December Weather in Yeoju, South Korea

Last updated: October 30, 2025

December in Yeoju, South Korea brings a dramatic winter chill, with temperatures averaging around -1°C (31°F), dipping as low as -17°C (1°F) during the coldest nights, while daytime highs reach a mild 12°C (54°F). This month is characterized by a modest precipitation of 24 mm (1.0 in) over approximately 4 days, contributing to a wintery landscape. As humidity hovers at a brisk 76%, residents experience a crispness in the air, making December a quintessential winter month filled with frost and festive charm.

December Temperature in Yeoju

In December, Yeoju, South Korea, welcomes the chill of winter, with temperatures reaching a minimum of -17°C (1°F) and a noticeably brisk average of -1°C (31°F). As the month progresses, temperatures peak at a maximum of 12°C (54°F), hinting at a gradual transition into the more temperate days ahead. This cold snap is a stark contrast to the mild autumn months preceding it, particularly November, which saw milder averages around 7°C (44°F). The drop in temperatures not only signals the heart of winter but also enriches Yeoju’s landscape with a serene beauty, inviting visitors to indulge in the picturesque scenery and seasonal festivities that characterize this enchanting time of the year.

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

The chart illustrates December temperature patterns in Yeoju, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yeoju, 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 -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec283244546472777869574431
Data source: Temperature data for Yeoju 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 Yeoju

In Yeoju, South Korea, December marks a notable transition as the year wraps up, bringing a modest precipitation amount of 24 mm (1.0 in) over just 4 days. This is a departure from the heavier precipitation experienced during the summer months, where July and August see over 250 mm each and up to 16 days of rain. As temperatures cool, the rainfall diminishes significantly, with December's numbers aligning closely with January’s, which typically ushers in the winter season. This pattern highlights a general trend where the region experiences lower precipitation in the later months, offering a brief respite from the rainy season while setting the stage for drier winter conditions.

December Precipitation Trends in Yeoju

The chart displays monthly precipitation patterns in Yeoju, 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 Yeoju, December typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec2328617510886251253148645224
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Yeoju

In Yeoju, South Korea, December brings a humidity level of 76%, a noteworthy decline from the sweltering highs of 91% experienced in the summer months of July and August. As the year transitions from fall to winter, humidity gradually decreases from November’s 80%, marking a shift towards drier conditions. January typically kicks off the year with an even higher humidity level of 71%, suggesting a lingering moisture in the air as winter sets in. The overall trend indicates a significant seasonal fluctuation, with summer months showcasing the peak humidity levels, while late autumn and early winter provide a more comfortable atmosphere, making December a time of relative refreshment amidst Yeoju's varied climate.

December Average Humidity in Yeoju

This chart illustrates the average monthly humidity levels in Yeoju, 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 Yeoju 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 Yeoju

In December, Yeoju experiences a moderate UV Index of 3, similar to January and November, with a burn time of 30 minutes. This trend hints at a gradual decrease in UV exposure as the year comes to a close, following the extreme levels seen during the summer months of June through August, when the UV Index soared to 11. As the seasons transition, residents can enjoy outdoor activities with reduced risk of UV-related harm, aligning with the cooler weather that accompanies the winter months. For more detailed information on UV trends throughout the year, visit Yeoju UV Index.

Maximum UV Index Levels in Yeoju for December

The chart shows the monthly maximum UV Index (UVI) for Yeoju 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 Yeoju typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346991111119643
Data source: Yeoju 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 Yeoju

In Yeoju, South Korea, December embraces the winter season with a commendable 234 hours of sunshine, making it a month of serene brightness amid the chill. This reflects a gentle decline from the sun-drenched heights of 306 hours in June, yet remains significantly luminous when compared to the earlier months of the year. The gradual increase in sunshine from January’s 197 hours to the spring blooms in May, peaking at 302 hours, portrays a vibrant journey through the seasons. As the year concludes, December’s 234 hours keep the spirit of sunny days alive, bridging the warmth of autumn with the crispness of winter, and hinting at the promise of light as the new year approaches.

Monthly Sunshine Duration in Yeoju: December Highlighted

The December sunshine duration represents the total number of hours Yeoju 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.
JanFebMarAprMayJunJulAugSepOctNovDec197h237h274h279h302h306h274h263h250h256h228h234h
Data source: Yeoju December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yeoju During December

As December arrives in Yeoju, South Korea, so does a promising 64% chance of sunny weather, making it one of the brightest months of the year. This marks a notable increase from the preceding months, particularly after the dip seen in the summer, where sunny days were limited to around 27% to 37%. The trend reveals a gradual recovery in sunshine as the year winds down, peaking in December and echoing the higher likelihood of clear skies seen in November at 56%. This uptick suggests that visitors and residents alike can look forward to more enjoyable outdoor experiences as they celebrate the festive season under brighter skies.

