter.

Average Daylight Hours in Chungju for December

The chart illustrates the variation in daylight duration in Chungju throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 55m10h 49m11h 57m13h 8m14h 8m14h 38m14h 23m13h 31m12h 23m11h 12m10h 11m9h 39m
Data source: Chungju daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Chungju

In December, Chungju, South Korea experiences a refreshing average wind speed of 2.8 m/s (6 mph), similar to the calming breezes of January and November. This is a subtle rise from the warmer months when winds tend to be gentler, dipping as low as 1.7 m/s (4 mph) in July and August. The gradual increase in wind speeds as the year wraps up reflects the onset of winter, ushering in a crispness that invigorates the town. Overall, while the winds are mild throughout the year, December's breezes carry with them a touch of the season's chill, setting the stage for the serene beauty of the cold months ahead.

Average December Wind Speed in Chungju

The chart displays monthly wind speed patterns in Chungju, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.12.52.62.51.91.71.82.21.92.52.8 m/s
Data source: Chungju December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Chungju Compares to Other Months

Weather in Chungju varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chungju, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, the weather exhibits a mild range with an average temperature of -1°C (31°F), while January sees a slight drop to an average of -2°C (28°F). Both months experience minimum temperatures of -18°C, but December has a higher maximum temperature of 12°C (54°F) compared to January's 11°C (53°F). Precipitation levels are somewhat similar, with December receiving 26 mm over 5 days and January slightly less at 23 mm over 4 days. Additionally, humidity levels are higher in December at 76%, compared to 71% in January, contributing to a colder feel in the first month of the year. For more information on January weather in Chungju, you can visit Chungju weather in January.

December and February showcase notable differences in weather despite their proximity in the winter season. December experiences a colder climate, with average temperatures hovering around -1°C (31°F) and a minimum that drops to -18°C (1°F). Meanwhile, February sees a slight warming trend, with average temperatures rising to 0°C (32°F) and a higher maximum of 19°C (67°F). In terms of precipitation, February records 33 mm (1.3 in) over 4 days, which is somewhat higher than December's 26 mm (1.0 in) spread across 5 days. Additionally, February's humidity is lower at 66%, compared to December's 76%, providing a drier feel as winter progresses. For more detailed insights, check out Chungju weather in February.

December and March present notable differences in weather patterns. December is characterized by far colder temperatures, with average highs around 1°C (31°F) and lows plunging to -18°C (1°F), while March enjoys a milder average temperature of 7°C (44°F), peaking at 21°C (71°F). Precipitation is also higher in March, totaling 64 mm (2.5 in) over about six days, compared to December's 26 mm (1.0 in) on five days. In terms of humidity, December tends to be more humid at 76%, while March sees a drop to 64%. For more detailed information, you can check Chungju weather in March.

December weather in Chungju is characterized by its cold temperatures, with a minimum of -18°C (1°F) and an average of -1°C (31°F), reaching a maximum of 12°C (54°F). The month experiences relatively low precipitation, totaling 26 mm (1.0 in) over about 5 days, and the humidity hovers around 76%. In contrast, April brings a more temperate climate, where the minimum temperature rises to -3°C (26°F) and averages 12°C (53°F), peaking at 27°C (81°F). While April sees higher precipitation of 80 mm (3.2 in) spread over 7 days, the humidity is slightly lower at 74%. This shift marks a significant transition from the harsh winter chill of December to the milder and wetter conditions of spring. For more details on April weather in Chungju, visit Chungju weather in April.

December and May present strikingly different weather conditions. In December, temperatures in Chungju can drop to a chilling minimum of -18°C (1°F), with average highs around 12°C (54°F), making it a cold and crisp month. The precipitation level is relatively low at 26 mm (1.0 in), occurring over about 5 days, and humidity sits at 76%. In contrast, May ushers in much warmer temperatures, ranging from a minimum of 2°C (35°F) to a maximum of 31°C (88°F), with an average temperature of 17°C (63°F). This month experiences significantly more rainfall, with 104 mm (4.1 in) of precipitation over about 9 days and slightly higher humidity at 79%. For more details on the weather in May, check out Chungju weather in May.

