December Weather in Jeonju, South Korea

Last updated: October 30, 2025

December in Jeonju, South Korea ushers in a brisk and chilly climate, with average temperatures hovering around 1°C (34°F). The month experiences a maximum of 17°C (63°F) during warmer days, while temperatures can plunge to a frosty minimum of -13°C (8°F). With 73% humidity, the air feels notably crisp, making it essential for visitors to bundle up. Rainfall is moderate, accumulating to 31 mm (1.2 in) over approximately 5 days, contributing to the city's enchanting winter scenery. Whether you're exploring the historic Hanok Village or enjoying local delicacies, December's weather sets a unique backdrop for an unforgettable experience in Jeonju.

December Temperature in Jeonju

In December, Jeonju, South Korea, experiences a sharp drop in temperatures, with minimums reaching as low as -13°C (8°F). The average temperature hovers around 1°C (34°F), highlighting the onset of winter's chill. Despite the cold, the city sees a maximum temperature of 17°C (63°F), providing occasional respite from the frigid mornings. As the year concludes, Jeonju's climate reflects a noticeable transition from the milder conditions of autumn in November, known for its average of 8°C (46°F), to the biting cold of winter. This trend underscores a significant cooling as December sets in, making it the perfect time for visitors to indulge in hearty local cuisine and bask in the festive atmosphere.

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

The chart illustrates December temperature patterns in Jeonju, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jeonju, December typically has an average temperature of 1°C (34°F), with highs reaching up to 17°C (63°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec313445546471777970584634
Data source: Temperature data for Jeonju 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 Jeonju

In December, Jeonju, South Korea, experiences a mild dip in precipitation, accumulating approximately 31 mm (1.2 in) over 5 days of rain. This marks a significant decrease compared to the heavier rainfalls of the summer months, which peak in July with a striking 261 mm (10.3 in). As the year wraps up, December's rainfall mirrors the drier conditions often found in the late autumn months, with November recording 42 mm just prior. This trend suggests a seasonal shift towards a drier winter, making December a relatively calm month in terms of precipitation. As temperatures drop, the light, sporadic showers contribute to the refreshing ambiance of the season without overwhelming the city's festive spirit.

December Precipitation Trends in Jeonju

The chart displays monthly precipitation patterns in Jeonju, 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 Jeonju, December typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec2939686390131261214201674231
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jeonju

In December, Jeonju, South Korea, experiences a notable shift in humidity, wrapping up the year with a comfortable 73%. This marks a slight decrease from the high humidity levels of late summer, which peaked at an impressive 95% in July and remained elevated through August. As the seasons transition, humidity begins to stabilize, with November sitting at 76% and December's levels indicating a trend towards a drier winter. Overall, the month reflects a gradual decline from the summer's sweltering humidity, providing a refreshing respite that makes December in Jeonju pleasantly temperate.

December Average Humidity in Jeonju

This chart illustrates the average monthly humidity levels in Jeonju, 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 Jeonju is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%68%67%78%85%87%95%93%80%78%76%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jeonju

As December rolls into Jeonju, South Korea, the UV Index dips to a moderate level of 3, indicating a leisurely shift from the extreme peaks of summer. This drop in UV levels, compared to the height of 12 in July and August, means that residents and visitors have a longer burn time of 30 minutes before needing sun protection. While early winter days are generally more subdued in terms of sun exposure, it's still essential to remain vigilant for those occasional clear-skied afternoons. For more detailed insights and to plan your outdoor activities, check the full details at Jeonju UV Index.

Maximum UV Index Levels in Jeonju for December

The chart shows the monthly maximum UV Index (UVI) for Jeonju 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 Jeonju typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec457101011121210753
Data source: Jeonju 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 Jeonju

In Jeonju, South Korea, December shines with 235 hours of sunlight, marking a gentle decline from the vibrant glow of November. The city's year begins with a modest 192 hours in January, slowly climbing to a peak of 304 hours in May. As the seasons transition, Jeonju enjoys a splendid summer, with June boasting 302 hours of sunshine before the daylight begins to wane in autumn. This trend highlights a natural rhythm, as the city gracefully dips from its sunlit high in spring, bridging the warmth of summer into the cooler months. As December arrives, the soft sunlight of late autumn embraces Jeonju, crafting a serene backdrop for its winter festivities.

Monthly Sunshine Duration in Jeonju: December Highlighted

The December sunshine duration represents the total number of hours Jeonju 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.
JanFebMarAprMayJunJulAugSepOctNovDec192h238h277h283h304h302h272h286h246h264h236h235h
Data source: Jeonju December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jeonju During December

In Jeonju, South Korea, December brings a 53% chance of sunny weather, a notable steadying trend as the year winds down. Following the relatively brighter November, which boasts a 56% likelihood of sunshine, December maintains a strong presence of sunny days, hinting at the pleasant surprises of winter. As the colder months approach, sunshine levels dip compared to earlier in the year, with July and August presenting the least overhead sunshine; however, December stands out as one of the more favorable winter months for sun enthusiasts. With its mix of crisp air and gleaming days, December in Jeonju invites both residents and visitors to embrace the seasonal charm.

