July Weather in Busan, South Korea

Last updated: October 30, 2025

July in Busan, South Korea is characterized by warm temperatures and high humidity, making it a vibrant summer month. With maximum temperatures soaring to 30°C (87°F) and an average of 24°C (76°F), the city embraces the heat, tempered only by the occasional cool breeze. However, visitors should be prepared for frequent showers, as July sees an impressive 249 mm (9.8 in) of rainfall over 13 days. The humidity levels hover around a steamy 95%, creating a sultry atmosphere that captures the essence of summer on the coast. Whether exploring the bustling streets or relaxing on the beach, expect a lively blend of sunshine and rain that defines Busan's July weather.

July Temperature in Busan

In July, Busan experiences its warmest temperatures of the year, with minimums averaging 19°C (66°F) and peaks reaching a sizzling 30°C (87°F). The average temperature of 24°C (76°F) suggests a summer paradise, inviting both locals and tourists to bask in the sun's warmth. This month stands in stark contrast to the colder winter months, when temperatures plunge to a frigid -7°C (20°F) in January. As the heat intensifies, July marks a seamless transition into the heart of summer, characterized by longer days and vibrant outdoor activities, making it an ideal time for beachgoers to enjoy Busan's stunning coastline.

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

The chart illustrates July temperature patterns in Busan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Busan, July typically has an average temperature of 24°C (76°F), with highs reaching up to 30°C (87°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec424451566369768074665745
Data source: Temperature data for Busan 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 Busan

In July, Busan experiences its wettest month, with precipitation reaching a remarkable 249 mm (9.8 in) over 13 days of rainfall. This surge in moisture is a stark contrast to the drier months of winter, where precipitation barely exceeds 38 mm (1.5 in) in January. As the summer heat intensifies, June's 167 mm (6.6 in) serves as a precursor to July’s deluge, indicating a seasonal shift towards the peak of the monsoon. Following July, the precipitation begins to taper off in August to 158 mm (6.2 in), while September sees a similar increase to 245 mm (9.6 in), illustrating a dynamic pattern of summer rainfall that characterizes the region. This seasonal variability emphasizes Busan's lush, vibrant landscapes, nurtured by substantial summer rain.

July Precipitation Trends in Busan

The chart displays monthly precipitation patterns in Busan, 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 Busan, July typically receives around 249 mm (9.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec3946100114114167249158245912525
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Busan

In July, Busan experiences its peak humidity, soaring to an impressive 95%, making it the most humid month of the year. This extreme level of moisture comes on the heels of a gradual increase from 87% in June and reflects a broader trend of rising humidity throughout the summer months. As the year progresses, the weather transforms; after a moderate start in January at 72%, humidity levels climb steadily, peaking in July and only slightly declining to 93% in August. This trend illustrates how Busan's coastal climate brings a lush, sweltering atmosphere during the summer, making it crucial for residents and visitors to stay hydrated and cool as they embrace the season's vibrant energy.

July Average Humidity in Busan

This chart illustrates the average monthly humidity levels in Busan, 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 Busan is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%67%65%75%83%87%95%93%80%77%75%73%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Busan

In July, Busan experiences one of its highest UV Index levels at 12, placing it in the extreme exposure category with a burn time of just 10 minutes. This peak follows a progressive increase from a moderate UV Index of 4 in January to an extreme level by mid-summer. The trend clearly highlights a rising intensity of UV radiation as the year progresses, particularly from April onwards, where a significant jump to 10 and then to 11 in June leads directly into July's maximum level. As you plan your outdoor activities during this scorching month, remember to take proper sun protection measures seriously. For more details on UV levels throughout the year, visit Busan UV Index.

Maximum UV Index Levels in Busan for July

The chart shows the monthly maximum UV Index (UVI) for Busan 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 Busan typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec457101011121210753
Data source: Busan 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 Busan

In July, Busan basks in a delightful 266 hours of sunshine, a figure that reflects a slight dip from the preceding month of June, which enjoyed 293 hours of radiant light. This summer month captures the essence of warmer days and vibrant beach life, while still upholding a commendable amount of sunshine compared to earlier months. As we glance back, we observe a steady increase in sunlight from January's mere 196 hours to June's peak, representing the gradual transition into the sun-soaked height of summer. Notably, August is poised to reclaim that sunnier crown, typically delivering 290 hours, aiming to outshine July once again. As summer unfolds, it’s evident that Busan remains a sunlit haven, inviting visitors to embrace its coastal charm under the warm July sun.