Percentage of Sunny Days in December in Yeoju

The chart illustrates the percentage of sunny days in Yeoju 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 Yeoju experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%55%43%43%36%37%30%27%37%45%56%65%
Data source: Yeoju December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yeoju in December

In Yeoju, South Korea, December brings a return to shorter days, with just 9 hours of daylight, mirroring the conditions of January. As the year progresses from spring to summer, the city enjoys a peak of 14 hours of daylight in both May and June, providing plenty of bright moments. However, as autumn descends into winter, daylight hours gradually shorten, descending to 10 hours in November and continuing to diminish through December. This pattern highlights the cyclic nature of daylight in Yeoju, where the crisp winter months contrast sharply with the long, sunlit days of summer, inviting residents to embrace the unique charm of each season.

Average Daylight Hours in Yeoju for December

The chart illustrates the variation in daylight duration in Yeoju throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 53m10h 47m11h 57m13h 9m14h 9m14h 40m14h 24m13h 32m12h 23m11h 12m10h 9m9h 37m
Data source: Yeoju daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Yeoju

As December unfolds in Yeoju, South Korea, the wind picks up slightly, reaching an average speed of 2.5 m/s (6 mph). This minor increase mirrors the general trend observed in the winter months, where wind speeds gradually rise from the lower averages of summer. From January to April, the winds tend to be stable, hovering around the 2.5 m/s mark, a contrast to the slower, more languid breezes of summer, which drop to as low as 1.7 m/s (4 mph) in July. As the year comes to a close, the wind provides a refreshing chill, hinting at the imminent transformation of the season and creating a crisp atmosphere that complements the picturesque landscapes of Yeoju.

Average December Wind Speed in Yeoju

The chart displays monthly wind speed patterns in Yeoju, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.92.42.52.41.91.71.82.11.92.22.5 m/s
Data source: Yeoju December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Yeoju Compares to Other Months

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

In December, the weather showcases a minimum temperature of -17°C (1°F) and averages around -1°C (31°F), with highs reaching up to 12°C (54°F). The month experiences a total of 24 mm (1.0 in) of precipitation across four days and a humidity level of 76%. Conversely, January sees a slight drop in temperatures, with a minimum of -19°C (-1°F) and an average temperature of -2°C (28°F), while still peaking at 12°C (55°F). Precipitation in January is slightly less, totaling 23 mm (0.9 in) over three days, and humidity decreases to 71%. For a closer look at January weather patterns, you can visit Yeoju weather in January.

Comparing December and February, we see some notable differences in weather conditions. December experiences colder temperatures, with a minimum of -17°C (1°F) and an average of -1°C (31°F), while February slightly warms up, showcasing a minimum of -16°C (4°F) and an average of 0°C (32°F). Precipitation is somewhat similar, with December receiving 24 mm (1.0 in) and February experiencing a bit more at 28 mm (1.1 in), both over four days. Humidity also shifts, dropping from 76% in December to 66% in February, contributing to a noticeably different feel to the air. For more detailed information about February weather, you can check out Yeoju weather in February.

December weather is characterized by colder temperatures, with a minimum of -17°C (1°F) and an average of -1°C (31°F), leading to a chilly atmosphere. Precipitation in December is relatively low at 24 mm (1.0 in) over just 4 days, and the humidity is higher at 76%, contributing to the cold feel. In contrast, March experiences milder temperatures, with a minimum of -6°C (21°F) and an average of 7°C (45°F), allowing for a gradual warming trend. Precipitation increases to 60 mm (2.4 in) over 6 days in March, and the humidity drops to 64%, making the month feel more comfortable overall. For more details, check out Yeoju weather in March.

December and April present contrasting weather conditions, with December exhibiting frigid temperatures that can plummet to a minimum of -17°C (1°F) and averaging around -1°C (31°F). In contrast, April welcomes milder conditions, with temperatures ranging from a low of -2°C (28°F) to a high of 27°C (81°F), averaging 12°C (54°F). While December receives less precipitation, totaling 24 mm (1.0 in) over just 4 days, April is much wetter with 75 mm (3.0 in) of rain occurring over 7 days. Despite April's higher precipitation, it maintains a slightly lower humidity level at 74% compared to December's 76%. For more insights on the weather in April, visit Yeoju weather in April.