Percentage of Sunny Days in December in Jeonju

The chart illustrates the percentage of sunny days in Jeonju 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 Jeonju experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%47%37%41%37%34%21%28%34%51%56%53%
Data source: Jeonju December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jeonju in December

As the year draws to a close in Jeonju, South Korea, December welcomes a significant shift in daylight duration, offering only 9 hours of sunlight. This reduction marks a decline from the longer days enjoyed in the spring and summer months, with daylight peaking at 14 hours during the vibrant summer season. After a gradual tapering off from 14 hours in June and July, the daylight steadily decreases through autumn, settling at 10 hours in November before dipping further in December. The transition from the exuberance of longer days to the coziness of the winter months creates a rhythm that is characteristic of Jeonju's seasonal charm, inviting locals and visitors alike to embrace the beauty of shorter days and the enchanting atmosphere they bring.

Average Daylight Hours in Jeonju for December

The chart illustrates the variation in daylight duration in Jeonju throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 1m10h 52m11h 58m13h 5m14h 3m14h 31m14h 17m13h 27m12h 22m11h 14m10h 16m9h 45m
Data source: Jeonju daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Jeonju

As December settles in Jeonju, South Korea, the wind begins to pick up slightly, averaging around 2.7 m/s (6 mph). This marks a subtle increase from the calmer summer months, where winds were mostly gentle at 1.9 m/s (4 mph) during July and August. As autumn transitions into winter, we see a gradual return to mid-range wind speeds, similar to those recorded in the earlier months of the year, such as January and April. The crisp December air, coupled with a slightly brisker breeze, offers a refreshing backdrop as the city prepares for the festive season, creating an invigorating atmosphere that beckons both locals and visitors to enjoy its charm.

Average December Wind Speed in Jeonju

The chart displays monthly wind speed patterns in Jeonju, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.12.42.82.82.01.91.92.42.02.42.7 m/s
Data source: Jeonju December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Jeonju Compares to Other Months

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

December and January both experience a chill in the air, but January tends to be slightly colder overall. In December, temperatures range from a minimum of -13°C (8°F) to a maximum of 17°C (63°F), with an average of 1°C (34°F). Meanwhile, January sees even lower temperatures, with a minimum of -19°C (-2°F) and an average of -1°C (31°F), despite having a similar maximum temperature of 16°C (60°F). Precipitation levels in both months are comparable, with December receiving 31 mm (1.2 in) and January slightly less at 29 mm (1.1 in), both occurring over five days. Additionally, humidity is marginally lower in January at 71% compared to December's 73%. For more details on January weather, visit Jeonju weather in January.

In December, temperatures in Jeonju range from a minimum of -13°C (8°F) to a maximum of 17°C (63°F), with an average of 1°C (34°F). The month experiences about 31 mm (1.2 in) of precipitation over five days, along with a humidity level of 73%. In contrast, February sees slightly lower temperatures, with a minimum of -14°C (7°F) and a higher maximum of 22°C (71°F), maintaining the same average of 1°C (34°F). February also has increased precipitation, totaling 39 mm (1.5 in) over five days, but with a lower humidity of 68%. For more details on February's weather, you can check Jeonju weather in February.

December and March exhibit contrasting weather patterns that reflect the transition from winter to early spring. In December, temperatures can plunge as low as -13°C (8°F), with an average of around 1°C (34°F) and maximums reaching 17°C (63°F). The month sees approximately 31 mm (1.2 in) of precipitation over just five days, coupled with a humidity level of 73%. In contrast, March offers milder temperatures, with minimums of -5°C (24°F) and averages of 7°C (45°F), peaking at 23°C (74°F). Precipitation increases to 68 mm (2.7 in) spread over eight days, while humidity slightly decreases to 67%. The shift in weather during these months showcases the gradual warming and increasing precipitation typical of early spring. For more details, visit Jeonju weather in March.

When comparing the weather in December and April, it's evident that they present quite different climates. In December, temperatures can dip as low as -13°C (8°F), with an average of 1°C (34°F) and a maximum of 17°C (63°F). The month typically sees about 31 mm (1.2 in) of precipitation over 5 days, accompanied by a humidity level of 73%. In contrast, April brings warmer conditions, with a minimum of -2°C (29°F), an average of 12°C (55°F), and a maximum of 28°C (83°F). Rainfall increases to 63 mm (2.5 in) across 7 days, while humidity rises slightly to 78%. For a detailed look at the climate specifics, you can check Jeonju weather in April.

