July Weather in Tsushima, Japan

Last updated: August 21, 2025

In July, Tsushima, Japan experiences a vibrant tapestry of weather characterized by a maximum temperature soaring up to 38°C (101°F), with an average of 27°C (81°F) and a minimum of 20°C (67°F). This month sees considerable precipitation, totaling 384 mm (15.1 in) over approximately 23 rainy days, contributing to a notably high humidity level of 93%. Visitors can expect a warm and humid climate, perfect for embracing the lush surroundings while also preparing for frequent showers.

July Temperature in Tsushima

In July, Tsushima, Japan, transforms into a hot summer haven, with nighttime temperatures starting at a comfortable 20°C (67°F). As the sun ascends higher, the average heat rises to 27°C (81°F), making it one of the warmest months of the year. Daily highs can soar up to a scorching 38°C (101°F), inviting sun-seekers to bask in the warmth. This notable increase in temperature compared to the preceding months highlights the island's distinct seasonal shift, where the summer sun reigns supreme, creating the perfect backdrop for beach outings and outdoor adventures.

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

The chart illustrates July temperature patterns in Tsushima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tsushima, July typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec414250586773808476665545
Data source: Temperature data for Tsushima generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Tsushima

July in Tsushima, Japan, is marked by a dramatic surge in precipitation, with 384 mm (15.1 in) falling over 23 days. This significant rainfall, more than double that of the previous month, heralds the peak of the island’s rainy season, highlighting a trend of increasing moisture as summer progresses. Notably, June's total mirrored May's at 196 mm, yet July's figures reflect a sharp escalation, indicating a climate shift towards more intense and frequent rainfall during these summer months. As the island soaks up abundant water, this pattern sets the stage for vibrant greenery but also underscores the need for preparation against potential flooding and other weather-related challenges.

July Precipitation Trends in Tsushima

The chart displays monthly precipitation patterns in Tsushima, 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 Tsushima, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec52591511631961963842532252466168
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Tsushima

In July, Tsushima, Japan, experiences a remarkable surge in humidity, peaking at 93%. This month stands out as the most humid of the year, following a gradual increase from the relatively lower levels seen in the earlier months. After May's 83% and June's 87%, July's humidity highlights the peak of the summer season, where the air feels particularly heavy and sultry. This high humidity level is often accompanied by warmer temperatures, creating a tropical atmosphere that persists into August, though slightly reduced to 91%. Overall, the trend reveals that as the year progresses toward mid-summer, residents and visitors can expect a notably sticky environment, characteristic of Tsushima's vibrant climate.

July Average Humidity in Tsushima

This chart illustrates the average monthly humidity levels in Tsushima, 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 Tsushima is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Tsushima

July in Tsushima, Japan, aligns with the peak of the summer season, showcasing a UV Index of 11, which places exposure in the extreme category. This consistent level, which prevails from May through August, indicates that sun protection is essential, with a quick burn time of just 10 minutes. Following the trend from June, where the UV Index also reached 11, July's conditions reaffirm the need for vigilance against sun damage. As the summer months progress, remember to stay informed and protected. For more insights, visit Tsushima UV Index.

Maximum UV Index Levels in Tsushima for July

The chart shows the monthly maximum UV Index (UVI) for Tsushima 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 Tsushima typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Tsushima 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 Tsushima

In July, Tsushima, Japan, basks in 256 hours of sunlight, a slight dip from the vibrant warmth of June, which boasted 270 hours. This month follows a trend of ascending daylight from the start of the year, where January only offered 185 hours. The gradual increase in hours reflects the enchanting transition to summer, peaking in August with an impressive 300 hours. Visitors to Tsushima can enjoy the perfect balance of sunny days while anticipating the even sunnier days to come, as the island continues to revel in warm summer rays before the sunlight begins to retreat in September.

Monthly Sunshine Duration in Tsushima: July Highlighted

The July sunshine duration represents the total number of hours Tsushima 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.
JanFebMarAprMayJunJulAugSepOctNovDec185h231h265h276h290h270h256h300h244h234h239h223h
Data source: Tsushima July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tsushima During July

When considering the likelihood of sunny weather in July in Tsushima, Japan, it's notable that this month sees a 31% chance of sunshine. This figure reveals a modest uptick compared to the gloomier June, which plummets to just 23% sunny days. However, July still lags behind the more favorable conditions seen in the other summer months, with August and September slightly improving the forecast at 27% and 29%, respectively. Looking at the broader trends, winter months such as October (56%) and November (59%) offer clearer skies, hinting that while July can occasionally surprise with sunshine, those seeking relentless summer rays may want to temper their expectations.

