Last updated: October 30, 2025
January in Hwaseong-si, South Korea brings a chill that is felt throughout the month, with average temperatures hovering around 0°C (32°F). Daytime highs can reach a maximum of 10°C (50°F), while the nights can plunge to a frigid -14°C (7°F). This stark temperature range is accompanied by 24 mm (0.9 in) of precipitation, typically spread over three days. Additionally, the month sees a moderate humidity level of 71%, creating a crisp atmosphere that defines the winter season in the region. Prepare for a mix of cold and moisture as you explore the beauty of Hwaseong-si in January!
In Hwaseong-si, South Korea, January brings a chill that defines the heart of winter, with temperatures averaging around 0°C (32°F). The month starts off with a biting minimum of -14°C (7°F), progressively warming to a mild maximum of 10°C (50°F). This stark contrast highlights the region’s winter charm, where frosty mornings gradually yield to brighter afternoons. As the month transitions, a noticeable shift in the weather ushers in February, where temperatures rise slightly, hinting at the approaching spring. By March, the climate begins to thaw, with a minimum of -4°C (25°F) and an average reaching a comfortable 6°C (43°F). This gradual warming trend continues throughout the spring months, culminating in April’s delightful averages of 11°C (51°F), showcasing Hwaseong-si's seasonal transformation from the crispness of winter to the budding warmth of spring.
In January, Hwaseong-si experiences a relatively dry start to the year, with only 24 mm (0.9 in) of precipitation falling over just 3 days. This marks a significant contrast to the heavier downpours that arrive in the summer months. As the seasons progress, precipitation steadily increases, peaking during July and August, when the city is drenched with an impressive 239 mm (9.4 in) and 261 mm (10.3 in), respectively. This seasonal shift highlights the transition from the frigid winter months to the humid summer, with rainfall reaching a crescendo, offering a lush resurgence to the landscape after the sparse rainfall of January. As the year unfolds, the precipitation trends reflect the distinct changes in Hwaseong-si's climate, illustrating a striking transformation from the cool, dry days of early winter to the vibrant, rain-soaked summer.
January in Hwaseong-si, South Korea, sees an average humidity of 71%, setting the stage for a winter that is both crisp and slightly damp. As the year progresses into February and March, humidity levels dip to 65%, providing a brief reprieve before a rise in moisture begins in April. By the time May rolls around, humidity surges to 81%, signaling the approach of summer. The trend continues into June and July, where humidity peaks at 91%, creating a muggy atmosphere typical of southern summers. Though it remains high through August, humidity begins to decline in the fall months, settling at 77% in September and gradually returning to more moderate levels by December. Overall, Hwaseong-si experiences a distinct seasonal humidity pattern, swinging from drier winter months to the oppressive mugginess of summer.
In January, Hwaseong-si experiences a moderate UV Index of 3, indicating a burn time of about 30 minutes for unprotected skin. This relatively mild exposure sets the stage for a gradual rise in UV intensity as the year progresses. By February, the UV Index climbs to 4, maintaining the moderate category, while in March, it reaches 6, marking the onset of high exposure with a reduced burn time of 25 minutes. As spring unfolds, April and May see significant increases, with UV levels peaking at 8 and 9 respectively—both categorized as very high—and a drastically shorter burn time of just 15 minutes. The summer months intensify even further, with July and August both hitting an extreme UV Index of 11, highlighting the need for heightened sun protection, as the burn time drops to a mere 10 minutes. As fall approaches, levels decrease again, with September (UV Index of 9) and October (UV Index of 6) shifting back into higher yet manageable categories. Finally, November and December see a return to moderate conditions, both at a UV Index of 4 and 3, respectively, each allowing for a burn time of 30 minutes once more. This trend illustrates the critical fluctuation in UV exposure throughout the year, emphasizing the need for vigilance in sun protection. For more details, visit Hwaseong-si UV Index.
UV Risk Categories
In Hwaseong-si, South Korea, January marks the beginning of the year with 198 hours of sunshine, a gentle start that gradually builds through the winter months. As February approaches, the sunlight increases to 242 hours, hinting at the promise of spring. March and April witness a noticeable uptick, with 283 and 289 hours respectively, as nature awakens and blossoms. The crescendo of sunshine reaches its peak in May and June, boasting 315 and 318 hours, enticing residents and visitors alike to enjoy the outdoors. As summer wanes, the hours lessen yet remain generous, with 293 hours in July and 290 hours in August. The transition into autumn brings a slight decline, with September at 261 hours and October at 266 hours, before November and December settle back to 231 and 235 hours. This seasonal dance of sunlight not only marks the passage of time but also enhances the vibrant cultural tapestry of Hwaseong-si throughout the year.
