January Weather in Gongju, South Korea

Last updated: October 30, 2025

In Gongju, South Korea, January greets residents with a temperature range that oscillates between a chilly -18°C (0°F) at night and a mild 15°C (58°F) during the day, contributing to an average of around -1°C (31°F). The month experiences a moderate precipitation total of 22 mm (0.9 in), falling over just 3 days, making for crisp, refreshing air. With an average humidity level of 71%, January in Gongju offers a unique blend of cold weather and scenic winter beauty, perfect for those who appreciate the tranquil charm of the season.

January Temperature in Gongju

In Gongju, South Korea, January delivers a striking range of temperatures, making it a month of contrasts. With minimum temperatures plunging to a frigid -18°C (1°F), the cold can feel intense, while daytime highs can reach a more moderate 15°C (58°F). The average temperature hovers around -1°C (31°F), setting the tone for winter’s clutches. As the month progresses into February, a slight warming trend begins, with temperatures gradually creeping upward. Despite January’s chill, the stark difference between the day’s maximum and night’s minimum shows the city's potential for fluctuations, hinting at a transition towards the milder spring temperatures that follow in the coming months. This dynamic temperature landscape captures Gongju's seasonal essence, heralding the approach of warmer days.

January Weather in Gongju: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Gongju, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gongju, January typically has an average temperature of -1°C (31°F), with highs reaching up to 15°C (58°F) and lows dropping to around -18°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec303446566674798170594634
Data source: Temperature data for Gongju 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.

January Precipitation in Gongju

In Gongju, South Korea, January typically brings a modest precipitation total of 22 mm (0.9 in), spread over just three days. This trend of low rainfall marks the beginning of the year, gradually increasing through the winter months. By February, precipitation rises slightly to 31 mm (1.2 in), showcasing a consistent ascent as spring approaches. The pattern continues, culminating in a significant surge by summer, where July and August experience the heaviest rainfall, with 235 mm (9.2 in) and 228 mm (9.0 in), respectively. As the seasons transition, Gongju witnesses a dynamic shift in precipitation, reflecting the region's diverse climatic changes throughout the year.

January Precipitation Trends in Gongju

The chart displays monthly precipitation patterns in Gongju, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Gongju, January typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec223162688288235228158694126
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Gongju

In Gongju, South Korea, January experiences a notable humidity level of 71%, setting the stage for the months to come. As winter gives way to spring, February and March see a slight dip to 65%, providing a brief respite from the dampness. However, as April arrives, humidity begins to climb again, peaking in the summer months with levels soaring to an impressive 91% in both July and August. This elevated humidity lingers into the fall, with September and October still recording substantial moisture before tapering off slightly towards the end of the year. Overall, January's humidity is a harbinger of a generally humid climate that characterizes Gongju throughout the year.

January Average Humidity in Gongju

This chart illustrates the average monthly humidity levels in Gongju, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Gongju is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%65%65%75%81%85%91%91%77%79%80%74%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Gongju

In January, Gongju, South Korea experiences a UV Index of 3, placing it in the moderate exposure category with a burn time of 30 minutes. This is an ideal time for residents and visitors to enjoy outdoor activities, while still being mindful of potential sun exposure. As the months progress into February and March, the UV Index gradually increases to 4 and 7, respectively, signaling the onset of spring and a growing need for sun protection. By April and May, UV levels peak at 9 in the very high category, where a brief 15-minute exposure can lead to burns. The summer months escalate to an extreme UV Index of 11, particularly in June, July, and August, when burn times shrink to just 10 minutes. As fall approaches, the UV Index begins to decline, reaching 7 in October and then tapering back to 3 by December. This seasonal progression underscores the importance of adapting sun safety practices throughout the year. For a detailed look at the UV Index in Gongju, visit Gongju UV Index.

Maximum UV Index Levels in Gongju for January

The chart shows the monthly maximum UV Index (UVI) for Gongju in January, 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 January, the maximum UV index in Gongju typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3479911111110753
Data source: Gongju January 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.

January Sunshine in Gongju

In Gongju, South Korea, the sun graces the city with its warm embrace throughout the year, beginning with 193 hours of sunlight in January. As winter transitions into spring, the hours steadily increase, reaching 279 hours in March and peaking at 285 hours in April. May and June continue this trend, with sunlight hours soaring to 309 and 311 hours, respectively, making these months particularly bright and vibrant. However, summer’s hustle begins to wane in July, dipping to 278 hours, and the sunlight starts its gradual retreat as autumn approaches. By September, there are 251 hours, followed by 264 in October, and a gentle decline during the colder months, settling at around 229 hours in November before concluding the year with 232 hours in December. This dance of light illustrates Gongju’s seasonal rhythm, where the sunshine reflects the changing moods of nature, inviting residents and visitors alike to bask in its glow all year round.

