January Weather in Gapyeong, South Korea

Last updated: October 30, 2025

In January, Gapyeong, South Korea, experiences a winter chill characterized by an average temperature of -3°C (27°F), with maximums reaching 12°C (53°F) and plunging to a frigid minimum of -20°C (-4°F). This month sees 23 mm (0.9 in) of precipitation spread over just 2 days, contributing to the region's 71% humidity. Visitors should be prepared for brisk weather and scenic winter landscapes, making January an intriguing time to explore Gapyeong's natural beauty.

January Temperature in Gapyeong

In January, Gapyeong, South Korea, experiences an intriguing range of temperatures, showcasing the crispness of winter. With minimums plummeting to -20°C (-4°F), the town’s chill is palpable, while the average temperature hovers around a brisk -3°C (27°F). This cold backdrop is occasionally brightened by milder days that reach a maximum of 12°C (53°F). As January gives way to February, we see slightly warmer trends emerge, with an average temperature of -1°C (31°F) and highs creeping up to 17°C (63°F). This gradual warming hints at the onset of spring, setting the stage for the seasonal transitions that lie ahead. Such fluctuations not only create a captivating winter wonderland but also signal the promise of coming warmth, making Gapyeong a dynamic climate experience in the heart of South Korea.

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

The chart illustrates January temperature patterns in Gapyeong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gapyeong, January typically has an average temperature of -3°C (27°F), with highs reaching up to 12°C (53°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec273043536271777768564330
Data source: Temperature data for Gapyeong 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 Gapyeong

In January, Gapyeong, South Korea experiences relatively low precipitation, with just 23 mm (0.9 in) of rain falling over the course of only 2 days. This minimal rainfall sets the tone for the winter months, which remain generally dry, as the precipitation gradually increases in the following months. February sees a slight rise to 24 mm, while March experiences a noticeable uptick to 55 mm, hinting at the onset of spring. The wetter months are just around the corner; from April onward, the rainfall surges, peaking in the middle of summer. The trend clearly indicates a seasonal shift, transitioning from January's frigid dryness towards the lush, rain-soaked days of late summer, when the region can receive over 250 mm in a single month.

January Precipitation Trends in Gapyeong

The chart displays monthly precipitation patterns in Gapyeong, 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 Gapyeong, January typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec2324557212294253275143615622
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Gapyeong

In January, Gapyeong, South Korea experiences a relatively high humidity level of 71%, setting the tone for the cooler months ahead. While this figure begins to decline slightly in February and March to 65%, it rebounds as spring approaches, peaking at 75% in April. As the year progresses, humidity levels steadily climb, with May reaching 81%, and the summer months of June and July soaring to an impressive 85% and 91% respectively. This thrumming humidity persists through August, before tapering off in the fall. September sees a decline to 77%, followed by a slight increase in October and November, where levels hover around 79% and 80%. By December, the humidity dips again to 74%, marking a refreshing seasonal shift as Gapyeong transitions back into the cold. Overall, the trend showcases a rise in humidity during the summer months, while the winter months maintain relatively stable, yet slightly lower levels.

January Average Humidity in Gapyeong

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

In January, Gapyeong, South Korea, experiences a moderate UV Index of 3, allowing for approximately 30 minutes of safe sun exposure before risking skin damage. As winter transitions into spring, February sees a slight uptick to an Index of 4. However, the real shift occurs in March, climbing to a high Index of 6 with a reduced burn time of 25 minutes, indicating a heightened risk for sunburn. This upward trend continues into April and May, where the UV Index reaches a striking 9, categorized as very high, with just 15 minutes of sun safety. By June and July, the situation escalates to an extreme level of 10 and 11, respectively, prompting an urgent need for protective measures as the safe exposure time dwindles to just 10 minutes. As summer fades, September brings a decrease to 9, but the risk remains significant through October with an Index of 7. November and December revert back to moderate levels of 4 and 3, respectively, providing a reprieve with 30 minutes of protection time. To plan your sun exposure wisely, explore more about the UV Index in Gapyeong here: Gapyeong UV Index.

