Last updated: October 30, 2025
In March, Seoul, South Korea, experiences a transition from winter chill to the welcoming embrace of spring. With a maximum temperature reaching 21°C (70°F) and an average of 7°C (44°F), the weather invites outdoor activities and floral blooms. However, residents should be prepared for occasional cool evenings, with minimum temperatures dipping to -7°C (20°F). Rainfall totals around 46 mm (1.8 in) over five days, contributing to a humidity level of 65%. This month marks a vibrant shift as Seoul sheds its winter coat and welcomes the joy of warmer days ahead.
As March blankets Seoul in the cool embrace of early spring, temperatures begin to shift noticeably from the winter chill. With minimums dipping to -7°C (20°F) and averaging a comfortable 7°C (44°F), the city awakens from its frost-laden slumber. Days bring a refreshing warmth, with highs reaching 21°C (70°F), signaling the promise of blooming cherry blossoms and vibrant outdoor activities. Transitioning from the icy grips of February, which saw lows plummet to -14°C (7°F), March presents a delightful contrast, inviting both locals and visitors to enjoy the emerging signs of spring. This gradual rise in temperature not only enhances the city's landscape but also serves as a reminder of the seasonal shifts that define Seoul’s climatic character.
March marks a transition in weather patterns for Seoul, South Korea, with precipitation rising notably to 46 mm (1.8 in) over 5 days of rainfall. This increase from the drier winter months, where January and February recorded only 19 mm and 22 mm, respectively, signals the onset of spring and a shift towards a wetter climate. As temperatures warm, the steady uptick in precipitation continues into April, reaching 55 mm (2.2 in). The data suggests that March acts as a bridge, with doubling rainfall compared to the preceding months, setting the stage for the more substantial deluges that characterize the early summer months. This upward trend highlights the importance of March as a pivotal month in Seoul's annual climate cycle, as it lays the groundwork for the lush growth and vibrant energy of springtime.
In March, Seoul, South Korea experiences a steady humidity level of 65%, maintaining the same figure recorded in February. This relatively mild humidity marks the transition toward the more humid months ahead, as the city prepares for the arrival of spring. Observing the trend, humidity begins to rise significantly in April, reaching 75%, and continues to climb, peaking at an impressive 91% in both July and August. As winter gives way to a warmer climate, March serves as a pivotal month, hinting at the increasing moisture that characterizes the following seasons.
As March rolls into Seoul, South Korea, the UV Index rises to 6, marking a shift from moderate to high exposure levels. This increase signals that sun protection becomes increasingly important, with a reduced burn time of just 25 minutes. Following the trend from previous months, UV radiation is on the upswing, hinting at the onset of spring and more outdoor activities. As we anticipate the warmer months ahead—when April's index jumps to a striking 8—it's crucial to stay vigilant about sun safety. For more information about UV levels throughout the year, check out Seoul UV Index.
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March in Seoul heralds the arrival of longer, sunnier days, with an impressive 282 hours of sunshine, marking a notable increase from February’s 242 hours. This upward trend in daylight not only signals the end of winter's grip but also sets the stage for the vibrant spring that follows. As April approaches, the sunshine continues to rise slightly to 287 hours, paving the way for the blossoming cherry trees and outdoor festivities that the season is celebrated for. It's a time when the city awakens, and the increasing daylight hours invite locals and visitors alike to bask in the emerging warmth of spring.
As March arrives in Seoul, South Korea, the likelihood of sunny weather dips to 43%, marking a subtle transition from the winter months where sunshine is more abundant, with a 55% chance in both January and February. This decrease suggests the onset of early spring, as the city prepares for the blooming season ahead. Interestingly, this slight decline is followed by a marginal uptick in April at 44%, hinting at the gradual re-emergence of clearer skies. As the temperatures rise and the chance of sun fluctuates, March serves as a bridge between the cold winter's grip and the vibrancy of spring, offering a mix of cloudy days and occasional sunshine that can surprise the unwary.
As March unfolds in Seoul, South Korea, the city basks in an increase of daylight hours, growing from 10 hours in February to a refreshing 11 hours. This gradual lengthening mirrors the arrival of spring, inviting residents to embrace the warmer days ahead. With each passing month, daylight continues to increase, reaching a peak of 14 hours in May and June, before gracefully tapering off in the summer and autumn months. This rhythmic shift not only marks the changing seasons but also enhances the vibrancy of urban life, as longer days provide more time for outdoor activities and exploration.