Percentage of Sunny Days in July in Tsushima

The chart illustrates the percentage of sunny days in Tsushima 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 Tsushima experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%50%44%48%26%23%31%27%29%56%59%53%
Data source: Tsushima July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tsushima in July

In July, Tsushima, Japan, enjoys a splendid 14 hours of daylight, mirroring the long days of June. This peak in daylight duration marks the height of summer, where the sun's generous presence allows for abundant outdoor activities and exploration. Following this delightful month, daylight gradually starts to wane in August, with the hours tapering off to 13 hours. Observing this trend, one can appreciate how Tsushima transitions through its seasons, from the long, sunlit summer days to the shorter daylight hours that accompany autumn. Such changes create a rhythm in nature, inviting residents and visitors alike to savor each moment under the sun.

Average Daylight Hours in Tsushima for July

The chart illustrates the variation in daylight duration in Tsushima throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 3m10h 53m11h 58m13h 4m14h14h 28m14h 14m13h 25m12h 22m11h 16m10h 18m9h 48m
Data source: Tsushima daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Tsushima

In July, the wind in Tsushima, Japan takes a noticeable dip, averaging just 1.6 m/s (4 mph), making it the calmest month of the year. This gentle breeze is a stark contrast to the lively winds of spring and early summer, which typically hover around 3.0 m/s in April and May. As daylight lingers and temperatures rise, the shift to lighter winds creates a serene atmosphere, perfect for enjoying the island's stunning landscapes. Following this lull, August sees a modest increase to 2.3 m/s (5 mph), hinting at a subtle return of more dynamic weather patterns as the summer progresses. This ebb and flow of wind speeds throughout the year highlights Tsushima's unique climatic rhythms, enchanting both locals and visitors alike.

Average July Wind Speed in Tsushima

The chart displays monthly wind speed patterns in Tsushima, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.93.03.02.52.11.6 m/s2.31.72.22.22.5
Data source: Tsushima July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Tsushima Compares to Other Months

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

In July, the weather is characterized by high temperatures, with a minimum of 20°C (67°F) and an average of 27°C (81°F), reaching a scorching maximum of 38°C (101°F). Accompanied by a whopping 384 mm (15.1 in) of precipitation spread across 23 days, the humidity level is also quite high at 93%, making it feel even warmer and more oppressive.

In contrast, January brings a stark change, featuring a much cooler climate with temperatures ranging from a minimum of -5°C (23°F) to an average of 5°C (41°F) and a maximum of 18°C (64°F). The precipitation is significantly lower at 52 mm (2.0 in) over just 7 days, and while the humidity is also less at 82%, the cold can feel quite sharp in comparison to the heat of July. For more detailed information, you can check Tsushima weather in January.

In contrast to the sweltering heat of July, where temperatures soar from a minimum of 20°C (67°F) to a blistering maximum of 38°C (101°F) with high humidity levels of 93% and significant rainfall of 384 mm (15.1 in) over 23 days, February presents a much milder climate. During February, temperatures fluctuate between a minimum of -5°C (24°F) and a maximum of 22°C (71°F), averaging around 6°C (42°F). Additionally, February experiences notably lower precipitation of just 59 mm (2.3 in) over only 6 days, along with a humidity level of 79%. For a detailed look at February's climate specifics, you can check Tsushima weather in February.

When comparing the weather in July and March, significant differences emerge. July experiences a much warmer climate, with temperatures ranging from a minimum of 20°C (67°F) to a scorching maximum of 38°C (101°F), alongside high humidity levels of 93%. In contrast, March is notably cooler, with temperatures dipping as low as -1°C (30°F) and peaking at 25°C (77°F), offering an average of just 10°C (50°F). While July brings heavy rainfall, accumulating 384 mm (15.1 in) over 23 days, March sees significantly less precipitation at 151 mm (6.0 in) across 11 days. For more details, check out Tsushima weather in March.

July and April exhibit stark differences in weather patterns. In July, temperatures soar with a minimum of 20°C and an average of 27°C, reaching up to a sweltering 38°C. The month is marked by high humidity at 93% and significant rainfall, totaling 384 mm over 23 days. In contrast, April offers a much cooler climate with temperatures ranging from a minimum of -1°C to a comfortable average of 14°C, peaking at 29°C. The precipitation is considerably lower at 163 mm over just 10 days, and humidity is less oppressive at 76%. For a detailed overview of April weather in Tsushima, visit Tsushima weather in April.