In January, Hwaseong-si experiences a 42% chance of sunny weather, marking a relatively modest start to the year. This figure subtly contrasts with the more promising 52% in February, suggesting a gradual increase in brightness as winter begins to recede. As spring approaches, March and April maintain similar sunny probabilities at 43% and 44%, respectively, reflecting a steady trend towards longer, sunnier days. However, May dips slightly to 40%, overshadowing the transition with a touch of unpredictability. The subsequent month sees a stable 41%, while the peak summer months of July and August drop to the lowest chances of sunshine, at 33% and 34%. Surprisingly, the sunny likelihood rebounds in fall, reaching 57% by November and December, suggesting that while winter may bring cold, the sun's presence is not entirely absent. Overall, the data illustrates a dynamic relationship between the seasons, with January opening the door to a gradual increase in sunny days as the year unfolds.
In Hwaseong-si, South Korea, the daylight duration in January offers a glimpse of the seasonal shifts throughout the year. With just 9 hours of daylight, this month marks the beginning of a gradual increase as February brings an additional hour, setting the stage for the lively spring months ahead. By March, daylight extends to 11 hours, and the trend continues upwards, peaking in May and June at 14 hours each. As summer fades into autumn, daylight begins to taper off, with September providing 12 hours before the hours decrease again in October and November, returning to 10 and 9 hours respectively by the end of the year. This rhythmic cycle of daylight underscores the dynamic change of seasons, transforming Hwaseong-si into a landscape kissed by varying lengths of light throughout the year.
In January, Hwaseong-si experiences an average wind speed of 4.6 m/s (10 mph), marking the beginning of a subtle seasonal fluctuation. As winter fades into early spring, the wind speed edges up slightly to 4.9 m/s (11 mph) in February, reflecting the dynamic weather changes typical of the season. However, by March, a noticeable dip occurs, with winds calming to 3.6 m/s (8 mph), suggesting a gentle shift as the region prepares for warmer days. The trend continues through the spring months, with fluctuating speeds around the 4.0 m/s (9 mph) mark in April and 3.9 m/s (9 mph) in May, before settling into a quieter summer pattern. Notably, June and July bring a drop to 2.9 m/s (7 mph) and 2.7 m/s (6 mph), respectively, highlighting how the summer months tend to be more tranquil. As the year progresses, the winds begin to pick up again in autumn, returning to 4.1 m/s (9 mph) in November and back to 4.6 m/s (10 mph) by December, encapsulating a seamless cycle of seasonal breezes that characterize Hwaseong-si's climate throughout the year.
Weather in Hwaseong-si varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Hwaseong-si, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather is generally colder, with temperatures ranging from a minimum of -14°C (7°F) to an average of 0°C (32°F) and a maximum of 10°C (50°F). The month sees about 24 mm (0.9 in) of precipitation over 3 days, with humidity levels around 71%. In contrast, February exhibits slightly milder conditions, with temperatures ranging from a minimum of -10°C (14°F) to an average of 1°C (33°F) and a maximum of 11°C (52°F). Precipitation increases to 27 mm (1.0 in), occurring over 4 days, and humidity decreases to 65%. For more specific details on February weather, visit Hwaseong-si weather in February.
In January, Hwaseong-si experiences significantly colder weather, with temperatures dropping as low as -14°C (7°F) and averaging around 0°C (32°F). The month sees limited precipitation with only 24 mm (0.9 in) over about three days and a higher humidity level of 71%. In contrast, March brings a notable warming trend, with minimum temperatures of -4°C (25°F) and an average reaching 6°C (43°F), peaking at a maximum of 15°C (60°F). Precipitation increases to 55 mm (2.2 in) over five days, alongside a drop in humidity to 65%. For more detailed insights on the weather in March, you can visit Hwaseong-si weather in March.
January and April present a stark contrast in weather conditions. In January, temperatures can drop as low as -14°C (7°F), with an average of 0°C (32°F) and a maximum of 10°C (50°F). The month sees around 24 mm (0.9 in) of precipitation over just three days, accompanied by a humidity level of 71%. In contrast, April brings a significant warming trend with minimum temperatures rising to 3°C (37°F), an average of 11°C (51°F), and maximums reaching 22°C (71°F). Precipitation increases to 65 mm (2.6 in) over six days, while humidity slightly rises to 75%. This transition highlights the movement from the frigid depths of winter to the mildness of spring. For more details on April weather, visit Hwaseong-si weather in April.
In January, the weather in Hwaseong-si is characterized by chilly temperatures, with a minimum of -14°C (7°F) and an average of 0°C (32°F), making it a cold month overall. Precipitation is relatively low, with only 24 mm (0.9 in) spread over 3 days, and the humidity sits at 71%. In contrast, May brings a dramatic shift in weather, with temperatures ranging from a minimum of 8°C (46°F) to a pleasant average of 16°C (60°F) and a maximum of 23°C (73°F). This month sees significantly higher precipitation at 113 mm (4.4 in) over 9 days, along with increased humidity at 81%. Overall, May offers a much warmer and wetter climate, showcasing the transition from winter to spring. For more details, you can check Hwaseong-si weather in May.