Monthly Sunshine Duration in Gongju: January Highlighted

The January sunshine duration represents the total number of hours Gongju experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec193h239h279h285h309h311h278h283h251h264h229h232h
Data source: Gongju January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gongju During January

In Gongju, South Korea, the likelihood of sunny weather in January stands at 42%, marking a promising start to the year. While this figure is slightly lower than February's 48%, it sets the tone for a generally bright winter, as the months of spring start to emerge. Interestingly, the chance of sunshine dips in May and June, falling to 37%, before rebounding later in the year. By October, the likelihood climbs to 49%, peaking throughout November and December with 57% and 58%, respectively. This trend suggests that while January offers a fair share of sunshine, the competition heats up as winter transitions to spring, ultimately paving the way for sunnier days ahead as the year unfolds.

Percentage of Sunny Days in January in Gongju

The chart illustrates the percentage of sunny days in Gongju throughout the year, with January 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 Gongju experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%48%41%41%37%37%27%28%37%49%57%58%
Data source: Gongju January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gongju in January

In Gongju, South Korea, January marks a time when daylight is at its shortest, offering only 9 hours of light. However, as the months progress, a gradual increase in daylight becomes evident, with February rising to 10 hours and March reaching 11 hours. By April, days stretch to 13 hours, signaling the arrival of spring. This upward trend continues into May and June, where daylight peaks at a robust 14 hours. Following the summer months, a slow decline begins, as sunlight recedes to 13 hours in August and further down to 12 hours in September. The transition into autumn sees this reduction continue, with daylight decreasing to 10 hours in November and returning to 9 hours by December. This cyclical pattern not only underscores the changing seasons but also highlights the rhythmic dance of light and darkness in Gongju throughout the year.

Average Daylight Hours in Gongju for January

The chart illustrates the variation in daylight duration in Gongju throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 57m10h 50m11h 57m13h 7m14h 6m14h 35m14h 20m13h 29m12h 22m11h 13m10h 13m9h 42m
Data source: Gongju daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Gongju

In January, the winds in Gongju, South Korea, average a gentle 2.8 m/s (6 mph), providing a crisp yet refreshing start to the year. As winter gives way to early spring, the wind speed slightly increases to 3.3 m/s (7 mph) in February, before tapering off to 2.5 m/s (6 mph) by March. This pattern illustrates a subtle fluctuation, highlighting the transition from the briskness of winter to the milder breezes of spring. Throughout the early months, the winds hover around the 2.8 m/s mark, indicating a consistent yet mild airflow that characterizes Gongju's winter season, before settling into a more stable rhythm as the year progresses. Overall, January's winds set the stage for the shifting seasons, while effortlessly blending into the gusts of February and March.

Average January Wind Speed in Gongju

The chart displays monthly wind speed patterns in Gongju, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.8 m/s3.32.52.92.82.12.12.12.82.22.42.7
Data source: Gongju January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Gongju Compares to Other Months

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

January and February present notably different weather patterns, with January being colder on average. In January, temperatures can drop to a minimum of -18°C (1°F) and peak at 15°C (58°F), while February sees milder conditions, with minimum temperatures of -13°C (10°F) and maximums reaching 21°C (69°F). Precipitation increases slightly from January to February, rising from 22 mm (0.9 in) over 3 days to 31 mm (1.2 in) over 4 days. Humidity also decreases, with January averaging 71% compared to 65% in February. For more specific weather details in February, you can refer to Gongju weather in February.

In January, the weather is characterized by colder temperatures, with a minimum of -18°C (0°F) and an average of -1°C (31°F), while precipitation is relatively low at 22 mm (0.9 in) over just 3 days. The humidity is quite high at 71%, contributing to the chill of the month. In contrast, March sees a significant temperature rise, with minimums of -5°C (22°F) and an average of 8°C (46°F). The maximum temperature can reach up to 23°C (74°F), and the month experiences more rainfall, totaling 62 mm (2.4 in) across 6 days, coupled with a slightly lower humidity of 65%. For more details, you can check out Gongju weather in March.

January and April present notably contrasting weather conditions. In January, temperatures range from a chilly minimum of -18°C (1°F) to a maximum of 15°C (58°F), with an average of -1°C (31°F), and the month sees about 22 mm (0.9 in) of precipitation across just three days. Humidity levels are relatively high at 71%. Conversely, April brings milder temperatures, with a minimum of -3°C (28°F) and a much warmer average of 13°C (56°F), peaking at 29°C (85°F). The month also experiences increased precipitation of 68 mm (2.7 in) over six days and slightly higher humidity at 75%. For more detailed insights, you can explore this link: Gongju weather in April.

In January, the weather is typically quite cold, with temperatures ranging from a frigid minimum of -18°C (1°F) to a maximum of 15°C (58°F), and an average temperature of -1°C (31°F). The humidity stands at 71%, with only 22 mm (0.9 in) of precipitation over approximately 3 days. In contrast, May experiences a much warmer climate, with minimum temperatures of 3°C (38°F) and a maximum reaching 32°C (90°F), averaging around 19°C (66°F). This month also brings more rainfall, totaling 82 mm (3.2 in) across 9 days, and a slightly higher humidity of 81%. For those interested in a detailed overview, you can check out Gongju weather in May.