Maximum UV Index Levels in Gapyeong for January

The chart shows the monthly maximum UV Index (UVI) for Gapyeong 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 Gapyeong typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346991011119743
Data source: Gapyeong 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 Gapyeong

In January, Gapyeong, South Korea, welcomes the year with 197 hours of sunshine, a gentle start that gradually brightens as winter gives way to spring. The sun starts to shine more generously in February with 237 hours, and by March, the daylight reaches 273 hours, heralding the vibrant blossoms to come. This upward trend continues into April and May, where residents enjoy 276 and an impressive 299 hours, respectively. June peaks with 307 hours, showcasing the region's lush beauty at its zenith. Although July experiences a slight dip to 275 hours, sunshine remains abundant. As summer wanes, August and September witness a decrease to 261 and 251 hours, reflecting the transitional mood as autumn gracefully approaches. The sunlight slightly decreases again in October and November with 251 and 227 hours, yet December returns to a cozy 233 hours, wrapping the year in a warm glow. Overall, Gapyeong's sunshine hours paint a charming portrait of seasonal change, inviting visitors to savor each unique moment throughout the year.

Monthly Sunshine Duration in Gapyeong: January Highlighted

The January sunshine duration represents the total number of hours Gapyeong 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.
JanFebMarAprMayJunJulAugSepOctNovDec197h237h273h276h299h307h275h261h251h251h227h233h
Data source: Gapyeong January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gapyeong During January

In January, Gapyeong experiences a 60% chance of sunny weather, making it one of the brighter months of the year. This promising outlook slightly surpasses February's 55%, showcasing a tendency for clearer skies during winter. As we move into spring, the likelihood of sunshine drops significantly, with March at 44% and steadily declining through the warmer months, hitting a low of 31% in July. Interestingly, the trend begins to reverse in autumn, where September sees a moderate 40% chance, before climbing again to 64% by December. This fluctuation underscores January's favorable standing as a time when the sun shines more brightly, offering a refreshing start to the year in Gapyeong.

Percentage of Sunny Days in January in Gapyeong

The chart illustrates the percentage of sunny days in Gapyeong 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 Gapyeong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%55%44%45%36%33%31%28%40%42%58%64%
Data source: Gapyeong January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gapyeong in January

In Gapyeong, South Korea, the daylight duration begins at a modest 9 hours in January, gradually extending as the seasons progress. By February, the days lengthen to 10 hours, welcoming the early hints of spring. March brings another increase, with 11 hours of daylight, setting the stage for the vibrant blooms of April, boasting 13 hours. As spring transitions to summer, daylight peaks at a consistent 14 hours from May through July, allowing for longer evenings and outdoor activities. The days start to shorten again in August, with 13 hours, gradually tapering off to 12 hours in September. This decline continues through autumn, with October and November seeing 11 and 10 hours respectively, before returning to 9 hours by December, wrapping up the year with a return to winter's embrace. This cyclical pattern showcases the natural ebb and flow of daylight, reflecting the seasonal rhythms that shape life in Gapyeong.

Average Daylight Hours in Gapyeong for January

The chart illustrates the variation in daylight duration in Gapyeong throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 51m10h 46m11h 57m13h 10m14h 12m14h 43m14h 27m13h 33m12h 23m11h 11m10h 7m9h 34m
Data source: Gapyeong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Gapyeong

In January, the winds in Gapyeong, South Korea reach an average speed of 2.6 m/s (6 mph), setting the tone for a winter climate that is both brisk and invigorating. As the months progress toward February, the winds pick up slightly to 2.8 m/s, hinting at a gentle increase that keeps the air fresh and crisp. However, by March and continuing through the spring months of April and May, the wind speed stabilizes around 2.3 m/s (5 mph), creating a calm yet refreshing atmosphere perfect for outdoor activities. The warmer summer months see a noticeable dip, with June witnessing winds at 1.8 m/s (4 mph) and July dropping further to 1.5 m/s (3 mph), reflecting a more mellow air. As autumn sets in with September to November, winds regain their strength at around 2.1 to 2.3 m/s, wrapping the region in a nostalgic blend of coolness before winter returns. This recurring cycle emphasizes how the winter winds ease into the summer lull and then return with a refreshing vigor each year.