January and June present strikingly contrasting weather patterns. In January, temperatures are quite frigid, with a minimum of -14°C (7°F) and an average of 0°C (32°F), while precipitation is relatively low at 24 mm (0.9 in), occurring over just 3 days. The humidity stands at 71%, creating a chilly atmosphere. In contrast, June brings much warmer conditions, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 26°C (79°F), alongside significantly higher precipitation of 83 mm (3.3 in) spread over 7 days. The humidity rises to 85%, contributing to a much more sultry climate. For further details on June weather, you can visit Hwaseong-si weather in June.
January and July present starkly contrasting weather conditions. In January, temperatures can plummet to a minimum of -14°C (7°F), with an average around freezing at 0°C (32°F) and a maximum reaching 10°C (50°F). The month sees relatively low precipitation of 24 mm (0.9 in), occurring over just three days, along with a humidity level of 71%. In contrast, July features much warmer temperatures, with a minimum of 19°C (67°F), an average of 24°C (76°F), and highs soaring up to 31°C (89°F). The summer month experiences significant rainfall, totaling 239 mm (9.4 in) over 12 days, accompanied by heightened humidity levels of 91%. For a more detailed look, check out Hwaseong-si weather in July.
The weather in January presents a stark contrast to that of August. In January, temperatures range from a chilly -14°C (7°F) at night to a milder 10°C (50°F) during the day, with an average hovering around 0°C (32°F). Precipitation is relatively low at 24 mm (0.9 in) over just three days, and humidity is at 71%, giving it a crisp and cold feel.
In contrast, August experiences much warmer conditions with temperatures ranging from a minimum of 19°C (67°F) to a peak of 32°C (90°F), averaging around 26°C (79°F). The month makes up for the dryness of January with significant rainfall, totaling 261 mm (10.3 in) over 13 days, and humidity levels rise to 91%, contributing to the muggy summer atmosphere. For a more detailed look at August weather, visit Hwaseong-si weather in August.
January and September present starkly contrasting weather conditions. In January, temperatures can plummet to a minimum of -14°C (7°F), with an average of 0°C (32°F) and a maximum of 10°C (50°F). Precipitation is relatively low, occurring on only 3 days with a total of 24 mm (0.9 in), and humidity sits at 71%. In sharp contrast, September enjoys much milder temperatures, ranging from a minimum of 15°C (59°F) to an average of 22°C (72°F) and peaking at 29°C (84°F). This month experiences significantly more rainfall, with 141 mm (5.6 in) of precipitation spread over 9 days, alongside a slightly higher humidity level of 77%. For more detailed insights into September weather, visit Hwaseong-si weather in September.
In January, the weather is markedly colder, with temperatures ranging from a minimum of -14°C (7°F) to a maximum of 10°C (50°F) and an average of 0°C (32°F). The month sees relatively low precipitation, totaling 24 mm (0.9 in) over just three days, along with a humidity level of 71%. In stark contrast, October experiences a much milder climate, with temperatures ranging from a minimum of 5°C (40°F) to a maximum of 26°C (79°F) and an average of 16°C (61°F). This month is wetter, accumulating 65 mm (2.6 in) of rainfall over six days, and higher humidity levels at 79%. For more detailed information on October weather specifics, check this link: Hwaseong-si weather in October.
January and November present distinctly different weather patterns. In January, temperatures can plummet to a minimum of -14°C (7°F) and hover around an average of 0°C (32°F), reaching a maximum of only 10°C (50°F). With low precipitation at 24 mm (0.9 in) over just 3 days, January tends to be drier but colder, featuring a humidity level of 71%. In stark contrast, November boasts milder temperatures with a minimum of -2°C (29°F) and an average of 9°C (49°F), peaking at 19°C (66°F). November also experiences more precipitation, totaling 66 mm (2.6 in) over 7 days, alongside a higher humidity of 80%. For further details on the weather in November, you can explore Hwaseong-si weather in November.
In comparing the weather of January and December, January tends to be colder with average temperatures around 0°C (32°F), dipping as low as -14°C (7°F), whereas December's average temperature is slightly warmer at 2°C (36°F) with a minimum of -11°C (13°F). Precipitation levels are relatively low in January, with only 24 mm (0.9 in) falling over just 3 days, compared to December, which sees more precipitation at 31 mm (1.2 in) over 6 days. Additionally, humidity levels are quite similar in both months, with January at 71% and December slightly higher at 74%. For a more detailed overview, you can visit Hwaseong-si weather in December.
As January rolls into Hwaseong-si, the chill of winter firmly establishes itself, contrasting sharply with the milder temperatures found in other months. This month typically sees an average temperature that hovers around freezing, accompanied by cold snaps that can plunge to minuscule lows. The subset of rain is limited, with only a few days of precipitation, but the overall humidity remains moderately high, making the air feel even colder. Embrace the unique beauty of Hwaseong-si this January, where the distinct weather adds a serene chill to the landscape. For more detailed insights, explore the Hwaseong-si Climate.