December and May present stark contrasts in weather conditions. In December, temperatures can drop as low as -17°C (1°F) and average around -1°C (31°F), with a maximum reaching 12°C (54°F). The month experiences relatively low precipitation, totaling 24 mm (1.0 in) over four days, with humidity sitting at 76%. In contrast, May showcases a much warmer climate, featuring minimum temperatures of 3°C (38°F) and average highs of 18°C (64°F), with maximums soaring to 32°C (90°F). Precipitation significantly increases, averaging 108 mm (4.2 in) across ten days, and humidity levels rise slightly to 79%. These differences highlight the transition from the cold winter months to a much more vibrant spring, as discussed in further detail in Yeoju weather in May.

The weather in December and June presents a striking contrast. In December, temperatures can drop as low as -17°C (1°F), with an average temperature of -1°C (31°F) and a maximum of 12°C (54°F). Precipitation is relatively low at 24 mm (1.0 in) over 4 days, and humidity averages around 76%. In contrast, June brings a much warmer climate, with minimum temperatures at 11°C (52°F) and an average reaching 22°C (72°F), soaring to a maximum of 34°C (93°F). The month experiences higher precipitation levels of 86 mm (3.4 in) over 9 days and slightly higher humidity at 82%. This comparison highlights the seasonal shift from the cold, crisp air of December to the warm, humid days of June. For more details, check out Yeoju weather in June.

December and July present stark contrasts in weather. In December, temperatures can plummet to a minimum of -17°C (1°F), with an average around -1°C (31°F) and a maximum reaching 12°C (54°F). While this month is relatively dry with only 24 mm of precipitation over about 4 days, the humidity sits at a chilly 76%. In contrast, July boasts much warmer conditions, with minimum temperatures starting at 16°C (61°F), averaging 25°C (78°F), and peaking at a steamy 35°C (96°F). This summer month is significantly wetter, with a high of 251 mm of rainfall spread across 16 days and humidity levels rising to 91%. For more details, visit Yeoju weather in July.

December and August showcase stark contrasts in weather. In December, temperatures range from a chilling minimum of -17°C (1°F) to a mild maximum of 12°C (54°F), with an average of -1°C (31°F). The month sees relatively low precipitation of 24 mm (1.0 in) over just four days, but high humidity at 76%. In contrast, August boasts much warmer conditions, with temperatures ranging from a minimum of 15°C (59°F) to a scorching maximum of 37°C (99°F) and an average of 26°C (78°F). This summer month experiences significant rainfall, totaling 253 mm (10.0 in) over 16 days, accompanied by higher humidity levels at 91%. For more details, check out Yeoju weather in August.

In December, temperatures drop significantly, with a minimum of -17°C (1°F) and an average of -1°C (31°F), contrasting sharply with September's milder conditions, where the minimum is 7°C (45°F) and the average a comfortable 20°C (69°F). While December sees relatively low precipitation of 24 mm (1.0 in) over just 4 days, September experiences far more rainfall, totaling 148 mm (5.8 in) across 9 days. Humidity levels are quite similar in both months, with December at 76% and September slightly higher at 77%. For a deeper dive into September weather, you can visit Yeoju weather in September.

When comparing the weather in December to that of October, notable differences emerge. December experiences much colder temperatures, with a minimum of -17°C (1°F) and an average of -1°C (31°F), while October boasts a milder climate, ranging from a minimum of -1°C (30°F) to a maximum of 29°C (84°F) and an average of 14°C (57°F). Precipitation is also higher in October, totaling 64 mm (2.5 in) over 6 days, compared to December's 24 mm (1.0 in) over just 4 days. Both months demonstrate relatively high humidity levels, with December at 76% and October slightly higher at 78%. For more detailed weather information, you can visit Yeoju weather in October.

In comparing the weather of December to that of November, it's clear that December experiences significantly colder temperatures, with averages around -1°C (31°F) compared to November's milder average of 7°C (44°F). While December's maximum temperature reaches 12°C (54°F), November boasts higher peaks at 20°C (69°F). Precipitation is slightly lower in December, totaling 24 mm (1.0 in) across 4 days, whereas November sees 52 mm (2.0 in) over 5 days. Humidity is fairly consistent, with December at 76% and November at 80%. For a closer look at November weather details, you can visit Yeoju weather in November.

Compare Yeoju's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Yeoju

As December settles over Yeoju, the weather takes a notable turn, transitioning to colder temperatures that set it apart from the milder months prior. With the average temperature dipping to -1°C and occasional maximums reaching only 12°C, residents and visitors alike can expect a distinct chill in the air. Precipitation is minimal, falling on just a few days, but the increased humidity at 76% can make it feel even cooler. This month marks a significant shift, inviting a cozy atmosphere perfect for warm gatherings, making it a unique time to experience Yeoju. For further details on what to expect throughout the year, check out Yeoju Climate.