December and June present starkly contrasting weather patterns. In December, temperatures can plunge to a minimum of -18°C (1°F), with an average of -1°C (31°F) and a maximum of 12°C (54°F). The month typically sees light precipitation totaling 26 mm (1.0 in) over about five days, accompanied by a humidity level of 76%. In contrast, June boasts much warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to an average of 21°C (71°F), peaking at 33°C (91°F). This month experiences higher precipitation at 88 mm (3.5 in) across eight days and slightly elevated humidity at 82%. For more details on the weather during June, you can visit Chungju weather in June.

December weather in Chungju can be quite frigid, with temperatures ranging from a minimum of -18°C (1°F) to a moderate maximum of 12°C (54°F) and an average of -1°C (31°F). Precipitation is relatively low, with only 26 mm (1.0 in) occurring over 5 days, and humidity levels are around 76%. In contrast, July brings a dramatic change, featuring much warmer temperatures with a minimum of 15°C (59°F) and a maximum reaching up to 35°C (95°F), averaging 25°C (76°F). The month sees significantly more rain, with a total of 242 mm (9.5 in) spread across 16 days and humidity levels soaring to 91%. For more details about July weather in Chungju, visit Chungju weather in July.

December and August present strikingly different weather conditions. In December, temperatures can drop as low as -18°C (1°F), with an average around -1°C (31°F) and a maximum of 12°C (54°F). Precipitation is relatively low, totaling 26 mm (1.0 in) over just five days and accompanied by a humidity level of 76%. In contrast, August experiences a much milder climate, with minimum temperatures of 15°C (59°F), an average of 25°C (78°F), and peaks reaching up to 36°C (98°F). This summer month sees significantly higher rainfall, accumulating 264 mm (10.4 in) over 17 days, and the humidity rises to 91%, creating a tropical atmosphere. For more detailed information about weather conditions in August, you can visit Chungju weather in August.

When comparing the weather in December and September, there are stark contrasts in temperature and precipitation. December sees significantly colder temperatures, with a minimum of -18°C (1°F) and an average of -1°C (31°F), whereas September enjoys milder conditions with temperatures ranging from a minimum of 7°C (45°F) to a comfortable average of 20°C (68°F) and a maximum of 29°C (85°F). Precipitation also varies greatly, with December receiving only 26 mm (1.0 in) over about 5 days, in contrast to September's substantial 157 mm (6.2 in) spread across 9 days. Humidity levels are quite similar, at 76% in December and 77% in September. For more details on September weather, visit Chungju weather in September.

In December, temperatures plummet significantly compared to October, with December experiencing a minimum of -18°C (1°F) and an average temperature of -1°C (31°F). In contrast, October boasts much warmer conditions, with minimum temperatures around -1°C (30°F) and an average of 14°C (57°F). Additionally, while October sees higher precipitation at 71 mm (2.8 in) over five days, December has lower precipitation levels at 26 mm (1.0 in) also over five days. Humidity remains fairly similar, with December at 76% and October at 78%. For a deeper look into October weather, you can visit Chungju weather in October.

In comparing the weather between December and November, December tends to be significantly colder, with average temperatures dropping from November's 7°C (44°F) to just -1°C (31°F). The minimum temperature in December can reach as low as -18°C (1°F), while November remains milder with a minimum of -7°C (20°F). Additionally, December sees a reduction in precipitation, averaging 26 mm (1.0 in) over 5 days compared to November's 50 mm (1.9 in) across 6 days. Humidity levels remain relatively high in both months, with December at 76% and November slightly higher at 80%. For a more detailed comparison, you can refer to Chungju weather in November.

Compare Chungju's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Chungju

As December rolls into Chungju, the weather takes a noticeable turn, moving from the more temperate conditions of autumn into the chill of winter. While the maximum temperatures hover around a crisp 12°C, nighttime can plunge to a biting -18°C, creating a stark contrast that underscores the season's arrival. With average temperatures resting at around -1°C, residents can expect a more pronounced coldness than earlier months. **Precipitation is moderate, with five days of light snowfall and rain contributing to the winter wonderland atmosphere. Coupled with a high humidity level of 76%, December’s weather offers a unique experience, brimming with frosty beauty and a serene stillness. To dive deeper into the annual weather patterns of this enchanting region, explore our detailed insights on Chungju Climate.