April Weather in Icheon-si, South Korea

Last updated: October 30, 2025

April in Icheon-si, South Korea, ushers in a delightful mix of spring weather, with temperatures peaking at a maximum of 28°C (82°F) and an average of 12°C (55°F), while dipping to a chilly minimum of -3°C (27°F). The month witnesses around 71 mm (2.8 in) of precipitation spread over 7 days, contributing to a humidity level of 75%, creating a fresh and vibrant atmosphere ideal for outdoor adventures. Embrace the enchanting beauty of springtime in Icheon-si, where the landscape is alive with blossoms and the air is filled with rejuvenating energy.

April Temperature in Icheon-si

In April, Icheon-si, South Korea, experiences a delightful transition into spring, as temperatures begin to warm significantly. The month features a minimum temperature of -3°C (27°F), an average of around 12°C (55°F), and peaks at a pleasant 28°C (82°F). This notable increase from March signals the end of winter’s chill, with daytime highs becoming ideal for outdoor activities and blossoming nature. As the city sheds its winter coat, the steady rise in temperatures not only brings comfort but also rejuvenates the landscape, making April a vibrant time for visitors and residents alike. Overall, the trends depict a clear warming pattern as Icheon-si gracefully steps into the heart of spring.

April Weather in Icheon-si: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Icheon-si, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Icheon-si, April typically has an average temperature of 12°C (55°F), with highs reaching up to 28°C (82°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec283245546472787969574431
Data source: Temperature data for Icheon-si 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.

April Precipitation in Icheon-si

In April, Icheon-si experiences a noticeable surge in precipitation, with 71 mm (2.8 inches) of rain falling over 7 days, marking a significant increase from previous months. This uptick showcases the transition into the wetter spring season, as rainfall begins to fuel the lush landscapes and blooming flora. Compared to March's 57 mm (2.3 inches), April's precipitation reflects a trend toward increased moisture, setting the stage for May's even heftier total of 109 mm (4.3 inches). This pattern indicates that as temperatures rise and the season progresses, residents can expect more frequent rain showers, enriching the region's natural beauty and supporting agriculture.

April Precipitation Trends in Icheon-si

The chart displays monthly precipitation patterns in Icheon-si, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Icheon-si, April typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2326577110985265267144625325
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Icheon-si

April brings a notable increase in humidity to Icheon-si, South Korea, as it rises to 75%, setting the stage for the warmer months ahead. This uptick marks a shift from the relatively stable levels observed in the earlier spring months of January through March, where humidity hovered around 65%. As April transitions into May, humidity continues its upward trajectory, reaching 81%—a trend that persists into the humid summer months of June and July, peaking at 91%. This gradual rise not only signals the approach of summer but also highlights the region's shift from the drier late winter and early spring conditions towards a more humid atmosphere, shaping the local climate and influencing outdoor activities.

April Average Humidity in Icheon-si

This chart illustrates the average monthly humidity levels in Icheon-si, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Icheon-si is approximately 75%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Icheon-si

As spring blooms in Icheon-si, South Korea, the UV Index sees a significant rise in April, soaring to 9 which categorizes it as very high. This marks a sharp increase from the moderate levels observed in the earlier months of the year, indicating that sun exposure becomes much more critical at this time. With a reduced burn time of just 15 minutes, it's essential for residents and visitors to adopt sun protection measures to avoid harmful effects. As the month progresses into May, the UV levels remain at 9, maintaining this high risk. This trend is a precursor to the extreme values that will dominate during the summer months. For detailed information on daily levels and precautions, check the Icheon-si UV Index.

Maximum UV Index Levels in Icheon-si for April

The chart shows the monthly maximum UV Index (UVI) for Icheon-si in April, 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 April, the maximum UV index in Icheon-si typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346991111119643
Data source: Icheon-si April 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.

April Sunshine in Icheon-si

April in Icheon-si, South Korea, shines brightly with 279 hours of sunlight, making it a delightful time for outdoor activities. This month marks a steady rise from the 274 hours in March, reflecting the gradual transition into warmer days. As spring unfolds, April's sunshine is part of a larger trend where daylight hours increase significantly, reaching their peak in May with 302 hours. This upward trajectory highlights the region's vibrant climate, which fosters growth and encourages the community to revel in nature's beauty. With pleasant weather and extended daylight, April offers an enticing glimpse of the flourishing months to come.

Monthly Sunshine Duration in Icheon-si: April Highlighted

The April sunshine duration represents the total number of hours Icheon-si experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec197h237h274h279h302h306h274h263h250h256h228h234h
Data source: Icheon-si April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Icheon-si During April

In Icheon-si, South Korea, the likelihood of sunny weather in April is relatively modest, with a 44% chance of sunshine. This slight dip in sunshine compared to earlier months highlights a transitional phase as spring fully takes hold. Interestingly, while January and February boast higher probabilities of sunny days at 54% and 55% respectively, April reflects a shift where the sun's presence begins to wane slightly prior to the rainy season. Following this trend, May and June continue to decrease, suggesting that as temperatures rise, cloud cover may increase. Overall, while April offers a fair chance for sunny escapades, it also hints at the impending arrival of a wetter season.