In January, the weather is quite frigid, with temperatures ranging from a chilly -18°C to a mild 15°C, averaging around -1°C. The month sees minimal precipitation, only about 22 mm over three days, accompanied by a relatively high humidity of 71%. In stark contrast, June brings warm and comfortable conditions, with temperatures varying from a minimum of 12°C to a scorching maximum of 36°C, averaging 23°C. Rainfall increases significantly in this month, totaling 88 mm over eight days, and humidity also rises to 85%. For more details, you can check Gongju weather in June.

January and July present strikingly contrasting weather in terms of temperature and precipitation. In January, the temperatures can plummet to a minimum of -18°C (1°F) and average around -1°C (31°F), with a maximum reaching 15°C (58°F). The month sees relatively low precipitation, totaling 22 mm (0.9 in) over just 3 days, and a humidity level of 71%. In contrast, July experiences much warmer conditions, with minimum temperatures starting at 18°C (65°F) and averaging 26°C (79°F), peaking at a sweltering 38°C (100°F). This month is also notably wetter, with precipitation reaching 235 mm (9.2 in) over 15 days, coupled with high humidity at 91%. These differences illustrate the dramatic seasonal shift between winter and summer in the region. For more detailed information, check out Gongju weather in July.

The weather in January contrasts sharply with that of August in Gongju. In January, temperatures range from a brisk -18°C (0°F) at night, peaking at a mild 15°C (58°F) during the day, while the average is around -1°C (31°F). Precipitation is relatively low, with only 22 mm (0.9 in) recorded over three days and humidity at 71%. In contrast, August is characterized by warm temperatures, with nighttime lows of 16°C (61°F) and daytime highs soaring to a scorching 40°C (105°F), leading to an average of 27°C (81°F). Precipitation in August skyrockets to 228 mm (9.0 in), spread over 16 days, coupled with noticeably higher humidity at 91%. For a more detailed look at August conditions, you can check Gongju weather in August.

In January, Gongju experiences frigid temperatures with a minimum of -18°C (0°F) and an average of -1°C (31°F), peaking at a comfortable 15°C (58°F). The month sees minimal precipitation, totaling just 22 mm (0.9 in) over three days, while the humidity hovers around 71%. In stark contrast, September brings much warmer conditions, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (88°F), averaging a pleasant 21°C (71°F). The month is significantly wetter, accumulating 158 mm (6.2 in) of rain across nine days and experiencing higher humidity at 77%. For more detailed information, check out Gongju weather in September.

In January, the weather is markedly cold, with temperatures ranging from a frigid -18°C (1°F) at the minimum to a maximum of 15°C (58°F). The month experiences relatively low precipitation, totaling only 22 mm (0.9 in) over about 3 days, accompanied by a humidity level of 71%. In contrast, October showcases a much milder climate, where temperatures can dip to a minimum of 1°C (34°F) but can soar to an average of 15°C (59°F) and peak at 30°C (86°F). This month also sees increased precipitation, with 69 mm (2.7 in) spread over 5 days and a higher humidity level of 79%. For more details on October weather in Gongju, you can check Gongju weather in October.

January and November showcase a notable contrast in weather conditions. In January, the temperatures can drop dramatically, with minimums plunging to -18°C (1°F) and an average of -1°C (31°F). On the other hand, November offers milder temperatures, with a minimum of -4°C (25°F) and an average of 8°C (46°F), reaching a maximum of 21°C (71°F). Additionally, November experiences slightly more precipitation at 41 mm (1.6 in) over 5 days, compared to January’s 22 mm (0.9 in) over just 3 days. The humidity is also higher in November at 80%, compared to January's 71%. For more detailed insights into the weather in November, check out Gongju weather in November.

In comparison to December, January tends to be slightly colder, with average temperatures dropping from an average of 1°C (34°F) to -1°C (31°F). The minimum temperatures also decline further, with January reaching lows of -18°C (1°F), compared to December's minimum of -12°C (10°F). Both months experience similar maximum temperatures, peaking at 15°C (58°F for January and 60°F for December). Precipitation is marginally less in January at 22 mm (0.9 in) over 3 days, while December sees 26 mm (1.0 in) over 4 days, indicating a slightly wetter climate in December. Humidity remains fairly stable, with January at 71% and December at 74%. For more detailed information about the December weather specifically, visit Gongju weather in December.

Compare Gongju's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Gongju

January in Gongju brings a stark contrast to the milder months, as temperatures dip significantly, showcasing the raw chill of winter. With an average low that can plunge to -1°C and even drop to -18°C during cold snaps, this month invites a cozy atmosphere perfect for warm drinks and indoor activities. While precipitation is relatively low, the crisp air coupled with a humidity level of 71% can make the cold feel even more biting. For those considering a visit during this time, be prepared for the unique beauty of a frosty landscape that distinguishes January from the rest of the year. To learn more about the climate throughout the seasons, visit Gongju Climate.