Last updated: October 30, 2025
December in Icheon-si, South Korea ushers in a chill with temperatures ranging from a brisk -15°C (5°F) at night to a mild 13°C (55°F) during the day, averaging around 0°C (31°F). Throughout the month, 25 mm (1.0 in) of precipitation falls over five days, contributing to a relatively humid atmosphere with 74% humidity levels. This combination of cold temperatures and occasional moisture creates a winter landscape that is both serene and inviting, perfect for embracing the seasonal charm of South Korea.
In Icheon-si, South Korea, December marks the onset of winter with temperatures dipping significantly compared to the preceding months. The month begins with minimums around -15°C (5°F) and struggles to rise above an average of 0°C (31°F), reflecting a stark contrast to the milder autumn months. Daytime highs hover around 13°C (55°F), offering a brief respite from the chill, yet the air retains its crispness. This trend of dropping temperatures sets the stage for the heart of winter, as the region transitions from the cool, yet comfortable, conditions of November, to a much colder reality by January. As such, December in Icheon-si is characterized by a stark chill, demanding warm attire and a cozy atmosphere to enjoy the seasonal charm.
In December, Icheon-si experiences a notable decrease in precipitation, receiving 25 mm (1.0 in) over 5 days. This drop follows the more substantial rainfall seen in the summer months, where July and August dominate the charts with averages exceeding 260 mm. As winter sets in, December marks a transition toward drier conditions, contrasting sharply with the wetter periods earlier in the year. While the precipitation level remains moderate compared to the spring and summer peaks, the frequency of rainy days is consistent with the preceding months, reflecting a mild yet crisp climate that characterizes the region during the late fall.
In December, Icheon-si, South Korea, experiences a notable drop in humidity, hovering around 74%. This marks a decrease from the muggy heights of 91% seen in the peak summer months of July and August. As winter approaches, humidity levels begin to trend downward from the summer's peak, with January starting the year at a higher 71%. The late autumn months of October and November show slightly elevated moisture levels, but December's figures indicate a shift towards drier conditions as cold weather sets in. This pattern underscores a gradual transition from the humid summer season, providing a crisp atmosphere that characterizes the city's winter months.
In December, Icheon-si experiences a UV Index of 3, placing it in the moderate exposure category, with a burn time of 30 minutes. As the year draws to a close, the UV levels show a noticeable decline from the extreme highs of summer. From June through August, the region grapples with an extreme UV Index of 11, which calls for heightened sun protection measures, while the spring months see values reaching a peak of 9 in April and May. This trend highlights a seasonal pattern where UV exposure is significantly higher during summer and early fall, making December a welcome respite for those seeking to enjoy the outdoors without the same level of risk. For more detailed insights into UV patterns throughout the year, visit Icheon-si UV Index.
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In Icheon-si, South Korea, December welcomes a brisk yet promising 234 hours of sunshine, contributing to the overarching trend of gradually diminishing sunlight as the year draws to a close. Following the vibrant growth peaking in May and June, where over 300 hours of sunshine flourished, December’s hours reflect a slight decrease from the preceding months, yet still offer a sense of warmth amid the winter chill. The gradual decline is not just a seasonal shift but rather a natural rhythm, capturing the essence of Icheon’s year-long dance with daylight. This month’s light, while less than earlier in the year, still provides a glimmer of cheer, inviting locals and visitors alike to embrace the tranquility of winter.
In December, Icheon-si, South Korea, experiences a notable boost in sunny weather, with the chance of sunshine reaching 64%. This marks a significant increase compared to previous months, particularly from the lower percentages observed during the summer, where the chances drop to as low as 28% in August. Interestingly, November also sees a commendable 56% chance of sun, setting the stage for a hopeful transition into December. As the year winds down, this trend indicates a shift towards brighter days, allowing residents and visitors alike to enjoy the festive season under clearer skies.