As March unfolds in Seoul, the wind plays a gentle role in the city's transition from winter to spring. With an average wind speed of 2.5 m/s (6 mph), March experiences a slight drop from the brisker gusts of February at 3.1 m/s (7 mph). This moderate breeze serves as a precursor to the gradually warming temperatures, creating an inviting atmosphere for outdoor activities. Interestingly, as the months progress, wind speed generally trends downward, reaching its lowest in the sultry summer months of July, when it drops to 1.8 m/s (4 mph). By the time autumn rolls in, the winds pick up again slightly, reflecting the dynamic climatic shifts that characterize Seoul throughout the year.
Weather in Seoul varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Seoul, focusing on differences in temperature, rainfall, humidity, and UV levels.
March generally experiences milder temperatures compared to January, with average highs reaching around 21°C (70°F), while January's average peak is only 13°C (55°F). Minimum temperatures in March also show improvement, dropping to a minimum of -7°C (20°F), compared to January's colder -18°C (1°F). Additionally, March sees more precipitation, with 46 mm (1.8 in) over about 5 days, compared to January's 19 mm (0.8 in) across just 2 days. While January has a slightly higher humidity level at 71%, March offers a more comfortable 65%. For more details on January weather, visit Seoul weather in January.
March generally shows a noticeable improvement in weather conditions compared to February. The minimum temperature rises from -14°C (7°F) in February to -7°C (20°F) in March, while average temperatures increase from 0°C (32°F) to 7°C (44°F). Maximum temperatures also see an uptick, reaching a pleasant 21°C (70°F) in March compared to February's peak of 18°C (65°F). Precipitation amounts are higher in March, totaling 46 mm (1.8 in) over 5 days, compared to February's 22 mm (0.8 in) over 4 days. Despite the increased rainfall, the humidity remains consistent at 65% for both months. For more detailed information, check Seoul weather in February.
March and April weather show a noticeable shift as spring progresses in Seoul. In March, temperatures range from a chilly minimum of -7°C (20°F) to a mild maximum of 21°C (70°F), with an average temperature of 7°C (44°F). The month sees about 46 mm (1.8 inches) of precipitation over five days and humidity levels around 65%. In contrast, April offers a more temperate climate with temperatures starting at a minimum of 0°C (32°F) and peaking at a pleasant 28°C (82°F), averaging 12°C (54°F). Precipitation increases slightly to 55 mm (2.2 inches) over six days, and humidity rises to 75%. This transition marks a significant warming trend and increased moisture as the season progresses. For more detailed information, check out Seoul weather in April.
March and May present quite contrasting weather conditions. In March, temperatures range from a chilly minimum of -7°C (20°F) to a comfortable maximum of 21°C (70°F), with an average of 7°C (44°F). The month receives a total precipitation of 46 mm (1.8 in) over 5 days, and humidity is around 65%. In comparison, May experiences significantly warmer weather, with temperatures varying from a minimum of 6°C (43°F) to a balmy maximum of 32°C (89°F), averaging 18°C (64°F). Additionally, May is wetter, accumulating 111 mm (4.4 in) of precipitation over 9 days, and the humidity rises to 81%. For more details on weather conditions in May, you can explore Seoul weather in May.
March weather in Seoul is characterized by a wide range of temperatures, with minimums dropping to -7°C (20°F) and averaging around 7°C (44°F), peaking at 21°C (70°F). This month experiences moderate precipitation at 46 mm (1.8 in) over about 5 days, along with a humidity level of 65%. In contrast, June boasts a much warmer climate, with minimums of 12°C (54°F) and average highs reaching 22°C (72°F), soaring up to a maximum of 35°C (94°F). June also sees increased rainfall, totaling 86 mm (3.4 in) spread across 8 days, along with higher humidity at 85%. The shift from March to June marks a transition from chilly spring days to the hot and humid conditions typical of early summer. For more details on June weather specifically, you can check Seoul weather in June.