Monthly Sunshine Duration in Busan: July Highlighted

The July sunshine duration represents the total number of hours Busan 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.
JanFebMarAprMayJunJulAugSepOctNovDec196h239h267h278h295h293h266h290h241h256h238h244h
Data source: Busan July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Busan During July

In Busan, South Korea, the month of July sees a notably low sunny weather probability, with just 23% of days likely to be sunlit. This is part of a broader trend observed as the year progresses, where the chances for sunny skies diminish from the spring months through early summer. As May and June show declines to 39% and 33% respectively, July represents a peak in the reduction, making it one of the cloudiest months in the region. However, as the year transitions into fall, the likelihood of sunshine picks up again, highlighted by a significant jump to 57% in October and reaching 73% by December. Thus, while July might not offer the sun-soaked days sought by many, the subsequent months bring a reprieve, reinvigorating the local landscape with bright skies and warmth.

Percentage of Sunny Days in July in Busan

The chart illustrates the percentage of sunny days in Busan 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 Busan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%54%40%45%39%34%23%31%33%58%68%73%
Data source: Busan July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Busan in July

In Busan, South Korea, July boasts a delightful 14 hours of daylight, maintaining the same sun-kissed duration as the previous month. This mid-summer consistency highlights a peak period for outdoor activities, as the daylight hours have gradually increased from the 10 hours in January to the summer's zenith. Following July, daylight begins to taper off, with August bringing slightly shorter days at 13 hours. This trend of extending daylight from winter through summer, culminating in the warm, bright days of July, encapsulates the beautiful seasonal transitions of Busan, inviting both locals and travelers to revel in its vibrant summer charm.

Average Daylight Hours in Busan for July

The chart illustrates the variation in daylight duration in Busan throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 4m10h 54m11h 58m13h 4m14h14h 27m14h 13m13h 25m12h 22m11h 16m10h 18m9h 49m
Data source: Busan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Busan

In July, Busan experiences a mild and pleasant breeze, with an average wind speed of 5.2 m/s (12 mph). This gentle airflow marks a slight uptick from June's calmer winds, reflecting the onset of summer as high humidity and warm temperatures set in. Interestingly, July’s winds are on par with those of August, suggesting a consistent, refreshing presence throughout the peak summer months. Compared to the stronger winds of early spring and the chilling gusts in late autumn, the July winds offer a welcomed respite, enhancing the vibrant coastal atmosphere of Busan during this lively time of year. As the seasons transition, the wind patterns highlight the city's dynamic climate, inviting both locals and visitors to enjoy the beauty of summer by the sea.

Average July Wind Speed in Busan

The chart displays monthly wind speed patterns in Busan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.66.96.06.05.64.35.2 m/s5.26.75.15.86.3
Data source: Busan July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Busan Compares to Other Months

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

In comparing the weather of July and January, the differences are stark. July boasts a warm climate, with average temperatures ranging from 19°C (66°F) at night to a high of 30°C (87°F) during the day, accompanied by high humidity levels of 95%. This summer month also experiences significant precipitation, with around 249 mm (9.8 in) falling over 13 days. In contrast, January presents a chilly environment, where temperatures can drop to a minimum of -7°C (20°F) and reach a maximum of 18°C (64°F), with an average of just 6°C (43°F). Precipitation in January is minimal at 38 mm (1.5 in), spread over only 4 days, and the humidity is notably lower at 72%. For more detailed weather patterns, you can explore Busan weather in January.

July and February showcase stark contrasts in weather. July experiences much warmer temperatures, with a minimum of 19°C (66°F) and an average temperature of 24°C (76°F), peaking at 30°C (87°F), while February remains chilly, ranging from a minimum of -5°C (24°F) to a maximum of 16°C (61°F) with an average of 7°C (44°F). Precipitation is significantly higher in July, totaling 249 mm (9.8 in) over 13 rainy days, compared to just 46 mm (1.8 in) across 4 days in February. Additionally, July’s humidity level is notably high at 95%, in stark contrast to February's more comfortable 67%. For more detailed information, you can check Busan weather in February.

In comparing the weather of July and March, it's clear that July experiences significantly warmer temperatures, with a minimum of 19°C (66°F) and an average of 24°C (76°F), compared to March's cooler minimum of 1°C (34°F) and average of just 11°C (51°F). Additionally, July is characterized by high humidity at 95% and substantial rainfall, with 249 mm (9.8 in) over 13 days, while March sees lower humidity at 65% and less precipitation, totaling 100 mm (3.9 in) across 8 days. Overall, July offers a much more tropical climate, contrasting sharply with the chill of early spring in March. For more details, visit Busan weather in March.

When comparing the weather in July and April, it is evident that July is significantly warmer and more humid. In July, temperatures range from a minimum of 19°C (66°F) to a maximum of 30°C (87°F), with an average of 24°C (76°F). In contrast, April sees much cooler temperatures, with a minimum of 6°C (42°F), an average of 14°C (57°F), and a maximum of 19°C (66°F). Additionally, July experiences more precipitation, totaling 249 mm (9.8 in) over 13 days, compared to April's 114 mm (4.5 in) over just 7 days. The humidity in July is notably higher at 95%, while April maintains a more comfortable level at 75%. This stark contrast highlights the damp, warm conditions of July versus the mild and drier atmosphere of April. For more details, you can visit Busan weather in April.

