Last updated: October 30, 2025
January in Wonju, South Korea, showcases a striking winter landscape, marked by a maximum temperature of 12°C (54°F) and an average chill of -3°C (28°F). As the coldest month, it can plunge to a brisk minimum of -20°C (-3°F), creating a stark contrast that defines the season. Alongside these temperatures, residents experience 24 mm (0.9 in) of precipitation over approximately 4 days, contributing to the region's typical winter humidity of 71%. Whether it's the crisp air or the occasional snowfall, January offers a unique glimpse into Wonju's enchanting winter charm.
In Wonju, South Korea, January brings a sharp chill, with temperatures dipping as low as -20°C (-3°F) and averaging around -3°C (28°F). Despite these frigid conditions, daytime highs can reach a mild 12°C (54°F), illustrating the significant temperature swings characteristic of winter. As winter progresses into February, the cold persists, with minimum temperatures only slightly moderating to -17°C (2°F). However, a gradual warming trend is evident by March, as the average climbs to 6°C (44°F), signaling the approach of spring. This monthly progression showcases a transformation from the severe cold of January to the more temperate conditions of early spring, making it a captivating time in Wonju, where nature prepares to awaken from its winter slumber.
In January, Wonju, South Korea, experiences a modest precipitation total of 24 mm (0.9 in) over just four rainy days, marking the last leg of the dry winter season. As the year progresses into February, precipitation begins to rise slightly to 32 mm (1.2 in), maintaining the same number of wet days. This trend continues into March, where the rainfall jumps to 64 mm (2.5 in) over seven days, indicating a shift toward the wetter spring months. The increase is quite pronounced as spring unfolds, with April and May contributing 83 mm (3.3 in) and 110 mm (4.3 in) respectively, both months featuring more frequent rain. The summer months, particularly July and August, see a significant peak in precipitation, with a staggering 242 mm (9.5 in) and 258 mm (10.2 in), reflecting the region's monsoonal patterns. As the year winds down, precipitation begins to taper off again, with October and November delivering 67 mm (2.6 in) and 52 mm (2.1 in), respectively, before returning to a quieter December with 25 mm (1.0 in). Overall, there is a clear seasonal rhythm to Wonju's precipitation, with significant increases in spring and summer, balanced by drier conditions in winter and early fall.
In January, Wonju, South Korea experiences a humidity level of 71%, setting the stage for a winter that gradually shifts into vibrant spring conditions. As the month transitions into February, humidity dips slightly to 66%, laying the groundwork for drier air. However, as spring unfolds, a noticeable rise in humidity is observed in April, reaching 74%, before peaking in May at 79%. The trend continues upward as summer approaches, with June and July soaring to 82% and a staggering 91%, respectively, creating a humid climate that persists into August. Following the peak summer months, humidity begins to taper off in September to 77%, maintaining relatively high levels through the fall, with November recording 80%. Ultimately, December sees a slight decline to 76%, closing the year on a moderately humid note. This pattern highlights a clear seasonal rhythm, with the air growing increasingly moist from spring through summer, before gradually becoming more temperate in the cooler months.
In January, Wonju experiences a moderate UV Index of 3, which translates to a burn time of 30 minutes for unprotected skin. As the season progresses into February, the UV Index rises slightly to 4, maintaining the same burn time but hinting at the increasing intensity of the sun. By March, the intensity shifts to a high UV Index of 6, reducing the safe exposure time to 25 minutes. The most significant changes occur in April and May, where the Index reaches a striking 9, indicating a very high risk; this means a limited burn time of just 15 minutes. The summer months see this trend peak with an extreme UV Index of 11 in June and July, and even hitting 12 in August, necessitating precautions with only 10 minutes of unprotected sun exposure. As autumn approaches, September shows a decline to a very high Index of 10, while October cools down further to a high Index of 7. The year rounds off with November and December returning to moderate levels at 4 and 3, respectively, each allowing for 30 minutes of exposure. For more detailed insights on UV exposure in this region, check out Wonju UV Index.
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In January, Wonju, South Korea, experiences 199 hours of sunshine, setting a modest tone for the year ahead. As winter transitions into spring, the city welcomes a steady increase in sunlight, reaching 239 hours in February and continuing to blossom with 274 hours in March. This upward trajectory peaks in the vibrant months of late spring and early summer, where May and June bask in 304 and 310 hours respectively. However, as summer gives way to the cooler autumn months, the sunlight begins to wane slightly, with July and August recording 279 and 264 hours. The year gradually stabilizes, maintaining consistent levels of sunshine, from 251 hours in September to 233 hours by November. This rhythm of sunshine showcases Wonju's delightful shift from the chill of winter to the warmth of summer, ultimately settling into a gentle autumn glow by year's end.
