July Weather in Incheon, South Korea

Last updated: October 30, 2025

In July, Incheon, South Korea, experiences warm to hot weather, with maximum temperatures reaching up to 35°C (95°F) and an average of 26°C (78°F). The month is characterized by high humidity, averaging around 91%, which can make the heat feel even more intense. Precipitation is significant, totaling 232 mm (9.1 in) over approximately 14 rainy days, contributing to the lush greenery of the region. Visitors should prepare for a mix of sultry weather and occasional showers while enjoying the vibrant atmosphere of this coastal city.

July Temperature in Incheon

In July, Incheon, South Korea experiences a notable change in weather, embracing the height of summer with rising temperatures. The month kicks off with a minimum temperature of 19°C (66°F), setting a warm foundation that steadily escalates to a sweltering average of 26°C (78°F), peaking at a sizzling 35°C (95°F). This trend showcases a significant leap from the preceding months, where June's temperatures already hinted at summer's arrival. As the city basks in these warm conditions, locals and visitors alike can enjoy vibrant outdoor activities, making it a lively time to explore all that Incheon has to offer. The consistent warmth, coupled with the bright summer sun, contributes to the city's bustling atmosphere, marking July as a celebrated month in the region's climate calendar.

July Weather in Incheon: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Incheon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Incheon, July typically has an average temperature of 26°C (78°F), with highs reaching up to 35°C (95°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec293244546371788071594632
Data source: Temperature data for Incheon 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.

July Precipitation in Incheon

July marks a peak in precipitation for Incheon, South Korea, with an impressive 232 mm (9.1 in) of rain falling over 14 days. This substantial downpour represents a significant increase from the preceding months, making it the wettest month of the year. The rainfall typically intensifies as summer progresses, with July's totals nearly matching the combined precipitation of the first half of the year. Following July, August continues the trend with even higher amounts, reaching 256 mm (10.1 in), showcasing the region's monsoon influence. The persistent rain transforms Incheon’s landscape, nourishes its lush flora, and subtly sets the stage for a vibrant summer, while also reminding residents of the season's potential for heavy downpours.

July Precipitation Trends in Incheon

The chart displays monthly precipitation patterns in Incheon, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Incheon, July typically receives around 232 mm (9.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec1721444910777232256133595324
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Incheon

In July, Incheon, South Korea experiences its peak humidity, soaring to an impressive 91%. This substantial level is part of a broader trend observed through the summer months, with humidity steadily climbing from 85% in June. As the year progresses, the humid conditions signal a shift from the cooler air of winter, where January and February see lower humidity levels of 71% and 65%, respectively. With August mirroring July’s moisture, the air remains thick and heavy, characteristic of the region's summer climate. This gradual increase highlights not only the transition into warmer months but also underlines the tropical influences that become more pronounced, making July and August the most humid months in Incheon. As autumn approaches in September, the humidity drops to 77%, offering a brief respite before the seasonal shift continues.

July Average Humidity in Incheon

This chart illustrates the average monthly humidity levels in Incheon, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Incheon is approximately 91%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Incheon

In July, Incheon experiences its peak UV Index at a striking 11, categorizing exposure as extreme and drastically reducing the burn time to just 10 minutes. This marks a significant rise from earlier months, illustrating a clear trend of increasing UV levels as summer progresses. Starting with a moderate UV Index of 3 in January, the UV levels escalate steadily through the spring, with April and May seeing very high readings of 8 and 9 respectively. June continues this trend with a critical 10, but it’s in July that caution is paramount. As temperatures soar, it's vital to take protective measures to shield your skin from the intense sun. Stay informed and prepared by visiting Incheon UV Index as you navigate your summer days.

Maximum UV Index Levels in Incheon for July

The chart shows the monthly maximum UV Index (UVI) for Incheon in July, 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 July, the maximum UV index in Incheon typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891011119643
Data source: Incheon July 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.

July Sunshine in Incheon

In July, Incheon basks in a generous 294 hours of sunshine, contributing to the city's vibrant summer atmosphere. This month stands out as a continuation of a trend that begins in the early months of the year; as spring gives way to summer, the hours of sunshine steadily increase, peaking in June with a remarkable 317 hours. Although July sees a slight dip, it still holds its own in delivering ample sunshine, setting the stage for outdoor activities and cultural festivals. As summer rolls into August, sunshine hours slightly decrease to 289, but July remains a highlight, showcasing the warmth and brightness that make Incheon an inviting destination during the summer months.

Monthly Sunshine Duration in Incheon: July Highlighted

The July sunshine duration represents the total number of hours Incheon experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec199h242h282h287h311h317h294h289h262h263h231h235h
Data source: Incheon July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Incheon During July

In July, the likelihood of sunny weather in Incheon, South Korea, drops to 32%, marking one of the lowest points in the year. This trend highlights a significant shift from the sunnier months earlier in the spring, where the chances hover around the mid-forties, and even the brighter days of winter with percentages as high as 63%. As summer progresses into August, the probability sees a slight uptick to 33%, but the overall pattern suggests that residents and visitors may need to prepare for more overcast and humid conditions during this season. Embrace the beauty of Incheon’s summer while keeping in mind that sunny days may be a rare gem to find in July.