Percentage of Sunny Days in April in Icheon-si

The chart illustrates the percentage of sunny days in Icheon-si throughout the year, with April 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 Icheon-si experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%55%43%44%37%36%30%28%38%45%56%64%
Data source: Icheon-si April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Icheon-si in April

In Icheon-si, South Korea, the month of April marks a significant transition in daylight duration, enjoying approximately 13 hours of sunlight. This increase from 11 hours in March heralds the arrival of spring, bringing longer days and a vibrant atmosphere. As the year progresses, daylight persists into May with 14 hours, maintaining this generous brightness into the summer months of June and July. However, as August approaches, daylight begins to taper off again, highlighting a natural ebb and flow throughout the year. This cyclical pattern reveals a rhythm in the seasons, inviting residents and visitors alike to embrace the longer, sunlit days during the pleasant spring and summer months.

Average Daylight Hours in Icheon-si for April

The chart illustrates the variation in daylight duration in Icheon-si throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 53m10h 48m11h 57m13h 9m14h 9m14h 40m14h 24m13h 32m12h 23m11h 12m10h 10m9h 37m
Data source: Icheon-si daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Icheon-si

In Icheon-si, South Korea, the wind in April carries an average speed of 2.6 m/s (6 mph), slightly up from March's breezy 2.4 m/s (5 mph). This gentle increase contrasts with the generally declining trend observed as summer approaches, where June and July see the lowest wind speeds at 1.9 m/s (4 mph) and 1.8 m/s (4 mph), respectively. As spring unfolds, the winds remain refreshingly moderate, creating a perfect backdrop for outdoor activities. By the time autumn arrives, average wind speeds show a subtle increase again, highlighting the dynamic patterns of airflow that characterize Icheon-si throughout the year.

Average April Wind Speed in Icheon-si

The chart displays monthly wind speed patterns in Icheon-si, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.02.42.6 m/s2.51.91.81.92.21.92.32.5
Data source: Icheon-si April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Icheon-si Compares to Other Months

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

April and January present stark contrasts in weather. In January, temperatures can drop dramatically, with a minimum of -18°C (1°F) and an average of -2°C (28°F), while April sees much milder weather, featuring a minimum of -3°C (27°F) and an average of 12°C (55°F). January tends to be drier, with only 23 mm of precipitation over just 3 days, compared to April's higher total of 71 mm over 7 days, reflecting a more humid atmosphere at 75%. For a closer look at January conditions, you can visit Icheon-si weather in January.

April and February offer a stark contrast in weather conditions. In April, temperatures are milder, ranging from a minimum of -3°C (27°F) to a maximum of 28°C (82°F), with an average temperature of 12°C (55°F). The month sees significant precipitation at 71 mm (2.8 in) over about 7 days, contributing to a higher humidity level of 75%. In contrast, February is much colder, with temperatures ranging from a brisk -16°C (4°F) to a maximum of 19°C (67°F) and an average of 0°C (32°F). It experiences less precipitation, at 26 mm (1.0 in) over just 4 days, and has a lower humidity level of 65%. For those interested in learning more about February weather specifics, you can visit Icheon-si weather in February.

In comparing the weather of April to March, April generally exhibits milder temperatures, with minimums of -3°C (27°F) compared to March's -6°C (21°F). The average temperature in April rises to 12°C (55°F), significantly warmer than March’s average of 7°C (45°F). Additionally, April experiences a maximum temperature of 28°C (82°F), surpassing March’s peak of 22°C (72°F). Precipitation is slightly higher in April at 71 mm (2.8 in) over 7 days, while March recorded 57 mm (2.3 in) over 6 days, despite April's increased rain, humidity is notably higher at 75% compared to March’s 65%. For more detailed insights, you can visit Icheon-si weather in March.

In comparing the weather between April and May, we see a notable shift in temperature and precipitation. April starts with cooler temperatures, ranging from a minimum of -3°C (27°F) to an average of 12°C (55°F), while May boasts warmer conditions with a minimum of 4°C (39°F) and an average of 18°C (64°F). The maximum temperatures also rise significantly, peaking at 28°C (82°F) in April compared to a hotter 33°C (92°F) in May. Precipitation increases in May, totaling 109 mm (4.3 in) over 9 days, compared to April’s 71 mm (2.8 in) over 7 days, and humidity levels are slightly higher in May at 81%, up from April’s 75%. For more detailed information on May's weather, you can check Icheon-si weather in May.

April and June showcase quite different weather patterns. In April, the temperatures begin to warm up, with a minimum of -3°C (27°F) and an average of 12°C (55°F), peaking at a comfortable 28°C (82°F). The month experiences moderate humidity at 75% and receives about 71 mm (2.8 in) of precipitation over roughly 7 days.