July and May present markedly different weather conditions. In July, temperatures soar, with a minimum of 19°C (66°F) and an average of 24°C (76°F), peaking at 30°C (87°F). This month also experiences significant rainfall, with 249 mm (9.8 in) spread over 13 days, contributing to a high humidity level of 95%. In contrast, May offers much milder temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 22°C (71°F), with an average of 17°C (63°F). Precipitation is less intense, totaling 113 mm (4.5 in) across just 7 days, and humidity is lower at 83%. For more details on the weather during this month, you can check Busan weather in May.

In June, the weather is generally milder, with temperatures ranging from a minimum of 16°C (62°F) to a maximum of 25°C (78°F) and an average of 20°C (69°F). This month also experiences less precipitation, totaling 167 mm (6.6 in) over 8 days, along with a humidity level of 87%. In contrast, July sees warmer temperatures, with a minimum of 19°C (66°F) and highs reaching up to 30°C (87°F), averaging 24°C (76°F). July is much wetter, experiencing 249 mm (9.8 in) of rainfall across 13 days, along with increased humidity at 95%. For a more detailed overview of June weather, you can check this link: Busan weather in June.

In comparing the weather between July and August, July tends to be slightly cooler, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 30°C (87°F) and an average of 24°C (76°F). It also experiences higher precipitation levels, with 249 mm (9.8 in) of rainfall over 13 days and a humidity rate of 95%. In contrast, August warms up with minimum temperatures of 23°C (73°F) and an average of 27°C (81°F), peaking at 31°C (88°F). Rainfall decreases to 158 mm (6.2 in) while maintaining the same number of rainy days, and humidity drops slightly to 93%. For more detailed information on August's weather patterns, you can visit Busan weather in August.

July and September have distinct weather characteristics. In July, temperatures range from a minimum of 19°C (66°F) to a maximum of 30°C (87°F), with an average of 24°C (76°F). This month is marked by high humidity at 95% and significant precipitation, averaging 249 mm (9.8 inches) over 13 days. In contrast, September experiences slightly cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 29°C (84°F), resulting in an average of 23°C (75°F). Precipitation in September is comparable, at 245 mm (9.6 inches) over 11 days, but the humidity drops to a more comfortable 80%. For more detailed information, check Busan weather in September.

In July, the weather is characterized by warm temperatures, with averages around 24°C (76°F) and highs reaching up to 30°C (87°F). However, it is also the wettest month, experiencing 249 mm (9.8 in) of precipitation over approximately 13 days, accompanied by high humidity levels at 95%. In contrast, October features much cooler temperatures, with an average of 19°C (67°F) and maximums of 26°C (78°F). The month is significantly drier, with only 91 mm (3.6 in) of rain falling over just 5 days and humidity dropping to 77%. This shift from July to October marks a notable transition in weather patterns, making October a more comfortable time for outdoor activities. For more specific details, you can visit Busan weather in October.

In July, the weather is warm and humid, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 30°C (87°F). The month also sees significant rainfall, with 249 mm (9.8 in) of precipitation spread over 13 days, resulting in a high humidity level of 95%. In contrast, November offers a much cooler climate, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (70°F) and a much drier atmosphere. Precipitation drops to just 24 mm (1.0 in) over only 3 days, and humidity decreases to 75%. For a more detailed look at November weather, you can check Busan weather in November.

The weather in July and December presents a stark contrast in both temperature and precipitation. In July, temperatures range from a minimum of 19°C (66°F) to a maximum of 30°C (87°F), accompanied by high humidity levels of 95% and significant rainfall totaling 249 mm (9.8 in) over 13 days. In contrast, December experiences much cooler temperatures, with lows sinking to -4°C (25°F) and highs reaching only 18°C (64°F). The precipitation drops dramatically to just 25 mm (1.0 in) over 3 days, and humidity is more manageable at 73%. For more detailed information about the weather conditions during this month, check out Busan weather in December.

Compare Busan's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Busan

In July, Busan experiences a warm and humid climate, setting it apart from other months of the year. With temperatures rising to a maximum of 30°C, the city is alive with vibrant summer energy, although it also faces increased precipitation—averaging about 249 mm over 13 days. The combination of high humidity, reaching up to 95%, makes July feel particularly sultry, encouraging both locals and visitors to seek relief in the sea or shaded hideaways. For those planning a trip during this lively month, it's essential to be prepared for sudden rain showers amid the summer heat. To learn more about what to expect throughout the year, check out the complete details on Busan Climate.