Average January Wind Speed in Gapyeong

The chart displays monthly wind speed patterns in Gapyeong, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.6 m/s2.82.32.32.31.81.51.92.11.92.32.5
Data source: Gapyeong January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Gapyeong Compares to Other Months

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

January weather in Gapyeong is typically quite cold, with average temperatures hovering around -3°C (27°F) and a maximum of 12°C (53°F). The month sees minimal precipitation, with only 23 mm (0.9 in) falling over just 2 days, while humidity levels are relatively high at 71%. In contrast, February experiences slightly milder conditions, with an average temperature of -1°C (31°F) and a peak of 17°C (63°F). Precipitation increases slightly to 24 mm (1.0 in) over 4 days, and humidity drops to 65%. For more detailed information, you can visit Gapyeong weather in February.

In January, the weather is significantly colder, with average temperatures hovering around -3°C (27°F), and a minimum plunging to -20°C (-4°F). There is limited precipitation, with only 23 mm (0.9 in) recorded over just 2 days, and humidity levels at 71%. In contrast, March brings a noticeable warming trend, featuring an average temperature of 6°C (43°F) and a maximum of 20°C (69°F). Precipitation in March increases to 55 mm (2.2 in), spread over 6 days, and humidity drops slightly to 65%. For more details on March weather conditions, you can check Gapyeong weather in March.

January weather is characterized by much colder temperatures, with a minimum of -20°C (-4°F) and an average temperature of -3°C (27°F). In contrast, April sees a significant warming trend, with minimum temperatures rising to -3°C (26°F) and an average of 11°C (53°F). Precipitation also increases from just 23 mm (0.9 in) over 2 days in January to 72 mm (2.8 in) over 7 days in April, indicating a wetter month as spring progresses. Additionally, humidity levels remain relatively close, with January at 71% and April increasing slightly to 75%. For a more detailed view of the climate, you can check Gapyeong weather in April.

In January, the weather in Gapyeong is quite cold, with average temperatures hovering around -3°C (27°F) and minimums dropping to as low as -20°C (-4°F). Precipitation is limited, occurring on just 2 days and totaling 23 mm (0.9 in), all while humidity levels remain relatively moderate at 71%.

In contrast, May brings a dramatic shift with temperatures rising significantly; the average temperature climbs to 17°C (63°F), with highs reaching up to 31°C (88°F) and lows only dropping to 3°C (38°F). This month also sees increased rainfall, accumulating to 122 mm (4.8 in) over 10 days and slightly higher humidity at 81%. For more detailed information, you can check Gapyeong weather in May.

January and June present stark contrasts in weather conditions. In January, temperatures can drop to a chilling minimum of -20°C (-4°F) and average around -3°C (27°F), rarely exceeding 12°C (53°F). The month experiences limited precipitation, with only 23 mm (0.9 in) falling over just 2 days, coupled with a humidity level of 71%. In contrast, June basks in much milder weather, with temperatures that range from a minimum of 11°C (52°F) to a maximum of 34°C (93°F) and an average of 21°C (71°F). This month sees significantly more rainfall, totaling 94 mm (3.7 in) over approximately 10 days, while humidity rises to 85%. For more details on the June climate, visit Gapyeong weather in June.

January and July in Gapyeong present striking contrasts in weather conditions. In January, temperatures plunge to a minimum of -20°C (-4°F) and struggle to reach an average of -3°C (27°F), with sporadic bursts of warmth peaking at 12°C (53°F). The month experiences relatively low precipitation, with only 23 mm (0.9 in) over just 2 days, and a moderate humidity of 71%.