The weather in December contrasts sharply with that of May in terms of temperature and humidity. December sees much colder temperatures, with lows dropping to -13°C (8°F) and an average of just 1°C (34°F), while May enjoys milder conditions, featuring minimums of 3°C (38°F) and an average high of 18°C (64°F) that can even reach up to 30°C (86°F). Additionally, December experiences lower precipitation at 31 mm (1.2 in) over about 5 days, compared to May's significantly higher rainfall of 90 mm (3.5 in) spread over 9 days, contributing to greater humidity levels of 85% in May versus December's 73%. For more information on May weather specifics, check out Jeonju weather in May.

In December, the weather tends to be much colder, with temperatures ranging from a chilly -13°C (8°F) at night to a milder 17°C (63°F) during the day, and an average of 1°C (34°F). Having a lower precipitation level of 31 mm (1.2 in) spread over about 5 days, the month also features a humidity level of 73%, giving it a relatively dry feel despite the cold.

In contrast, June brings warmer temperatures, with nighttime lows around 10°C (51°F) and daytime highs soaring to 33°C (91°F), with an average temperature of 22°C (71°F). The month experiences significantly higher precipitation, totaling 131 mm (5.2 in) across roughly 10 days, and higher humidity at 87%, creating a lush and vibrant atmosphere. For more detailed insights on this month, check out Jeonju weather in June.

In December, temperatures in Jeonju fluctuate from a chilly minimum of -13°C (8°F) to a mild maximum of 17°C (63°F), with an average temperature around 1°C (34°F). This month experiences relatively low precipitation with an average of 31 mm (1.2 in) over about 5 days, and humidity levels are moderate at 73%. In contrast, July brings warm and humid conditions, with temperatures ranging from a minimum of 17°C (62°F) to a scorching maximum of 35°C (95°F) and an average temperature of 25°C (77°F). July sees significantly higher precipitation at 261 mm (10.3 in) across 17 rainy days, accompanied by high humidity at 95%. For more detailed information, you can check out Jeonju weather in July.

December and August present stark contrasts in weather, with December featuring low temperatures that can plummet to -13°C (8°F) and a mild average of around 1°C (34°F), while August enjoys a warm range with minimums around 14°C (58°F) and averages reaching 26°C (79°F). Precipitation patterns are also markedly different; December sees around 31 mm (1.2 in) of rain over 5 days, whereas August is much rainier with 214 mm (8.4 in) across 17 days. Additionally, humidity levels are higher in August at 93%, compared to December's 73%. For more information on Jeonju's weather during this summer month, you can check Jeonju weather in August.

December and September exhibit strikingly different weather patterns. In December, temperatures can dip as low as -13°C (8°F), with an average of around 1°C (34°F) and a maximum of 17°C (63°F), accompanied by relatively low precipitation of 31 mm (1.2 in) over just 5 days. The humidity hovers at 73%, contributing to a chilly atmosphere. In contrast, September boasts milder temperatures, ranging from a minimum of 8°C (48°F) to an average of 21°C (70°F) and a maximum of 31°C (88°F). This month experiences significantly higher precipitation at 201 mm (7.9 in) across 11 days, along with slightly higher humidity levels at 80%. The stark contrast between the cold, dry winter of December and the warm, wetter conditions of September is evident. For more detailed information, you can check Jeonju weather in September.

In comparing the weather between December and October, we see a significant shift in temperatures and overall conditions. December experiences much colder averages, with temperatures ranging from a minimum of -13°C (8°F) to a maximum of 17°C (63°F), while October enjoys a mild range from 0°C (32°F) to 30°C (86°F) with an average of 14°C (58°F). Additionally, October sees more precipitation at 67 mm (2.6 in), almost double that of December's 31 mm (1.2 in), though both months have rainfall on approximately five days. Humidity levels are relatively similar, with October being slightly higher at 78% compared to December's 73%. For more insights into October's weather patterns, you can check this link: Jeonju weather in October.

When comparing the weather in December to that of November, we see notable differences in temperature and precipitation patterns. December experiences a colder temperature range, with minimums plunging to -13°C (8°F) and an average of 1°C (34°F), while November sees milder conditions with a minimum of -4°C (26°F) and an average around 8°C (46°F). Precipitation also varies slightly, with December recording 31 mm (1.2 in) over 5 days compared to November’s 42 mm (1.6 in) over 6 days, indicating a somewhat drier month in December. Despite the lower precipitation, humidity levels remain similar, with December at 73% and November slightly higher at 76%. For more insights on November weather, check out Jeonju weather in November.

Compare Jeonju's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Jeonju

As December settles in Jeonju, temperatures take a noticeable dip compared to earlier months, creating a crisp and cool atmosphere. With the maximum reaching a mild 17°C (63°F) and lows plummeting to -13°C (8°F), the month offers a striking contrast to the warmer seasons. While the average temperature hovers around 1°C (34°F), the higher humidity at 73% adds a chill to the air, making it feel even cooler. Despite experiencing a modest amount of precipitation over just five days, visitors can expect a unique winter charm. For a comprehensive overview of what to expect throughout the year, check out Jeonju Climate.