In contrast, June brings a significant warm-up, with temperatures starting at a minimum of 12°C (54°F), averaging 22°C (72°F), and reaching a maximum of 34°C (94°F). The humidity also rises to 85%, and precipitation increases slightly to 85 mm (3.3 in) over 8 days. This shift illustrates how spring transitions into the summer months. For more details on the weather in June, you can check Icheon-si weather in June.

April and July exhibit striking differences in weather patterns. In April, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant average of 12°C (55°F), peaking at a warm 28°C (82°F). The month sees moderate rainfall, totaling 71 mm (2.8 in) over about 7 days, with a humidity level of 75%. In contrast, July experiences significantly warmer conditions, with minimum temperatures starting at 17°C (62°F) and soaring to a maximum of 35°C (96°F), averaging 26°C (78°F). Rainfall in July is much more substantial, averaging 265 mm (10.4 in) spread across 16 days, and the humidity rises to a muggy 91%. For more information on July weather in Icheon-si, you can visit Icheon-si weather in July.

April and August exhibit contrasting weather patterns. In April, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant average of 12°C (55°F), reaching a maximum of 28°C (82°F). The month sees moderate precipitation of 71 mm (2.8 in) over about 7 days and has a humidity level of 75%. In stark contrast, August presents much warmer conditions, with temperatures starting at a minimum of 15°C (60°F), averaging 26°C (79°F), and peaking at a scorching 38°C (101°F). This summer month experiences significantly higher rainfall, accumulating 267 mm (10.5 in) across 17 days, accompanied by increased humidity of 91%. For more detailed information, you can check Icheon-si weather in August.

April and September present contrasting weather patterns. In April, temperatures can range from a chilly -3°C (27°F) to a warm 28°C (82°F), with an average temperature of 12°C (55°F). The month sees about 71 mm (2.8 in) of precipitation over approximately 7 days, and humidity levels hover around 75%. Conversely, September enjoys a milder climate with minimum temperatures of 7°C (45°F) and maximums reaching up to 30°C (86°F), while the average temperature is 21°C (70°F). This month is notably wetter, accumulating about 144 mm (5.7 in) of rain over 9 days, with humidity slightly higher at 77%. For more details, check out Icheon-si weather in September.

April weather is characterized by a wider temperature range, with minimums dropping to -3°C (27°F) and maximums reaching up to 28°C (82°F), leading to an average of 12°C (55°F). This month also experiences moderate precipitation of 71 mm (2.8 in) spread over seven days, alongside a humidity level of 75%. In contrast, October offers slightly warmer temperatures, with a minimum of -1°C (31°F) and maximums climbing to 29°C (84°F), resulting in an average of 14°C (58°F). Precipitation in October is slightly less at 62 mm (2.4 in) over six days, and humidity increases to 79%. For more detailed weather information, you can visit Icheon-si weather in October.

April and November present notably different weather patterns. In April, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 28°C (82°F), with an average of 12°C (55°F). The month experiences about 71 mm (2.8 in) of rainfall over approximately 7 days, and humidity hovers around 75%. In contrast, November sees lower temperatures, with a minimum of -6°C (21°F) and a maximum of 21°C (69°F), averaging at 7°C (45°F). Precipitation drops to 53 mm (2.1 in) over about 5 days, and humidity increases slightly to 80%. For more information on weather in November, visit Icheon-si weather in November.

April and December present contrasting weather patterns, reflecting the transition from spring to winter. In April, temperatures can range from a chilly -3°C (27°F) at night to a warm 28°C (82°F) during the day, with an average of 12°C (55°F). This month sees an average of 71 mm (2.8 in) of precipitation over 7 days, while humidity levels hover around 75%. In contrast, December is much colder, with temperatures dipping as low as -15°C (5°F) and peaking at a modest 13°C (55°F), averaging 0°C (31°F). This month experiences significantly less precipitation, at 25 mm (1.0 in) over just 5 days, and maintains a similar humidity level at 74%. The shift from April's mild, wet weather to December's bitter cold and dryness is distinctly marked, providing a stark reminder of the changing seasons. For more details, check Icheon-si weather in December.

Compare Icheon-si's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Icheon-si

April in Icheon-si unveils a transition into milder weather, setting itself apart from the colder months. With temperatures gradually rising, residents can expect to bask in the warmth of daytime highs while still experiencing the crispness of early mornings. Though precipitation levels are moderate with about a week of rain, the lush greenery that follows brings a vibrant touch to the landscape. The humidity, holding steady around 75%, enhances the freshness of spring. As the city shakes off the chill of winter, April marks a rejuvenating chapter in Icheon-si's climatic narrative, making it a delightful time to explore the outdoors. For a deeper look into the yearly climate trends, visit Icheon-si Climate.