When comparing the weather between July and May, it's evident that July experiences significantly warmer temperatures, with averages reaching 27°C (81°F) and highs soaring to 38°C (101°F). In contrast, May offers a milder climate, with average temperatures around 19°C (67°F) and maximums peaking at 32°C (90°F). Additionally, July is much wetter, receiving 384 mm (15.1 in) of precipitation over 23 days, while May records only 196 mm (7.7 in) across 11 days. Humidity levels are also higher in July at 93%, compared to 83% in May, contributing to a more oppressive summer atmosphere. For more details, visit Tsushima weather in May.

In comparing the weather between June and July, July tends to be significantly warmer and wetter. The average temperature rises from June's 23°C (74°F) to July's 27°C (81°F), with maximum temperatures reaching as high as 38°C (101°F). In addition, July experiences higher humidity at 93%, compared to June's 87%. Precipitation also increases, with July receiving 384 mm (15.1 in) over 23 days, contrasting with June's 196 mm (7.7 in) over 14 days. For further details about June's weather patterns, you can visit Tsushima weather in June.

July and August experience similar temperature ranges, with July averaging 27°C (81°F) and August slightly warmer at 29°C (84°F). Both months can see maximum temperatures reaching up to 38°C (101°F) and 38°C (100°F) respectively. However, July is notably wetter, with 384 mm (15.1 in) of precipitation over 23 days compared to August's 253 mm (10.0 in) over 16 days. Humidity levels remain high, with July at 93% and August slightly lower at 91%. For more detailed information, you can check Tsushima weather in August.

In July, the weather is characterized by high temperatures, with a minimum of 20°C (67°F) and an average of 27°C (81°F), peaking at a scorching 38°C (101°F). This month also experiences significant rainfall, totaling 384 mm (15.1 in) over 23 days, accompanied by high humidity levels of 93%. In contrast, September sees a notable decrease in both temperature and precipitation. With a minimum of 12°C (54°F) and an average of 25°C (76°F), the weather is more temperate, peaking at 37°C (98°F). Rainfall drops to 225 mm (8.9 in) over 16 days, and humidity levels are slightly lower at 87%. This shift makes September a more comfortable month overall. For more specific details, you can refer to Tsushima weather in September.

In July, temperatures soar with a minimum of 20°C (67°F) and an average high of 27°C (81°F), peaking at a scorching 38°C (101°F). This month experiences significant rainfall, totaling 384 mm (15.1 in) over 23 days, along with high humidity levels at 93%. In contrast, October features a much cooler climate, with temperatures ranging from a minimum of 7°C (44°F) to an average of 19°C (66°F), and a maximum of 32°C (90°F). The precipitation decreases to 246 mm (9.7 in) over just 14 days, accompanied by a lower humidity level of 85%. For more specific information on October weather, you can refer to Tsushima weather in October.

July and November present stark contrasts in weather conditions. In July, temperatures soar with a minimum of 20°C (67°F) and an average of 27°C (81°F), peaking at a sweltering 38°C (101°F). This month also sees significant rainfall, with 384 mm (15.1 in) over 23 days and high humidity at 93%. In contrast, November offers a much cooler climate, with temperatures ranging from a brisk 1°C (33°F) to a pleasant maximum of 24°C (76°F) and an average of 13°C (55°F). Rainfall is considerably reduced to 61 mm (2.4 in) over just 5 days, and humidity levels are lower at 83%. For more specific insights on November weather, you can visit Tsushima weather in November.

July and December exhibit stark contrasts in weather. In July, temperatures soar, with a minimum of 20°C (67°F) and an average of 27°C (81°F), reaching a peak of 38°C (101°F). This month is also marked by high humidity at 93% and significant precipitation, totaling 384 mm (15.1 in) over 23 days. In contrast, December experiences much colder conditions, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 20°C (68°F), and an average of just 7°C (45°F). Precipitation is minimal, at 68 mm (2.7 in) over only 7 days, and humidity is lower at 83%. For more detailed weather insights specific to December, you can visit Tsushima weather in December.

Compare Tsushima's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Tsushima

July in Tsushima stands out with its hot and humid conditions, significantly warmer than the milder months that precede it. The soaring temperatures combined with persistent humidity create a sultry atmosphere, making it one of the most notable times of the year. Rainfall is frequent, with a high number of precipitation days contributing to the overall moisture in the air. This unique blend of warm temperatures, substantial rainfall, and elevated humidity makes July a defining month in Tsushima's climate. For a deeper understanding of how these weather patterns fit into the broader climate context, visit Tsushima Climate.