In January, Wonju, South Korea enjoys a 56% chance of sunny weather, making it one of the brighter months of the winter season. Interestingly, this slight advantage in sunshine continues into February (55%), but as spring approaches, the likelihood diminishes significantly to 42% by March and April. This trend of decreasing sunshine persists through the warmer months, dipping to a low of 25% in August. However, as the year transitions towards winter again, the chances of sunny days rebound, peaking at 64% in December. Overall, January stands out as a month where residents can expect a balance of crisp winter air and bright, sunny spells, setting a positive tone for the year ahead.
In Wonju, South Korea, the progression of daylight during January marks the beginning of a subtle yet captivating transformation. With only 9 hours of daylight, the month cradles the chill of winter before the days gradually lengthen. As February approaches, daylight extends to 10 hours, signaling the first whispers of spring. This trend continues into March with 11 hours of light, a precursor to the vibrant energy of April, where daylight blossoms to 13 hours. The rhythm of increasing daylight reaches its peak in May and June, both boasting 14 hours of sunlight, perfect for outdoor activities and enjoying nature's beauty. However, as summer gives way to autumn, the daylight gradually recedes, tapering to 13 hours in August and down to 9 hours by December. This annual cycle not only reflects the changing seasons but also invites residents and visitors alike to embrace each phase of Wonju's unique charm.
In January, the wind in Wonju, South Korea presents itself with an average speed of 2.5 m/s (approximately 6 mph), marking a noticeable start to the year. This briskness is complemented by a slight uptick in February to 2.8 m/s, before tapering off to 2.3 m/s in March. As the seasons transition into spring, wind speeds shift subtly, remaining stable around 2.4 m/s in April and dropping to 2.3 m/s in May. The summer months witness a gentle decline, with July's winds slowing to 1.6 m/s (just 3 mph), indicating a calm atmosphere. The coolest months of the year, December and November, see a resurgence with speeds reaching back to 2.4 m/s and 2.2 m/s, respectively, as the region braces for winter's chill. Overall, January stands out not just for its brisk winds, but also as part of a larger trend of fluctuating speeds throughout the year, reflecting Wonju's dynamic climate.
Weather in Wonju varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Wonju, focusing on differences in temperature, rainfall, humidity, and UV levels.
January's weather tends to be colder than February's, with average temperatures hovering around -3°C (28°F), while February sees a rise to an average of 0°C (32°F). January's minimum temperatures can plunge to -20°C (-3°F), whereas February remains slightly milder with a minimum of -17°C (2°F). Precipitation also increases in February, amounting to 32 mm (1.2 in) compared to January's 24 mm (0.9 in), yet both months experience precipitation on four days. Humidity in January is a bit higher at 71%, dropping to 66% in February. For a closer look at February's weather specifics, visit Wonju weather in February.
January weather in Wonju is characterized by frigid temperatures, with a minimum of -20°C (-3°F) and an average of -3°C (28°F). The month sees limited precipitation, totaling 24 mm (0.9 in) over just four days, accompanied by a relatively high humidity of 71%. In contrast, March marks a significant warming trend, featuring a minimum temperature of -6°C (21°F) and an average of 6°C (44°F), reaching a maximum of 21°C (70°F). The month experiences increased precipitation at 64 mm (2.5 in) over seven days, with humidity decreasing slightly to 64%. As spring approaches, the weather in March becomes notably milder compared to the depths of winter in January. For more details, check out Wonju weather in March.
January and April in Wonju present a stark contrast in weather. January boasts frigid temperatures, with a minimum of -20°C (-3°F) and an average around -3°C (28°F), only reaching a maximum of 12°C (54°F). Precipitation is limited to 24 mm (0.9 in) over just four days, and humidity stands at 71%. In sharp comparison, April brings a significant warming trend, featuring a minimum temperature of -3°C (27°F) and an average of 12°C (53°F), with highs reaching 27°C (81°F). This month also sees increased precipitation, totaling 83 mm (3.3 in) over seven days, alongside a slight rise in humidity to 74%. For more details on the climate during this month, you can check Wonju weather in April.
In January, the weather is characterized by frigid temperatures, with a minimum of -20°C (-3°F) and an average of only -3°C (28°F), making it a stark contrast to May's much milder climate. While January experiences limited precipitation of 24 mm (0.9 in) over just four days, May sees a significant increase, with 110 mm (4.3 in) spread over ten days, indicating a shift to a wetter season. Moreover, May boasts warmer temperatures, with highs reaching up to 31°C (88°F) compared to January’s maximum of 12°C (54°F), creating a more comfortable and humid environment with 79% humidity compared to January's 71%. For a detailed look at the weather during this vibrant month, check out Wonju weather in May.