Percentage of Sunny Days in July in Incheon

The chart illustrates the percentage of sunny days in Incheon throughout the year, with July 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 Incheon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%55%44%45%39%39%32%33%42%46%61%63%
Data source: Incheon July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Incheon in July

In Incheon, South Korea, July offers a peak in daylight duration, basking under 14 hours of sunlight that continues the trend established in June. As summer reaches its height, this extended daylight illuminates the city's vibrant landscapes, allowing residents and visitors alike to enjoy a multitude of outdoor activities. Remarkably, the daylight hours begin their slow descent in August, transitioning to 13 hours, before tapering off in the subsequent fall months. This gradual decrease in sunlight from the summer solstice signals a shift toward shorter days, but July remains a time of abundant light and warmth, perfectly encapsulating the essence of summer in Incheon.

Average Daylight Hours in Incheon for July

The chart illustrates the variation in daylight duration in Incheon throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 53m10h 47m11h 57m13h 9m14h 10m14h 41m14h 25m13h 32m12h 23m11h 11m10h 9m9h 36m
Data source: Incheon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Incheon

In July, Incheon experiences a notable decline in wind speed, averaging just 2.3 m/s (5 mph), the lowest of the year. This gentle breeze contrasts with the more robust winds seen earlier in the spring and earlier summer months; for instance, April and May feature higher averages of 3.2 m/s (7 mph) and 3.3 m/s (7 mph), respectively. The shift to calmer conditions in July often coincides with the warm summer heat, creating a tranquil atmosphere ideal for enjoying the scenic waterfront. As the city transitions into August, a slight uptick to 2.6 m/s (6 mph) suggests a subtle return of the winds, but the overall trend throughout the summer reflects a serene lull before the early autumn breezes set in.

Average July Wind Speed in Incheon

The chart displays monthly wind speed patterns in Incheon, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.72.93.23.32.52.3 m/s2.63.02.83.13.4
Data source: Incheon July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Incheon Compares to Other Months

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

The weather in July is characterized by warmth and humidity, with average temperatures around 26°C (78°F) and maximums reaching up to 35°C (95°F). In contrast, January brings frigid temperatures, with averages at -2°C (29°F) and lows plummeting to -16°C (3°F). July also sees substantial rainfall, totaling 232 mm (9.1 in) over 14 days, while January remains relatively dry, receiving only 17 mm (0.7 in) across just 2 days. This stark difference in weather highlights the seasonal shift from the sweltering heat and high humidity of summer to the biting cold and dryness of winter. For more detailed insights, you can explore Incheon weather in January.

July and February present a stark contrast in weather conditions. July boasts a warm climate, with average temperatures reaching up to 26°C (78°F) and maximums soaring to 35°C (95°F), accompanied by high humidity levels of 91%. However, it also experiences significant rainfall, with 232 mm (9.1 in) over 14 days. In contrast, February is characterized by bitterly cold temperatures, averaging around 0°C (32°F) and dipping as low as -14°C (6°F). Precipitation is minimal in February, totaling just 21 mm (0.8 in) over four days, coupled with lower humidity at 65%. For more detailed information, you can check Incheon weather in February.

July and March present strikingly different weather conditions. In July, temperatures typically range from a minimum of 19°C (66°F) to a maximum of 35°C (95°F), with an average of 26°C (78°F). This month experiences high humidity levels at 91% and substantial rainfall, accumulating 232 mm (9.1 in) over about 14 days. In stark contrast, March features much cooler temperatures, with a minimum of -6°C (21°F) and a maximum of 19°C (66°F), averaging only 6°C (44°F). Precipitation is also significantly lower in March, with just 44 mm (1.7 in) over 5 days and a humidity level of 65%. For more detailed insights on March weather, visit Incheon weather in March.

The weather in July is significantly warmer and more humid compared to April. In July, temperatures range from a minimum of 19°C (66°F) to a maximum of 35°C (95°F), with an average temperature of 26°C (78°F). In contrast, April experiences much cooler temperatures, ranging from a minimum of 1°C (33°F) to a maximum of 25°C (78°F), with an average of 12°C (54°F). Additionally, July sees considerably higher precipitation, with 232 mm (9.1 in) over 14 days, while April only receives 49 mm (1.9 in) over 6 days. The humidity level in July is also notably higher at 91%, compared to April's 75%. For a detailed overview of April's climate, you can visit Incheon weather in April.