March and July present strikingly different weather patterns. In March, temperatures range from a chilly minimum of -7°C (20°F) to a pleasant maximum of 21°C (70°F), with an average temperature of 7°C (44°F). The month experiences relatively light rainfall, totaling 46 mm (1.8 in) over about 5 days, accompanied by a moderate humidity level of 65%. In contrast, July brings much warmer weather, with a minimum temperature of 18°C (64°F) and a scorching maximum of 36°C (97°F), averaging 26°C (79°F). This month is considerably wetter, seeing 252 mm (9.9 in) of precipitation across approximately 15 days and high humidity levels of 91%. For more detailed insights, you can check Seoul weather in July.
When comparing March and August weather, it's clear that the two months present dramatic contrasts. March features cooler temperatures, with lows reaching -7°C (20°F) and an average of 7°C (44°F), peaking at 21°C (70°F). In contrast, August boasts much warmer conditions, starting with a minimum of 16°C (61°F) and averaging 26°C (80°F), with highs soaring to 38°C (101°F). Additionally, March experiences relatively low precipitation at 46 mm (1.8 in) over just 5 days, while August sees significantly higher rainfall, totaling 269 mm (10.6 in) across 16 days, leading to increased humidity at 91%. For more detailed information, you can check Seoul weather in August.
March and September exhibit notably different weather patterns. In March, temperatures range from a chilly minimum of -7°C (20°F) to a pleasant average of 7°C (44°F), peaking at 21°C (70°F). The month sees around 46 mm (1.8 in) of precipitation over approximately 5 days, with humidity levels at 65%. In contrast, September offers milder conditions, with a minimum temperature of 10°C (50°F) and an average of 21°C (70°F), reaching a high of 31°C (88°F). This month experiences significantly more rainfall, totaling 133 mm (5.2 in) over about 9 days, and increased humidity at 77%. For more details on the September climate, you can check out Seoul weather in September.
March and October present contrasting weather patterns. In March, temperatures range from a frigid -7°C (20°F) to a pleasant 21°C (70°F), with an average of 7°C (44°F). This month experiences around 46 mm (1.8 in) of precipitation over approximately five days, and humidity sits at 65%. In comparison, October offers a much milder climate with temperatures spanning from 0°C (32°F) to a maximum of 28°C (83°F), averaging 14°C (58°F). Precipitation increases to 63 mm (2.5 in) over about six days, accompanied by higher humidity at 79%. Overall, while March can be brisk and variable, October typically provides a warmer and more humid atmosphere. For more information, check out Seoul weather in October.
In comparing the weather between March and November, we see similarities and notable differences. Both months exhibit a range of temperatures, with minimums around -7°C (20°F) and -7°C (21°F), average temperatures hovering at approximately 7°C (44°F) to 7°C (45°F), and maximums reaching up to 21°C (70°F). However, November tends to have slightly higher precipitation of 54 mm (2.1 in) compared to March's 46 mm (1.8 in), despite both months experiencing precipitation on five days. Additionally, November's humidity is notably higher at 80%, compared to March's 65%, contributing to a generally more damp atmosphere. For more details on November weather, you can check out Seoul weather in November.
In March, temperatures in Seoul generally range from a minimum of -7°C (20°F) to a maximum of 21°C (70°F), with an average temperature of 7°C (44°F). The month experiences a moderate level of precipitation at 46 mm (1.8 in) over about 5 days, and humidity averages around 65%. In contrast, December's climate is notably colder, with temperatures dipping down to -15°C (5°F) at night and reaching a maximum of 12°C (54°F) during the day, resulting in an average of -1°C (31°F). December also sees less precipitation, at 22 mm (0.9 in) over approximately 4 days, but humidity rises slightly to 74%. For a detailed look at December weather, you can visit Seoul weather in December.
As the winter chill begins to fade, March in Seoul marks a transition into a cooler yet more invigorating climate. With average temperatures rising and occasional sunny days peeking through, this month contrasts sharply with the frigid temperatures of January and February. While some precipitation is expected, the relatively dry and comfortable atmosphere makes it a refreshing change from the notorious humidity of summer. This makes March a perfect time to enjoy the blossoming scenery and partake in outdoor activities. For a deeper understanding of how Seoul's weather unfolds throughout the year, visit Seoul Climate.