The contrast between January and June weather is striking. In January, the temperatures range from a frigid -20°C (-3°F) to a mild 12°C (54°F), with an average of -3°C (28°F). Precipitation is relatively low, totaling 24 mm (0.9 in) over just 4 days, while the humidity sits at 71%. In stark comparison, June experiences much warmer temperatures, with a minimum of 10°C (50°F), an average of 21°C (71°F), and a maximum of 33°C (91°F). The month also sees increased rainfall, accumulating 92 mm (3.6 in) over 9 days, along with higher humidity at 82%. For further details on this month’s climate specifics, check out the link: Wonju weather in June.
January and July present stark contrasts in weather conditions. In January, temperatures can plummet to a minimum of -20°C (-3°F) and typically average around -3°C (28°F), while the maximum reaches a relatively mild 12°C (54°F). During this month, precipitation is limited to 24 mm (0.9 in) over just 4 days, and the humidity stands at 71%. In contrast, July brings a much warmer climate, with temperatures varying from a minimum of 15°C (59°F) to an average of 25°C (77°F), peaking at 35°C (95°F). This summer month sees considerable rainfall, accumulating 242 mm (9.5 in) across 16 days, along with heightened humidity levels at 91%. For more details, visit Wonju weather in July.
January and August present stark contrasts in weather. January is characterized by frigid temperatures, with a minimum of -20°C (-3°F) and an average around -3°C (28°F), while August offers a warm embrace with minimum temperatures of 13°C (56°F) and an average of 25°C (77°F). Precipitation also varies significantly; January sees just 24 mm (0.9 in) over 4 days, whereas August receives a substantial 258 mm (10.2 in) over 17 days, contributing to a higher humidity level of 91%. For more details on the specific weather conditions in August, visit Wonju weather in August.
The weather in January presents a stark contrast to that of September. January temperatures can plunge as low as -20°C (-3°F), averaging around -3°C (28°F), while the maximum reaches a mild 12°C (54°F). In comparison, September enjoys a much warmer climate, with temperatures ranging from a minimum of 6°C (44°F) to an average of 20°C (68°F) and peaking at 29°C (85°F). Precipitation also differs significantly; January sees only 24 mm (0.9 in) over 4 days, whereas September experiences a much wetter period with 154 mm (6.1 in) spread over 10 days. Additionally, humidity levels are slightly higher in September at 77%, compared to January's 71%. For more detailed information, you can check Wonju weather in September.
January and October display contrasting weather patterns, with January characterized by frigid temperatures that can plunge as low as -20°C (-3°F), resulting in an average of -3°C (28°F), while peaks reach only 12°C (54°F). In contrast, October enjoys milder conditions, with minimum temperatures at -1°C (30°F) and an average high of 28°C (83°F). Precipitation also varies notably; January sees 24 mm (0.9 in) across 4 days, whereas October experiences a significantly wetter climate with 67 mm (2.6 in) over 6 days. Additionally, October has a higher humidity level at 78%, compared to January’s 71%. For more details about October weather, visit Wonju weather in October.
In January, temperatures plummet considerably, with a minimum of -20°C (-3°F) and an average temperature of -3°C (28°F), while the maximum barely reaches 12°C (54°F). Precipitation is relatively low, totaling 24 mm (0.9 in) over just four days, and humidity averages around 71%. In contrast, November experiences milder temperatures, with a minimum of -7°C (20°F) and an average of 6°C (43°F), peaking at a pleasant 20°C (68°F). Precipitation is higher in November, measuring 52 mm (2.1 in) across six days, and humidity is slightly elevated at 80%. For more details about weather conditions in November, you can visit Wonju weather in November.
January and December present quite similar weather patterns, though January tends to be slightly milder. In January, the temperatures range from a minimum of -20°C (-3°F) to a maximum of 12°C (54°F), with an average of -3°C (28°F) and a humidity level of 71%. December, on the other hand, sees even colder temperatures, with a minimum of -24°C (-11°F) and an average of -1°C (30°F), while also reaching a maximum of 12°C (53°F). Precipitation is comparable, with January receiving 24 mm (0.9 in) over 4 days and December slightly higher at 25 mm (1.0 in) across 5 days. To explore more about December's weather, you can visit Wonju weather in December.
January in Wonju stands out as a month of significant chill, contrasting sharply with the milder seasons that bookend it. With an average temperature hovering around -3°C, the winter air can bite, particularly with occasional dips reaching as low as -20°C. Precipitation is relatively sparse, marked by just a few rainy days that often appear alongside the moisture-laden winter air, and a humidity level of 71% adds to the brisk feel. For those intrigued by the specifics of Wonju's seasonal transitions, a deeper dive into the climate details can be found here: Wonju Climate.