In stark contrast, July brings a burst of warmth with minimum temperatures around 15°C (59°F) and average highs soaring to 25°C (77°F), occasionally reaching a sweltering 35°C (95°F). This summer month is much wetter, with rainfall totaling 253 mm (10.0 in) spread across 15 days, and humidity levels rising to a humid 91%. For more details on July weather, you can check Gapyeong weather in July.

January and August present a striking contrast in weather conditions. In January, temperatures can plummet to a minimum of -20°C (-4°F), with an average around -3°C (27°F) and a maximum of 12°C (53°F). The month sees limited precipitation, totaling just 23 mm (0.9 in) over a couple of days, accompanied by a humidity level of 71%. In stark contrast, August boasts significantly warmer temperatures, with lows of 14°C (57°F), averages around 25°C (78°F), and peaks reaching as high as 37°C (99°F). Additionally, August experiences much higher precipitation, totaling 275 mm (10.8 in) over 18 days, coupled with a humidity level of 91%. For more details about August weather, check out Gapyeong weather in August.

January and September present strikingly different weather conditions. In January, temperatures range from a chilling minimum of -20°C (-4°F) to a maximum of 12°C (53°F), with an average temperature of -3°C (27°F). The month experiences minimal precipitation, totaling just 23 mm (0.9 in) over 2 days, and a relative humidity of 71%. In contrast, September enjoys much milder temperatures, starting at a minimum of 7°C (44°F) and reaching a maximum of 29°C (85°F), with an average temperature of 20°C (68°F). This month sees significantly higher rainfall, with 143 mm (5.6 in) spread over 9 days, and a slightly higher humidity level of 77%. For a closer look at the weather trends, you can visit Gapyeong weather in September.

January and October exhibit strikingly different weather patterns. In January, temperatures plummet with a minimum of -20°C (-4°F) and an average of -3°C (27°F), reaching a maximum of only 12°C (53°F). The month sees limited snowfall with just 23 mm (0.9 in) of precipitation over two days and a humidity level of 71%. In contrast, October enjoys a much milder climate, with minimum temperatures around -2°C (28°F) and averages climbing to 13°C (56°F), peaking at a comfortable 27°C (81°F). This month is wetter, receiving 61 mm (2.4 in) of precipitation over six days, accompanied by a slightly higher humidity of 79%. For more detailed insights, check out Gapyeong weather in October.

When comparing the weather in January and November, it is evident that November is significantly milder. January experiences much colder temperatures, with a minimum of -20°C and an average of -3°C, while November sees a minimum of -7°C and averages around 6°C. Precipitation is also more frequent in November, with 56 mm falling over 5 days compared to January's modest 23 mm over just 2 days. Additionally, November has higher humidity levels at 80%, compared to January's 71%, creating a slightly more damp atmosphere during the transition into winter. For a more detailed look at the weather conditions during November, you can check this link: Gapyeong weather in November.

In January, temperatures generally range from a minimum of -20°C (-4°F) to a maximum of 12°C (53°F), with an average of -3°C (27°F). The month sees about 23 mm (0.9 in) of precipitation over just 2 days and maintains a humidity level of 71%. Conversely, December experiences slightly milder temperatures, with a minimum of -19°C (-3°F) and a maximum of 11°C (52°F), averaging -1°C (30°F). It also receives approximately 22 mm (0.9 in) of precipitation, but over a longer duration of 4 days, resulting in a higher humidity of 74%. For a more detailed look at December weather patterns, you can check Gapyeong weather in December.

Compare Gapyeong's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Gapyeong

January in Gapyeong offers a striking contrast to the milder months of the year, characterized by its crisp temperatures and infrequent precipitation. With an average temperature lingering around -3°C, this winter month tends to embrace the chill, drawing visitors who relish the serene beauty of snow-dusted landscapes. The humidity levels at 71% enhance the cool atmosphere, but with just a couple of rainy days, January remains predominantly dry, making it a great time for winter activities. For a deeper insight into the climatic nuances throughout the year, you can explore Gapyeong Climate.