In Icheon-si, South Korea, the daylight duration exhibits a fascinating seasonal rhythm. Starting the year with 9 hours of daylight in January, the days gradually lengthen, peaking at 14 hours during the summer months of May through July. Following this zenith, daylight begins its decline, retreating to 13 hours in August and further to 12 hours in September. By the time December rolls around, residents experience a tapering back to 9 hours of daylight, mirroring the beginning of the year. This cyclical pattern underscores the harmony between nature and daily life, as the people of Icheon-si adapt to the changing light throughout the seasons.
As December settles over Icheon-si, South Korea, the wind picks up slightly, averaging 2.5 m/s (6 mph). This month sees a gentle increase from the calmer breezes of summer, where the average plummeted to as low as 1.8 m/s (4 mph) in July and August. Interestingly, the transition into winter brings a resurgence in wind speed, reminiscent of early autumn's 2.2 m/s (5 mph) in September and peaking in January at 2.7 m/s (6 mph). With each shift in season, Icheon-si experiences a dynamic ebb and flow of breezy days, setting the stage for cozy winter evenings where the wind whispers stories of change and renewal.
Weather in Icheon-si varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Icheon-si, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather features a minimum temperature of -15°C (5°F) and an average of 0°C (31°F), peaking at 13°C (55°F), with a total precipitation of 25 mm (1.0 in) spread over 5 days and a humidity level of 74%. In contrast, January tends to be slightly colder, with a minimum of -18°C (-1°F), an average temperature of -2°C (28°F), and the same maximum of 13°C (55°F). The precipitation decreases to 23 mm (0.9 in) over just 3 days, and humidity drops slightly to 71%. For more detailed weather information specific to Icheon-si in January, visit Icheon-si weather in January.
In December, the weather features a minimum temperature of -15°C (5°F) and can reach a maximum of 13°C (55°F), with an average temperature stable around 0°C (31°F). The month experiences moderate precipitation of 25 mm (1.0 in) across approximately 5 days, and the humidity remains relatively high at 74%. In contrast, February sees slightly colder temperatures with a minimum of -16°C (4°F) and a warmer maximum of 19°C (67°F), while still averaging around 0°C (32°F). Precipitation is comparable at 26 mm (1.0 in) but occurs over just 4 days, and the humidity drops to a more comfortable 65%. For a closer look at February weather conditions, visit Icheon-si weather in February.
December weather is characterized by much colder temperatures, with minima plummeting to -15°C (5°F) and an average temperature around 0°C (31°F). In contrast, March sees a notable warming trend, with minimum temperatures around -6°C (21°F) and average highs reaching 7°C (45°F), peaking at 22°C (72°F). Precipitation also varies, with December receiving 25 mm over about 5 days, while March experiences increased rainfall totaling 57 mm across 6 days. Additionally, humidity is higher in December at 74%, compared to a more comfortable 65% in March. For more detailed information, you can check Icheon-si weather in March.
December and April present stark contrasts in weather conditions. In December, temperatures range from a frigid -15°C (5°F) to a mild 13°C (55°F), with an average of around 0°C (31°F). The month sees relatively low precipitation levels of 25 mm (1.0 in) spread over about 5 days, and humidity levels hover at 74%. In contrast, April experiences a much warmer climate, with temperatures fluctuating between -3°C (27°F) and 28°C (82°F), averaging at 12°C (55°F). Precipitation nearly triples to 71 mm (2.8 in) occurring over about 7 days, while humidity slightly increases to 75%. For more detailed weather information, you can check Icheon-si weather in April.
In December, the weather is characterized by much colder temperatures, with a minimum of -15°C (5°F) and an average of 0°C (31°F), while the maximum reaches 13°C (55°F). Precipitation is relatively low, measuring about 25 mm (1.0 in) over 5 days, and humidity stands at 74%. In contrast, May brings a significant warming trend, where temperatures range from a minimum of 4°C (39°F) to an impressive maximum of 33°C (92°F), with an average of 18°C (64°F). During this month, rainfall increases, totaling 109 mm (4.3 in) spread across 9 days, along with a higher humidity level of 81%. For more detailed insights on May weather, you can check Icheon-si weather in May.