July and May exhibit distinct differences in weather patterns. In July, temperatures soar with a minimum of 19°C (66°F), averaging around 26°C (78°F), and peaking at a scorching 35°C (95°F). This month is also characterized by high humidity levels at 91% and considerable rainfall, totaling 232 mm (9.1 in) over 14 days. In contrast, May presents much milder conditions, with temperatures ranging from a minimum of 7°C (44°F), averaging 17°C (63°F), and reaching a maximum of 28°C (82°F). Precipitation is lower in May, measuring 107 mm (4.2 in) over 8 days, and humidity sits at a comfortable 81%. For more details, you can check Incheon weather in May.

In comparing the weather between June and July, July tends to be significantly warmer and wetter. The minimum temperature in July is 19°C (66°F), compared to June's 14°C (57°F), and the average temperature rises to 26°C (78°F) from June's 22°C (71°F). July also experiences higher maximum temperatures, peaking at 35°C (95°F) versus June's 31°C (88°F). Additionally, July sees a considerable increase in precipitation, with 232 mm (9.1 in) falling over 14 days, compared to June's 77 mm (3.0 in) over just 9 days. The humidity level is also slightly higher in July at 91%, compared to 85% in June. For more detailed information about the weather in June, you can check Incheon weather in June.

In comparing July and August weather, both months experience high temperatures and humidity, with July recording a minimum of 19°C (66°F), an average of 26°C (78°F), and a maximum of 35°C (95°F). August, on the other hand, shows a slightly cooler minimum of 17°C (63°F) but a higher average of 27°C (80°F) and a maximum temperature that peaks at 36°C (97°F). Precipitation increases in August, with 256 mm (10.1 in) falling over 15 days, compared to July's 232 mm (9.1 in) over 14 days. Humidity remains consistently high at 91% for both months, creating a muggy atmosphere. For more detailed information, visit Incheon weather in August.

In July, the weather is characterized by warm temperatures, with a minimum of 19°C (66°F) and a maximum of 35°C (95°F), creating a hot and humid atmosphere with an average of 26°C (78°F). This month also sees considerable rainfall, totaling 232 mm (9.1 in) over 14 days, leading to high humidity levels around 91%.

In contrast, September offers a more moderate climate, featuring a minimum temperature of 11°C (53°F) and a maximum of 31°C (87°F), with an average temperature of 22°C (72°F). Precipitation decreases significantly to 133 mm (5.2 in) across 9 days, and the humidity drops to a more comfortable 77%. For a detailed look at weather conditions during September, you can visit Incheon weather in September.

Overall, July is notably hotter and more humid than September, which marks a transition into cooler and drier weather.

The weather in July contrasts sharply with that of October, showcasing the distinct seasonal shifts. In July, temperatures soar with a minimum of 19°C (66°F) and a blistering maximum of 35°C (95°F), accompanied by high humidity levels of 91% and considerable rainfall of 232 mm (9.1 in) over 14 days. In stark contrast, October brings a much cooler climate, where temperatures range from a minimum of 2°C (36°F) to an average of 15°C (60°F), peaking at 28°C (82°F). In October, rainfall significantly decreases to 59 mm (2.3 in) over just 6 days, while humidity drops to 79%. For more insights into the October weather, you can visit Incheon weather in October.

In July, the weather is characterized by warm temperatures, with averages around 26°C (78°F) and peaks reaching up to 35°C (95°F). High humidity levels at 91% and substantial rainfall, totaling 232 mm (9.1 in) over 14 days, contribute to a muggy atmosphere. In contrast, November experiences much cooler temperatures, with an average of 8°C (47°F) and highs of 21°C (69°F), along with a notable drop in precipitation to just 53 mm (2.1 in) across 5 days. The lower humidity at 80% in November creates a crisp feel, making it a stark contrast to the sultry July weather. For more details on November’s climate, check out Incheon weather in November.

July and December present starkly contrasting weather conditions. In July, temperatures typically range from a low of 19°C (66°F) to a scorching high of 35°C (95°F), accompanied by high humidity at 91% and significant precipitation of 232 mm (9.1 in) over 14 days. In contrast, December sees much colder temperatures, with averages hovering around 0°C (33°F) and a maximum of only 12°C (54°F). December experiences far less rainfall, with only 24 mm (0.9 in) recorded over just 5 days, alongside lower humidity at 74%. For more detailed insights into the December climate, you can check Incheon weather in December.

Compare Incheon's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Incheon

As July rolls in, Incheon experiences a significant shift in weather, characterized by its warm temperatures and high humidity levels. With average highs that can reach a sweltering 35°C and a prevalent humidity of 91%, this month stands out as one of the hottest of the year. Frequent rainfall also marks July, contributing to a total of 232 mm over approximately 14 days, making it notable for its wet conditions as well. Such contrasts with other months emphasize the unique and often challenging climate that residents and visitors alike must navigate. For a deeper understanding of the city's weather patterns throughout the year, explore more at Incheon Climate.