December and June present strikingly contrasting weather patterns. In December, temperatures can plummet to a chilling minimum of -15°C (5°F), with an average around 0°C (31°F) and a maximum of 13°C (55°F). The month is characterized by lower humidity at 74% and minimal precipitation of 25 mm (1.0 in) over just 5 days. Conversely, June ushers in warmth, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), and an average of 22°C (72°F). The humidity rises to 85%, and precipitation increases significantly to 85 mm (3.3 in) over 8 days. For those interested in exploring the weather specifics, check out Icheon-si weather in June.
December and July in Icheon-si present a striking contrast in weather. December boasts chilly temperatures, with a minimum of -15°C (5°F) and an average around 0°C (31°F), while July is much warmer, featuring a minimum of 17°C (62°F) and an average of 26°C (78°F). While December typically experiences less precipitation with only 25 mm (1.0 in) over 5 days, July is characterized by heavy rainfall, accumulating around 265 mm (10.4 in) across 16 days. Additionally, the humidity in July is notably higher at 91%, compared to December's 74%. For a closer look at July’s weather specifics, you can refer to Icheon-si weather in July.
December and August present stark contrasts in weather. In December, temperatures can plunge as low as -15°C (5°F) with an average of 0°C (31°F) and a maximum of 13°C (55°F). Precipitation is relatively low, totaling 25 mm (1.0 in) over five days, and humidity hovers around 74%. In sharp contrast, August experiences much milder conditions with minimum temperatures of 15°C (60°F) and an average of 26°C (79°F), soaring up to a maximum of 38°C (101°F). Rainfall is significantly higher in August at 267 mm (10.5 in) over 17 days, coupled with elevated humidity levels at 91%. For a closer look at August's climate, check out Icheon-si weather in August.
The weather in December contrasts sharply with September, showcasing the significant seasonal shift. December experiences colder temperatures, with lows dropping to -15°C (5°F) and an average around 0°C (31°F), while daytime highs reach a maximum of 13°C (55°F). In contrast, September boasts a much milder climate, where temperatures range from a minimum of 7°C (45°F) to a warm average of 21°C (70°F), peaking at 30°C (86°F). Precipitation also varies greatly; December sees 25 mm (1.0 in) over 5 days, whereas September is considerably wetter, with 144 mm (5.7 in) across 9 days. Additionally, humidity levels are slightly higher in September at 77%, compared to December's 74%. For more details on September weather, check out Icheon-si weather in September.
When comparing the weather in December to that in October, notable differences emerge. December experiences significantly colder temperatures, with a minimum of -15°C (5°F) and an average of 0°C (31°F), while October boasts a milder average temperature of 14°C (58°F) and a maximum reaching up to 29°C (84°F). Additionally, October sees more precipitation, totaling 62 mm (2.4 in) over six days, compared to December's 25 mm (1.0 in) across five days. Humidity levels are slightly higher in October at 79%, compared to December's 74%. For a closer look at October weather in Icheon-si, you can visit Icheon-si weather in October.
December weather in Icheon-si is noticeably colder than November, with average temperatures plummeting from 7°C (45°F) in November to around 0°C (31°F) in December. The minimum temperatures dip significantly to -15°C (5°F) in December compared to -6°C (21°F) a month earlier. While both months experience precipitation over five days, December sees less moisture overall, with only 25 mm (1.0 in) compared to November's 53 mm (2.1 in). Humidity levels remain relatively high in both months, though slightly lower in December at 74% versus 80% in November. This stark change sets a chilling tone as winter fully arrives. For more details, you can check Icheon-si weather in November.
As December rolls into Icheon-si, the weather takes a decidedly chillier turn compared to the milder months of fall. With an average temperature hovering around 0°C, residents and visitors alike need to bundle up, especially when faced with minimum lows that can dip as low as -15°C. While the month does see some precipitation, averaging around 25 mm over just five wet days, the increased humidity at 74% can make the cold feel even more biting. This shift to winter conditions creates a unique atmosphere, setting the stage for festive celebrations and cozy indoor activities. For those seeking detailed insights into the seasonal changes, explore more at Icheon-si Climate.